Competing for
Lee's Summit High School, Brackins was a two-time
Missouri State High School Activities Association champion in the long jump and a finalist in the long and triple jump at the
2019 USATF U20 Outdoor Championships. After winning the long jump at the
2022 USA U20 Outdoor Track and Field Championships, Brackins qualified to represent the U.S. at the
2022 World Athletics U20 Championships in both the long jump and 4 × 100 m relay. Entering
the long jump with the world's leading U20 mark, Brackins placed 6th with a 7.81 m leap. Later in
the 4 × 100 m, Brackins led off the U.S. team in the heats and anchored for them in the finals to win the bronze medal behind Japan and Jamaica. Though Brackins only finished 4th in the long jump at the
2024 NCAA Indoor Championships, he improved to 2nd in the
60 m hurdles. Outdoors, Brackins qualified for
110 m hurdles and long jump finals at the
2024 NCAA Division I Outdoor Track and Field Championships, finishing 4th again and 9th respectively. He entered in the long jump at the
2024 United States Olympic trials, and led all qualifiers going in to the finals. With only top three athletes in the finals guaranteed selection to the U.S. Olympic team, Brackins jumped 8.17 m and finished 4th. ==Personal life==