Yuri (坂井優里) Sakai
ID 309998
Born : 1971 Cat. W55 Ultrarunner since 2012 JPN
34
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
2
Countries visited ?JPNJapanUSAUnited States
16,6%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 3 626; Σ finishers = 21 790. 3 626 / 21 790 × 100 = 16.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races3 566 km
> 100 km11
> 160 km6
> 200 km1
Longest race276,0 km
18th Nagasaki Tachibana Gulf Coast Super Maranic 276 — 23/11/2024

Km per year (ultra races)

2022
423
4 races
2023
625
4 races
2024
54
1 race
2025
2026

Race types (share of distance)

Road74,0%
Trail26,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F7
Longest winning streak0
Current streak0

Records

50 km4h53'30100 km8h49'1550 mi9h58'27100 mi25h26'44

HISTORY

34 race(s)
DateRacePerf.Rk
2025
01.06 53.7km JPN23rd Rishiri Island Ultra Marathon 6:12:28 h122
2024
23.11 276km JPN18th Nagasaki Tachibana Gulf Coast Super Maranic 276 2d 09:46:47 h20
14.09 122km JPN7th Utsukushima Fukushima Journey Run 122K 21:58:28 h30
02.06 53.7km JPN22th Rishiri Island Ultra Marathon 6:32:31 h124
04.05 173km JPN18th Nagasaki Tachibana Gulf Coast Super Maranic 173 30:38:44 h35
2023
28.10 147km JPN5th Autumn leaves in Okumusashi / Chichibu Journey run 23:51:21 h91
15.07 142km JPN7th Michinoku Tsugaru Journey Run 150K 23:53:29 h21
04.06 53.7km JPN21th Rishiri Island Ultra Marathon 6:08:26 h87
03.05 80km JPN17th Nagasaki Tachibana Gulf Coast Super Maranic 80 10:12:52 h39
2019
02.11 103km JPNTachibana Bay Coast 103 Ultra Marathon 14:15:57 h38
13.07 177km JPN4th Michinoku Tsugaru Journey Run 177K 35:37:15 h98
2018
24.06 50km JPN33. Lake Saroma 50 km Ultramarathon 7:54:08 h402
05.05 80km JPN12th Nagasaki Tachibana Gulf Coast Super Maranic 80 9:58:27 h32
2017
15.10 60km JPN23rd River Shimanto 60km 6:24:47 h89
11.06 50km JPN13th Iwate Ginga 50km Marathon Challenge 4:53:30 h55
2016
24.07 80km JPN4th Mt. Taisetsu Trail Journey 12:47:20 h59
26.06 100km JPN31. Lake Saroma 100 km Ultramarathon 10:45:19 h777
24.04 118km JPN26th Fuji 5 Lakes 118 km Challenge 13:55:57 h311
2015
08.11 50km JPN7th Kanna Mountain Run 7:33:24 h30
18.10 100km JPN21st River Shimanto 100km 9:37:46 h78
26.09 76.7km JPN4th Shizuoka to Yamanashi 13:16:49 h96
28.06 100km JPN30. Lake Saroma 100 km Ultramarathon 9:06:27 h196
29.03 100km JPN1st Osaka Yodogawa 100 km Ultra Marathon 9:12:14 h39
2014
19.10 100km JPN20th River Shimanto 100km 8:49:15 h32
20.09 66km JPN1st SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup 10:11:00 h46
23.08 100mi USA16th Cascade Crest Classic 100 Mile 26:07:59 h50
29.06 100km JPN29. Lake Saroma 100 km Ultramarathon 9:21:51 h124
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 32:34:55 h129
2013
07.09 100mi JPN2nd OSJ Yatsugatake Super Trail 100 miles race 25:26:44 h17
13.07 100km JPN6th OSJ Ontake 100km Ultra Trail 12:00:49 h45
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 9:40:00 h22
2012
21.09 100km JPN12th Tango 100 km Ultramarathon 11:07:08 h114
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 9:22:03 h198
20.05 71km JPN18th Yatsugatake Nobeyama 71 km 6:55:29 h14