DANIEL O'BRIEN

3 races in the archive

Personal bests

Marathon

3:51:34

2025 · 8:50 /mi

Half Marathon

2:26:58

2025 · 11:13 /mi

Progression

Marathon2 finishes · best 3:51:34 in 2025 — their most recent
3:53:204:10:004:26:40200020252000 2000 Richmond Marathon — 4:25:062025 2025 Allianz Richmond Marathon — 3:51:343:51:34

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

Marathon — pace by segment2 of 2 editions shown
8:2010:0011:40Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2025 · Start to 10K · 8:33 /mi2025 · 10K to Half · 8:53 /mi2025 · Half to 20 Mile · 8:45 /mi2025 · 20 Mile to Finish · 9:08 /mi20252000 · Start to Half · 8:22 /mi2000 · Half to 20 Mile · 11:24 /mi2000 · 20 Mile to Finish · 12:21 /mi2000

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