Chiharu (芦澤千春) Ashisawa
ID 288189
Born : 1980 Cat. W45 Ultrarunner since 2012 JPN
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
49
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
87,5%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 18 985; Σ finishers = 21 698. 18 985 / 21 698 × 100 = 87.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 906 km
> 100 km4
Longest race115,0 km
14th Oedo Night run 115k — 9/3/2024

Km per year (ultra races)

391
4 races
2022
269
3 races
2023
215
2 races
2024
290
3 races
2025
162
2 races
2026

Race types (share of distance)

Road84,8%
Trail15,2%

Records

100 km13h10'23

HISTORY

32 race(s)
DateRacePerf.Rk
2026
17.05 100km JPN32th Yatsugatake Nobeyama 100 km 13:54:37 h1228
01.02 62km JPN4. Minuma Challenge 60 7:37:21 h57
2025
18.05 100km JPN31th Yatsugatake Nobeyama 100 km 13:49:58 h1034
12.04 100km JPN4th Yagurazawa Round Trip Pre-Tournament 16:50:34 h17
15.03 90km JPN15th Little Edo 90k 11:59:24 h37
2024
19.05 100km JPN30th Yatsugatake Nobeyama 100 km 14:00:57 h1128
09.03 115km JPN14th Oedo Night run 115k 18:54:45 h92
2023
11.11 78km JPN10th Michikusa-Ultra, Minamiizu 78 km 12:18:09 h174
18.08 101km JPN10th World Cultural Heritage "Fuji" Foot Race 16:43:50 h131
11.03 90km JPN13th Little Edo 90k 12:17:46 h35
2022
20.08 101km JPN9th World Cultural Heritage "Fuji" Foot Race 16:54:09 h112
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 14:15:51 h1088
17.04 100km JPN32th Fuji 5 Lakes 100 km Challenge 13:10:23 h797
12.03 90km JPN12th Little Edo 90k 13:05:28 h29
2021
27.02 91km JPN11th Little Edo 91k 12:19:36 h22
2020
22.02 91km JPN10th Little Edo 91k 13:15:03 h53
2019
07.10 100km JPN1st Fuji 4 Lakes 100 km Autumn Challenge 14:02:24 h507
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 19:13:32 h814
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 13:54:00 h1465
2018
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:55:55 h1510
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 13:42:19 h1097
2017
27.08 48km JPN4th Tsukuba Renjyo 48 km Road & Trail Run 7:31:30 h139
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 13:33:53 h1080
04.03 113km JPN7th Oedo Night run 113k 18:42:37 h101
2016
28.08 48km JPN3rd Tsukuba Renjyo 48 km Road & Trail Run 7:26:15 h150
02.07 45km JPN6th Utsukushigahara 45 km Trail Run 8:07:42 h246
24.04 100km JPN26th Fuji 5 Lakes 100 km Challenge 13:45:37 h1106
2015
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 13:54:19 h1359
19.04 71km JPN25th Fuji 5 Lakes 71 km Challenge 9:59:44 h557
2014
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 13:59:39 h1283
2012
06.10 100km JPN9th Echigo Kubikino 100km Ultramarathon 13:25:55 h1081
22.04 72km JPN22nd Fuji 5 Lakes 72 km Challenge 10:06:07 h488