Yusuke (山崎祐介) Yamazaki
ID 708422
Born : 1981 Cat. M45 Ultrarunner since 2015 JPN
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
1
Countries visited ?JPNJapan
22,6%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 4 814; Σ finishers = 21 301. 4 814 / 21 301 × 100 = 22.60%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 601 km
> 100 km6
> 160 km3
> 200 km3
Longest race230,0 km
13th Little Edo Oedo 230k — 11/3/2023

Km per year (ultra races)

388
4 races
2022
354
3 races
2023
2024
2025
2026

Race types (share of distance)

Road65,5%
Trail34,5%

Wins & podiums (ultra)

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

Records

50 km8h02'22100 km9h07'24

HISTORY

27 race(s)
DateRacePerf.Rk
2023
15.10 75km JPN1st Mina no Tenku Ultra Marathon 9:24:02 h28
02.07 8h JPN29th 8-Hour Endurance Race Tokorozawa - 3 tai 49.000 km36
11.03 230km JPN13th Little Edo Oedo 230k 28:51:57 h4
2022
20.11 63km JPN1. Minuma Challenge 60 6:17:48 h12
30.10 49.6km JPN10th Trainic world Ogose-Tokigawa Trail Run 50km 8:02:22 h67
02.10 45km JPN9th Trainic world Soto-Chichibu Trail Run 45km 8:14:22 h68
12.03 230km JPN12th Little Edo Oedo 230k 27:56:05 h3 🥉
2019
08.12 71.7km JPN6th Izu Trail Journey 8:57:39 h180
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 13:39:06 h151
23.06 72.6km JPN6. Spatrail - Shima to Kusatsu 72K 10:42:58 h161
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 11:56:53 h390
2018
09.12 71.7km JPN5th Izu Trail Journey 11:55:22 h606
09.09 51.4km JPN8th Hakuba Int. Trail Run 6:42:49 h76
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 12:04:45 h397
22.04 118km JPN28th Fuji 5 Lakes 118 km Challenge 12:46:35 h87
03.03 204km JPN8th Little Edo Oedo 200k 24:38:34 h8
2017
17.12 68km JPNCoast to Coast 70k Trail Run 8:24:01 h47
10.12 71.7km JPN4th Izu Trail Journey 10:32:20 h242
10.09 51.4km JPN7th Hakuba Int. Trail Run 7:10:08 h199
04.06 100km JPN5th Tokyo Shibamata 100 km 9:07:24 h60
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 13:18:27 h634
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 12:02:29 h62
2016
11.12 71.7km JPN3rd Izu Trail Journey 10:59:07 h316
05.06 100km JPN4th Tokyo Shibamata 100 km 9:44:06 h90
24.04 118km JPN26th Fuji 5 Lakes 118 km Challenge 11:51:31 h75
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 14:06:55 h728
06.06 100km JPN3rd Tokyo Shibamata 100 km 9:47:40 h114