Michael Bigelow
Born : 1973 Cat. M50 Ultrarunner since 2011 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
18,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 724; Σ finishers = 4 006. 724 / 4 006 × 100 = 18.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 185 km
> 100 km5
> 160 km5
Longest race160,9 km

Km per year (ultra races)

80
1 race
2022
2023
2024
161
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

HISTORY

25 race(s)
DateRacePerf.Rk
2025
26.07 100mi USA2nd Hood Hundred 100 Miles 25:54:03 h46
2022
14.05 50mi USA9th Mary's Peak 50 Mile Ultra Trail Race 8:30:35 h4
2019
13.09 100mi USA13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 27:30:18 h20
18.05 50mi USA7th Bryce 50 Mile Trail Run 10:27:40 h12
02.03 50km USA3rd Griffith Park Trail Marathon 4:54:53 h13
2018
13.10 50km USA5th Oregon Coast 50k 5:42:11 h63
16.06 50km USA2nd Millersylvania Trail Race 50K 4:28:23 h13
2016
10.07 50mi USA9th Leadville Silver Rush 50 Mile Run 9:57:53 h67
11.06 28mi USA2nd South Park Trail Marathon 5:26:23 h11
2015
18.09 100mi USA9th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 24:40:27 h2 🥈
25.07 100km USA1st Never Summer 100k 16:34:17 h27
20.06 50km USA4th Angel Fire Endurance 50 km Run 5:42:18 h1 🏆
2014
12.09 100mi USA8th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 24:54:43 h8
10.05 50mi USA3rd Quad Rock 50 Mile 9:30:03 h19
2013
17.08 100mi USA31st Leadville Trail 100 Mile 23:51:05 h80
22.06 50mi USA2nd Angel Fire Endurance 50 Mile Run 9:33:31 h3 🥉
01.06 50km USA5th Golden Gate Dirty 30 6:02:24 h48
11.05 50mi USA2nd Quad Rock 50 Mile 9:46:48 h23
2012
15.09 50mi USA6th Run Rabbit Run 50 Mile UltraMarathon 9:41:04 h17
15.07 50mi USA5th Leadville Silver Rush 50 Mile Run 9:39:22 h76
02.06 50km USA4th Golden Gate Dirty 30 6:55:11 h91
19.05 50mi USA27th Silver State 50 Mile 10:00:16 h17
24.03 50km USA11th Pirates Cove Trail Run 4:58:19 h7
2011
08.10 50mi USA1st Slickrock 50 Mile Run 10:48:16 h9
17.07 50mi USA4th Leadville Silver Rush 50 Mile Run 9:56:58 h72