April 22-25, 2026
Drake Stadium
- Des Moines, IA
4x100 Relay Finals
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| PL | TEAM | SQUAD | ATHLETES | TIME | TIME | TIME | TIME | TIME | SC |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Dowling Cath | A | Nolan Strang, Jeffrey Roberts, Beau Williams | 41.34 | 40.93 | 33.90 | 33.49 | 42.58 | 10 |
| 2 | Prairie, CR | A | Ryland Cooling, Magnus Kpahn | 41.46 | 31.10 | 38.98 | 36.07 | 47.27 | 8 |
| 3 | Gilbert | A | Paul Marpe, Gabe Fierce | 41.46 | 29.44 | 36.90 | 36.90 | 45.20 | 6 |
| 4 | Johnston | A | Steve Tour, Bryce Beachem | 41.53 | 29.07 | 31.15 | 51.09 | 50.67 | 5 |
| 5 | Waukee NW | A | Logan Bosworth, Isaiah Oliver, Griffin Ludwig | 41.81 | 33.45 | 43.07 | 37.63 | 40.14 | 4 |
| 6 | CR Jefferson | A | Tyree Turner, Jermaine Robinson, Harald Batige | 41.82 | 45.17 | 30.95 | 41.82 | 51.86 | 3 |
| 7 | Norwalk | A | Xavier Bush, Ethan Winslow | 42.18 | 46.40 | 48.93 | 42.61 | 39.65 | 2 |
| 8 | CR Kennedy | A | Lincoln Levendusky, Dawson Dougherty, Louis Smith | 42.32 | 55.02 | 45.29 | 30.05 | 36.40 | 1 |
4x100 Relay Preliminaries
Top↑
| PL | TEAM | SQUAD | ATHLETES | TIME | TIME |
|---|---|---|---|---|---|
| 1 | Dowling Cath | A | Nolan Strang, Jeffrey Roberts, Beau Williams | 46.94 | 41.54 |
| 2 | Gilbert | A | Paul Marpe, Gabe Fierce | 40.09 | 41.76 |
| 3 | Johnston | A | Steve Tour, Bryce Beachem | 50.32 | 41.93 |
| 4 | Prairie, CR | A | Ryland Cooling, Magnus Kpahn | 34.00 | 41.97 |
| 5 | CR Kennedy | A | Lincoln Levendusky, Dawson Dougherty, Louis Smith | 42.10 | 42.10 |
| 6 | Waukee NW | A | Logan Bosworth, Isaiah Oliver, Griffin Ludwig | 31.28 | 42.26 |
| 7 | CR Jefferson | A | Tyree Turner, Jermaine Robinson, Harald Batige | 52.93 | 42.34 |
| 8 | Norwalk | A | Xavier Bush, Ethan Winslow | 36.52 | 42.46 |
| 9 | Central DeWitt | A | Sam Pfeifle, Michael Palmer, Jonathan Garrison | 40.34 | 42.46 |
| 10 | Epworth, WD | A | Bradley Brosius, Drew Bergfeld, Ben Wernimont, John FitzPatrick | 32.29 | 42.48 |
| 11 | Treynor | A | Drew Myers, Riley Lauver, Keatyn Dirks | 42.91 | 42.48 |
| 12 | Ankeny Cent | A | James Naert, Heisman Dickinson, Kyler Jones, James Cole | 32.78 | 42.57 |
| 13 | Cedar Falls | A | Ian Fuchtman, Luke Terwilliger, Jeremiah Tamayo-Lopez, Carsen Gary | 37.96 | 42.65 |
| 14 | Mid-Prairie, W | A | Oliver Miller, Nolan Jergens, Kendrick Kos | 43.52 | 42.66 |
| 15 | Valley, WDM | A | Trent Grevengoed, Blake Dorenkamp | 35.93 | 42.77 |
| 16 | Waverly-SR | A | Marquis Olson | 51.79 | 42.80 |
| 17 | Waukee | A | Ben Case Haub, Harrison Allen, Noah Hinrichs | 35.58 | 42.86 |
| 18 | Pleasant Valley | A | Cordell Hatcher, Zach Zuiderveen, Tripp Barclay, Elijah Bolaji | 38.60 | 42.88 |
