Hironori (古澤広則) Furusawa
ID 174014
Born : 1964 Cat. M60 Ultrarunner since 1999 JPN
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
10,8%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 2 728; Σ finishers = 25 162. 2 728 / 25 162 × 100 = 10.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races2 438 km
> 100 km5
> 160 km1
> 200 km1
Longest race250,0 km
18. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2006

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road95,9%
Trail4,1%

Records

100 km8h20'40

HISTORY

23 race(s)
DateRacePerf.Rk
2021
08.05 57km JPN1st Kimitsu Ultra Marathon 6:58:37 h107
2018
22.07 100km JPN8th North Okhotsk 100 km Marathon 11:25:28 h85
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 10:55:43 h779
2017
25.06 100km JPN32. Lake Saroma 100 km Ultramarathon 9:34:06 h238
2013
11.08 100km JPN3rd North Okhotsk 100 km Marathon 9:18:25 h20
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 8:54:30 h105
2012
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 8:52:39 h123
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 11:25:00 h63
2011
26.06 100km road race JPN26. Lake Saroma 100 km Ultramarathon 9:24:25 h172
30.04 112km JPN21st Fuji 5 Lakes 112 km Challenge 11:05:09 h44
2010
27.06 100km JPN25. Lake Saroma 100 km Ultramarathon 9:11:24 h98
25.04 112km JPN20th Fuji 5 Lakes 112 km Challenge 13:25:42 h155
2008
06.07 8h JPN14th 8-Hour Endurance Race Tokorozawa 55.182 km121
18.05 100km JPN14th Yatsugatake Nobeyama 100 km 11:23:14 h118
2007
14.10 100km JPN13th River Shimanto 100km 10:53:02 h226
2006
15.10 100km JPN12th River Shimanto 100km 9:52:25 h103
25.06 100km JPN21. Lake Saroma 100 km Ultramarathon 8:37:36 h47
02.05 250km JPN18. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 40:59:41 h30
2005
16.10 100km JPN11th River Shimanto 100km 8:51:59 h32
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 8:20:40 h32
03.05 140km JPN17. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 16:52:38 h9
2004
17.10 100km JPN10th River Shimanto 100km 8:25:22 h20
1999
17.10 100km JPN6th River Shimanto 100km 8:33:05 h24