Shingo (岩崎真吾) Iwasaki
ID 829704
Born : 1975 Cat. M50 Ultrarunner since 2015 JPN
35
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
1
Countries visited ?JPNJapan
56,1%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 11 691; Σ finishers = 20 854. 11 691 / 20 854 × 100 = 56.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races3 218 km
> 100 km9
> 160 km6
> 200 km2
Longest race206,0 km
10th Little Edo Oedo 205k — 22/2/2020

Km per year (ultra races)

227
2 races
2022
321
3 races
2023
67
1 race
2024
147
3 races
2025
167
1 race
2026

Race types (share of distance)

Road54,8%
Trail45,2%

Records

50 km6h09'17100 km13h02'23

HISTORY

35 race(s)
DateRacePerf.Rk
2026
24.04 167km JPN11th Ultra-Trail Mt. Fuji 37:33:20 h467
2025
15.11 50km JPN11th FunTrails50K Round 9:46:51 h263
02.11 49km JPN2nd Sea Alps Trail Journey 8:18:22 h130
14.06 48km JPN4th KTF Trail running race - Rockin Bear 7:17:26 h312
2024
22.12 67km JPN2nd Coast to Coast Boso hanto 11:05:19 h207
2023
18.11 106km JPN9th FunTrails100K Round 23:44:00 h123
27.08 48km JPN10th Tsukuba Renjyo 48 km Road & Trail Run 7:19:07 h128
21.04 167km JPN8th Ultra-Trail Mt. Fuji 35:35:25 h538
2022
19.06 60km JPN8th Echigo Country Trail 10:45:02 h126
22.04 167km JPN7th Ultra-Trail Mt. Fuji 33:32:34 h487
2021
23.07 65km JPN12th Nozawa Onsen 4100D Mountain Trail Pair 12:22:07 h23
25.04 50km JPN14th Ishioka Trail Run 6:09:17 h105
27.02 200km JPN11th Little Edo Oedo 200k 33:48:34 h117
2020
04.10 64km JPN7th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 8:24:57 h49
22.02 206km JPN10th Little Edo Oedo 205k 32:09:08 h91
2019
29.09 64km JPN6th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 8:45:02 h18
13.07 65km JPN10th Nozawa Onsen 4100D Mountain Trail 12:19:29 h184
16.06 48.3km JPN1st FunTrails Round Minano 11:03:13 h232
19.05 100km JPN7th Tokyo Shibamata 100 km 13:02:23 h936
11.05 106km JPN4th Trainic World 100 km in Sai-No-Kuni 26:56:53 h133
13.04 70km JPN14th Toda Saiko 70 km 7:32:07 h214
23.02 204km JPN9th Little Edo Oedo 200k 34:41:52 h180
2018
09.12 71.7km JPN5th Izu Trail Journey 12:55:41 h918
30.09 64km JPN5th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 8:29:04 h30
26.08 48km JPN5th Tsukuba Renjyo 48 km Road & Trail Run 7:18:48 h96
03.06 100km JPN6th Tokyo Shibamata 100 km 13:25:12 h761
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:39:08 h1197
14.04 70km JPN13th Toda Saiko 70 km 7:55:13 h328
03.03 113km JPN8th Oedo Night run 113k 17:41:40 h70
2017
04.06 100km JPN5th Tokyo Shibamata 100 km 13:08:58 h984
08.04 70km JPN12th Toda Saiko 70 km 7:50:07 h337
2016
16.12 70km JPNCoast to Coast 70k Trail Run 10:01:30 h218
05.06 100km JPN4th Tokyo Shibamata 100 km 13:27:02 h987
09.04 70km JPN11th Toda Saiko 70 km 8:21:04 h335
2015
11.04 70km JPN10th Toda Saiko 70 km 8:42:53 h402