TONY CHANG

11 races in the archive

Personal bests

Half Marathon

2:01:58

2025 · 9:18 /mi

10K

53:23

2025 · 8:35 /mi

Progression

Half Marathon6 finishes · best 2:01:58 in 2025 — their most recent
2:05:002:13:202020202120222023202420252020 2020 Richmond Half Marathon — 2:12:392021 2021 Carmax Richmond Half Marathon — 2:16:352022 2022 CarMax Richmond Half Marathon — 2:08:542023 2023 CarMax Richmond Half Marathon — 2:09:162024 2024 CarMax Richmond Half Marathon — 2:02:242025 2025 CarMax Richmond Half Marathon — 2:01:582:01:58

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

10K5 finishes · best 53:23 in 2025 · latest 58:57 in 2026
54:1058:201:02:30201920212022202520262019 10K — 55:412021 10K — 1:01:132022 10K — 56:492025 10K — 53:2353:232026 10K — 58:57

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

Half Marathon — pace by segment5 of 5 editions shown
9:1010:0010:50Start–10K10K–Finish2025 · Start to 10K · 8:59 /mi2025 · 10K to Finish · 9:36 /mi20252024 · Start to 10K · 9:03 /mi2024 · 10K to Finish · 9:36 /mi20242023 · Start to 10K · 9:42 /mi2023 · 10K to Finish · 10:01 /mi20232022 · Start to 10K · 9:21 /mi2022 · 10K to Finish · 10:16 /mi20222021 · Start to 10K · 9:56 /mi2021 · 10K to Finish · 10:51 /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 segment5 of 5 editions shown
6:4010:00Start–5K5K–Finish2026 · Start to 5K · 9:14 /mi2026 · 5K to Finish · 9:45 /mi20262025 · Start to 5K · 8:46 /mi2025 · 5K to Finish · 8:25 /mi20252022 · Start to 5K · 9:12 /mi2022 · 5K to Finish · 9:06 /mi20222021 · Start to 5K · 7:17 /mi2021 · 5K to Finish · 12:25 /mi20212019 · Start to 5K · 9:05 /mi2019 · 5K to Finish · 8:50 /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