JOHN STONEROCK

5 races in the archive

Personal bests

Half Marathon

1:55:53

2025 · 8:50 /mi

10K

50:22

2026 · 8:06 /mi

Progression

Half Marathon2 finishes · best 1:55:53 in 2025 — their most recent
1:56:402:13:202:30:00202320252023 2023 CarMax Richmond Half Marathon — 2:26:572025 2025 CarMax Richmond Half Marathon — 1:55:531:55:53

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

10K3 finishes · best 50:22 in 2026 — their most recent
50:001:06:402024202520262024 10K — 1:12:042025 10K — 54:482026 10K — 50:2250:22

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

Half Marathon — pace by segment2 of 2 editions shown
10:0011:40Start–10K10K–Finish2025 · Start to 10K · 8:49 /mi2025 · 10K to Finish · 8:52 /mi20252023 · Start to 10K · 10:55 /mi2023 · 10K to Finish · 11:29 /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.

10K — pace by segment3 of 3 editions shown
8:2010:0011:40Start–5K5K–Finish2026 · Start to 5K · 8:16 /mi2026 · 5K to Finish · 7:57 /mi20262025 · Start to 5K · 9:06 /mi2025 · 5K to Finish · 8:33 /mi20252024 · Start to 5K · 11:49 /mi2024 · 5K to Finish · 11:23 /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