SARAH KOOLHOF

3 races in the archive

Personal bests

Half Marathon

2:16:32

2017 · 10:25 /mi

10K

56:34

2025 · 9:06 /mi

Progression

Half Marathon2 finishes · best 2:16:32 in 2017 · latest 2:17:35 in 2024
2:16:402:17:30201720242017 2017 Markel Richmond Half Marathon — 2:16:322:16:322024 2024 CarMax Richmond Half Marathon — 2:17:35

Lower on the chart is faster — a line falling to the right means improvement.

Half Marathon — pace by segment2 of 2 editions shown
10:2010:2510:30Start–10K10K–Finish2024 · Start to 10K · 10:33 /mi2024 · 10K to Finish · 10:27 /mi20242017 · Start to 10K · 10:19 /mi2017 · 10K to Finish · 10:30 /mi2017

Minutes per mile over each stretch of the course. Lower is faster, so a line rising to the right means slowing down. Colour runs pale for the earliest editions to dark for the most recent; tap a year to show or hide it.

Race history