| 19 | SB-Luton | A | Beckett Verros, Justin Ehlers, Gavin Warren, Joe Hardy | 44.63 | 42.91 |
| 20 | Pella | A | Harry Tallman | 53.36 | 43.03 |
| 21 | DUB Hempstead | A | Hayden Harper, Jaylen Hodgson, Robert Ivy, Jaden Montgomery | 48.65 | 43.05 |
| 22 | DC-Grimes | A | Ethan Carlson, Chase Heitland, Osborn Grimm, Sam Keller | 49.57 | 43.10 |
| 23 | Ankeny | A | Owen Fischer, Cooper McDowell, Treyton Grossman | 48.28 | 43.10 |
| 24 | Grinnell | A | Diallo Perkins, Josh Ringler, Eli Mahoney | 42.25 | 43.11 |
| 25 | Clarinda | A | Nolan Wagoner, Cohen Phillips, Kaiden Roop | 32.37 | 43.15 |
| 26 | Pella Christian | A | Landon Nunnikhoven, Brecken Ritzert, Ezra Ochsner | 42.34 | 43.20 |
| 27 | New London | A | Brigham Porter, Cale Westerbeck, Gavin Strawhacker | 52.29 | 43.21 |
| 28 | Winterset | A | Coen Binns, Jace Bellamy, Jude Gurwell | 48.85 | 43.23 |
| 29 | MOC-FV | A | Dylan Maasdam, Dalton Koerselman, Hudson Kleinhesselink | 38.06 | 43.24 |
| 30 | Roland-Story | A | Brody Kilstofte, Cooper Triggs, Cody Long, Tristen Crabbs | 47.58 | 43.25 |
| 31 | IC, West | A | Kellen Craig, Abdul Hodge | 38.07 | 43.26 |
| 32 | North Polk | A | Parker Chrisco, Connor Blake, Dylan Twedt, Aidan Rademacher | 53.67 | 43.28 |
| 33 | West Branch | A | Arik Marsh, Keaton Gates, Nolan Staker, Brandon Pedersen | 46.85 | 43.38 |
| 34 | DSM Christian | A | Davis Tokheim, Oliver Grice, Colin Gibson, Malachi Osborne | 41.66 | 43.39 |
| 35 | ADM, Adel | A | Owen Rychnovsky, Parker Hook, Brayden Davison, Jackson Pitzen | 54.69 | 43.40 |
| 36 | Columbus, CJ | A | Djamar Exantus, Domonic Garcia | 47.34 | 43.43 |
| 37 | Lewis Central | A | Braxton Parks, Jimmy Scott, Braydan Doss, Peyton Phippen | 54.78 | 43.47 |
| 38 | Decorah | A | Landon Quandahl, Peyton Webb, Trevor Kuennen, Davis Walter | 37.82 | 43.47 |
| 39 | Wahlert, Dub | A | Henry Thier, Matthew Winter, Josh Oelke, Ben Francis | 46.95 | 43.47 |
| 40 | DVPT, Central | A | Markey Glenn, Braxton Helstrom, Alex Ingram, Hezekiah Talafiero | 44.35 | 43.48 |
| 41 | Ames | A | Luke Simmons, Drew Vander Wilt, Kayden Willoughby-Wright, Elijah Deardorff | 43.05 | 43.48 |
| 42 | Keokuk | A | Kurt Joy, Jackson Bair, Antonio Crockett | 52.63 | 43.49 |
| 43 | Williamsburg | A | Bowen Stratton, Cash Brown, Grady Wetjen | 52.20 | 43.50 |
| 44 | Algona | A | Walker Levi | 54.85 | 43.53 |
| 45 | Pekin | A | Aliyas Brock, Alijah Brock, Riley Smith, Nolan Glick | 42.25 | 43.55 |
| 46 | Woodbine | A | Braden Barry, Micah Moores, Dillon Reed, Landon Blum | 34.42 | 43.57 |
| 47 | Spirit Lake | A | Ty Higgins, Kyler Hagedorn, Max Barthman | 43.57 | 43.57 |
