Takeru (保坂建) Hosaka
ID 2010897
Born : 1996 Cat. M23 Ultrarunner since 2023 JPN
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
35,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 210; Σ finishers = 3 449. 1 210 / 3 449 × 100 = 35.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed9
Km — ultra races574 km
> 100 km1
Longest race118,0 km
34th Fuji 5 Lakes 118 km Challenge — 21/4/2024

Km per year (ultra races)

2022
51
1 race
2023
370
5 races
2024
101
2 races
2025
51
1 race
2026

Race types (share of distance)

Road20,6%
Trail79,4%

Records

50 km7h31'06100 km24h07'10

HISTORY

9 race(s)
DateRacePerf.Rk
2026
10.05 51km JPN7th FunTrails Round Minano 10:02:49 h377
2025
15.11 50km JPN11th FunTrails50K Round 7:31:06 h39
05.10 51.4km JPN13th Trainic world Ogose-Tokigawa Trail Run 50km 8:20:05 h60
2024
01.12 50km JPN11th Trainic world Soto-Chichibu Trail Run 50km 9:50:47 h111
16.11 100km JPN10th FunTrails100K Round 24:07:10 h106
06.10 51.4km JPN12th Trainic world Ogose-Tokigawa Trail Run 50km 8:30:04 h74
12.05 51km JPN5th FunTrails Round Minano 7:10:55 h56
21.04 118km JPN34th Fuji 5 Lakes 118 km Challenge 14:32:09 h294
2023
14.05 51km JPN4th FunTrails Round Minano 8:01:27 h102