Ayako (湯浅綾子) Yuasa
ID 287451
Born : 1979 Cat. W45 Ultrarunner since 2012 JPN
44
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
56
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
3
Countries visited ?INAIndonesiaJPNJapanSUISwitzerland
21,8%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 4 570; Σ finishers = 20 988. 4 570 / 20 988 × 100 = 21.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races4 630 km
> 100 km14
> 160 km8
> 200 km2
Longest race438,0 km
1st Shiga 1 Round Trail — 30/4/2022

Km per year (ultra races)

638
3 races
2022
100
1 race
2023
521
2 races
2024
430
3 races
2025
162
1 race
2026

Race types (share of distance)

Road23,9%
Trail76,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F2
🏅 Top 30
🏅 Top 3 F18
Longest winning streak0
Current streak0

Records

50 km6h09'15100 km9h29'0650 mi13h45'46100 mi26h03'00

HISTORY

44 race(s)
DateRacePerf.Rk
2026
02.05 162km INA12th Mt Rinjani Ultra - 162km 2d 06:39:11 h21
2025
10.10 169km JPN5th Lake Biwa 100 36:07:10 h42
17.05 100km INA11th Mt Rinjani Ultra - 100 km 33:45:53 h13
22.03 100mi JPN5th Nagano Grand Circle 26:03:00 h7
2024
01.09 360km SUISwissPeaks 360 5d 09:59:04 h51
16.03 100mi JPN4th Nagano Grand Circle 36:56:07 h23
2023
05.02 100km JPN2nd Amami yori yori Run 11:38:14 h6
2022
15.10 100km JPN5th Iki 100 km Ultra Marathon 11:24:48 h45
30.04 438km JPN1st Shiga 1 Round Trail 7d 11:02:50 h24
13.03 100km JPN4th Ibaraki 100k Ultra Marathon 11:33:36 h129
2021
01.10 167km JPN1st Lake Biwa 100 2d 01:44:23 h66
28.08 75km JPN1st Okushinano 100 - 75 km 12:54:31 h254
25.04 100km JPN6th Tokyo Ultra Marathon - 100 km 11:44:06 h52
2020
12.01 100km JPN5th Yakushima Ultramarathon 100 km 11:26:12 h17
2019
19.10 51.4km JPN10th Inagawa 100km Ultra-Marathon 4:47:32 h23
29.06 80km JPN9th Utsukushigahara 80 km Trail Run 13:45:46 h169
11.05 121km JPN3rd Aso Round Trail 26:54:46 h164
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 14:56:05 h344
12.05 108.7km JPN2nd Aso Round Trail 18:18:14 h19
2017
07.10 100mi JPN4th OSJ Koumi 100 30:59:43 h41
17.09 52km JPN9th Shinetsu Five Mountains Trail 110km 5:58:01 h65
27.05 50km JPN9th OSJ Okukuji Trail 50k 9:59:28 h42
29.04 49km JPN10th Ishioka Trail Run 5:20:04 h25
15.01 100km JPN27th Miyako 100 km Ultramarathon 9:29:06 h23
2016
20.11 50km JPN1st Minami Alps Mountain Marathon 6:09:15 h39
11.09 53km JPN6th Hakuba Int. Trail Run 6:41:20 h59
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 15:57:49 h513
22.05 77km JPN21th Saba Highway Ultramarathon 8:34:59 h43
29.04 49km JPN9th Ishioka Trail Run 5:42:34 h44
24.04 70km JPN2nd Okumikawa Power Trail 9:45:30 h72
2015
20.12 60km JPNCoast to Coast Boso - Odan 60k 8:16:42 h28
17.10 112km JPN13th Mt. Rocco Cannonball Run - 112 km Power 17:11:00 h23
22.09 110km JPN7th Shinetsu Five Mountains Trail 110km 15:49:35 h105
13.09 53km JPN5th Hakuba Int. Trail Run 6:19:10 h40
15.03 72km JPN2nd Izu Trail Journey 9:55:04 h145
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 11:36:20 h267
14.09 53km JPN4th Hakuba Int. Trail Run 6:27:01 h29
30.08 63km JPN1st Shigakogen Extreme Trail 15:29:32 h124
27.07 77km JPN21. Ultramarathon Okumusashi 8:05:56 h104
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 12:51:16 h392
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 19:07:35 h232
28.07 77km JPN20. Ultramarathon Okumusashi 7:48:00 h153
10.03 72km JPN1st Izu Trail Journey 10:24:02 h258
2012
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 13:40:48 h279