DOUG MERCADO

10 races in the archive

Personal bests

Half Marathon

2:05:52

2023 · 9:36 /mi

10K

52:42

2016 · 8:29 /mi

8K

44:54

2024 · 9:02 /mi

Progression

Half Marathon3 finishes · best 2:05:52 in 2023 · latest 2:20:57 in 2025
2:05:002:13:202:21:402021202320252021 2021 Carmax Richmond Half Marathon — 2:15:092023 2023 CarMax Richmond Half Marathon — 2:05:522:05:522025 2025 CarMax Richmond Half Marathon — 2:20:57

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

10K6 finishes · best 52:42 in 2016 · latest 1:07:38 in 2026
58:201:06:402016201820192024202520262016 10K — 52:4252:422018 10K — 55:552019 10K — 55:062024 10K — 1:06:442025 10K — 57:182026 10K — 1:07:38

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

Half Marathon — pace by segment3 of 3 editions shown
9:1010:0010:5011:40Start–10K10K–Finish2025 · Start to 10K · 9:42 /mi2025 · 10K to Finish · 11:42 /mi20252023 · Start to 10K · 9:45 /mi2023 · 10K to Finish · 9:28 /mi20232021 · Start to 10K · 10:38 /mi2021 · 10K to Finish · 10:01 /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 segment6 of 6 editions shown
8:2010:0011:40Start–5K5K–Finish2026 · Start to 5K · 10:37 /mi2026 · 5K to Finish · 11:10 /mi20262025 · Start to 5K · 9:21 /mi2025 · 5K to Finish · 9:06 /mi20252024 · Start to 5K · 10:06 /mi2024 · 5K to Finish · 11:23 /mi20242019 · Start to 5K · 8:58 /mi2019 · 5K to Finish · 8:46 /mi20192018 · Start to 5K · 8:57 /mi2018 · 5K to Finish · 9:03 /mi20182016 · Start to 5K · 8:43 /mi2016 · 5K to Finish · 8:15 /mi2016

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