| 48 | North Scott | A | Dylan Kelsey, Evan Kuhn, Sam Dickman, Ryan Block | 53.61 | 43.58 |
| 49 | Crestwood | A | Lux Smith, Nathan Mahr, Alex Loden, Finnegan Donlan | 32.71 | 43.61 |
| 50 | Newton | A | Nick Thomason, Dawson Maki, Ali Yahia, Josh Lampe | 43.62 | 43.62 |
| 51 | Urbandale | A | Brayden Landrith, Noah Santizo | 32.75 | 43.66 |
| 52 | Clear Crk-Amana | A | Brady Hilsman, Colter Austin, Adam Zeman | 39.33 | 43.69 |
| 53 | W Burlington | A | Maddox Diewold, Kellan Porter, Eli Oleson | 41.09 | 43.71 |
| 54 | Lawton-Bronson | A | Owen Brouwer, Connor Clausen, Silas Brown | 37.17 | 43.72 |
| 55 | Atlantic | A | Dominic Elings, Colin Rudy, Zander Killion | 47.68 | 43.74 |
| 56 | Fort Dodge | A | Sam Moser, Taevon Feeley, Kyree Rochon, Noah Daniel | 40.26 | 43.76 |
| 57 | WAT East | A | Jailen Coleman, Josiahs Spates, Kayden Lenderman, Mason Eison | 32.85 | 43.79 |
| 58 | Glenwood | A | Tristan Ludwig, Shain Pratt, Haze Stephens | 41.17 | 43.79 |
| 59 | Mediapolis | A | Will Luttenegger, Brock Spears, Kyler Crow, Henry Luttenegger | 30.66 | 43.80 |
| 60 | DSM, Roosevelt | A | Blake Scott, Evan Wold, Nicolas Lockett, Khamari Tillman | 30.68 | 43.82 |
| 61 | DUB Senior | A | Mason Birch, Charles Crow, Khamari Williams, Kael Stickley | 37.28 | 43.85 |
| 62 | Jesup | A | Tyce Larson, Abe Sullivan, Aiden Youngblut, Drew Munson | 43.90 | 43.90 |
| 63 | Ogden | A | Jude Klith, Brayden Miller, Treyton Mitchell, Jackson Klith | 37.76 | 43.90 |
| 64 | Linn-Mar | A | Harrison Schuett, Derek Roling, Andrew Castor, Kushal Vanavasam | 44.79 | 43.91 |
| 65 | Benton Comm | A | Evan Martin, Sawyer Rudie, Brody Timmerman, Carson Nolan | 50.95 | 43.92 |
| 66 | Bond-Farrar | A | Aidan Sunderman, Drew Farver, Carson Sirdoreus, Andrew Kurtz | 45.68 | 43.92 |
| 67 | Southeast Valley | A | Casey Hanson, Logan Jaeschke, Kayden Showers | 55.81 | 43.94 |
| 68 | Greene County | A | Jaron Jacobs, Lincoln Schwander, Aden Bardole, Zack Stalder | 50.55 | 43.95 |
| 69 | Cascade | A | Brody Otting, Tate Hosch, Tanner Topping | 55.85 | 43.97 |
| 70 | Ballard | A | Liam Hurst, Aidan Wilson | 31.66 | 43.97 |
| 71 | Riverside, Oak | A | Cole Jeppesen, Paden Schechinger, Keegan Smith | 43.63 | 44.07 |
| 72 | Perry | A | Rylan Modlin, Bryan Chavez, Xavier Leake, Michael Bahtagic | 43.65 | 44.09 |
| 73 | Bettendorf | A | Billy Miller, Amos Spector, Caleb Brown | 38.81 | 44.10 |
| 74 | Mason City | A | Drayden Witt, Andrew Fingalsen, Jameer Falls | 48.12 | 44.14 |
| 75 | Garner-Hay/Vent | A | Chance Derr, Ryan Englin, Preston Davison, Demascus Ealey JR | 43.70 | 44.14 |
| 76 | Carlisle | A | Jakson Hoversten, C.J. Haug, Isaac Burk, Hayden Schulte | 46.80 | 44.15 |
