Craig Sommerdorf
ID 934455
Born : 1963 Cat. M60 Ultrarunner since 2017 USA
31
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
2
Countries visited ?ITAItalyUSAUnited States
77,8%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 6 568; Σ finishers = 8 439. 6 568 / 8 439 × 100 = 77.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 070 km
> 100 km3
> 160 km1
Longest race160,9 km
37th Leadville Trail 100 Mile — 17/8/2019

Km per year (ultra races)

175
3 races
2022
98
2 races
2023
241
3 races
2024
98
2 races
2025
178
3 races
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h41'48100 km15h36'0850 mi12h01'59100 mi29h38'51

HISTORY

31 race(s)
DateRacePerf.Rk
2026
29.08 50km USA3rd Rock Hawk 7:48:31 h40
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 13:08:53 h477
11.04 48km USA23rd Desert Rats Trail Running Festival 50 km 8:07:49 h351
2025
05.07 50km USA32nd Afton Trail Run 50K 6:50:00 h124
12.04 48km USA22nd Desert Rats Trail Running Festival 50 km 7:52:46 h296
2024
30.08 101km ITA18ème Courmayeur-Champex-Chamonix 26:27:59 h1611
26.07 60km USA10th Never Summer 60k 12:07:09 h184
13.04 50mi USA16th Lake Sonoma 50 Mile Race 14:20:29 h155
2023
01.07 50km USA30th Afton Trail Run 50K 7:24:13 h198
15.04 48km USA20th Desert Rats Trail Running Festival 50 km 7:38:10 h231
2022
03.09 65km USA9th Grand Traverse Mountain Run 11:14:07 h186
29.07 60km USA8th Never Summer 60k 12:05:28 h180
26.03 50km USA9th Behind the Rocks 50km Race 8:17:55 h151
2021
02.09 55km USA5th Crested Butte 55 km Ultra 7:37:04 h88
31.07 100km USA7th Never Summer 100k 21:09:01 h155
12.06 52km USA13th Golden Gate Dirty 30 9:21:50 h221
2020
25.07 60km USA6th Never Summer 60k 11:34:11 h30
27.06 50km USA1st Bears Ears 50 km Ultra Race 9:43:26 h68
2019
16.11 50km USA5th Dead Horse 50 km Race 5:41:48 h127
28.09 55km USA3rd Crested Butte 55 km Ultra 9:40:51 h100
17.08 100mi USA37th Leadville Trail 100 Mile 29:38:51 h320
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 13:08:53 h475
01.06 50km USA11th Golden Gate Dirty 30 9:18:20 h330
23.03 50km USA6th Behind the Rocks 50km Race 7:53:48 h191
2018
27.10 100km USA16th Javelina Jundred 100 km Endurance Run 15:36:08 h79
15.09 105km USA2nd Crested Butte 105 km Ultra 21:20:25 h13
28.07 50mi USA9th Grand Mesa 50 Mile Trail Race 12:01:59 h24
28.04 50km USA8th Cheyenne Mountain Trail Race 6:06:21 h22
24.03 50mi USA5th Behind the Rocks 50 Mile Race 12:22:03 h53
2017
29.07 50km USA3rd Pikes Peak Ultra 50 km 7:34:53 h34
25.03 50km USA4th Behind the Rocks 50km Race 6:39:56 h85