Kostro, James
United StatesManBorn 19792025 – 2026Runner id 2535781
Events
4
2025 – 2026
Best pace
5.769
km/h · 2026
Best finish
42nd
of 151 · 2025
Distance raced
203
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 4 races from 2025 to 2026, ranging from 4.29 to 6.25 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.
- Actual pace
- Age-graded pace
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2025-12-20 | Chiang Dao 50Thailand | 50km | 10:17:21 h | 4.859 | 42/151 |
| 2026-02-14 | Tarawera 50 km UltramarathonNew Zealand | 52km | 9:00:47 h | 5.769 | 1325/1739 |
| 2026-03-14 | 51km | 11:25:11 h | 4.466 | 887/1213 | |
| 2026-05-16 | RothrockUnited States | 50km | 11:39:11 h | 4.291 | 311/314 |