| Competition | Time | Venue | Date | Age | Place | |
|---|---|---|---|---|---|---|
| United States Championships | 54.37s | New York | 26 Jul 2026 | 31 | 3 | View race |
| College Station Meeting | 54.15s | College Station | 06 Jun 2026 | 31 | 3 | View race |
| World Championships | 52.80s | Budapest | 24 Aug 2023 | 28 | 2 | View race |
| Diamond League | 53.76s | Londres | 23 Jul 2023 | 28 | 3 | View race |
| Diamond League | PB52.39s | Stockholm | 04 Jul 2021 | 26 | 2 | View race |
Average intervals computed over 5 races
The best theoretical time, built by summing the fastest intervals.
Shamier Little (31 years old, United States) is an athlete who specialises in the 400 metres hurdles, born on 20 March 1995.
With a personal best of 52.39 seconds, Shamier has run 5 analysed races on 4h/world.
Their preferred race plan is a 15-stride start up to hurdle 8, then a 16-stride finish.
Based on their best recorded intervals, Shamier's theoretical potential is estimated at 51.78 seconds, a 0.61-second margin over their current personal best.