Mark Klettlinger
Born : 1981 Cat. M45 Ultrarunner since 2016 USA
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
41,0%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 1 400; Σ finishers = 3 412. 1 400 / 3 412 × 100 = 41.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed37
Km — ultra races3 169 km
> 100 km11
> 160 km8
Longest race164,2 km

Km per year (ultra races)

194
2 races
2022
211
2 races
2023
291
3 races
2024
311
4 races
2025
211
2 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

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

HISTORY

37 race(s)
DateRacePerf.Rk
2026
25.07 100mi USA20th Burning River 100 Mile Endurance Run 26:16:59 h74
07.03 50km USA10th Super Bull Trail Championchips 50km 5:41:53 h6
2025
13.12 50km USA16th Bigfoot 50K Trail Race 5:55:55 h36
11.10 50km USA8th Shawnee 50 km Trail Run 7:12:09 h10
28.06 100mi USA52nd Western States 100 Mile Endurance Run 29:26:18 h244
10.05 50km USA10th Thunderbunny 50K 6:26:13 h19
2024
14.12 50km USA15th Bigfoot 50K Trail Race 6:49:06 h78
27.07 100mi USA18th Burning River 100 Mile Endurance Run 22:35:52 h26
27.04 50mi USA35th Zane Grey 50 Miles Endurance Run 14:36:21 h42
2023
29.07 100mi USA17th Burning River 100 Mile Endurance Run 22:27:39 h17
08.07 50km USA29th Buckeye Trail 50k 5:37:16 h27
2022
08.10 50mi USA5th Shawnee 50 Mile Trail Run 12:45:14 h15
11.06 70.5mi USA43rd Laurel Highlands 70 Mile Ultra 19:07:25 h69
2021
30.10 159.2km USA19th Javelina Jundred 100 Mile Endurance Run 26:26:30 h158
24.07 100mi USA15th Burning River 100 Mile Endurance Run 24:50:13 h45
24.04 50mi USA32th Zane Grey 50 Miles Endurance Run 13:39:05 h34
03.04 50km USA14th Fools 50K Trail Run 5:49:45 h13
06.03 50km USA5th Super Bull Trail Championchips 50km 5:35:46 h13
2020
22.08 102mi USA14th Burning River 100 Mile Endurance Run 23:31:03 h23
07.03 50km USA4th Super Bull Trail Championchips 50km 5:48:26 h14
12.01 50km USA8th Rocks and Roots Trail Series 50K 5:47:18 h9
2019
08.06 70.5mi USA40th Laurel Highlands 70 Mile Ultra 17:26:37 h39
09.03 50km USA3rd Super Bull Trail Championchips 50km 5:46:45 h15
06.01 50km USA7th Rocks and Roots Trail Series 50K 5:59:59 h9
2018
13.10 50km USA3rd Feral Hog 50K Ruck 8:47:06 h1 🏆
28.07 102mi USA12th Burning River 100 Mile Endurance Run 24:46:43 h54
28.04 50mi USA29th Zane Grey 50 Mile Endurance Run 12:47:11 h63
11.02 50mi USA6th Rocks and Roots Trail Series 50M 12:10:01 h4
07.01 50km USA6th Rocks and Roots Trail Series 50K 6:13:26 h14
2017
11.11 50km USA8th Fuzzy Fandango Trail Races 6:30:53 h25
07.10 50km USA2nd Feral Hog 50K 7:25:43 h11
29.07 102mi USA11th Burning River 100 Mile Endurance Run 28:35:25 h85
10.06 50km USA10th Green Jewel 50K 5:06:08 h19
29.01 50km USAWinter Buckeye Trail 50k 6:57:15 h15
2016
15.10 50km USA1st Feral Hog 50K 8:06:08 h23
06.08 52mi USA10th Burning River 50 Mile Back Endurance Run 14:13:20 h38
02.04 50km USA9th Fools 50K Trail Run 6:10:22 h50