MARK KOSTRO

3 races in the archive

Personal bests

Marathon

3:52:13

2025 · 8:51 /mi

Progression

Marathon3 finishes · best 3:52:13 in 2025 — their most recent
3:53:203:56:404:00:002023202420252023 2023 Allianz Partners Richmond Marathon — 3:58:192024 2024 Allianz Partners Richmond Marathon — 3:59:262025 2025 Allianz Richmond Marathon — 3:52:133:52:13

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

Marathon — pace by segment3 of 3 editions shown
8:209:1010:00Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2025 · Start to 10K · 9:09 /mi2025 · 10K to Half · 8:29 /mi2025 · Half to 20 Mile · 8:36 /mi2025 · 20 Mile to Finish · 9:16 /mi20252024 · Start to 10K · 9:12 /mi2024 · 10K to Half · 8:36 /mi2024 · Half to 20 Mile · 8:54 /mi2024 · 20 Mile to Finish · 9:54 /mi20242023 · Start to 10K · 9:49 /mi2023 · 10K to Half · 8:29 /mi2023 · Half to 20 Mile · 8:48 /mi2023 · 20 Mile to Finish · 9:22 /mi2023

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