Reiji (大山礼仁) Oyama
Born : 1963 Cat. M60 Ultrarunner since 2005 JPN
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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 ?GREGreeceJPNJapan
33,0%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 7 557; Σ finishers = 22 892. 7 557 / 22 892 × 100 = 33.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races4 048 km
> 100 km8
> 160 km7
> 200 km7
Longest race250,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road98,2%
Trail1,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

HISTORY

30 race(s)
DateRacePerf.Rk
2020
19.01 100km JPN30th Miyako 100 km Ultramarathon 11:09:10 h86
2019
16.06 100km JPN14. Okinoshima 100km Ultra Marathon 12:49:10 h236
20.01 100km JPN29th Miyako 100 km Ultramarathon 11:54:06 h98
2018
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 12:18:40 h1585
21.01 100km JPN28th Miyako 100 km Ultramarathon 13:45:03 h276
2017
18.06 100km JPN12. Okinoshima 100km Ultra Marathon 13:39:52 h251
15.01 100km JPN27th Miyako 100 km Ultramarathon 13:16:11 h268
2016
19.06 100km JPN11. Okinoshima 100km Ultra Marathon 12:44:10 h178
17.01 100km JPN26th Miyako 100 km Ultramarathon 12:33:05 h183
2015
21.06 100km JPN10. Okinoshima 100km Ultra Marathon 12:38:47 h237
11.01 100km JPN25th Miyako 100 km Ultramarathon 11:42:08 h169
2014
29.06 100km JPN29. Lake Saroma 100 km Ultramarathon 12:04:26 h873
2013
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 12:12:42 h1277
02.05 250km JPN25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 44:33:24 h107
10.03 72km JPN1st Izu Trail Journey 11:44:03 h567
13.01 100km JPN23rd Miyako 100 km Ultramarathon 9:57:37 h27
2012
28.09 245.3km GRE30. Spartathlon 35:51:15 h71
17.06 100km JPN7. Okinoshima 100km Ultra Marathon 11:03:36 h50
02.05 250km JPN24. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 44:22:03 h79
2011
30.09 245.3km GRE29. Spartathlon 34:26:10 h78
26.06 100km road race JPN26. Lake Saroma 100 km Ultramarathon 9:38:16 h230
02.05 250km JPN23. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 34:50:16 h7
2010
24.09 245.3km GRE28. Spartathlon 34:55:07 h92
27.06 100km JPN25. Lake Saroma 100 km Ultramarathon 10:06:07 h256
02.05 250km JPN22. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 39:32:31 h22
17.01 100km JPN20th Miyako 100 km Ultramarathon 8:54:37 h7
2009
03.05 140km JPN21. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 15:20:26 h2 🥈
2007
24.06 100km JPN22. Lake Saroma 100 km Ultramarathon 9:02:56 h130
2006
25.06 100km JPN21. Lake Saroma 100 km Ultramarathon 9:06:04 h88
2005
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 8:42:45 h57