Norishige (早川典重) Hayakawa
ID 225658
Born : 1962 Cat. M60 Ultrarunner since 2005 JPN
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
55,4%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 22 451; Σ finishers = 40 526. 22 451 / 40 526 × 100 = 55.40%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races3 304 km
Longest race100,0 km
4th Yakushima Ultramarathon — 13/1/2019

Km per year (ultra races)

119
2 races
2022
69
1 race
2023
2024
2025
2026

Race types (share of distance)

Road79,0%
Trail21,0%

Records

50 km5h04'27100 km11h24'2850 mi13h42'13

HISTORY

41 race(s)
DateRacePerf.Rk
2023
22.04 69km JPN2nd KAI 69k 17:48:45 h672
2022
12.06 50km JPN16th Iwate Ginga 50km Marathon Challenge 5:04:27 h41
23.04 69km JPN1st KAI 69k 15:59:44 h265
2019
13.01 100km JPN4th Yakushima Ultramarathon 13:54:14 h69
2018
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 12:13:46 h1529
2017
23.09 75km JPN4th SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup 18:23:10 h137
23.04 71km JPN27th Fuji 5 Lakes 71 km Challenge 8:31:07 h260
08.01 100km JPN2nd Yakushima Ultramarathon 14:34:00 h70
2016
11.09 75km JPN3rd SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup 18:23:07 h92
26.06 100km JPN31. Lake Saroma 100 km Ultramarathon 12:08:07 h1618
22.05 55.7km JPN3rd Kobo Trail 2016 13:49:37 h99
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 20:40:21 h1790
18.10 100km JPN21st River Shimanto 100km 12:05:02 h459
30.08 70km JPN2nd Tsukuba Renjyo 70 km Road & Trail Run 10:49:46 h190
26.07 80km JPN3rd Mt. Taisetsu Trail Journey 13:42:13 h94
28.06 100km JPN30. Lake Saroma 100 km Ultramarathon 11:24:28 h1105
06.06 60km JPN3rd Tokyo Shibamata 60 km 6:16:54 h161
24.05 55.7km JPN2nd Kobo Trail 2015 12:28:19 h60
15.03 72km JPN2nd Izu Trail Journey 12:48:45 h737
2014
21.09 50km JPN2nd 50 km Ultramarathon Hakusan-Shirakawago 5:44:00 h102
29.06 100km JPN29. Lake Saroma 100 km Ultramarathon 12:19:50 h1010
01.06 60km JPN2nd Tokyo Shibamata 60 km 8:11:23 h370
2013
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 12:48:52 h251
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 11:49:41 h1031
01.06 60km JPN1st Tokyo Shibamata 60 km 6:28:43 h147
2012
21.10 100km JPN18th River Shimanto 100km 11:41:22 h318
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 11:35:52 h1018
20.05 50km JPN16th 50 km Ultramarathon Ako Seaside Park 5:16:56 h26
2011
02.10 50km JPN7th Ashiya Hama Shiokaze Ultra Marathon - 50 km 5:20:12 h40
26.06 100km road race JPN26. Lake Saroma 100 km Ultramarathon 12:03:42 h1183
2010
03.10 50km JPN6th Ashiya Hama Shiokaze Ultra Marathon - 50 km 5:22:30 h17
27.06 100km JPN25. Lake Saroma 100 km Ultramarathon 12:44:06 h1395
2009
18.10 100km JPN15th River Shimanto 100km 12:20:29 h533
04.10 50km JPN5th Ashiya Hama Shiokaze Ultra Marathon - 50 km 5:54:38 h17
2008
19.10 100km JPN14th River Shimanto 100km 12:30:50 h471
14.09 60km JPN8th Tango 60 km Ultramarathon 7:42:08 h151
2007
14.10 100km JPN13th River Shimanto 100km 12:26:43 h570
24.06 100km JPN22. Lake Saroma 100 km Ultramarathon 12:41:24 h1610
2006
15.10 100km JPN12th River Shimanto 100km 12:18:50 h467
25.06 100km JPN21. Lake Saroma 100 km Ultramarathon 12:34:10 h1249
2005
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 12:09:28 h1068