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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Aizawa, Masakazu 相澤正和   Submit Personal Website Send Link 
Club: まったり組 
Residence: Takasaki
Year of birth: 1972 (Cat. german: M50)
Date of birth: 26.09.1972 (Cat. internat.: M50)
Nationality: JPN JPN Japan
RunnerID: 356768
 

40 search results (40 Events, 4320.568 km).  (More)

2025 5 Events, 757.934 km  (More)
28.-30.12.2025 Kyoto Great Round 130 km (JPN) 130km
28:32:35 h Aizawa, Masakazu   Overall: 90 M: 82 Cat M50: 15
13.-15.09.2025 Shinetsu Five Mountains Trail 100 mile (JPN) 100mi
30:39:46 h Aizawa, Masakazu   Overall: 128 M: 116 Cat M50: 13
20.07.2025 OSJ Ontake 100km Ultra Trail (JPN) 100km
13:28:19 h Aizawa, Masakazu Gum100Ren  Overall: 242 M: 217 Cat M50: 35
25.-26.04.2025 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
36:21:52 h Aizawa, Masakazu Gum100Ren  Overall: 444 M: 406 Cat M50: 53
15.-16.03.2025 Little Edo Oedo 200k (JPN) 200km
29:27:11 h Aizawa, Masakazu Gum100Ren  Overall: 35 M: 34 Cat M50: 9
2024 3 Events, 390.934 km  (More)
29.-30.12.2024 Kyoto Great Round 130 km (JPN) 130km
25:55:14 h Aizawa, Masakazu   Overall: 31 M: 30 Cat M50: 3
14.-16.09.2024 Shinetsu Five Mountains Trail 100 mile (JPN) 100mi
26:19:55 h Aizawa, Masakazu Gum100Ren  Overall: 96 M: 87 Cat M50: 12
10.03.2024 Ibaraki 100k Ultra Marathon (JPN) 100km
9:36:42 h Aizawa, Masakazu   Overall: 50 M: 48 Cat M50: 9
2023 9 Events, 955 km  (More)
29.-30.12.2023 Kyoto Great Round 130 km (JPN) 130km
28:31:04 h Aizawa, Masakazu   Overall: 46 M: 41 Cat M50: 5
10.12.2023 Izu Trail Journey (JPN) 70km
9:31:23 h Aizawa, Masakazu Gum100Ren  Overall: 199 M: 184 Cat M50: 14
17.-18.09.2023 Shinetsu Five Mountains Trail 110km (JPN) 110km
18:55:19 h Aizawa, Masakazu Gum100Ren  Overall: 70 M: 61 Cat M50: 7
16.07.2023 OSJ Ontake 100km Ultra Trail (JPN) 100km
14:43:11 h Aizawa, Masakazu GUM 100 REN  Overall: 125 M: 122 Cat M50: 19
04.06.2023 Ultramarathon Okumusashi (JPN) 78km
8:03:21 h Aizawa, Masakazu Gum100Ren  Overall: 92 M: 74 Cat M50: 14
21.05.2023 Yatsugatake Nobeyama 100 km (JPN) 100km
12:30:01 h Aizawa, Masakazu   Overall: 233 M: 216 Cat M50: 47
21.-23.04.2023 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
31:33:08 h Aizawa, Masakazu Gum100Ren  Overall: 247 M: 226 Cat M50: 31
21.03.2023 Akagiyama 100 (JPN) 100km
11:20:04 h Aizawa, Masakazu   Overall: 5 M: 5 Cat M50: 1
12.03.2023 Ibaraki 100k Ultra Marathon (JPN) 100km
9:24:21 h Aizawa, Masakazu   Overall: 25 M: 25 Cat M50: 4
2022 4 Events, 437 km  (More)
11.12.2022 Izu Trail Journey (JPN) 70km
9:26:34 h Aizawa, Masakazu Gum100Ren  Overall: 183 M: 167 Cat M50: 12
22.05.2022 Yatsugatake Nobeyama 100 km (JPN) 100km
11:41:14 h Aizawa, Masakazu   Overall: 185 M: 172 Cat M45: 34
22.-24.04.2022 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
29:33:21 h Aizawa, Masakazu *Gunma Pref.  Overall: 243 M: 217 Cat M45: 47
13.03.2022 Ibaraki 100k Ultra Marathon (JPN) 100km
10:06:40 h Aizawa, Masakazu   Overall: 69 M: 64 Cat M45: 8
2021 1 Event, 130 km  (More)
29.-30.12.2021 Kyoto Great Round (JPN) 130km
26:02:58 h Aizawa, Masakazu   Overall: 20 M: 18 Cat M45: 5
2020 1 Event, 130 km  (More)
29.-30.12.2020 Kyoto Great Round (JPN) 130km
