Michael Chastain
ID 78750
Born : 1966 Cat. M60 Ultrarunner since 2002 USA
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
3
Countries visited ?CANCanadaNZLNew ZealandUSAUnited States
28,8%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 1 097; Σ finishers = 3 809. 1 097 / 3 809 × 100 = 28.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 317 km
> 100 km4
> 160 km4
Longest race160,9 km
3rd Idaho Mountain Trail Running Festival (IMTRF) — 20/9/2014

Km per year (ultra races)

2022
2023
2024
2025
50
1 race
2026

Race types (share of distance)

Road2,0%
Trail98,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

Records

50 km4h48'00100 km14h34'3650 mi8h20'13100 mi25h00'3712 h46,59 km

HISTORY

30 race(s)
DateRacePerf.Rk
2026
27.06 50km USA7th Needles 50k 10:04:00 h33
2016
09.07 100km USA3rd Beaverhead 100K Endurance Run 14:57:25 h11
2015
25.07 50mi USA23rd White River 50 Mile Trail Run 8:57:02 h34
2014
20.09 100mi USA3rd Idaho Mountain Trail Running Festival (IMTRF) 28:12:38 h5
2013
07.12 60km NZL26th Kepler Challenge Mountain Run 6:44:37 h59
30.03 50km USA3rd Gorge Waterfalls 50k 4:54:03 h64
2012
04.02 50km USA7th Orcas Island 50k 7:07:23 h94
2011
09.07 30mi CAN23rd Knee Knackering North Shore Trail Run 7:09:28 h81
17.06 100mi USA20th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 25:11:55 h14
07.05 50km USA3rd Lost Lake 50k 6:49:47 h14
16.04 50mi USA22nd Zane Grey 50 Mile Endurance Run 12:19:30 h35
05.02 50km USA6th Orcas Island 50k 7:06:47 h58
2010
30.10 12h USA4th Carkeek 12 Hour 46.590 km25
28.08 100mi USA12th Cascade Crest Classic 100 Mile 25:00:37 h23
31.07 50mi USA18th White River 50 Mile Trail Run 9:39:12 h63
15.05 100mi USA16th Massanutten Mountain Trails 100 Mile 27:33:00 h33
10.04 50mi USA18th Bull Run Run 50 Miler 8:20:13 h35
05.03 100km USA3rd Coyote Two Moon Ultras 100 km 17:14:00 h1 🏆
06.02 50km USA5th Orcas Island 50k 5:50:11 h32
16.01 34mi USA8th Capitol Peak MegaFatAss 5:10:00 h13
2009
03.10 50km USA8th Baker Lake 50K Ultra Trail Run 5:22:00 h8
22.08 100km USA8th Where's Waldo 100K Ultramarathon 14:34:36 h60
2008
01.11 50km USA13th Ron Herzog 50K 4:48:00 h5
21.06 50mi USA14th San Juan Solstice 50 Mile Run 14:31:22 h88
10.05 50km USA1st Endurance Challenge - Washington Trail 50 km 6:36:57 h10
2007
15.09 50km USA13th Cle Elum Ridge 50k 6:34:56 h23
28.07 50mi USA15th White River 50 Mile Trail Run 11:01:10 h96
2005
17.09 50km USA3rd Great Eastern Endurance Run 50 km 6:47:30 h23
2003
12.04 50mi USA11th Bull Run Run 50 Miler 9:07:04 h56
2002
10.08 50km USA7th Catoctin 50k Trail Run 7:05:27 h31