COLLEEN O'CONNOR

5 races in the archive

Personal bests

Half Marathon

2:15:00

2024 · 10:18 /mi

10K

58:25

2025 · 9:24 /mi

8K

50:12

2023 · 10:06 /mi

Progression

Half Marathon2 finishes · best 2:15:00 in 2024 · latest 2:25:43 in 2025
2:13:202:21:40202420252024 2024 CarMax Richmond Half Marathon — 2:15:002:15:002025 2025 CarMax Richmond Half Marathon — 2:25:43

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

10K2 finishes · best 58:25 in 2025 — their most recent
58:201:06:40202420252024 10K — 1:11:552025 10K — 58:2558:25

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

Half Marathon — pace by segment2 of 2 editions shown
10:0010:5011:40Start–10K10K–Finish2025 · Start to 10K · 10:21 /mi2025 · 10K to Finish · 11:48 /mi20252024 · Start to 10K · 10:13 /mi2024 · 10K to Finish · 10:22 /mi2024

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.

10K — pace by segment2 of 2 editions shown
9:1010:0010:5011:40Start–5K5K–Finish2025 · Start to 5K · 9:25 /mi2025 · 5K to Finish · 9:23 /mi20252024 · Start to 5K · 11:37 /mi2024 · 5K to Finish · 11:32 /mi2024

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