Stef Koopman
2026 Amsterdam · Open Men
1:19:08
Total time
#578 of 1,241
Top 47% of Open Men
Run vs workout
Running (8 km)
39:30
Median 38:55 · 35 sec slower
Workout stations
32:37
Median 34:59 · 2 min 22 sec faster
2026 Amsterdam · Open Men