Yuichiro (日高雄一郎) Hidaka
ID 367672
Born : 1979 Cat. M45 Ultrarunner since 2012 USA
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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 ?JPNJapanUSAUnited States
23,9%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 1 482; Σ finishers = 6 193. 1 482 / 6 193 × 100 = 23.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races3 828 km
> 100 km19
> 160 km19
Longest race160,9 km
33rd Hardrock Hundred Endurance Run — 10/7/2026

Km per year (ultra races)

226
2 races
2022
161
1 race
2023
161
1 race
2024
161
1 race
2025
161
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km3h59'1150 mi7h41'15100 mi20h30'44

HISTORY

31 race(s)
DateRacePerf.Rk
2026
10.07 100mi USA33rd Hardrock Hundred Endurance Run 46:15:40 h89
2025
28.06 100mi USA52nd Western States 100 Mile Endurance Run 23:48:09 h89
2024
14.06 100mi USA32nd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 29:15:47 h61
2023
18.06 100mi USA31st Bighorn Mountain Wild & Scenic 100 Mile Trail Run 30:20:58 h79
2022
17.07 65km JPN13th Nozawa Onsen 4100D Mountain Trail Pair 12:01:36 h7
17.06 100mi USA30th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 28:15:16 h33
2019
03.08 100mi USA32nd Angeles Crest 100 Mile 27:13:34 h42
14.06 100mi USA27th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 28:24:59 h42
2018
07.09 100mi USA39th Wasatch Front 100 Mile 30:27:03 h67
18.08 100mi USA36th Leadville Trail 100 Mile 26:28:46 h115
21.07 100mi USA30th Vermont 100 Mile Endurance Race 22:24:04 h83
23.06 100mi USA45th Western States 100 Mile Endurance Run 25:16:56 h135
12.05 53km USA1st Cloudcroft Ultra Run 6:44:38 h11
2017
15.07 100mi USA16th Tahoe Rim Trail 100M Endurance Run 30:18:07 h83
16.06 100mi USA25th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 28:43:17 h49
2016
16.07 100mi USA15th Tahoe Rim Trail 100M Endurance Run 28:49:12 h52
17.06 100mi USA24th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 27:18:38 h57
01.01 50km USA5th Foothills Fat Ass 6:19:16 h3 🥉
2015
18.07 100mi USA27th Vermont 100 Mile Endurance Race 22:20:46 h70
19.06 100mi USA23th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 28:14:05 h70
2014
19.07 100mi USA26th Vermont 100 Mile Endurance Race 20:30:44 h47
20.06 100mi USABighorn Mountain Wild & Scenic 100 Mile Trail Run 28:55:22 h65
15.02 50km USA19th Holiday Lake 50K++ 5:25:12 h10
2013
14.12 50mi USA6th Lookout Mountain 50 Mile Race 8:58:03 h20
23.11 50mi USA51st JFK 50 Mile 7:41:15 h52
03.08 50km USA5th Dahlgren Heritage Rail Trail 50K 3:59:11 h4
15.06 50mi USA2nd OSS/CIA 50 Mile Night Run 10:43:34 h5
01.06 50mi USA6th Endurance Challenge - Washington D.C. Trail 50 Miles 8:19:51 h14
09.02 50km USA18th Holiday Lake 50K++ 4:38:01 h31
12.01 50km USA4th Tsali Frosty Foot 50k 4:19:12 h11
2012
08.12 50mi USA2nd Table Rock 50 Mile Ultra 10:01:54 h17