Ryuichi (柳隆一) Yanagi
ID 71907
Born : 1964 Cat. M60 Ultrarunner since 1998 JPN
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
69,9%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 346; Σ finishers = 1 925. 1 346 / 1 925 × 100 = 69.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6
Km — ultra races1 195 km
> 100 km4
> 160 km4
> 200 km4
Longest race250,0 km
6. Sakura Michi Kokusai Nature Run — 17/4/1999

Km per year (ultra races)

100
1 race
2022
2023
100
1 race
2024
2025
2026

Race types (share of distance)

Road37,6%
Trail62,4%

Records

100 km12h41'46

HISTORY

6 race(s)
DateRacePerf.Rk
2024
13.10 100km JPN15th Echigo Kubikino 100km Ultramarathon 13:45:16 h715
2022
09.10 100km JPN14th Echigo Kubikino 100km Ultramarathon 12:41:46 h469
1999
17.04 250km JPN6. Sakura Michi Kokusai Nature Run 34:44:00 h37
1998
25.09 245.3km GRE16. Spartathlon 35:22:15 h59
02.05 250km JPN10. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 45:10:46 h36
18.04 250km JPN5. Sakura Michi Kokusai Nature Run 35:43:00 h36