| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 48.12 | Webb, Jonathan (2015) (Minnehaha Acad, MN) | MN 1A State Meet(MN), 2015-06-06(#1) |
| | | National Elites above. State Elites below | | |
| B-400 | 2 | 48.26 | Norton, Leron (2015) (Eastview, MN) | MN 2A State Meet(MN), 2015-06-06(#1) |
| B-400 | 3 | 48.65 | Tracy, Josh (2015) (St. Michael-Albertville, MN) | MN 2A State Meet(MN), 2015-06-06(#2) |
| B-400 | 4 | 48.80 | Wolke, Ryan (2015) (Belle Plaine, MN) | MN 1A State Meet(MN), 2015-06-06(#3) |
| B-400 | 5 | 48.81 | Kelner, Alex (2015) (Irondale, MN) | MN 2A State Meet(MN), 2015-06-06(#3) |
| B-400 | 6 | 48.86 | Didier, Tyler (2016) (Wayzata, MN) | MN 2A State Meet(MN), 2015-06-06(#3) |
| B-400 | 7 | 48.91 | Schuster, John (2015) (United South Central, MN) | MN Section 2A Championships(MN), 2015-05-30(#1) |
| B-400 | 8 | 49.15 | Sirleaf, Akeem (2015) (North St. Paul, MN) | True Team Section 6AAA(MN), 2015-05-05(#1) |
| B-400 | 9 | 49.23 | Groven, Kyle (2016) (Pine Island, MN) | MN 1A State Meet(MN), 2015-06-06(#2) |
| B-400 | 10 | 49.28 | Hofmann, Zack (2015) (Staples-Motley, MN) | MN 1A State Meet(MN), 2015-06-06(#5) |
| B-400 | 11 | 49.30 | Roomes, Roshon (2015) (Woodbury, MN) | USATF JO Region 8 Qualifier(IA), 2015-07-12(#2) |
| B-400 | 12 | 49.43 | Supinski, David (2015) (Brainerd, MN) | MN 2A State Meet(MN), 2015-06-06(#5) |
| B-400 | 13 | 49.52 | Stevens, Eli (2016) (Pipestone, MN) | MN 1A State Meet(MN), 2015-06-06(#6) |
| B-400 | 14 | 49.68 | Day, Stephon (2016) (Simley, MN) | MN Section 3AA Championships(MN), 2015-05-28(#2) |
| B-400 | 15 | 49.76 | Ogren, Tanner (2015) (New Ulm, MN) | MN 2A State Meet(MN), 2015-06-06(#6) |
| B-400 | 15 | 49.76 | Jackson, Keylan (00) (Unattached, MN) | AAU Junior Olympics National Championships 15-16(VA), 2015-08-08(#10) |
| B-400 | 17 | 49.96 | Streit, Dakota (2015) (Rochester Lourdes, MN) | Chuck Ramthun Invitational(MN), 2015-04-30(#2) |
| B-400 | 17 | 49.96 | Sharif, Mohamed (2015) (Washburn, MN) | MN 2A State Meet(MN), 2015-06-06(#7) |
| B-400 | 19 | 50.00 | Wiechman, Seth (2015) (Minnesota Valley Lutheran, MN) | MN Section 2A Championships(MN), 2015-05-30(#3) |
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| | | See more performances for B-400 | | |
