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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Iwasawa, Isao 岩沢勇夫   Submit Personal Website Send Link 
Club: ランナーズ栃木 
Residence: Tochigi Pref.
Year of birth: 1971 (Cat. german: M55)
Date of birth: 14.12.1971 (Cat. internat.: M50)
Nationality: JPN JPN Japan
RunnerID: 897550
 

19 search results (19 Events, 1634.6 km).  (More)

2025 1 Event, 80 km  (More)
20.-21.09.2025 SkyViewTrail Memorial Cup (JPN) 80km
15:59:29 h Iwasawa, Isao   Overall: 110 M: 93 Cat M50: 14
2024 2 Events, 282 km  (More)
26.-27.04.2024 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
41:44:25 h Iwasawa, Isao   Overall: 892 M: 802 Cat M50: 145
09.-10.03.2024 Oedo Night run 115k (JPN) 115km
17:27:56 h Iwasawa, Isao *Tochigi Pref.  Overall: 39 M: 27 Cat M50: 8
2023 1 Event, 80 km  (More)
23.-24.09.2023 SkyViewTrail Memorial Cup (JPN) 80km
18:58:03 h Iwasawa, Isao   Overall: 256 M: 223 Cat M50: 40
2022 2 Events, 216.6 km  (More)
30.10.2022 Trainic world Ogose-Tokigawa Trail Run 50km (JPN) 49.6km
9:19:59 h Iwasawa, Isao *Tochigi Pref.  Overall: 129 M: 115 Cat M50: 23
22.-24.04.2022 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
31:22:26 h Iwasawa, Isao *Tochigi Pref.  Overall: 347 M: 308 Cat M50: 47
2021 1 Event, 106 km  (More)
20.-21.11.2021 FunTrails100K Round (JPN) 106km
27:42:03 h Iwasawa, Isao *Tochigi Pref.  Overall: 352 M: 307 Cat M45: 60
2019 4 Events, 285.4 km  (More)
19.10.2019 Inagawa 100km Ultra-Marathon (JPN) 51.4km
5:23:38 h Iwasawa, Isao *Tochigi Pref.  Overall: 65 M: 49 Cat M45: 8
21.-22.09.2019 SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup (JPN) 75km
14:23:18 h Iwasawa, Isao   Overall: 80 M: 73 Cat M45: 10
16.06.2019 Echigo Country Trail (JPN) 53km
8:10:10 h Iwasawa, Isao *Tochigi Pref.  Overall: 155 M: 144 Cat M45: 29
11.-12.05.2019 Trainic World 100 Km in Sai-No-Kuni (JPN) 106km
26:23:10 h Iwasawa, Isao MCC  Overall: 111 M: 99 Cat M45: 27
2018 2 Events, 206 km  (More)
17.06.2018 Nikko 100km Ultramarathon (JPN) 100km
13:22:15 h Iwasawa, Isao ランナーズ栃木  Overall: 580 M: 518 Cat M45: 89
19.-20.05.2018 Trainic World 100 Km in Sai-No-Kuni (JPN) 106km
28:21:35 h Iwasawa, Isao ランナーズ栃木  Overall: 209 M: 196 Cat M45: 51
2017 4 Events, 259 km  (More)
21.10.2017 Inagawa 100km Ultra-Marathon (JPN) 100km
13:55:32 h Iwasawa, Isao *Tochigi Pref.  Overall: 80 M: 65 Cat M45: 14
10.09.2017 OSJ Adatara Trail 50K (JPN) 50km
13:41:00 h Iwasawa, Isao *Tochigi Pref.  Overall: 112 M: 100 Cat M45: 20
04.06.2017 Tokyo Shibamata 60 km (JPN) 60km
7:37:53 h Iwasawa, Isao   Overall: 463 M: 393 Cat M45: 67
29.04.2017 Ishioka Trail Run (JPN) 49km
7:01:17 h Iwasawa, Isao *Tochigi Pref.  Overall: 129 M: 116 Cat M45: 27
2016 2 Events, 119.6 km  (More)
16.12.2016 Coast to Coast 70k Trail Run (JPN) 70km
10:33:27 h Iwasawa, Isao   Overall: 262 M: 243 Cat M45: 50
10.07.2016 Trainic world Ogose-Tokigawa Trail Run 50km (JPN) 49.6km
9:40:13 h Iwasawa, Isao   Overall: 141 M: 133 Cat M40: 25

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 2021 2019 2018 2017 2016

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2019 2018 2017 2016
SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup 3 15:59:29   18:58:03     14:23:18      
Trainic World 100 Km in Sai-No-Kuni 2           26:23:10 28:21:35    
Inagawa 100km Ultra-Marathon 2           5:23:38   13:55:32  
Trainic world Ogose-Tokigawa Trail Run 50km 2       9:19:59         9:40:13
Ultra-Trail Mt. Fuji (UTMF) 2   41:44:25   31:22:26