Christopher Thomas
ID 643662
Born : 1968 Cat. M55 Ultrarunner since 2006 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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 ?FRAFranceMEXMexicoUSAUnited States
30,6%
Rank quotient ?This runner's calculation uses 54 eligible race(s): Σ(rank − 1) = 3 464; Σ finishers = 11 317. 3 464 / 11 317 × 100 = 30.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed54
Km — ultra races4 703 km
> 100 km8
> 160 km7
> 24h1
Longest race171,0 km
16ème Ultra Trail Tour du Mont Blanc (UTMB) — 31/8/2018

Km per year (ultra races)

330
4 races
2022
611
7 races
2023
441
4 races
2024
330
5 races
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

50 km4h44'51100 km11h18'0550 mi9h06'12100 mi22h16'2024 h48,28 km

HISTORY

54 race(s)
DateRacePerf.Rk
2025
18.10 100km USA5th Lake Sonoma 100K & 50K 18:47:49 h207
26.07 50km USA5th Lost Sierra Endurance Run 50km 6:01:45 h14
07.06 50mi USA40th Silver State 50 Mile 11:09:05 h12
10.05 50km USA5th Tiger Claw 7:32:41 h57
13.04 50km USA9th Napa Valley 50k Trail Race 7:14:22 h13
2024
11.10 100km USA14th Kodiak Ultra Marathons by UTMB - 100K 12:37:40 h49
20.07 50mi USA23th Tahoe Rim Trail 50M Endurance Run 11:42:07 h6
26.04 100mi USA11th The Canyons Endurance 100 Miles Run 24:22:25 h23
13.01 99.5km USA24th Bandera 100 km Endurance Run 12:45:39 h63
2023
03.11 93km MEX2nd Puerto Vallarta México by UTMB - 100K 14:50:13 h36
23.09 50km USA2nd Mammoth Trail Fest 6:26:51 h66
15.07 100mi USA22th Tahoe Rim Trail 100M Endurance Run 25:23:41 h11
17.06 46km USA8th The Broken Arrow Skyrace 6:03:05 h102
20.05 50mi USA38th Silver State 50 Mile 9:11:48 h8
08.04 50mi USA15th Lake Sonoma 50 Mile Race 10:11:31 h50
18.02 99.9km USA10th Black Canyon Trail 100 km Run 12:36:19 h172
2022
29.10 100km MEX1st Puerto Vallarta México by UTMB - 100K 20:05:59 h219
24.09 50km USA1st Mammoth Trail Fest 8:37:35 h150
21.05 50mi USA37th Silver State 50 Mile 10:51:31 h15
12.02 99.9km USA9th Black Canyon Trail 100 km Run 16:04:47 h353
2021
22.10 108.5km FRA14ème Festival des Templiers - Endurance Trail 17:35:34 h249
05.06 100km USA7th The Loco Go Big or Go Home Challenge 100K 12:03:14 h1 🏆
08.05 50km USA6th Paiute Meadows Trail Run 5:26:17 h13
2019
12.10 50mi USA1st Ultra Trail Lake Tahoe 50 Mile Race 14:02:00 h14
20.07 100mi USA18th Tahoe Rim Trail 100M Endurance Run 29:44:53 h72
27.04 100km USA6th The Canyons Endurance 100 km Run 13:34:36 h47
13.04 50mi USA11th Lake Sonoma 50 Mile Race 10:22:25 h102
23.03 35mi USA21st Santa Barbara Nine Trails 35 Mile Endurance Run 7:56:18 h45
16.02 60km USA6th Black Canyon Trail 60 km Run 5:34:26 h18
2018
01.12 100km USA5th San Joaquin River Trail 100K Run 11:45:32 h7
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 39:53:22 h727
02.06 100km USA4th The Loco Go Big or Go Home Challenge 100K 12:59:00 h2 🥈
19.05 50km USA16th Mount Diablo 50k 6:46:51 h6
07.04 50km USA2nd Napa Valley 50k Trail Race 6:18:41 h9
10.03 50mi USA7th Marin Ultra Challenge 50 Mile Race 9:34:45 h27
2017
09.09 100mi USA11th Headlands Hundred 100 Mile Endurance Run 23:00:00 h9
26.08 100km USA3rd Castle Peak 100 17:47:18 h42
14.07 100km USA7th Santa Barbara 100 km Endurance Race 17:29:16 h10
09.06 100mi USA16th San Diego 100 Mile Endurance Run 23:15:05 h15
13.05 100km USA34th Quicksilver 100 km Endurance Run 11:43:27 h12
06.05 100km USA22nd Miwok 100k Trail Race 11:18:05 h31
29.04 100km USA4th The Canyons Endurance 100 km Run 13:47:36 h39
2016
03.12 50mi USA10th Endurance Challenge - California Trail 50 Mile 9:06:12 h137
05.11 100mi USA16th Rio Del Lago 100 Mile Endurance Run 22:16:20 h29
01.10 50km USA1st Sugarhood 50km Race 6:45:38 h11
01.10 50km USA1st Sonoma ULTRA 50K 6:45:38 h11
27.08 100km USA2nd Castle Peak 100 14:46:11 h13
09.04 50mi USA8th Lake Sonoma 50 Mile Race 9:21:03 h83
12.03 50km USA5th Marin Ultra Challenge 50 km Race 4:44:51 h23
06.02 50km USA6th Golden Gate 50 km Winter Trail Run 5:06:03 h7
2015
29.08 50km USA5th Moebius Green Monster Trail 50K 5:46:27 h25
15.08 50km USA6th Redwood Summer Trail Run 6:58:02 h8
21.02 50km USA5th Montara Mountain 50 km Trail Run 5:46:12 h11
2006
15.04 24h USA3rd Virginia 24 Hour Run for Cancer 48.280 km37