| Competition | Time | Venue | Date | Age | Place | |
|---|---|---|---|---|---|---|
| Diamond League | 53.16s | Zürich | 27 Aug 2026 | 36 | 2 | View race |
| World Championships | 53.44s | Eugene | 22 Jul 2022 | 32 | 2 | View race |
| Olympic Games | PB51.58s | Tokyo | 04 Aug 2021 | 31 | 2 | View race |
| World Championships | 52.16s | Doha | 04 Oct 2019 | 29 | 1 | View race |
| World Championships | 53.50s | Londres | 10 Aug 2017 | 27 | 2 | View race |
| Olympic Games | 53.13s | Rio de Janeiro | 18 Aug 2016 | 26 | 1 | View race |
| United States Championships | 52.88s | Eugene | 10 Jul 2016 | 26 | 1 | View race |
| World Championships | 54.09s | Moscou | 15 Aug 2013 | 23 | 2 | View race |
Average intervals computed over 8 races
The best theoretical time, built by summing the fastest intervals.
Dalilah Muhammad (36 years old, United States) is an athlete who specialises in the 400 metres hurdles, born on 7 February 1990.
With a personal best of 51.58 seconds, Dalilah has run 8 analysed races on 4h/world, improving by 2.51 seconds since their first recorded race.
Their preferred race plan is a 15-stride start up to hurdle 8, then a 16-stride finish.
Based on their best recorded intervals, Dalilah's theoretical potential is estimated at 51.42 seconds, a 0.16-second margin over their current personal best.