ALEX CHIU

12 races in the archive

Personal bests

Half Marathon

1:53:14

2023 · 8:38 /mi

10K

50:32.2

2024 · 8:08 /mi

8K

40:01

2019 · 8:03 /mi

Progression

Half Marathon4 finishes · best 1:53:14 in 2023 · latest 1:56:55 in 2025
1:53:201:56:4020212023202420252021 2021 Carmax Richmond Half Marathon — 1:58:402023 2023 CarMax Richmond Half Marathon — 1:53:141:53:142024 2024 CarMax Richmond Half Marathon — 1:53:352025 2025 CarMax Richmond Half Marathon — 1:56:55

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

10K7 finishes · best 50:32.2 in 2024 · latest 50:45 in 2026
50:0058:201:06:4020192021202220232024202520262019 10K — 50:482021 10K — 1:04:562022 10K — 55:272023 10K — 59:412024 10K — 50:32.250:32.22025 10K — 1:07:342026 10K — 50:45

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

Half Marathon — pace by segment4 of 4 editions shown
8:409:009:20Start–10K10K–Finish2025 · Start to 10K · 8:53 /mi2025 · 10K to Finish · 8:57 /mi20252024 · Start to 10K · 8:45 /mi2024 · 10K to Finish · 8:36 /mi20242023 · Start to 10K · 8:45 /mi2023 · 10K to Finish · 8:32 /mi20232021 · Start to 10K · 9:25 /mi2021 · 10K to Finish · 8:43 /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.

10K — pace by segment6 of 7 editions shown
8:2010:00Start–5K5K–Finish2026 · Start to 5K · 8:16 /mi2026 · 5K to Finish · 8:05 /mi20262025 · Start to 5K · 10:48 /mi2025 · 5K to Finish · 10:57 /mi20252024 · Start to 5K · 8:18 /mi2024 · 5K to Finish · 7:58 /mi20242023 · Start to 5K · 9:41 /mi2023 · 5K to Finish · 9:31 /mi20232022 · Start to 5K · 9:13 /mi2022 · 5K to Finish · 8:38 /mi20222021 · Start to 5K · 10:17 /mi2021 · 5K to Finish · 10:37 /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