Sam Koolhaas vs Marit Van Oudheusden

Overall Time

1:43:24

Rank

#782

Age Group

#152 in AG

Overall Time

1:43:26

Rank

#783

Age Group

#153 in AG

Side-by-side percentile ranking within each athlete's division

Key Totals

Top-level times compared side by side (positive = first athlete is slower)

Overall Time

-0:02

1:43:24vs1:43:26

Run Total

-5:05

51:03vs56:08

Workout Total

+4:41

44:10vs39:29

Roxzone

+0:22

8:16vs7:54

Time difference per split (positive = Sam Koolhaas is slower)

Watch both athletes move through the course in real time, scaled to your chosen replay length.

ASam KoolhaasBMarit Van Oudheusden

Race Replay

Sam Koolhaas

2025 Rotterdam

Marit Van Oudheusden

2025 Rotterdam

— / 1:43:34

Replay length90s

Unlock your potential with our pace calculator tool.