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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Chihara, Ikumasa 千原郁正   Submit Personal Website Send Link 
Club: 01Run 
Residence: Tokyo
Year of birth: 1972 (Cat. german: M50)
Date of birth: 28.01.1972 (Cat. internat.: M50)
Nationality: JPN JPN Japan
RunnerID: 181639
 

28 search results (28 Events, 2759.868 km).  (More)

2025 2 Events, 170 km  (More)
14.12.2025 Izu Trail Journey (JPN) 70km
13:34:05 h Chihara, Ikumasa Ibuki  Overall: 831 M: 726 Cat M50: 100
20.07.2025 OSJ Ontake 100km Ultra Trail (JPN) 100km
15:29:04 h Chihara, Ikumasa Ibuki  Overall: 473 M: 412 Cat M50: 86
2024 2 Events, 267 km  (More)
14.07.2024 OSJ Ontake 100km Ultra Trail (JPN) 100km
18:24:40 h Chihara, Ikumasa Ibuki  Overall: 748 M: 625 Cat M50: 142
26.-27.04.2024 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
45:18:45 h Chihara, Ikumasa Ibuki  Overall: 1413 M: 1238 Cat M50: 258
2023 2 Events, 169 km  (More)
16.07.2023 OSJ Ontake 100km Ultra Trail (JPN) 100km
18:20:35 h Chihara, Ikumasa Ibuki  Overall: 484 M: 443 Cat M50: 99
22.-23.04.2023 KAI 69k (JPN) 69km
14:27:09 h Chihara, Ikumasa Ibuki  Overall: 390 M: 346 Cat M50: 59
2022 1 Event, 100 km  (More)
16.07.2022 OSJ Ontake 100km Ultra Trail (JPN) 100km
17:05:57 h Chihara, Ikumasa Ibuki  Overall: 469 M: 420 Cat M50: 79
2019 1 Event, 100 km  (More)
13.07.2019 OSJ Ontake 100km Ultra Trail (JPN) 100km
16:06:15 h Chihara, Ikumasa   Overall: 445 M: 405 Cat M45: 105
2017 2 Events, 172 km  (More)
16.-18.09.2017 Shinetsu Five Mountains Trail 100 mile (JPN) 102km
19:23:58 h Chihara, Ikumasa Ibuki  Overall: 280 M: 254 Cat M45: 60
27.08.2017 Tsukuba Renjyo 70 Km Road & Trail Run (JPN) 70km
11:24:32 h Chihara, Ikumasa Ibuki  Overall: 113 M: 104 Cat M45: 23
2016 1 Event, 71.7 km  (More)
11.12.2016 Izu Trail Journey (JPN) 71.7km
11:25:09 h Chihara, Ikumasa *Tokyo  Overall: 403 M: 360 Cat M40: 98
2015 3 Events, 342.3 km  (More)
25.-27.09.2015 Ultra-Trail Mt. Fuji (UTMF) (JPN) 170.3km
41:58:02 h Chihara, Ikumasa   Overall: 351 M: 299 Cat M40: 74
18.07.2015 OSJ Ontake 100km Ultra Trail (JPN) 100km
15:17:12 h Chihara, Ikumasa *Tokyo  Overall: 336 M: 317 Cat M40: 77
15.03.2015 Izu Trail Journey (JPN) 72km
12:28:30 h Chihara, Ikumasa Ibuki  Overall: 635 M: 575 Cat M40: 131
2014 1 Event, 160.934 km  (More)
25.-27.04.2014 Ultra-Trail Mt. Fuji (UTMF) (JPN) 100mi
41:39:44 h Chihara, Ikumasa *Tokyo  Overall: 435 M: 386 Cat M40: 105
2013 2 Events, 232.934 km  (More)
26.-28.04.2013 Ultra-Trail Mount Fuji (UTMF) (JPN) 100mi
41:48:32 h Chihara, Ikumasa *Tokyo  Overall: 457 M: 408 Cat M40: 98
10.03.2013 Izu Trail Journey (JPN) 72km
11:16:26 h Chihara, Ikumasa *Tokyo  Overall: 461 M: 427 Cat M40: 87
2012 4 Events, 399.5 km  (More)
07.-08.10.2012 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
16:58:11 h Chihara, Ikumasa   Overall: 1080 M: 980 Cat M40: 225
15.07.2012 OSJ Ontake 100km Ultra Trail (JPN) 100km
14:38:04 h Chihara, Ikumasa *Tokyo  Overall: 377 M: 354 Cat M40: 73
18.-20.05.2012 Ultra-Trail Mount Fuji (UTMF) (JPN) 156km
44:02:31 h Chihara, Ikumasa *Tokyo  Overall: 436 M: 407 Cat M40: 96
22.04.2012 Fuji 5 Lakes 72 km Challenge (JPN) 72km
8:47:33 h Chihara, Ikumasa   Overall: 218 M: 173 Cat M40: 22
2011 4 Events, 331.5 km  (More)
06.11.2011 Kanna Mountain Run (JPN) 50km
8:43:49 h Chihara, Ikumasa モンブRun  Overall: 61 M: 57 Cat M35: 13
09.-10.10.2011 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
17:26:16 h Chihara, Ikumasa 【01Run】  Overall: 937 M: 844 Cat M35: 188
24.-25.09.2011 Shinetsu Five Mountains Trail 110km (JPN) 110km
20:25:55 h Chihara, Ikumasa   Overall: 273 M: 240 Cat M35: 65
17.07.2011 OSJ Ontake 100km Ultra Trail (JPN) 100km
14:51:28 h Chihara, Ikumasa *Tokyo  Overall: 155 M: 147 Cat M35: 28
2010 2 Events, 171.5 km  (More)
10.-11.10.2010 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
19:19:03 h Chihara, Ikumasa   Overall: 1077 M: 983 Cat M35: 206
18.07.2010 OSJ Ontake 100km Ultra Trail (JPN) 100km
16:24:24 h Chihara, Ikumasa *Tokyo  Overall: 215 M: 201 Cat M35: 35
2009 1 Event, 71.5 km  (More)
11.-12.10.2009 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
18:30:42 h Chihara, Ikumasa 01Run  Overall: 1174 M: 1078 Cat M35: 246

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2024 2023 2022 2019 2017 2016 2015 2014 2013 2012 2011 2010 2009

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2019 2017 2016 2015 2014 2013 2012 2011 2010 2009
OSJ Ontake 100km Ultra Trail 9 15:29:04 18:24:40 18:20:35 17:05:57 16:06:15     15:17:12     14:38:04 14:51:28 16:24:24  
Ultra-Trail Mount Fuji (UTMF) 5   45:18:45           41:58:02 41:39:44 41:48:32 44:02:31      
Izu Trail Journey 4 13:34:05           11:25:09 12:28:30   11:16:26        
Hasetsune Cup - Japan Mountain Endurance Race 4                     16:58:11 17:26:16 19:19:03 18:30:42