Seiryuu (堀正龍) Hori
ID 103418
Born : 1947 Cat. M75 Ultrarunner since 1999 JPN
38
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
1
Countries visited ?JPNJapan
55,5%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 8 142; Σ finishers = 14 678. 8 142 / 14 678 × 100 = 55.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races4 330 km
> 100 km9
> 160 km7
> 200 km7
Longest race250,0 km
20. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2008

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road95,0%
Trail5,0%

Records

100 km10h34'47

HISTORY

38 race(s)
DateRacePerf.Rk
2013
08.09 52km JPN64. Tsurunuma 52 km 6:28:21 h118
2012
02.09 52km JPN62. Tsurunuma 52 km 6:48:29 h101
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 12:44:05 h1997
2011
16.07 100km JPN60. Tsurunuma 100 km 13:35:39 h20
2010
04.04 100km JPN57. Tsurunuma 100 km 12:07:41 h46
2009
30.08 52km JPN56. Tsurunuma 52 km 5:38:39 h78
05.04 100km JPN55. Tsurunuma 100 km 12:16:57 h37
2008
28.09 88km JPN11th Muraoka 88 km Ultra Marathon 11:31:50 h36
31.08 52km JPN54. Tsurunuma 52 km 5:53:48 h50
02.05 250km JPN20. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 42:39:28 h55
06.04 100km JPN53. Tsurunuma 100 km 11:36:03 h31
2007
22.09 100km JPN17. Akita Nairiku 100km Marathon 12:07:37 h414
16.09 141km JPN10th Karisakatoge beyond Chichibu Run 23:10:32 h52
26.08 52km JPN52. Tsurunuma 52 km 6:21:42 h69
2006
08.10 71.5km JPN14th Hasetsune Cup - Japan Mountain Endurance Race 17:25:33 h686
17.09 141km JPN9th Karisakatoge beyond Chichibu Run 23:36:55 h61
27.08 100km JPN50. Tsurunuma 100 km 11:09:03 h25
13.08 75km JPN13. Ultramarathon Okumusashi 9:14:59 h274
25.06 100km JPN21. Lake Saroma 100 km Ultramarathon 11:13:28 h556
02.05 250km JPN18. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:51:35 h57
02.04 100km JPN49. Tsurunuma 100 km 10:34:47 h19
2005
28.08 52km JPN48. Tsurunuma 52 km 5:09:24 h35
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 12:09:49 h1074
02.05 250km JPN17. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:57:02 h77
03.04 100km JPN47. Tsurunuma 100 km 11:32:09 h22
2004
10.10 71.5km JPN12th Hasetsune Cup - Japan Mountain Endurance Race 19:19:54 h529
29.08 52km JPN46. Tsurunuma 52 km 5:14:50 h47
02.05 250km JPN16. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 44:19:04 h55
04.04 100km JPN45. Tsurunuma 100 km 10:51:45 h18
2003
25.10 71.5km JPN11th Hasetsune Cup - Japan Mountain Endurance Race 21:53:02 h879
24.08 52km JPN44. Tsurunuma 52 km 6:25:50 h33
02.05 250km JPN15. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 46:00:01 h93
06.04 100km JPN43. Tsurunuma 100 km 11:28:30 h18
2002
25.08 52km JPN42. Tsurunuma 52 km 6:10:25 h37
02.05 250km JPN14. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 44:28:21 h38
2001
02.09 52km JPN40. Tsurunuma 52 km 5:44:06 h46
02.05 250km JPN13. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 44:42:36 h45
1999
17.10 100km JPN6th River Shimanto 100km 11:36:31 h352