James Rockwell
Born : 1981 Cat. M45 Ultrarunner since 2009 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
13,9%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 541; Σ finishers = 3 901. 541 / 3 901 × 100 = 13.87%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 642 km
> 100 km1
> 160 km1
Longest race160,9 km

Km per year (ultra races)

110
2 races
2022
2023
2024
211
2 races
2025
2026

Race types (share of distance)

Road9,1%
Trail90,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 33
🏅 Top 3 M3
Longest winning streak0
Current streak0

HISTORY

27 race(s)
DateRacePerf.Rk
2025
08.11 50km USA18th Upchuck 50K Trail Running Race 6:05:00 h15
19.09 100mi USA15th The Georgia Jewel 100 Mile Run 25:38:43 h3 🥉
2022
12.11 50km USA15th Upchuck 50K Trail Running Race 6:41:36 h44
29.07 60km USA8th Never Summer 60k 10:07:06 h96
2021
13.11 50km USA14th Upchuck 50K Trail Running Race 5:40:16 h13
2020
05.12 100km USA3rd Rock/Creek Stillhouse 100 km Race 15:45:31 h6
2019
26.01 50km USA25th Mountain Mist 50k 5:48:57 h63
2018
10.11 50km USA11th Upchuck 50K Trail Running Race 5:38:32 h9
11.08 50mi USA7th H9 Dragon 50 Miler 13:43:00 h6
2017
11.11 50km USA10th Upchuck 50K Trail Running Race 5:48:33 h14
23.09 50mi USA7th The Georgia Jewel 50 Mile Run 9:35:54 h2 🥈
2016
12.11 50km USA9th Upchuck 50K Trail Running Race 5:41:28 h23
01.10 50km USA15th Rock/Creek StumpJump 50K 6:07:42 h19
2015
23.02 45km TPE1st Beipu Ultramarathon 5:24:00 h3 🥉
2014
08.11 50km TPE1st MSIG Taiwan Action Asia 50 7:26:00 h7
23.02 54km TPE2nd Zhenxibao (Cinsbu) 54 km Ultramarathon 5:13:22 h17
2013
23.02 50km USA8th Mount Cheaha 50K UltraMarathon Race 5:42:42 h17
2012
17.11 50km USA2nd Duncan Ridge Trail 50 km Race 7:40:23 h19
2011
17.12 50mi USA4th Lookout Mountain 50 Mile Race 9:16:43 h22
19.11 50km USA1st Duncan Ridge Trail 50 km Race 7:19:43 h9
29.10 50km USA8th Pumpkin Butt 5:44:04 h4
16.04 50km USA5th SweetH2O 50 km 5:56:49 h27
2010
16.10 50km USA1st Endurance Challenge - Georgia Trail 50 km 6:18:40 h21
02.10 50km USA9th Rock/Creek StumpJump 50K 5:52:22 h56
2009
21.11 50mi USA6th Dizzy Fifties - 50 Mile Trail Run 9:38:49 h8
30.05 50km USA3rd SweetH2O 50 km 5:24:03 h21
28.02 50km USA4th Mount Cheaha 50K UltraMarathon Race 6:05:25 h24