Mark Thill
ID 210672
Born : 1975 Cat. M50 Ultrarunner since 2007 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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
55,9%
Rank quotient ?This runner's calculation uses 53 eligible race(s): Σ(rank − 1) = 3 459; Σ finishers = 6 188. 3 459 / 6 188 × 100 = 55.90%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed55
Km — ultra races5 505 km
> 100 km21
> 160 km20
Longest race170,6 km
7th Cruel Jewel 100 Mile — 17/5/2019

Km per year (ultra races)

338
4 races
2022
211
2 races
2023
241
2 races
2024
211
2 races
2025
2026

Race types (share of distance)

Road17,5%
Trail79,7%
Stage2,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km5h14'18100 km11h40'1850 mi8h16'55100 mi19h33'16

HISTORY

53 race(s)
DateRacePerf.Rk
2025
21.06 100mi USA33rd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 34:16:57 h179
26.04 50km USA15th Cheyenne Mountain Trail Race 6:44:37 h18
2024
12.10 100mi USA12th Indiana Trail 100 Mile 27:45:41 h88
06.07 80.5km USA17th Leadville Silver Rush 50 Mile Run 13:03:16 h410
2023
08.09 100mi USA15th Run Woodstock - 100 Mile Hallucination Run 29:38:56 h95
29.04 50km USA13th Cheyenne Mountain Trail Race 7:56:31 h36
2022
22.10 50km USA5th Bobcat Trail Race 50k 7:57:18 h13
09.07 77km USA15th Leadville Silver Rush 50 Mile Run 12:33:32 h294
16.04 50km USA8th Rattler Trail Race 50K 6:50:33 h38
15.01 100mi USA12th Coldwater Rumble 100 Mile Race 31:42:43 h66
2021
23.10 50km USA4th Bobcat Trail Race 50k 6:50:41 h13
2020
14.11 50mi USA7th Tunnel Hill 50 Mile Race 10:20:48 h20
25.09 100mi USA22nd The Bear 100 Mile Endurance Run 35:34:47 h202
2019
09.11 100mi USA6th Tunnel Hill 100 Mile Race 28:09:11 h190
17.05 106mi USA7th Cruel Jewel 100 Mile 45:50:42 h124
23.03 50mi USA22nd OPSF Ultra 50 Mile Race 10:56:27 h2 🥈
2018
10.11 100mi USA5th Tunnel Hill 100 Mile Race 21:47:21 h51
28.07 102mi USA12th Burning River 100 Mile Endurance Run 27:46:23 h94
18.05 106mi USA6th Cruel Jewel 100 Mile 46:05:56 h88
10.02 50km USA15th Louisville's Love'n the Hills (LLTH 50K) 6:48:41 h29
2017
11.11 100mi USA4th Tunnel Hill 100 Mile Race 26:56:10 h125
29.04 100km USA5th Indiana Trail 100 km 11:40:18 h4
25.03 50mi USA20th OPSF Ultra 50 Mile Race 10:55:38 h4
04.02 50km USA14th Louisville's Love'n the Hills (LLTH 50K) 5:59:02 h12
2016
12.11 100mi USA3rd Tunnel Hill 100 Mile Race 21:34:27 h27
18.06 100mi USA27th Mohican Trail 100 Mile 29:29:56 h70
04.06 100mi USA21st Kettle Moraine 100 Mile Endurance Run 27:52:46 h91
12.03 50mi USA13th Land Between The Lakes 50 Mile Trail Run 8:16:55 h4
06.02 50km USA13th Louisville's Love'n the Hills (LLTH 50K) 5:56:01 h11
2015
14.11 50mi USA2nd Tunnel Hill 50 Mile Race 9:45:27 h58
29.08 50mi USA11th Baker Trail 50 Mile UltraChallenge 10:43:01 h9
11.07 50km USA12th Dances with Dirt - Devil's Lake 50K Ultra 5:14:18 h10
25.04 100mi USA3rd Indiana Trail 100 Mile 26:32:41 h49
14.03 50mi USA12th Land Between The Lakes 50 Mile Trail Run 8:28:24 h11
07.02 50km USA12th Louisville's Love'n the Hills (LLTH 50K) 6:55:09 h35
2014
15.11 100mi USA1st Tunnel Hill 100 Mile Race 19:33:16 h10
16.08 100mi USA32nd Leadville Trail 100 Mile 29:29:29 h290
26.04 100mi USA2nd Indiana Trail 100 Mile 23:27:16 h31
08.03 50mi USA11th Land Between The Lakes 50 Mile Trail Run 9:24:09 h21
2013
27.07 100mi USA7th Burning River 100 Mile Endurance Run 26:32:27 h82
01.06 100mi USA18th Kettle Moraine 100 Mile Endurance Run 27:02:25 h60
11.05 50mi USA10th Dances with Dirt - Gnaw Bone 50 Mile Ultra 11:34:42 h28
16.03 50mi trail race USA9th Three Days of Syllamo 50 Mile Run 13:08:30 h50
15.03 50km trail race USA9th Three Days of Syllamo 50 km Run 7:17:09 h34
15.03 150km/3stages stage race USA9th Three Days of Syllamo Stage Race 23:13:20 h32
09.02 50km USA10th Louisville's Love'n the Hills (LLTH 50K) 6:43:40 h34
2012
15.09 50mi USA5th Endurance Challenge - Wisconsin Trail 50 Miles 8:44:38 h42
12.05 50mi USA9th Dances with Dirt - Gnaw Bone 50 Mile Ultra 11:11:55 h30
24.03 50mi USA9th Dances with Dirt - Green Swamp 50 Mile Ultra 9:52:07 h15
2011
24.09 50km USA9th Dances with Dirt - Hell 50K Ultra 5:30:24 h15
09.07 50km USA8th Dances with Dirt - Devil's Lake 50K Ultra 7:25:50 h89
2010
06.11 50km USA14th OPSF Ultra 50 km Race 7:26:00 h16
2007
10.03 60km USA4th Land Between The Lakes 60 km Trail Run 8:42:35 h63