Shigeru (池田茂) Ikeda
ID 560364
Born : 1969 Cat. M55 Ultrarunner since 2013 JPN
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
75,4%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 11 485; Σ finishers = 15 230. 11 485 / 15 230 × 100 = 75.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races2 968 km
> 100 km3
> 160 km1
Longest race177,0 km
4th Michinoku Tsugaru Journey Run 177K — 13/7/2019

Km per year (ultra races)

130
2 races
2022
193
3 races
2023
183
3 races
2024
124
2 races
2025
117
1 race
2026

Race types (share of distance)

Road95,8%
Trail2,4%
Stage1,8%

Records

50 km6h27'41100 km13h32'05

HISTORY

40 race(s)
DateRacePerf.Rk
2026
06.06 63km JPN14th Tojinbo 62 km Ultramarathon 10:31:40 h330
15.03 54km JPN14th Arakawa Riverside Journey - Stage 2 8:51:43 h114
2025
31.05 62km JPN13th Tojinbo 62 km Ultramarathon 10:11:50 h300
12.04 62km JPN7th Okuizumo Ultra Orochi 60km Tooashi 9:07:03 h121
2024
13.10 50km JPN15th Echigo Kubikino 50km Ultramarathon 7:17:48 h315
15.06 65km JPN3. OSJ Aizu Bandaisan Ultramarathon - 65 km 9:54:17 h61
19.05 68km JPN30th Yatsugatake Nobeyama 68 km 10:00:47 h231
2023
11.11 66km JPN10th Michikusa-Ultra, Minamiizu 66 km 11:00:13 h102
04.06 65km JPN2. OSJ Aizu Bandaisan Ultramarathon - 65 km 9:01:55 h48
27.05 62km JPN11th Tojinbo 62 km Ultramarathon 9:37:10 h265
2022
17.07 65km JPN2nd Yamaguchi Hagi Return 12:32:35 h229
05.06 65km JPN1. OSJ Aizu Bandaisan Ultramarathon - 65 km 9:08:32 h81
2021
14.11 47.2km JPN2nd Miyagi Yumeguri Ultra Run 6:24:00 h49
2020
12.01 100km JPN5th Yakushima Ultramarathon 100 km 14:49:54 h143
2019
19.10 100km JPN4th Iki 100 km Ultra Marathon 13:48:22 h240
13.07 177km JPN4th Michinoku Tsugaru Journey Run 177K 33:18:26 h67
09.06 71km JPN8th Hida Takayama 71 km Ultramarathon 10:03:44 h583
13.01 100km JPN4th Yakushima Ultramarathon 15:05:39 h127
2018
15.09 122km JPN1st Utsukushima Fukushima Journey Run 122K 22:53:43 h77
10.06 100km JPN7th Hida Takayama 100 km Ultramarathon 13:51:48 h1494
26.05 103km JPN7th Tojinbo 103 km Ultramarathon 15:23:56 h143
20.05 71km JPN24th Yatsugatake Nobeyama 71 km 10:10:30 h178
14.01 100km JPN3rd Yakushima Ultramarathon 15:34:57 h100
2016
31.07 100km JPN6th North Okhotsk 100 km Marathon 13:52:28 h216
02.07 8h JPN22nd 8-Hour Endurance Race Tokorozawa 51.936 km191
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 13:32:05 h1026
05.06 78km JPN23. Ultramarathon Okumusashi 11:43:04 h1368
27.03 56km JPN14th Mt. Rocco Cannonball Run - 56 km Speed 6:26:00 h32
05.03 91km JPN6th Little Edo 91km 13:39:58 h63
2015
12.07 8h JPN21st 8-Hour Endurance Race Tokorozawa 46.102 km261
07.06 72km JPN4th Hida Takayama 72 km Ultramarathon 9:56:26 h428
17.05 71km JPN21st Yatsugatake Nobeyama 71 km 10:08:21 h158
04.05 70km JPN27. Yamaguchi 100 Hagi-O-Kan Maranic 70 km 11:05:26 h280
28.03 58km JPN11th Izu Oshima Ultra 58 km 7:36:34 h106
2014
12.10 60km JPN10th Echigo Kubikino 60km Ultramarathon 8:05:45 h343
21.09 50km JPN2nd 50 km Ultramarathon Hakusan-Shirakawago 7:21:30 h323
06.07 8h JPN20th 8-Hour Endurance Race Tokorozawa 45.444 km388
08.06 50km JPN10th Iwate Ginga 50km Marathon Challenge 6:27:41 h218
27.04 70km JPN6th 70 km Ultra Maranic Osaka 10:29:53 h200
2013
15.09 60km JPN13th Tango 60 km Ultramarathon 8:25:54 h639