JOHN CHU

5 races in the archive

Personal bests

Half Marathon

2:11:01

2021 · 10:00 /mi

10K

46:09

2013 · 7:26 /mi

Progression

10K4 finishes · best 46:09 in 2013 · latest 56:12 in 2023
50:0058:2020122013202220232012 10K — 53:002013 10K — 46:0946:092022 10K — 56:262023 10K — 56:12

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

10K — pace by segment2 of 2 editions shown
8:209:1010:00Start–5K5K–Finish2023 · Start to 5K · 8:55 /mi2023 · 5K to Finish · 9:11 /mi20232022 · Start to 5K · 9:56 /mi2022 · 5K to Finish · 8:14 /mi2022

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