| 77 | Carroll | A | Treyvin Childress, Camden King, Landon Mrla | 56.96 | 44.15 |
| 78 | Underwood | A | August Stange, Charlie Myers, Jackson Hughes, River Allen | 38.02 | 44.20 |
| 79 | Fairfield | A | Dayson Workman, Voss Richardson, Ethan Bisgard, Spencer McCready | 55.32 | 44.25 |
| 80 | Sioux Center | A | Hunter Smith, Sawyer Hietbrink | 54.46 | 44.27 |
| 81 | SC, West | A | Tavin Irvine, Tramell Topete, Jometh Montanez Maldonado, Day'Juon Staten | 53.16 | 44.30 |
| 82 | Dike-NH | A | Jacob Burch, Quinn Mills, Aiden Walston, Aiden Meester | 42.55 | 44.32 |
| 83 | Aplntn-Parksbg | A | Maddox Kruger, Sully Janssen, Owen Pruisner, Mason Pruisner | 40.44 | 44.43 |
| 84 | Hudson | A | Hunter Coulson, Drake Griffin, Jackson Nesteby, Owen Bell | 48.68 | 44.66 |
| 85 | Muscatine | A | Sam Roeth, Adrian Gonpue, Dashael Wiseman, Brendan Holladay | 55.16 | 44.84 |
| 86 | IKM-Manning | A | Davis Rasmussen, Zach Solberg, Brennen Morris, Ashton Ahrenholtz | 40.99 | 45.04 |
| 87 | Nevada | A | Peter Ludwig, Cedar Smith, Carson Clem, Simon Mills | 36.58 | 45.15 |
| 88 | SC, East | A | Christopher Loggins lll, Tanner Boonstra | 48.46 | 47.98 |
| Solon | A | Jackson Burk, Sawyer Hancox, Eli Kampman, Einar Stecher | DQ | DQ | |
| IC, Liberty | A | Jackson Burnes, Leo Rozz, Adrian Clerry, Cale Baldwin | FS | FS | |
| Marion | A | Gideon Hansen, Colton Neal, Nathan Usher, Matthew Danninger | DQ | DQ | |
| Bishop Heelan | A | Kasen Thomas, Israel Beltran | DNS | DNS | |
| Grundy Center | A | Pete Lebo, Judd Jirovsky, Hayden Geerdes | DQ | DQ | |
| SE Polk | A | Josh Ehrich, Fredrick Tarasid-Tarawally, Drew Thompson | DQ | DQ | |
| Clear Lake | A | Isaac Smith, Sam Dodge, Maddon McIntire | DNF | DNF | |
| Indianola | A | Max Walljasper, Nick Bradley, Asher Brueck, Rylan Hilton | DQ | DQ |
4x100 Relay Preliminaries Heat 1
| PL | TEAM | ATHLETES | TIME |
|---|---|---|---|
| 43 | Williamsburg | Stratton, Brown, Wetjen | 43.50 |
| 46 | Woodbine | Barry, Moores, Reed, Blum | 43.57 |
| 50 | Newton | Thomason, Maki, Yahia, Lampe | 43.62 |
| 70 | Ballard | Hurst, Wilson | 43.97 |
| 72 | Perry | Modlin, Chavez, Leake, Bahtagic | 44.09 |
| 77 | Carroll | Childress, King, Mrla | 44.15 |
| 84 | Hudson | Coulson, Griffin, Nesteby, Bell | 44.66 |
| Solon | Burk, Hancox, Kampman, Stecher | DQ |
4x100 Relay Preliminaries Heat 2
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|---|---|---|
| 31 | IC, West | Craig, Hodge | 45.43 | 35.91 | 49.75 | 36.34 | 53.65 | 44.99 | 43.26 |
| 53 | W Burlington | Diewold, Porter, Oleson | 53.33 | 44.59 | 31.48 | 56.83 | 53.77 | 49.40 | 43.71 |