27:11:14 h Aizawa, Masakazu   Overall: 31 M: 26 Cat M45: 9
2019 3 Events, 342.7 km  (More)
08.12.2019 Izu Trail Journey (JPN) 71.7km
9:19:44 h Aizawa, Masakazu   Overall: 240 M: 227 Cat M45: 38
30.08.-01.09.2019 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 171km
45:10:08 h Aizawa, Masakazu *Gunmaken  Overall: 1360 M: 1250 Cat M45: 272
19.05.2019 Yatsugatake Nobeyama 100 km (JPN) 100km
11:03:12 h Aizawa, Masakazu   Overall: 202 M: 187 Cat M45: 46
2018 4 Events, 414.2 km  (More)
09.12.2018 Izu Trail Journey (JPN) 71.7km
12:10:36 h Aizawa, Masakazu   Overall: 664 M: 602 Cat M45: 121
07.-08.10.2018 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
21:36:48 h Aizawa, Masakazu まったり組  Overall: 1318 M: 1137 Cat M45: 276
31.08.-01.09.2018 Courmayeur-Champex-Chamonix (CCC) (ITA) 101km
25:47:56 h Aizawa, Masakazu   Overall: 1439 M: 1276 Cat M45: 266
27.-29.04.2018 Ultra-Trail Mt. Fuji (UTMF) (JPN) 170km
43:27:34 h Aizawa, Masakazu まったり組  Overall: 729 M: 626 Cat M45: 128
2017 3 Events, 244.2 km  (More)
08.-09.10.2017 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
19:32:47 h Aizawa, Masakazu まったり組  Overall: 1257 M: 1094 Cat M45: 257
25.06.2017 Spatrail - Shima to Kusatsu (JPN) 72.7km
11:52:39 h Aizawa, Masakazu   Overall: 422 M: 385 Cat M40: 88
21.05.2017 Yatsugatake Nobeyama 100 km (JPN) 100km
13:33:25 h Aizawa, Masakazu チーム野蛮  Overall: 748 M: 662 Cat M40: 125
2016 3 Events, 244.2 km  (More)
09.-10.10.2016 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
17:00:32 h Aizawa, Masakazu まったり組  Overall: 977 M: 890 Cat M40: 219
26.06.2016 Spatrail - Shima to Kusatsu (JPN) 72.7km
11:33:58 h Aizawa, Masakazu   Overall: 292 M: 259 Cat M40: 68
22.05.2016 Yatsugatake Nobeyama 100 km (JPN) 100km
12:32:58 h Aizawa, Masakazu まったり組  Overall: 527 M: 476 Cat M40: 104
2014 2 Events, 152.9 km  (More)
12.-13.10.2014 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
16:40:00 h Aizawa, Masakazu まったり組  Overall: 1147 M: 1060 Cat M40: 247
15.06.2014 Spatrail - Shima to Kusatsu (JPN) 81.4km
12:33:20 h Aizawa, Masakazu   Overall: 192 M: 172 Cat M40: 45
2013 1 Event, 50 km  (More)
06.10.2013 Madarao Forest Trails 50km (JPN) 50km
8:06:16 h Aizawa, Masakazu KRC  Overall: 255 M: 198 Cat M40: 34
2012 1 Event, 71.5 km  (More)
07.-08.10.2012 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
17:31:43 h Aizawa, Masakazu   Overall: 1164 M: 1052 Cat M40: 244

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 2020 2019 2018 2017 2016 2014 2013 2012

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2014 2013 2012
Kyoto Great Round 5 28:32:35 25:55:14 28:31:04   26:02:58 27:11:14              
Hasetsune Cup - Japan Mountain Endurance Race 5               21:36:48 19:32:47 17:00:32 16:40:00   17:31:43
Yatsugatake Nobeyama 100 km 5     12:30:01 11:41:14     11:03:12   13:33:25 12:32:58      
Izu Trail Journey 4     9:31:23 9:26:34     9:19:44 12:10:36          
Ultra-Trail Mt. Fuji (UTMF) 4 36:21:52   31:33:08 29:33:21       43:27:34          
Ibaraki 100k Ultra Marathon 3   9:36:42 9:24:21 10:06:40                  
Spatrail - Shima to Kusatsu 3                 11:52:39 11:33:58 12:33:20    
Shinetsu Five Mountains Trail 100 mile 2 30:39:46 26:19:55                      
OSJ Ontake 100km Ultra Trail 2 13:28:19   14:43:11