| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-SP | 1 | 53-06.50 | Phelps, Nicholas (2018) (Kingsley-Pierson, IA) | Buena Vista HS Elite(MN), 2015-03-21(#1) |
| B-SP | 2 | 52-11.25 | Peterson, Tommy (2015) (Washington, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#1) |
| B-SP | 2 | 52-11.25 | Schlenker, Cole (2016) (Bondurant-Farrar, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#2) |
| B-SP | 4 | 52-10.50 | Kirkpatrick, Coy (2017) (Madrid, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#3) |
| B-SP | 5 | 51-08.50 | Verdon, Kyle (2015) (Davenport West, IA) | Tri-State Invitational(WI), 2015-03-21(#1) |
| B-SP | 6 | 51-05.25 | Girard, Patrick (2015) (Baxter, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#4) |
| B-SP | 7 | 51-05.00 | Scott-Brown, Jackson (2015) (St. Albert, IA) | Norm Herren Invite(SD), 2015-03-21(#-1) |
| B-SP | 8 | 50-03.00 | Teague, Joe (2015) (Algona, IA) | Buena Vista HS Elite(MN), 2015-03-21(#2) |
| B-SP | 9 | 50-01.00 | Applegate, Hezekiah (2015) (Johnston, IA) | Wartburg Co-Ed Invitational(IA), 2015-03-03(#1) |
| B-SP | 10 | 49-06.25 | Nelson, Erik (2015) (Waukee, IA) | Wartburg Co-Ed Invitational(IA), 2015-03-03(#2) |
| B-SP | 11 | 49-04.75 | Jones, Marquise (Cedar Falls, IA) | Wartburg Co-Ed Invitational(IA), 2015-03-03(#3) |
| B-SP | 12 | 49-01.25 | Brady, Marcus (Panorama, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#6) |
| B-SP | 13 | 49-00.75 | Winters, Nathan (2015) (Knoxville, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#7) |
| B-SP | 14 | 48-03.50 | Holtzbauer, Michael (2015) (Ames, IA) | Wartburg Co-Ed Invitational(IA), 2015-03-03(#4) |
| B-SP | 15 | 48-02.75 | Sander, Noah (2015) (North Cedar, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#8) |
| B-SP | 16 | 48-01.00 | Krantz, Brandon (2016) (Waukee, IA) | Wartburg Co-Ed Invitational(IA), 2015-03-03(#5) |
| B-SP | 17 | 47-11.50 | Naba, Bedale (West Des Moines Valley, IA) | Iowa State Boys HS Classic(IA), 2015-03-17(#10) |
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| | | See more performances for B-SP | | |
