Kaori (浅原かおり) Asahara
Born : 1978 Cat. W45 Ultrarunner since 2015 JPN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
63
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
9,2%
Rank quotient ?This runner's calculation uses 52 eligible race(s): Σ(rank − 1) = 3 000; Σ finishers = 32 592. 3 000 / 32 592 × 100 = 9.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed52
Km — ultra races5 314 km
> 100 km20
> 160 km14
Longest race170,0 km

Km per year (ultra races)

328
2 races
2022
672
5 races
2023
161
1 race
2024
647
5 races
2025
90
1 race
2026

Race types (share of distance)

Road1,9%
Trail98,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F7
🏅 Top 30
🏅 Top 3 F28
Longest winning streak0
Current streak0

HISTORY

52 race(s)
DateRacePerf.Rk
2026
04.07 90km JPN5th Central Alps Skyline Japan 14:20:43 h28
2025
10.10 169km JPN5th Lake Biwa 100 39:22:50 h76
23.09 50km JPN2nd OSJ Ontake 50km 4:42:55 h42
14.09 100km JPN23th Tango 100 km Ultramarathon 11:42:42 h260
19.07 100mi JPN17th OSJ Ontake 100 Mile Ultra Trail 21:35:52 h58
25.04 167km JPN10th Ultra-Trail Mt. Fuji 31:28:37 h197
2024
13.07 100mi JPN16th OSJ Ontake 100 Mile Ultra Trail 23:18:51 h68
2023
10.12 70km JPN10th Izu Trail Journey 8:41:34 h86
05.11 108km JPN7th Koshu Alps Klesa 108 17:46:17 h12
06.10 169km JPN3rd Lake Biwa 100 41:23:39 h108
23.06 165km JPN2nd Deep Japan Ultra 100 - 165 km 39:01:10 h18
26.05 160km JPN2nd Tokyo Grand Trail - 100mi 38:47:39 h5
2022
21.05 100mi JPN7th Trainic World 100 Mile in Sai-No-Kuni 32:40:46 h43
22.04 167km JPN7th Ultra-Trail Mt. Fuji 27:35:24 h159
2021
12.12 69.1km JPN8th Izu Trail Journey 8:42:48 h119
20.11 106km JPN7th FunTrails100K Round 18:44:21 h54
07.11 67km JPN5th Koshu Alps Haute Route Challenge 11:20:16 h41
09.10 168.5km JPN7th OSJ Koumi 100 30:38:42 h71
2020
13.12 66km JPN7th Izu Trail Journey 8:09:07 h87
10.10 100mi JPN6th OSJ Koumi 100 30:56:09 h27
2019
08.12 71.7km JPN6th Izu Trail Journey 7:32:17 h42
03.11 67km JPN3rd Koshu Alps Haute Route Challenge 11:28:10 h18
14.09 100mi JPN11th Shinetsu Five Mountains Trail 100 mile 27:15:17 h69
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 11:23:08 h28
29.06 90km JPN9th Utsukushigahara 90 km Trail Run 14:35:42 h20
11.05 100mi JPN4th Trainic World 100 Mile in Sai-No-Kuni 33:07:16 h20
26.04 167km JPN6th Ultra-Trail Mt. Fuji 25:55:53 h27
2018
09.12 71.7km JPN5th Izu Trail Journey 8:21:37 h40
17.11 106km JPN4th FunTrails100K Round 18:19:23 h24
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 11:17:10 h71
22.09 129km JPN5th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 22:52:42 h31
30.06 80km JPN8th Utsukushigahara 80 km Trail Run 11:24:31 h17
12.05 50mi JPN4th Mt. Hiei Int. 50 Mile Trail Run 11:05:11 h11
27.04 170km JPN5th Ultra-Trail Mt. Fuji 26:30:40 h30
2017
10.12 71.7km JPN4th Izu Trail Journey 8:13:09 h30
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 10:42:25 h72
23.09 129km JPN4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 23:54:54 h54
15.07 65km JPN8th Nozawa Onsen 4100D Mountain Trail 9:38:46 h32
01.07 80km JPN7th Utsukushigahara 80 km Trail Run 9:05:53 h62
13.05 50km JPN3rd Mt. Hiei Int. 50 km Trail Run 7:20:01 h32
2016
11.12 71.7km JPN3rd Izu Trail Journey 8:52:49 h46
22.10 60km JPN3rd Shigakogen Extreme Trail 7:50:38 h23
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 10:32:09 h72
16.07 65km JPN7th Nozawa Onsen 4100D Mountain Trail 8:45:07 h25
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 11:43:04 h59
12.06 45.4km JPN9th Skyline Trail Sugadaira 5:45:18 h38
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 9:59:56 h103
26.09 76.7km JPN4th Shizuoka to Yamanashi 11:58:04 h49
13.09 53km JPN5th Hakuba Int. Trail Run 6:42:45 h80
29.08 62km JPN2nd Shigakogen Extreme Trail 15:19:50 h66
19.07 65km JPN6th Nozawa Onsen 4100D Mountain Trail 9:26:57 h31
12.04 63km JPN1st Okumikawa Power Trail 11:33:42 h171