Strong & Fast

400 m run percentile

Speed endurance. Enter your time for an estimated comparison.

1 Your profile

Age and bodyweight are required. Height improves the grip-strength estimate.

Sex
Units

2 Your tests

0 recorded

Enter what you know. Gray numbers are examples; leave untested fields blank.

EnduranceAerobic fitness and speed endurance

What this adds to your battery

The 400 m run adds speed endurance, with both aerobic and anaerobic contributions. Keep the 1.5-mile run for longer-duration aerobic performance; a 400 m time does not replace it.

How to test

Run one measured 400 m on a standard outdoor track: one lap in lane 1, or the correct staggered start for your lane. For a time trial, use a standing start and time first movement to torso crossing the finish. Record one fresh effort, on a separate day from the mile or 1.5-mile test. Time your runs the same way when you retest.

Enter your time directly. For useful progress comparisons, keep the distance and timing method consistent when you retest.

How the estimate works

Estimated population percentiles cover men ages 18–59 and women ages 18–49 and count toward Endurance. D1 percentiles remain unavailable: the available race data describes selected 400 m specialists.

Estimated from sex- and age-specific law-enforcement 300 m reference tables, converted to 400 m with a 1.42× factor from a paired-distance study of 12 men. This is a proxy for adults, not a representative population survey. Applying the factor to women and slower runners, and the 20–29 table to ages 18–19, are modeling assumptions. No body-size adjustment.

The 300-to-400 m factor is (400/300) × (7.38/6.93) ≈ 1.42, based on the study’s continuous-run mean speeds. It is a ratio of group means, not a fitted individual prediction equation. The source age tables start at 20; we apply the youngest table to ages 18–19. We interpolate between supported age groups and leave older ages blank. Law-enforcement selection and applying the male conversion to women and slower runners remain sources of uncertainty.

These are modeled estimates, not validated population percentiles. A comparison can be useful without being exact; the source assumptions matter more than small differences in rank. No body-size adjustment is applied.

What the conversion checks found

We checked published sex-specific 200-to-400 m models against separate 2025 NCAA results. After excluding converted and wind-assisted marks, 98 men and 125 women had eligible paired times. The coefficients came from earlier German race data; they were not fitted to these NCAA outcomes.

Separate athletes were used to calibrate prediction intervals and test them. Average absolute prediction error in the test groups was 0.70 seconds for 48 men and 1.19 seconds for 63 women. The female interval covered 87% of outcomes against a nominal 90% target. These results support an estimate for similarly fast dual-event runners, not an accuracy claim for recreational runners or other D1 sports.

The larger qualifying-list references below use actual 400 m race marks, so they do not need a distance conversion. Their source only displays the faster portion of the field; its median is not the median of all D1 athletes.

Blödorn & Döring: male model · Female model · NCAA evaluation marks. Calculations checked September 20, 2026.

Published and modeled reference cohorts

These named cohorts provide context for the models above. Their original results are preserved separately, without age or body-size adjustments. A study-cohort average or race-list median is not a population percentile. Timing methods vary between studies.

2025 NCAA D1 men’s 400 m qualifying list · 464 raw marks

Median 47.09 s; displayed range 44.38–48.00 s (n=464). 27 converted qualifying marks omitted.

Selected fastest qualifying-list entries, displayed with a 500-result limit. This is a truncated sample of 400 m competitors, not all D1 runners or athletes. Marks are qualifying season bests, not championship-final times. No age or body-size adjustment.

Protocol: Outdoor 400 m track race, starting blocks, external gun signal and fully automatic timing to torso crossing the finish. Enter the raw race result, not a converted qualifying mark.

TFRRS, 2025 NCAA Division I outdoor qualifying list, display limit 500; raw 400 m marks. Reviewed 2026-09-20.

2025 NCAA D1 women’s 400 m qualifying list · 483 raw marks

Median 54.62 s; displayed range 49.44–56.07 s (n=483). 14 converted qualifying marks omitted.

Selected fastest qualifying-list entries, displayed with a 500-result limit. This is a truncated sample of 400 m competitors, not all D1 runners or athletes. Marks are qualifying season bests, not championship-final times. No age or body-size adjustment.

Protocol: Outdoor 400 m track race, starting blocks, external gun signal and fully automatic timing to torso crossing the finish. Enter the raw race result, not a converted qualifying mark.

TFRRS, 2025 NCAA Division I outdoor qualifying list, display limit 500; raw 400 m marks. Reviewed 2026-09-20.

2025 NCAA D1 outdoor 400 m final · 8 valid finishers

Median 45.805 s; range 44.84–46.17 s. One disqualified athlete; no valid time.

Championship finalists only: an exceptionally selected group of 400 m specialists. Final-race times, not season bests or a D1-wide distribution.

Protocol: Outdoor 400 m track race, starting blocks, external gun signal and fully automatic timing to torso crossing the finish. Enter the raw race result, not a converted qualifying mark.

NCAA / Flash Results, 2025 Outdoor Championships, men’s 400 m final. Reviewed 2026-09-20.

2025 NCAA D1 outdoor 400 m final · 9 finishers

Median 51.300 s; range 49.26–51.84 s. No exclusions.

Championship finalists only: an exceptionally selected group of 400 m specialists. Final-race times, not season bests or a D1-wide distribution.

Protocol: Outdoor 400 m track race, starting blocks, external gun signal and fully automatic timing to torso crossing the finish. Enter the raw race result, not a converted qualifying mark.

NCAA / Flash Results, 2025 Outdoor Championships, women’s 400 m final. Reviewed 2026-09-20.

Qualifying-list marks and championship-final times are separate references and may include the same athletes. They are never pooled as independent people. Converted qualifying marks and disqualified final results are excluded. Both samples are selected competitors, not typical D1 athletes.

Return to the full battery · How the ranking works