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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Shiratori, Ritsuko 白鳥律子   Submit Personal Website Send Link 
Club: イヌネコ同盟 
Residence: Kawasaki, Kanagawa Pref.
Year of birth: 1970 (Cat. german: W55)
Date of birth: 08.06.1970 (Cat. internat.: W55)
Nationality: JPN JPN Japan
RunnerID: 426861
 

24 search results (24 Events, 2028.1 km).  (More)

2025 2 Events, 260 km  (More)
20.07.2025 OSJ Ontake 100km Ultra Trail (JPN) 100km
18:19:23 h Shiratori, Ritsuko イヌネコ夫婦  Overall: 777 F: 120 Cat W55: 20
12.-13.04.2025 Yagurazawa Round Trip Pre-Tournament (JPN) 160km
32:51:09 h Shiratori, Ritsuko イヌネコ夫婦  Overall: 59 F: 7 Cat W50: 2
2024 2 Events, 260 km  (More)
14.07.2024 OSJ Ontake 100km Ultra Trail (JPN) 100km
17:40:13 h Shiratori, Ritsuko イヌネコ夫婦  Overall: 642 F: 99 Cat W50: 26
06.-07.04.2024 Yagurazawa Round Trip Pre-Tournament (JPN) 160km
32:25:03 h Shiratori, Ritsuko イヌネコ夫婦  Overall: 91 F: 14 Cat W50: 6
2023 2 Events, 171 km  (More)
16.07.2023 OSJ Ontake 100km Ultra Trail (JPN) 100km
19:00:23 h Shiratori, Ritsuko イヌネコ同盟  Overall: 579 F: 94 Cat W50: 27
21.05.2023 Yatsugatake Nobeyama 71 km (JPN) 71km
10:01:47 h Shiratori, Ritsuko   Overall: 149 F: 48 Cat W50: 9
2022 2 Events, 169 km  (More)
16.07.2022 OSJ Ontake 100km Ultra Trail (JPN) 100km
17:39:55 h Shiratori, Ritsuko イヌネコ同盟  Overall: 532 F: 56 Cat W50: 13
23.-24.04.2022 KAI 69k (JPN) 69km
15:01:24 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 196 F: 34 Cat W50: 8
2019 2 Events, 171 km  (More)
13.07.2019 OSJ Ontake 100km Ultra Trail (JPN) 100km
16:01:35 h Shiratori, Ritsuko   Overall: 436 F: 38 Cat W45: 12
19.05.2019 Yatsugatake Nobeyama 71 km (JPN) 71km
8:22:18 h Shiratori, Ritsuko   Overall: 29 F: 9 Cat W45: 2
2018 2 Events, 119 km  (More)
23.09.2018 Trail d'Albertville (FRA) 48km
13:30:00 h Shiratori, Ritsuko *Kawasaki-Shi  Overall: 129 F: 14 Cat W45: 4
20.05.2018 Yatsugatake Nobeyama 71 km (JPN) 71km
8:26:52 h Shiratori, Ritsuko イヌネコ同盟  Overall: 43 F: 11 Cat W45: 4
2017 2 Events, 151 km  (More)
01.07.2017 Utsukushigahara 80 Km Trail Run (JPN) 80km
14:40:03 h Shiratori, Ritsuko   Overall: 586 F: 58 Cat W45: 16
21.05.2017 Yatsugatake Nobeyama 71 km (JPN) 71km
9:55:05 h Shiratori, Ritsuko イヌネコ同盟  Overall: 92 F: 30 Cat W45: 9
2016 2 Events, 145.4 km  (More)
16.07.2016 OSJ Ontake 100km Ultra Trail (JPN) 100km
17:12:35 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 670 F: 70 Cat W45: 14
12.06.2016 Skyline Trail Sugadaira (JPN) 45.4km
9:07:40 h Shiratori, Ritsuko   Overall: 374 F: 55 Cat W45: 16
2015 3 Events, 247.7 km  (More)
26.-27.09.2015 Shizuoka to Yamanashi (STY) (JPN) 76.7km
18:26:28 h Shiratori, Ritsuko   Overall: 566 F: 91 Cat W45: 23
18.07.2015 OSJ Ontake 100km Ultra Trail (JPN) 100km
17:57:59 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 653 F: 69 Cat W45: 18
17.05.2015 Yatsugatake Nobeyama 71 km (JPN) 71km
9:11:37 h Shiratori, Ritsuko イヌネコ同盟  Overall: 71 F: 18 Cat W40: 9
2014 4 Events, 274 km  (More)
14.09.2014 Hakuba Int. Trail Run (JPN) 53km
9:30:26 h Shiratori, Ritsuko イヌネコ同盟  Overall: 476 F: 74 Cat W40: 16
19.07.2014 OSJ Ontake 100km Ultra Trail (JPN) 100km
17:14:58 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 608 F: 58 Cat W40: 20
18.05.2014 Yatsugatake Nobeyama 71 km (JPN) 71km
8:35:13 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 39 F: 11 Cat W40: 4
12.01.2014 Miyako 50 Km Ultramarathon (JPN) 50km
5:12:36 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 21 F: 4 Cat W40: 3
2013 1 Event, 60 km  (More)
01.06.2013 Tokyo Shibamata 60 km (JPN) 60km
8:03:48 h Shiratori, Ritsuko *Kanagawa Pref.  Overall: 552 F: 105 Cat W40: 21

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 2018 2017 2016 2015 2014 2013

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2019 2018 2017 2016 2015 2014 2013
OSJ Ontake 100km Ultra Trail 8 18:19:23 17:40:13 19:00:23 17:39:55 16:01:35     17:12:35 17:57:59 17:14:58  
Yatsugatake Nobeyama 71 km 6     10:01:47   8:22:18 8:26:52 9:55:05   9:11:37 8:35:13  
Yagurazawa Round Trip Pre-Tournament 2 32:51:09 32:25:03