ALEX JACOBS

5 races in the archive

Personal bests

Marathon

3:58:28

2025 · 9:06 /mi

Half Marathon

1:46:32

2024 · 8:08 /mi

10K

47:25.6

2024 · 7:38 /mi

Progression

Marathon2 finishes · best 3:58:28 in 2025 — their most recent
4:10:00202320252023 2023 Allianz Partners Richmond Marathon — 4:17:032025 2025 Allianz Richmond Marathon — 3:58:283:58:28

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

10K2 finishes · best 47:25.6 in 2024 · latest 49:13 in 2025
47:3048:2049:10202420252024 10K — 47:25.647:25.62025 10K — 49:13

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

Marathon — pace by segment2 of 2 editions shown
9:109:3510:0010:25Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2025 · Start to 10K · 9:02 /mi2025 · 10K to Half · 9:01 /mi2025 · Half to 20 Mile · 9:03 /mi2025 · 20 Mile to Finish · 9:17 /mi20252023 · Start to 10K · 9:45 /mi2023 · 10K to Half · 9:40 /mi2023 · Half to 20 Mile · 9:35 /mi2023 · 20 Mile to Finish · 10:16 /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 segment2 of 2 editions shown
7:408:008:20Start–5K5K–Finish2025 · Start to 5K · 8:15 /mi2025 · 5K to Finish · 7:35 /mi20252024 · Start to 5K · 7:45 /mi2024 · 5K to Finish · 7:31 /mi2024

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