Makoto (井寄慎) Iyori
Born : 1976 Cat. M50 Ultrarunner since 2016 JPN
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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 ?JPNJapanTHAThailand
16,5%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 2 801; Σ finishers = 16 953. 2 801 / 16 953 × 100 = 16.52%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races3 940 km
> 100 km15
> 160 km11
> 200 km3
> 24h4
Longest race221,3 km

Km per year (ultra races)

970
8 races
2022
771
5 races
2023
703
4 races
2024
270
2 races
2025
2026

Race types (share of distance)

Road17,2%
Trail62,9%
Elim.19,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

33 race(s)
DateRacePerf.Rk
2025
20.07 99.5km JPN17th OSJ Ontake 100km Ultra Trail 12:52:41 h165
06.06 170km JPN4th Tamba 100 Adventure Trail - 100mi 2d 05:43:18 h12
2024
16.11 167km JPN3rd Kumagawa Revival Trail 37:41:36 h73
01.11 Backyard Ultra JPN5th Last Samurai Standing Backyard Ultra - Kyoto 207.886 km (31h)4
13.07 100mi JPN16th OSJ Ontake 100 Mile Ultra Trail 22:33:08 h46
26.04 167km JPN9th Ultra-Trail Mt. Fuji 32:28:40 h180
2023
08.12 175km THA4th Doi Inthanon Thailand by UTMB - TRANS-INT 160 47:57:51 h112
23.11 Backyard Ultra JPN4th Last Samurai Standing Backyard Ultra - Kyoto 221.298 km (33h)4
16.09 162.6km JPN15th Shinetsu Five Mountains Trail 100 mile 27:13:54 h42
16.07 109.2km JPN15th OSJ Ontake 100km Ultra Trail 13:20:21 h53
02.06 103km JPN2nd Tamba 100 Adventure Trail - 100km 29:37:18 h17
2022
19.11 Backyard Ultra JPN3rd Last Samurai Standing Backyard Ultra - Kyoto 207.886 km (31h)2 🥈
07.10 169km JPN2nd Lake Biwa 100 35:54:40 h20
16.07 106.5km JPN14th OSJ Ontake 100km Ultra Trail 15:52:33 h359
12.06 100km JPN10th Hida Takayama 100 km Ultramarathon 10:13:49 h112
21.05 50km JPN8th Mt. Hiei Int. 50 km Trail Run 7:32:41 h43
22.04 167km JPN7th Ultra-Trail Mt. Fuji 28:57:20 h215
10.04 70km JPN7th Okumikawa Power Trail 11:02:05 h80
29.01 100km JPN1st Nara Ishibutai 100 21:09:25 h19
2021
12.12 69.1km JPN8th Izu Trail Journey 10:39:46 h490
20.11 Backyard Ultra JPN2nd Last Samurai Standing Backyard Ultra - Kyoto 147.532 km (22h)6
06.11 100km JPN1st OSJ Kami 100 18:25:54 h67
25.09 54km JPN8th Shigakogen Extreme Trail 8:44:13 h46
2020
13.12 66km JPN7th Izu Trail Journey 9:11:00 h231
18.10 54km JPN7th Shigakogen Extreme Trail 8:18:08 h66
23.08 60km JPN9th World Geopark Trail Run in Sanin Kaigan 8:26:54 h13
2019
20.10 100km JPN25th River Shimanto 100km 9:07:32 h35
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 10:22:12 h31
16.06 100km JPN14. Okinoshima 100km Ultra Marathon 9:14:47 h16
2018
21.10 100km JPN24th River Shimanto 100km 9:27:59 h85
2017
24.09 88km JPN20th Muraoka 88 km Ultra Marathon 9:23:59 h12
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 11:19:01 h169
2016
25.09 88km JPN19th Muraoka 88 km Ultra Marathon 9:10:53 h9