Josh Bonkowsky
Born : 1970 Cat. M55 Ultrarunner since 2015 USA
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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 ?FRAFranceUSAUnited States
63,1%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 5 121; Σ finishers = 8 111. 5 121 / 8 111 × 100 = 63.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 868 km
> 100 km7
> 160 km7
Longest race170,0 km

Km per year (ultra races)

410
5 races
2022
188
3 races
2023
180
3 races
2024
241
2 races
2025
311
4 races
2026

Race types (share of distance)

Trail100,0%

HISTORY

33 race(s)
DateRacePerf.Rk
2026
29.08 50km USA11th Continental Divide Trail Run 7:50:45 h111
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 11:20:07 h278
20.06 50mi USA32nd San Juan Solstice 50 Mile Run 15:04:38 h184
25.04 100km USA13th The Canyons Endurance 100 km Run 17:11:01 h362
2025
12.09 100mi USA19th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 31:19:57 h132
21.06 50mi USA31st San Juan Solstice 50 Mile Run 14:53:37 h185
2024
22.06 50mi USA30th San Juan Solstice 50 Mile Run 15:49:19 h231
25.05 50km USA3rd Connor's Claims 50 km Ultra 8:22:29 h15
29.03 50km USA19th Antelope Island Buffalo Run 50 km 6:15:26 h32
2023
28.07 60km USA11th Standhope Ultra Challenge 12:56:55 h60
24.06 50mi USA29th San Juan Solstice 50 Mile Run 15:23:17 h167
15.04 48km USA20th Desert Rats Trail Running Festival 50 km 6:37:28 h151
2022
04.11 50km USA11th Antelope Island Fall Classic 50K 5:38:06 h34
26.08 170km FRA19ème Ultra Trail Tour du Mont Blanc 42:44:11 h1207
23.07 60km USA10th Standhope Ultra Challenge 11:34:23 h44
04.06 50mi USA9th Scout Mountain 50 Miles Ultra Trail 14:49:30 h59
25.03 50km USA17th Antelope Island Buffalo Run 50 km 6:26:38 h20
2021
24.09 100mi USA23rd The Bear 100 Mile Endurance Run 29:33:14 h84
05.06 50mi USA8th Scout Mountain 50 Miles Ultra Trail 11:30:08 h10
13.02 55km USA15th Moab Red Hot 55k 6:44:13 h64
2020
25.09 100mi USA22nd The Bear 100 Mile Endurance Run 33:49:09 h163
05.09 65km USA7th Grand Traverse Mountain Run 14:29:21 h160
15.02 55km USA14th Moab Red Hot 55k 6:51:33 h92
2019
13.09 100mi USA13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 34:25:56 h134
31.08 65km USA6th Grand Traverse Mountain Run 10:40:57 h179
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 11:20:07 h276
2018
14.09 100mi USA12th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 35:40:26 h155
02.06 50mi USA22nd Snow Peaks 50 Mile Trail Run 14:26:02 h202
2017
19.08 100mi USA35th Leadville Trail 100 Mile 29:02:45 h185
05.08 60km USA5th Standhope Ultra Challenge 10:58:09 h23
03.06 50mi USA21st Snow Peaks 50 Mile Trail Run 13:21:09 h96
18.03 50km USA12th Antelope Island Buffalo Run 50 km 6:02:09 h25
2015
15.08 60km USA3rd Standhope Ultra Challenge 10:29:00 h34