Takeharu (小林丈治) Kobayashi
Born : 1959 Cat. M65 Ultrarunner since 2005 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
2
Countries visited ?JPNJapanTPETaiwan
19,0%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 463; Σ finishers = 7 685. 1 463 / 7 685 × 100 = 19.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races3 212 km
> 100 km13
> 160 km6
> 200 km4
> 24h4
Longest race204,0 km

Km per year (ultra races)

170
1 race
2022
2023
200
1 race
2024
2025
151
1 race
2026

Race types (share of distance)

Road96,9%
Trail3,1%

HISTORY

25 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
07.02 24h TPE15th Taipei 24hr Ultra Marathon 150.819 km39
2024
26.10 200km JPN11th Setouchi Angya - 200 km 33:57:00 h13
2022
29.10 170km JPN9th Setouchi Angya - 170 km 26:23:00 h9
2020
22.02 115km JPN10th Oedo Night run 115k 17:39:28 h63
2019
03.08 24h JPN19th 24-hour relay & solo marathon Kobe 112.200 km66
23.02 204km JPN9th Little Edo Oedo 200k 32:22:28 h112
13.01 100km JPN4th Yakushima Ultramarathon 13:59:10 h74
2018
03.03 204km JPN8th Little Edo Oedo 200k 29:58:22 h53
2017
17.12 100km JPN2nd Okinawa 100km Ultramarathon 12:12:24 h148
27.05 103km JPN6th Tojinbo 103 km Ultramarathon 12:30:06 h51
04.03 204km JPN7th Little Edo Oedo 200k 30:09:58 h70
08.01 100km JPN2nd Yakushima Ultramarathon 13:12:00 h27
2016
06.08 24h JPN16th 24-hour relay & solo marathon Kobe 117.300 km41
28.05 103km JPN5th Tojinbo 103 km Ultramarathon 11:27:05 h22
17.01 100km JPN26th Miyako 100 km Ultramarathon 11:13:14 h78
2015
28.02 203km JPN5th Little Edo Oedo 200k 31:31:39 h72
2013
15.09 100km JPN13th Tango 100 km Ultramarathon 9:44:40 h79
11.05 100km JPN2nd Tojinbo 100 km Ultramarathon 10:53:38 h10
2012
04.08 24h JPN13th 24-hour relay & solo marathon Kobe 125.400 km29
2010
20.06 100km JPN5. Okinoshima 100km Ultra Marathon 9:54:54 h15
2009
18.10 100km JPN15th River Shimanto 100km 9:36:37 h74
20.09 100km JPN9th Tango 100 km Ultramarathon 9:48:45 h60
2008
14.09 100km JPN8th Tango 100 km Ultramarathon 12:26:06 h219
2005
25.09 100km JPN8th Muraoka 100 km Ultra Marathon 10:27:52 h15
26.06 100km JPN5th Nichinan Orochi 100 km Marathon 10:44:54 h49