JACKSON SOUTHWORTH

6 races in the archive

Personal bests

Marathon

4:09:44

2023 · 9:31 /mi

10K

50:09

2025 · 8:04 /mi

Progression

Marathon3 finishes · best 4:09:44 in 2023 · latest 4:53:23 in 2025
4:26:405:00:002023202420252023 2023 Allianz Partners Richmond Marathon — 4:09:444:09:442024 2024 Allianz Partners Richmond Marathon — 4:43:532025 2025 Allianz Richmond Marathon — 4:53:23

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

10K3 finishes · best 50:09 in 2025 — their most recent
50:0058:202017202320252017 10K — 50:202023 10K — 1:00:062025 10K — 50:0950:09

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

Marathon — pace by segment3 of 3 editions shown
8:2010:0011:4013:20Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2025 · Start to 10K · 10:11 /mi2025 · 10K to Half · 10:22 /mi2025 · Half to 20 Mile · 11:20 /mi2025 · 20 Mile to Finish · 12:57 /mi20252024 · Start to 10K · 9:52 /mi2024 · 10K to Half · 9:47 /mi2024 · Half to 20 Mile · 10:43 /mi2024 · 20 Mile to Finish · 13:04 /mi20242023 · Start to 10K · 8:49 /mi2023 · 10K to Half · 8:45 /mi2023 · Half to 20 Mile · 9:21 /mi2023 · 20 Mile to Finish · 11:17 /mi2023

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 segment3 of 3 editions shown
8:209:1010:00Start–5K5K–Finish2025 · Start to 5K · 8:13 /mi2025 · 5K to Finish · 7:55 /mi20252023 · Start to 5K · 9:15 /mi2023 · 5K to Finish · 10:06 /mi20232017 · Start to 5K · 7:52 /mi2017 · 5K to Finish · 8:21 /mi2017

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