| 55 | Atlantic | Elings, Rudy, Killion | 46.37 | 45.06 | 40.24 | 36.31 | 33.68 | 56.43 | 43.74 |
| 63 | Ogden | Klith, Miller, Mitchell, Klith | 48.73 | 55.32 | 41.71 | 45.66 | 54.88 | 38.64 | 43.90 |
| 65 | Benton Comm | Martin, Rudie, Timmerman, Nolan | 35.58 | 41.29 | 52.27 | 41.73 | 30.75 | 53.59 | 43.92 |
| 86 | IKM-Manning | Rasmussen, Solberg, Morris, Ahrenholtz | 48.65 | 57.20 | 47.75 | 52.70 | 53.60 | 43.24 | 45.04 |
| IC, Liberty | Burnes, Rozz, Clerry, Baldwin | FS | FS | FS | FS | FS | FS | FS | |
| Marion | Hansen, Neal, Usher, Danninger | DQ | DQ | DQ | DQ | DQ | DQ | DQ |
4x100 Relay Preliminaries Heat 3
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|---|---|---|
| 16 | Waverly-SR | Olson | 31.68 | 49.22 | 43.66 | 34.24 | 45.37 | 42.80 | 38.52 |
| 62 | Jesup | Larson, Sullivan, Youngblut, Munson | 54.88 | 36.00 | 31.61 | 35.56 | 31.61 | 43.90 | 43.90 |
| 66 | Bond-Farrar | Sunderman, Farver, Sirdoreus, Kurtz | 38.21 | 47.88 | 39.09 | 47.88 | 47.88 | 43.92 | 32.50 |
| 68 | Greene County | Jacobs, Schwander, Bardole, Stalder | 42.20 | 45.71 | 52.74 | 47.91 | 36.92 | 43.95 | 35.60 |
| 69 | Cascade | Otting, Hosch, Topping | 56.73 | 40.90 | 35.18 | 53.21 | 41.78 | 43.97 | 40.46 |
| 74 | Mason City | Witt, Fingalsen, Falls | 56.06 | 56.94 | 31.34 | 51.65 | 36.64 | 44.14 | 54.74 |
| 79 | Fairfield | Workman, Richardson, Bisgard, McCready | 38.50 | 57.53 | 33.19 | 46.47 | 53.99 | 44.25 | 41.60 |
| 80 | Sioux Center | Smith, Hietbrink | 32.76 | 48.70 | 52.24 | 31.44 | 32.76 | 44.27 | 42.95 |
4x100 Relay Preliminaries Heat 4
| PL | TEAM | ATHLETES | TIME | TIME | TIME |
|---|---|---|---|---|---|
| 45 | Pekin | Brock, Brock, Smith, Glick | 48.78 | 43.55 | 30.49 |
| 56 | Fort Dodge | Moser, Feeley, Rochon, Daniel | 42.89 | 43.76 | 37.64 |
| 61 | DUB Senior | Birch, Crow, Williams, Stickley | 46.05 | 43.85 | 47.80 |
| 64 | Linn-Mar | Schuett, Roling, Castor, Vanavasam | 54.89 | 43.91 | 41.28 |
| 71 | Riverside, Oak | Jeppesen, Schechinger, Smith | 55.53 | 44.07 | 30.85 |
| 78 | Underwood | Stange, Myers, Hughes, Allen | 36.25 | 44.20 | 32.71 |
| 81 | SC, West | Irvine, Topete, Montanez Maldonado, Staten | 35.44 | 44.30 | 41.20 |
| 82 | Dike-NH | Burch, Mills, Walston, Meester | 53.19 | 44.32 | 49.64 |
4x100 Relay Preliminaries Heat 5
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|---|
| 21 | DUB Hempstead | Harper, Hodgson, Ivy, Montgomery | 31.00 | 49.94 | 43.05 | 46.07 | 36.60 |
| 30 | Roland-Story | Kilstofte, Triggs, Long, Crabbs | 33.74 | 39.79 | 43.25 | 47.15 | 48.44 |
| 33 | West Branch | Marsh, Gates, Staker, Pedersen | 44.25 | 53.36 | 43.38 | 30.80 | 42.52 |
| 40 | DVPT, Central | Glenn, Helstrom, Ingram, Talafiero | 56.09 | 48.70 | 43.48 | 46.53 | 50.44 |
