Ryan Bulkoski
ID 99115
Born : 1984 Cat. M40 Ultrarunner since 2009 USA
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
4
Countries visited ?CANCanadaHKGHong KongSUISwitzerlandUSAUnited States
46,9%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 2 462; Σ finishers = 5 248. 2 462 / 5 248 × 100 = 46.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 298 km
> 100 km4
> 160 km4
Longest race160,9 km
44th Wasatch Front 100 Mile — 8/9/2023

Km per year (ultra races)

261
2 races
2022
161
1 race
2023
50
1 race
2024
55
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Records

50 km6h01'17100 km14h03'5150 mi10h24'23100 mi27h59'45

HISTORY

28 race(s)
DateRacePerf.Rk
2025
04.10 55km USA4th DC Peaks 55 km 8:53:00 h29
2024
11.05 50km USA2nd Salt Lake Foothill Trail Races 6:49:12 h50
2023
08.09 100mi USA44th Wasatch Front 100 Mile 32:34:05 h93
2022
19.08 100mi USA12th Kodiak 100 Mile Ultramarathon 31:09:27 h32
12.02 99.9km USA9th Black Canyon Trail 100 km Run 14:33:10 h253
2021
29.05 60km USA9th Bryce 60 km Trail Run 8:45:36 h54
2020
11.07 100km USA7th Beaverhead 100K Endurance Run 16:36:51 h64
2019
20.07 50km USA12th Speedgoat 50k 9:39:27 h123
13.04 50km USA8th The Zion 50 km Run 6:22:48 h77
2018
13.10 63km SUI13ème Les Défis du Jubilé 63 km 9:18:27 h43
24.02 50mi USA5th Antelope Canyon 50 Mile Race 10:25:33 h38
2017
28.10 70km HKG5th Lantau Trail race 70k 14:23:37 h113
2016
07.05 100km USA21st Miwok 100k Trail Race 14:03:51 h176
2015
01.08 93km USA1st Tushars 93km Mountain Runs 18:02:31 h35
2014
06.12 50mi USA8th Endurance Challenge - California Trail 50 Mile 10:30:06 h252
17.05 100mi USA1st Grand Canyon 100 Mile 27:59:45 h6
15.03 50km USA3rd Marin Ultra Challenge 50 km Race 6:01:17 h53
2013
07.12 50mi USA7th Endurance Challenge - California Trail 50 Mile 10:24:23 h140
01.09 50mi CAN2nd Meet Your Maker 50 Mile Ultra 13:52:05 h57
14.07 50mi USA6th Leadville Silver Rush 50 Mile Run 11:22:22 h247
02.06 50km USA13th Mount Diablo 50k 8:08:05 h9
20.04 50km USA5th Diablo Trails Challenge 6:51:04 h51
2012
21.07 100mi USA11th Tahoe Rim Trail 100M Endurance Run 33:04:49 h73
30.06 50km USA1st Marin Ultra Challenge 50 km Race 6:34:45 h30
21.03 50km USA4th Diablo Trails Challenge 7:56:46 h56
25.02 50km USA2nd Chabot Trail Run 6:12:04 h34
2011
03.12 50mi USA5th Endurance Challenge - California Trail 50 Mile 10:51:23 h172
2009
05.12 50mi USA3rd Endurance Challenge - California Trail 50 Mile 11:44:33 h130