HAIFENG QIAN

2 races in the archive

Personal bests

Marathon

3:34:56

2021 · 8:12 /mi

Progression

Marathon2 finishes · best 3:34:56 in 2021 · latest 3:47:06 in 2022
3:36:403:45:00202120222021 2021 VCU Health Richmond Marathon — 3:34:563:34:562022 2022 Allianz Partners Richmond Marathon — 3:47:06

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

Marathon — pace by segment2 of 2 editions shown
8:209:10Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2022 · Start to 10K · 8:13 /mi2022 · 10K to Half · 8:15 /mi2022 · Half to 20 Mile · 8:52 /mi2022 · 20 Mile to Finish · 9:20 /mi20222021 · Start to 10K · 7:59 /mi2021 · 10K to Half · 7:55 /mi2021 · Half to 20 Mile · 8:06 /mi2021 · 20 Mile to Finish · 8:49 /mi2021

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