Yuko (臼杵裕子) Usuki
ID 221887
Born : 1980 Cat. W45 Ultrarunner since 2011 JPN
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
17,3%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 1 591; Σ finishers = 9 204. 1 591 / 9 204 × 100 = 17.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races2 147 km
> 100 km3
> 24h3
Longest race158,4 km
12th 24-hour relay & solo marathon Miki — 6/7/2019

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road83,0%
Trail17,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F2
🏅 Top 30
🏅 Top 3 F7
Longest winning streak0
Current streak0

Records

100 km9h39'2724 h158,40 km

HISTORY

24 race(s)
DateRacePerf.Rk
2021
21.03 56km JPN24th Mt. Rocco Cannonball Run - 56 km Speed 7:23:17 h49
2020
18.10 56km JPN23th Mt. Rocco Cannonball Run - 56 km Speed 7:16:09 h35
2019
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 12:31:18 h175
06.07 24h JPN12th 24-hour relay & solo marathon Miki 158.400 km9
02.05 70km JPN27. Mukogawa Yurikamome Ultra Marathon 6:35:26 h75
21.04 100km JPN11th 100 km Ultra Maranic Osaka 10:16:52 h37
2018
04.08 24h JPN18th 24-hour relay & solo marathon Kobe 151.300 km26
03.05 70km JPN26. Mukogawa Yurikamome Ultra Marathon 6:17:26 h79
22.04 100km JPN10th 100 km Ultra Maranic Osaka 9:53:25 h32
2017
24.09 100km JPN20th Muraoka 100 km Ultra Marathon 11:06:03 h19
05.08 24h JPN17th 24-hour relay & solo marathon Kobe 149.600 km13
2016
11.09 100km JPN1st Koyasan and Ryujin-Onsen 100 km Ultra Marathon 10:42:50 h29
27.03 100km JPN2nd Osaka Yodogawa 100 km Ultra Marathon 9:39:27 h25
2015
27.09 66km JPN18th Muraoka 66 km Ultra Marathon 7:22:18 h15
29.08 100km JPNKISO Great Traverse 100 km Ultra Marathon 11:10:39 h47
26.07 100km JPN5th North Okhotsk 100 km Marathon 10:00:43 h39
03.05 70km JPN23. Mukogawa Yurikamome Ultra Marathon 6:55:07 h155
26.04 70km JPN7th 70 km Ultra Maranic Osaka 8:48:09 h90
2014
28.09 66km JPN17th Muraoka 66 km Ultra Marathon 8:19:09 h66
2013
29.09 66km JPN16th Muraoka 66 km Ultra Marathon 8:46:27 h124
2012
30.09 66km JPN15th Muraoka 66 km Ultra Marathon 9:13:16 h101
22.04 100km JPN22nd Fuji 5 Lakes 100 km Challenge 10:52:42 h209
2011
18.09 60km JPN11th Tango 60 km Ultramarathon 6:45:54 h84
30.04 72km JPN21st Fuji 5 Lakes 72 km Challenge 8:04:06 h82