Christopher Roberts
ID 670234
Born : 1985 Cat. M40 Ultrarunner since 2015 USA
53
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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 ?TPETaiwanUSAUnited States
6,4%
Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 577; Σ finishers = 9 005. 577 / 9 005 × 100 = 6.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed69
Km — ultra races9 397 km
> 100 km33
> 160 km32
> 200 km9
> 24h11
> 48h4
Longest race563,3 km
10th Big Dog's Backyard Ultra — 16/10/2021

Km per year (ultra races)

663
3 races
2022
969
5 races
2023
1 162
6 races
2024
905
6 races
2025
372
3 races
2026

Race types (share of distance)

Road8,7%
Trail65,4%
Elim.20,8%
?5,1%

Wins & podiums (ultra)

🏆 Win9
🏆 Win M10
🏅 Top 329
🏅 Top 3 M30
Longest winning streak2
Current streak0

Records

50 km4h04'39100 km11h31'1250 mi7h16'30100 mi17h06'4824 h242,18 kmBackyard84 loops

HISTORY

71 race(s) · 3 split(s) nested
DateRacePerf.Rk
2026
11.09 100mi USA47th Wasatch Front 100 Mile 27:56:46 h33
25.04 50km USA26th Promise Land 50K++ 5:32:02 h19
17.01 100mi USA6th The Shippey 100mi Endurance Runs 18:45:51 h1 🏆
2025
13.12 100km USA23rd Hellgate 100 km 12:35:19 h7
25.10 100mi USA17th Ozark Trail 100 Mile Endurance Run 19:23:20 h1 🏆
11.10 100mi USA26th Heartland 100 Mile Race 17:19:17 h1 🏆
11.07 100mi USA32nd Hardrock Hundred Endurance Run 32:26:52 h17
28.06 100mi USA52nd Western States 100 Mile Endurance Run 20:05:51 h34
18.01 100mi USA5th The Shippey 100mi Endurance Runs 22:30:44 h1 🏆
2024
07.12 100km USA22nd Hellgate 100 km 11:31:12 h6
19.10 Backyard Ultra USA13th Big Dog's Backyard Ultra 375.536 km (56h)10
20.09 100mi USA16th Grindstone 100 Mile 23:06:25 h4
15.06 24h USA7th Six Days in the Dome - The Redux 24h 240.786 km1 🏆
14.04 50km USA26th Double Chubb 50k 4:13:05 h2 🥈
20.01 36h USA1st The Conquer 234.710 km2 🥈
2023
09.12 100km USA21st Hellgate 100 km 11:49:56 h12
01.12 24h TPEIAU 24h WC Taipei (all races combined) 232.749 km55
01.12 12h TPEIAU 24h WC Taipei - 12h Split 128.000 km85
01.12 100mi TPEIAU 24h WC Taipei - 100mi Split 15:37:05 h73
01.12 24h TPEIAU 24h WC Taipei 232.749 km53
16.06 24h USA6th Six Days in the Dome - The Redux 24h 242.181 km2 🥈
14.01 100mi USA3rd The Shippey 100mi Endurance Runs 20:39:50 h1 🏆
2022
10.12 100km USA20th Hellgate 100 km 11:36:27 h7
15.10 Backyard Ultra USA11th Big Dog's Backyard Ultra 402.360 km (60h)8
17.06 100mi USA30th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 26:47:20 h19
2021
11.12 100km USA19th Hellgate 100 km 11:54:39 h8
16.10 Backyard Ultra USA10th Big Dog's Backyard Ultra 563.304 km (84h)2 🥈
25.06 100mi USA11th Black Hills 100 Mile Run 21:50:38 h2 🥈
29.05 Backyard Ultra USA2nd Capital Backyard Ultra 375.536 km (56h)2 🥈
15.05 50mi USA22nd Berryman 50 Mile 8:00:53 h3 🥉
2020
12.12 100km USA18th Hellgate 100 km 11:36:26 h4
08.02 9h USA3rd Beulah Challenge 9 Hour Race 48.441 km24
2019
14.12 100km USA17th Hellgate 100 km 12:30:18 h5
04.10 100mi USA11th Grindstone 100 Mile 19:47:43 h2 🥈
03.08 30mi USA5th Jarmans Invitational Marathon 5:26:36 h3 🥉
01.06 100mi USA41st Old Dominion 100 Mile Endurance Run 18:06:56 h3 🥉
12.04 100mi USA2nd The Hellbender One Hundred 22:13:31 h2 🥈
19.01 100mi USA19th HURT 100 Endurance Run 100 Mile 24:21:20 h5
2018
08.12 100km USA16th Hellgate 100 km 11:34:12 h4
03.11 50mi USA36th Mountain Masochist 50 Mile Trail Run 7:43:20 h2 🥈
05.10 100mi USA10th Grindstone 100 Mile 22:19:05 h6
14.07 24h USA1st Ethan Allen 24 Hour Run 178.837 km2 🥈
09.06 50mi USA7th OSS/CIA 50 Mile Night Run 8:39:56 h3 🥉
19.05 24h USA10th 3 Days at the Fair 24 Hour Race 173.809 km2 🥈
28.04 50km USA18th Promise Land 50K++ 5:08:55 h3 🥉
24.03 50km USA11th Terrapin Mountain 50 km Race 4:40:32 h4
17.02 50km USA23rd Holiday Lake 50K++ 4:26:36 h11
03.02 8h USA13th 8 Hour Adventure Trail Run 84.812 km1 🏆
2017
09.12 100km USA15th Hellgate 100 km 12:21:49 h6
11.11 50mi USA8th Stone Mill 50 Mile Run 7:21:41 h1 🏆
06.10 100mi USA9th Grindstone 100 Mile 20:02:57 h5
15.07 100mi USA29th Vermont 100 Mile Endurance Race 17:06:48 h6
29.04 50km USA17th Promise Land 50K++ 5:14:53 h11
01.04 68mi USA5th Georgia Death Race 14:24:55 h12
11.02 50km USA22nd Holiday Lake 50K++ 4:04:39 h7
2016
10.12 100km USA14th Hellgate 100 km 12:39:46 h9
05.11 50mi USA34th Mountain Masochist 50 Mile Trail Run 8:58:10 h29
07.10 100mi USA8th Grindstone 100 Mile 21:19:56 h5
24.07 50km USA8th Rosaryville 50 km Trail Run 4:08:05 h2 🥈
25.06 100mi USA43rd Western States 100 Mile Endurance Run 18:45:07 h19
30.04 50km USA16th Promise Land 50K++ 5:15:01 h8
09.04 50mi USA24th Bull Run Run 50 Miler 7:16:30 h3 🥉
19.03 50km USA9th Terrapin Mountain 50 km Race 4:45:33 h3 🥉
13.02 50km USA21st Holiday Lake 50K++ 4:07:59 h11
06.02 8h USA11th 8 Hour Adventure Trail Run 81.754 km1 🏆
2015
12.12 100km USA13th Hellgate 100 km 14:03:16 h27
02.10 100mi USA7th Grindstone 100 Mile 24:10:55 h16
01.08 30mi USA2nd Jarmans Invitational Marathon 6:01:10 h16
19.07 50km USA7th Rosaryville 50 km Trail Run 5:11:50 h6
13.06 50mi USA4th OSS/CIA 50 Mile Night Run 10:13:39 h3 🥉
18.04 50mi USA8th Endurance Challenge - Washington D.C. Trail 50 Miles 9:22:24 h41