Hirotaka (笠島浩孝) Kasashima
Born : 1960 Cat. M65 Ultrarunner since 2012 JPN
29
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
11,2%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 1 618; Σ finishers = 14 477. 1 618 / 14 477 × 100 = 11.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races1 985 km
> 100 km1
Longest race103,0 km

Km per year (ultra races)

202
4 races
2022
101
2 races
2023
152
3 races
2024
100
2 races
2025
2026

Race types (share of distance)

Road53,0%
Trail47,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

29 race(s)
DateRacePerf.Rk
2025
02.11 50km JPN11th Nakanoto Treasure Trail Run Festival 6:46:48 h42
07.09 50km JPN14th Hakuba Int. Trail Run 7:35:22 h80
2024
20.10 54km JPN10th Shigakogen Extreme Trail 9:56:31 h52
08.09 50km JPN13th Hakuba Int. Trail Run 7:29:34 h79
15.06 48km JPN3rd KTF Trail running race - Rockin Bear 6:24:56 h95
2023
04.11 50km JPN10th Nakanoto Treasure Trail Run Festival 6:29:55 h13
09.04 51.4km JPN1st AYABE Trailrun 7:39:32 h120
2022
23.10 54km JPN9th Shigakogen Extreme Trail 9:09:18 h36
04.09 50km JPN11th Hakuba Int. Trail Run 7:23:02 h91
25.06 48km JPN1st KTF Trail running race - Rockin Bear 6:01:55 h27
11.06 50km JPN2nd Okushinano 100 - 50 km 6:52:04 h16
2021
07.11 50km JPN8th Nakanoto Treasure Trail Run Festival 6:37:30 h55
25.09 54km JPN8th Shigakogen Extreme Trail 9:56:07 h111
2019
03.11 50km JPN6th Nakanoto Treasure Trail Run Festival 6:04:46 h32
20.10 100km JPN25th River Shimanto 100km 10:05:02 h129
06.10 73km JPN5th Gasando Trail running race 11:15:11 h42
2018
04.11 50km JPN5th Nakanoto Treasure Trail Run Festival 6:05:37 h17
21.10 100km JPN24th River Shimanto 100km 9:59:36 h153
2017
05.11 50km JPN4th Nakanoto Treasure Trail Run Festival 6:07:00 h6
15.10 100km JPN23rd River Shimanto 100km 9:35:30 h101
2016
06.11 50km JPN3rd Nakanoto Treasure Trail Run Festival 6:09:43 h13
09.10 100km JPN11th Echigo Kubikino 100km Ultramarathon 9:43:02 h96
2015
18.10 100km JPN21st River Shimanto 100km 9:24:34 h58
13.09 50km JPN3rd 50 km Ultramarathon Hakusan-Shirakawago 4:18:32 h20
2014
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 9:13:51 h57
10.05 103km JPN3rd Tojinbo 103 km Ultramarathon 9:48:23 h3 🥉
2013
20.10 100km JPN19th River Shimanto 100km 9:38:27 h84
11.05 100km JPN2nd Tojinbo 100 km Ultramarathon 11:06:36 h12
2012
15.09 100km JPN1st Tojinbo 100 km Ultramarathon 10:57:05 h7