| 41 | Ames | Simmons, Vander Wilt, Willoughby-Wright, Deardorff | 53.92 | 37.83 | 43.48 | 43.05 | 49.14 |
| 54 | Lawton-Bronson | Brouwer, Clausen, Brown | 43.72 | 51.16 | 43.72 | 36.73 | 48.53 |
| 60 | DSM, Roosevelt | Scott, Wold, Lockett, Tillman | 41.19 | 34.18 | 43.82 | 42.51 | 42.07 |
| Bishop Heelan | Thomas, Beltran | DNS | DNS | DNS | DNS | DNS |
4x100 Relay Preliminaries Heat 6
| PL | TEAM | ATHLETES | TIME |
|---|---|---|---|
| 25 | Clarinda | Wagoner, Phillips, Roop | 43.15 |
| 36 | Columbus, CJ | Exantus, Garcia | 43.43 |
| 52 | Clear Crk-Amana | Hilsman, Austin, Zeman | 43.69 |
| 59 | Mediapolis | Luttenegger, Spears, Crow, Luttenegger | 43.80 |
| 67 | Southeast Valley | Hanson, Jaeschke, Showers | 43.94 |
| 75 | Garner-Hay/Vent | Derr, Englin, Davison, Ealey JR | 44.14 |
| 76 | Carlisle | Hoversten, Haug, Burk, Schulte | 44.15 |
| 83 | Aplntn-Parksbg | Kruger, Janssen, Pruisner, Pruisner | 44.43 |
4x100 Relay Preliminaries Heat 7
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|
| 29 | MOC-FV | Maasdam, Koerselman, Kleinhesselink | 35.89 | 32.00 | 43.24 | 38.92 |
| 38 | Decorah | Quandahl, Webb, Kuennen, Walter | 49.56 | 54.34 | 43.47 | 53.47 |
| 47 | Spirit Lake | Higgins, Hagedorn, Barthman | 47.06 | 50.11 | 43.57 | 48.37 |
| 48 | North Scott | Kelsey, Kuhn, Dickman, Block | 54.91 | 46.63 | 43.58 | 44.02 |
| 57 | WAT East | Coleman, Spates, Lenderman, Eison | 42.92 | 47.30 | 43.79 | 45.11 |
| 85 | Muscatine | Roeth, Gonpue, Wiseman, Holladay | 33.19 | 53.36 | 44.84 | 57.40 |
| 87 | Nevada | Ludwig, Smith, Clem, Mills | 48.31 | 50.57 | 45.15 | 47.41 |
| Grundy Center | Lebo, Jirovsky, Geerdes | DQ | DQ | DQ | DQ |
4x100 Relay Preliminaries Heat 8
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|---|
| 9 | Central DeWitt | Pfeifle, Palmer, Garrison | 44.59 | 30.15 | 33.12 | 45.86 | 42.46 |
| 18 | Pleasant Valley | Hatcher, Zuiderveen, Barclay, Bolaji | 41.60 | 39.02 | 48.89 | 45.03 | 42.88 |
| 22 | DC-Grimes | Carlson, Heitland, Grimm, Keller | 30.61 | 33.62 | 49.14 | 37.50 | 43.10 |
| 27 | New London | Porter, Westerbeck, Strawhacker | 41.92 | 31.12 | 37.60 | 34.57 | 43.21 |
| 32 | North Polk | Chrisco, Blake, Twedt, Rademacher | 52.37 | 38.52 | 38.52 | 34.63 | 43.28 |
| 34 | DSM Christian | Tokheim, Grice, Gibson, Osborne | 52.07 | 54.68 | 30.38 | 42.96 | 43.39 |
| 37 | Lewis Central | Parks, Scott, Doss, Phippen | 34.78 | 34.35 | 42.17 | 51.30 | 43.47 |
| 39 | Wahlert, Dub | Thier, Winter, Oelke, Francis | 32.61 | 54.34 | 38.26 | 46.08 | 43.47 |
4x100 Relay Preliminaries Heat 9
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|---|---|
