MARY ROSENBERG

15 races in the archive

Personal bests

Marathon

5:32:53

2025 · 12:42 /mi

Half Marathon

2:34:16

2024 · 11:46 /mi

10K

1:09:29

2025 · 11:11 /mi

8K

55:00

2018 · 11:04 /mi

Progression

Half Marathon3 finishes · best 2:34:16 in 2024 — their most recent
2:38:202:46:402022202320242022 2022 CarMax Richmond Half Marathon — 2:48:342023 2023 CarMax Richmond Half Marathon — 2:44:292024 2024 CarMax Richmond Half Marathon — 2:34:162:34:16

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

10K10 finishes · best 1:09:29 in 2025 · latest 1:18:26 in 2026
1:06:401:40:0020122013201620172019202220232024202520262012 10K — 1:21:022013 10K — 1:46:262016 10K — 1:30:192017 10K — 1:34:332019 10K — 1:09:502022 10K — 1:22:492023 10K — 1:12:572024 10K — 1:10:222025 10K — 1:09:291:09:292026 10K — 1:18:26

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

Half Marathon — pace by segment3 of 3 editions shown
11:4012:3013:20Start–10K10K–Finish2024 · Start to 10K · 11:26 /mi2024 · 10K to Finish · 12:04 /mi20242023 · Start to 10K · 12:04 /mi2023 · 10K to Finish · 12:58 /mi20232022 · Start to 10K · 12:03 /mi2022 · 10K to Finish · 13:35 /mi2022

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 8 editions shown
10:5011:4012:3013:20Start–5K5K–Finish2026 · Start to 5K · 12:17 /mi2026 · 5K to Finish · 12:58 /mi20262025 · Start to 5K · 11:18 /mi2025 · 5K to Finish · 11:04 /mi20252024 · Start to 5K · 11:24 /mi2024 · 5K to Finish · 11:15 /mi20242023 · Start to 5K · 11:32 /mi2023 · 5K to Finish · 11:56 /mi20232022 · Start to 5K · 13:22 /mi2022 · 5K to Finish · 13:17 /mi20222019 · Start to 5K · 10:50 /mi2019 · 5K to Finish · 11:39 /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