JONATHAN HELLER

10 races in the archive

Personal bests

Half Marathon

2:09:43

2022 · 9:54 /mi

10K

49:12

2019 · 7:55 /mi

Progression

10K9 finishes · best 49:12 in 2019 · latest 57:09 in 2026
50:0054:1058:202015201720182019202120222023202420262015 10K — 50:532017 10K — 52:492018 10K — 51:112019 10K — 49:1249:122021 10K — 53:212022 10K — 49:272023 10K — 53:562024 10K — 50:01.22026 10K — 57:09

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

10K — pace by segment6 of 8 editions shown
7:308:209:1010:00Start–5K5K–Finish2026 · Start to 5K · 8:31 /mi2026 · 5K to Finish · 9:53 /mi20262024 · Start to 5K · 8:12 /mi2024 · 5K to Finish · 7:54 /mi20242023 · Start to 5K · 8:06 /mi2023 · 5K to Finish · 9:16 /mi20232022 · Start to 5K · 7:49 /mi2022 · 5K to Finish · 8:06 /mi20222021 · Start to 5K · 8:25 /mi2021 · 5K to Finish · 8:45 /mi20212019 · Start to 5K · 7:47 /mi2019 · 5K to Finish · 8:03 /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