GERALD CHALKLEY

5 races in the archive

Personal bests

Half Marathon

2:25:22

2025 · 11:05 /mi

10K

58:27

2025 · 9:24 /mi

Progression

Half Marathon2 finishes · best 2:25:22 in 2025 — their most recent
2:30:002:46:40201920252019 2019 Markel Richmond Half Marathon — 2:56:052025 2025 CarMax Richmond Half Marathon — 2:25:222:25:22

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

10K3 finishes · best 58:27 in 2025 · latest 1:21:21 in 2026
1:06:401:23:202019202520262019 10K — 1:17:072025 10K — 58:2758:272026 10K — 1:21:21

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

Half Marathon — pace by segment2 of 2 editions shown
11:4013:20Start–10K10K–Finish2025 · Start to 10K · 10:38 /mi2025 · 10K to Finish · 11:30 /mi20252019 · Start to 10K · 12:37 /mi2019 · 10K to Finish · 14:10 /mi2019

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
10:0011:4013:20Start–5K5K–Finish2026 · Start to 5K · 12:29 /mi2026 · 5K to Finish · 13:42 /mi20262025 · Start to 5K · 9:17 /mi2025 · 5K to Finish · 9:31 /mi20252019 · Start to 5K · 11:58 /mi2019 · 5K to Finish · 12:52 /mi2019

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