Joseph Nah
ID 763360
Born : 1971 Cat. M55 Ultrarunner since 2015 USA
49
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
3
Countries visited ?ITAItalyKORSouth KoreaUSAUnited States
56,8%
Rank quotient ?This runner's calculation uses 49 eligible race(s): Σ(rank − 1) = 6 426; Σ finishers = 11 314. 6 426 / 11 314 × 100 = 56.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed49
Km — ultra races3 883 km
> 100 km10
> 160 km6
Longest race170,6 km
11th Cruel Jewel 100 Mile — 19/5/2023

Km per year (ultra races)

362
4 races
2022
560
6 races
2023
373
5 races
2024
80
1 race
2025
211
2 races
2026

Race types (share of distance)

Road3,4%
Trail96,6%

Records

50 km4h52'25100 km17h23'2950 mi9h49'59100 mi23h38'13

HISTORY

49 race(s)
DateRacePerf.Rk
2026
25.04 100mi USA14th C&O Canal 100 Mile 23:38:13 h64
07.03 50km USA21st Seneca Creek Greenway Trail 50k 7:01:29 h94
2025
08.11 50mi USA16th Stone Mill 50 Mile Run 12:24:09 h142
2024
09.11 50mi USA15th Stone Mill 50 Mile Run 14:45:55 h190
12.10 100km KOR11th TransJeju by UTMB 100 26:28:14 h705
04.05 50km USA9th Grayson Highlands 50km Race 8:42:07 h176
06.04 50mi USA30th Bull Run Run 50 Miler 12:32:26 h124
03.02 9h USA2nd Froggy Hollow 9h 62.281 km24
2023
11.11 50mi USA14th Stone Mill 50 Mile Run 13:36:55 h154
28.10 159.2km USA21st Javelina Jundred 100 Mile Endurance Run 27:53:18 h390
08.07 50km USA28th Catoctin 50k Trail Run 8:39:00 h61
19.05 106mi USA11th Cruel Jewel 100 Mile 45:08:25 h99
22.04 50km USA23th Promise Land 50K++ 7:31:27 h137
11.03 50km USA18th Seneca Creek Greenway Trail 50k 5:52:06 h18
2022
26.08 101km ITA16ème Courmayeur-Champex-Chamonix 24:42:05 h1447
09.07 50km USA27th Catoctin 50k Trail Run 7:50:19 h61
14.05 100mi USA28th Massanutten Mountain Trails 100 Mile 33:57:14 h74
26.02 50km USA12th Hashawha Hills 50 km Trail Run 7:09:41 h59
2021
06.11 100mi USA2nd Rim to River 100 Mile Race 30:01:07 h111
17.09 100mi USA13th Grindstone 100 Mile 35:17:55 h118
14.08 50km USA14th Martha Moats Baker Memorial 50k 10:44:00 h33
24.07 50km USA9th Catherine's 50k Run 8:30:00 h46
10.07 50km USA26th Catoctin 50k Trail Run 8:05:41 h76
20.03 50km USA14th Terrapin Mountain 50 km Race 6:26:51 h77
13.02 50km USA26th Holiday Lake 50K++ 6:34:48 h55
17.01 50km USA6th Waterfall 50km 8:45:00 h23
2019
09.11 50mi USA10th Stone Mill 50 Mile Run 11:25:01 h98
27.10 50km USA1st Marine Corps 50km Marathon Race 4:52:25 h158
20.07 50km USA24th Catoctin 50k Trail Run 8:32:31 h44
08.06 70.5mi USA40th Laurel Highlands 70 Mile Ultra 19:45:33 h72
13.04 52mi USA3rd Blue Ridge Double Marathon 10:27:52 h13
02.03 50km USA15th Seneca Creek Greenway Trail 50k 5:55:23 h23
2018
08.12 100km USA16th Hellgate 100 km 17:23:29 h109
03.11 50mi USA36th Mountain Masochist 50 Mile Trail Run 11:33:12 h129
05.10 100mi USA10th Grindstone 100 Mile 32:54:50 h127
04.08 50km USA10th Dahlgren Heritage Rail Trail 50K 5:02:14 h10
14.07 50km USA23rd Catoctin 50k Trail Run 7:45:51 h46
28.04 50km USA18th Promise Land 50K++ 7:03:40 h83
24.03 50km USA11th Terrapin Mountain 50 km Race 6:35:08 h68
17.02 50km USA23rd Holiday Lake 50K++ 5:47:28 h60
2017
18.11 50mi USA55th JFK 50 Mile 9:49:59 h252
05.08 50km USA9th Dahlgren Heritage Rail Trail 50K 5:12:08 h21
22.07 50km USA6th Catherine's 50k Run 7:01:00 h19
10.06 70.5mi USA38th Laurel Highlands 70 Mile Ultra 18:58:10 h73
13.05 100km USA7th Ultra Race of Champions (UROC) 100K 18:00:00 h49
04.03 50km USA13th Seneca Creek Greenway Trail 50k 5:28:05 h20
2016
12.11 50mi USA7th Stone Mill 50 Mile Run 11:18:55 h109
22.10 50km USA3rd Patapsco Valley 50K 7:14:28 h117
2015
14.11 50mi USA6th Stone Mill 50 Mile Run 12:11:13 h217