Hideo (栗山英男) Kuriyama
ID 218359
Born : 1965 Cat. M60 Ultrarunner since 2011 JPN
38
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
50,5%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 6 534; Σ finishers = 12 933. 6 534 / 12 933 × 100 = 50.52%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races3 810 km
> 100 km5
Longest race102,0 km
5th Okuizumo Ultra Orochi 100km Tooashi — 13/4/2019

Km per year (ultra races)

100
1 race
2022
300
3 races
2023
400
4 races
2024
600
6 races
2025
200
2 races
2026

Race types (share of distance)

Road100,0%

Records

100 km12h08'50

HISTORY

38 race(s)
DateRacePerf.Rk
2026
21.06 100km JPN19. Okinoshima 100km Ultra Marathon 13:21:00 h153
31.05 100km JPN2nd Shimanami Surround 100km 14:58:41 h104
2025
14.12 100km JPN6th Tobishima Ultra Marathon 12:30:26 h69
26.10 100km JPN7th Yasaka Ultra Marathon in Hamada - 100 km 13:41:11 h37
18.10 100km JPN8th Iki 100 km Ultra Marathon 12:49:18 h190
28.09 100km JPN28th Muraoka 100 km Ultra Marathon 13:45:53 h394
15.06 100km JPN18. Okinoshima 100km Ultra Marathon 12:50:13 h119
25.05 100km JPN31th Ebisu-Daikoku 100 km Marathon 12:35:08 h221
2024
08.12 100km JPN5th Tobishima Ultra Marathon 12:56:02 h139
20.10 100km JPN6th Yasaka Ultra Marathon in Hamada - 100 km 13:24:05 h42
16.06 100km JPN17. Okinoshima 100km Ultra Marathon 12:52:39 h108
21.04 100km JPN3rd Suo-Oshima Ultra Marathon - 100 km 13:12:50 h108
2023
10.12 100km JPN4th Tobishima Ultra Marathon 13:54:39 h191
21.10 100km JPN6th Iki 100 km Ultra Marathon 12:20:25 h157
18.06 100km JPN16. Okinoshima 100km Ultra Marathon 13:23:43 h127
2022
15.10 100km JPN5th Iki 100 km Ultra Marathon 13:25:45 h140
2019
08.12 100km JPN2nd Tobishima Ultra Marathon 13:04:56 h130
29.09 100km JPN3rd Yasaka Ultra Marathon in Hamada - 100 km 14:37:13 h80
16.06 100km JPN14. Okinoshima 100km Ultra Marathon 12:44:17 h223
13.04 102km JPN5th Okuizumo Ultra Orochi 100km Tooashi 12:28:34 h128
2018
17.06 100km JPN13. Okinoshima 100km Ultra Marathon 13:49:17 h305
27.05 100km JPN25th Ebisu-Daikoku 100 km Marathon 13:18:48 h216
14.04 102km JPN4th Okuizumo Ultra Orochi 100km Tooashi 13:03:06 h131
2017
01.10 100km JPN1st Yasaka Ultra Marathon in Hamada - 100 km 14:02:49 h63
18.06 100km JPN12. Okinoshima 100km Ultra Marathon 14:07:00 h319
28.05 100km JPN24th Ebisu-Daikoku 100 km Marathon 13:48:25 h331
15.04 102km JPN3rd Okuizumo Ultra Orochi 100km Tooashi 13:16:42 h134
2016
25.09 100km JPN19th Muraoka 100 km Ultra Marathon 13:57:33 h419
19.06 100km JPN11. Okinoshima 100km Ultra Marathon 13:04:52 h207
29.05 100km JPN23rd Ebisu-Daikoku 100 km Marathon 12:08:50 h187
16.04 102km JPN2nd Okuizumo Ultra Orochi 100km Tooashi 13:29:58 h100
2015
27.09 100km JPN18th Muraoka 100 km Ultra Marathon 13:32:15 h374
21.06 100km JPN10. Okinoshima 100km Ultra Marathon 12:27:13 h210
31.05 100km JPN22nd Ebisu-Daikoku 100 km Marathon 12:13:54 h194
11.04 102km JPN1st Okuizumo Ultra Orochi 100km Tooashi 13:21:57 h71
2014
28.09 100km JPN17th Muraoka 100 km Ultra Marathon 12:39:27 h199
15.06 100km JPN9. Okinoshima 100km Ultra Marathon 12:35:06 h129
2011
19.06 100km JPN6. Okinoshima 100km Ultra Marathon 12:19:38 h123