Hidehisa (今井秀久) Imai
Born : 1944 Cat. M80 Ultrarunner since 1998 JPN
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
3
Countries visited ?GREGreeceJPNJapanKORSouth Korea
62,5%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 3 403; Σ finishers = 5 443. 3 403 / 5 443 × 100 = 62.52%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races5 215 km
> 100 km13
> 160 km13
> 200 km12
Longest race572,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road60,2%
Trail39,8%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak1

HISTORY

31 race(s)
DateRacePerf.Rk
2012
20.10 572km JPNAcross Honshu R9 Foot Race 9d 02:35:00 h1 🏆
02.09 52km JPN62. Tsurunuma 52 km 7:02:55 h111
2011
08.09 430km JPNAcross Honshu R7 Foot Race 7d 11:32:00 h4
07.08 77km JPN18. Ultramarathon Okumusashi 11:02:03 h920
10.07 8h JPN17th 8-Hour Endurance Race Tokorozawa - 3 tai 45.444 km84
02.06 521km JPNAcross Honshu R8 Foot Race 8d 04:26:00 h1 🏆
09.04 70km JPN6th Toda Saiko 70 km 7:53:44 h156
2010
29.08 52km JPN58. Tsurunuma 52 km 6:26:00 h51
01.08 77km JPN17. Ultramarathon Okumusashi 9:57:55 h475
04.07 8h JPN16th 8-Hour Endurance Race Tokorozawa 51.936 km167
10.04 70km JPN5th Toda Saiko 70 km 8:26:42 h164
04.04 100km JPN57. Tsurunuma 100 km 13:06:20 h63
2009
30.08 52km JPN56. Tsurunuma 52 km 6:16:46 h122
05.04 100km JPN55. Tsurunuma 100 km 10:47:45 h16
2008
06.07 8h JPN14th 8-Hour Endurance Race Tokorozawa 58.428 km92
06.04 100km JPN53. Tsurunuma 100 km 12:40:25 h47
2007
26.08 52km JPN52. Tsurunuma 52 km 5:45:54 h50
01.07 8h JPN13th 8-Hour Endurance Race Tokorozawa 55.250 km142
2003
26.09 245.3km GRE21. Spartathlon 35:49:37 h78
11.05 100km JPN9th Yatsugatake Nobeyama 100 km 12:45:32 h271
19.04 250km JPN10. Sakura Michi Kokusai Nature Run 34:50:00 h43
22.03 200km KOR2nd Jeju-do around 200 km 30:17:00 h14
2002
27.09 245.3km GRE20. Spartathlon 35:16:23 h71
20.04 250km JPN9. Sakura Michi Kokusai Nature Run 35:25:00 h46
07.04 100km JPN41. Tsurunuma 100 km 10:35:47 h13
2001
28.09 245.3km GRE19. Spartathlon 35:50:33 h78
02.09 52km JPN40. Tsurunuma 52 km 5:05:47 h26
2000
29.09 245.3km GRE18. Spartathlon 34:21:29 h50
15.04 250km JPN7. Sakura Michi Kokusai Nature Run 35:47:00 h34
1999
24.09 245.3km GRE17. Spartathlon 35:02:21 h37
1998
02.05 250km JPN10. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 41:22:24 h7