Tsutomu (桜井努) Sakurai
Born : 1972 Cat. M50 Ultrarunner since 2013 JPN
26
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
1
Countries visited ?JPNJapan
55,4%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 10 652; Σ finishers = 19 242. 10 652 / 19 242 × 100 = 55.36%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races3 108 km
> 100 km13
> 160 km3
> 200 km3
Longest race251,0 km

Km per year (ultra races)

100
1 race
2022
2023
2024
2025
2026

Race types (share of distance)

Road81,3%
Trail18,7%

HISTORY

26 race(s)
DateRacePerf.Rk
2022
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 13:51:52 h920
2021
30.10 146km JPN3rd Autumn leaves in Okumusashi / Chichibu Journey run 23:28:39 h150
2020
24.10 146km JPN2nd Autumn leaves in Okumusashi / Chichibu Journey run 22:59:44 h114
20.09 127km JPN3rd Utsukushima Fukushima Journey Run 127K 19:56:39 h64
22.08 101km JPN8th World Cultural Heritage "Fuji" Foot Race 17:46:39 h89
22.02 206km JPN10th Little Edo Oedo 205k 34:23:30 h159
2019
02.11 145km JPN1st Autumn leaves in Okumusashi / Chichibu Journey run 21:50:19 h61
14.09 251km JPN2nd Utsukushima Fukushima Journey Run 250K 43:50:42 h25
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 15:10:40 h91
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 12:43:43 h667
23.02 204km JPN9th Little Edo Oedo 200k 33:26:23 h133
2018
19.08 101km JPN6th World Cultural Heritage "Fuji" Foot Race 12:21:00 h19
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:56:29 h1525
2017
20.08 97km JPN5th World Cultural Heritage "Fuji" Foot Race 12:16:00 h24
04.06 78km JPN24. Ultramarathon Okumusashi 9:37:30 h693
2016
05.06 78km JPN23. Ultramarathon Okumusashi 9:20:59 h614
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 13:14:26 h795
2015
20.09 153km JPN18th Karisakatoge beyond Chichibu Run 23:57:25 h96
23.08 97km JPN3rd World Cultural Heritage "Fuji" Foot Race 13:59:00 h50
22.06 77km JPN22. Ultramarathon Okumusashi 9:51:08 h813
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 12:43:20 h624
19.04 118km JPN25th Fuji 5 Lakes 118 km Challenge 14:40:29 h504
2014
14.09 110km JPN6th Shinetsu Five Mountains Trail 110km 19:04:33 h244
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 13:17:48 h715
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 14:46:57 h698
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 13:28:26 h791