| 8 | Norwalk | Bush, Winslow | 42.04 | 47.98 | 53.93 | 52.65 | 36.10 | 42.46 |
| 13 | Cedar Falls | Fuchtman, Terwilliger, Tamayo-Lopez, Gary | 43.93 | 38.82 | 49.05 | 50.76 | 35.83 | 42.65 |
| 20 | Pella | Tallman | 30.13 | 30.13 | 47.77 | 43.89 | 30.56 | 43.03 |
| 26 | Pella Christian | Nunnikhoven, Ritzert, Ochsner | 33.70 | 35.00 | 53.57 | 54.87 | 33.70 | 43.20 |
| 28 | Winterset | Binns, Bellamy, Gurwell | 55.77 | 53.61 | 37.18 | 54.91 | 47.56 | 43.23 |
| 35 | ADM, Adel | Rychnovsky, Hook, Davison, Pitzen | 38.20 | 45.57 | 55.56 | 34.29 | 30.82 | 43.40 |
| 49 | Crestwood | Smith, Mahr, Loden, Donlan | 44.92 | 53.64 | 51.90 | 49.72 | 47.10 | 43.61 |
| 51 | Urbandale | Landrith, Santizo | 44.97 | 52.40 | 34.50 | 39.30 | 44.97 | 43.66 |
4x100 Relay Preliminaries Heat 10
| PL | TEAM | ATHLETES | TIME |
|---|---|---|---|
| 2 | Gilbert | Marpe, Fierce | 41.76 |
| 3 | Johnston | Tour, Beachem | 41.93 |
| 4 | Prairie, CR | Cooling, Kpahn | 41.97 |
| 6 | Waukee NW | Bosworth, Oliver, Ludwig | 42.26 |
| 7 | CR Jefferson | Turner, Robinson, Batige | 42.34 |
| 11 | Treynor | Myers, Lauver, Dirks | 42.48 |
| 12 | Ankeny Cent | Naert, Dickinson, Jones, Cole | 42.57 |
| 58 | Glenwood | Ludwig, Pratt, Stephens | 43.79 |
4x100 Relay Preliminaries Heat 11
| PL | TEAM | ATHLETES | TIME | TIME |
|---|---|---|---|---|
| 10 | Epworth, WD | Brosius, Bergfeld, Wernimont, FitzPatrick | 42.48 | 43.33 |
| 15 | Valley, WDM | Grevengoed, Dorenkamp | 42.77 | 30.37 |
| 19 | SB-Luton | Verros, Ehlers, Warren, Hardy | 42.91 | 36.05 |
| 23 | Ankeny | Fischer, McDowell, Grossman | 43.10 | 50.86 |
| 24 | Grinnell | Perkins, Ringler, Mahoney | 43.11 | 45.70 |
| 44 | Algona | Levi | 43.53 | 35.26 |
| SE Polk | Ehrich, Tarasid-Tarawally, Thompson | DQ | DQ | |
| Clear Lake | Smith, Dodge, McIntire | DNF | DNF |
4x100 Relay Preliminaries Heat 12
| PL | TEAM | ATHLETES | TIME | TIME | TIME | TIME | TIME | TIME |
|---|---|---|---|---|---|---|---|---|
| 1 | Dowling Cath | Strang, Roberts, Williams | 49.44 | 37.81 | 34.90 | 49.44 | 33.24 | 41.54 |
| 5 | CR Kennedy | Levendusky, Dougherty, Smith | 47.58 | 53.05 | 45.05 | 44.21 | 32.84 | 42.10 |
| 14 | Mid-Prairie, W | Miller, Jergens, Kos | 31.57 | 55.46 | 38.40 | 49.06 | 36.26 | 42.66 |
| 17 | Waukee | Case Haub, Allen, Hinrichs | 54.44 | 37.72 | 41.15 | 54.86 | 44.15 | 42.86 |
| 42 | Keokuk | Joy, Bair, Crockett | 49.15 | 45.23 | 49.58 | 36.54 | 46.54 | 43.49 |
| 73 | Bettendorf | Miller, Spector, Brown | 54.25 | 46.31 | 43.66 | 46.75 | 52.04 | 44.10 |
| 88 | SC, East | Loggins lll, Boonstra | 55.18 | 58.06 | 39.35 | 44.15 | 39.83 | 47.98 |
| Indianola | Walljasper, Bradley, Brueck, Hilton | DQ | DQ | DQ | DQ | DQ | DQ |