| Name: | Iwasaki, Tsutomu | 岩崎勉 |
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| Club: | ぽぽちゃん | ||
| Residence: | Osaka Pref. | ||
| Year of birth: | 1967 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 309282 | ||
29 search results (29 Events, 3348.634 km). (More)
| 2025 | 1 Event, 160 km (More) | ||||
|---|---|---|---|---|---|
| 17.-18.05.2025 | Amagase Trail 160 km (JPN) | 160km | |||
| 33:40:13 h | Iwasaki, Tsutomu | Overall: 28 | M: 27 | Cat M55: 4 | |
| 2023 | 1 Event, 45 km (More) | ||||
| 16.04.2023 | IKOMA Nature Trail (JPN) | 45km | |||
| 6:05:47 h | Iwasaki, Tsutomu | Overall: 10 | M: 10 | Cat M55: 1 | |
| 2018 | 2 Events, 508.7 km (More) | ||||
| 28.09.-04.10.2018 | Ultra Trail Gobi Race (UTGR) 400 (CHN) | 400km | |||
| 5d 11:57:11 h | Iwasaki, Tsutomu | Overall: 25 | M: 22 | Cat M50: 4 | |
| 12.-13.05.2018 | Aso Round Trail (JPN) | 108.7km | |||
| 19:14:02 h | Iwasaki, Tsutomu | *Osaka Pref. | Overall: 32 | M: 27 | Cat M50: 3 |
| 2017 | 3 Events, 509.7 km (More) | ||||
| 21.10.2017 | Shigakogen Extreme Trail (JPN) | 54km | |||
| 9:09:24 h | Iwasaki, Tsutomu | *Osaka Pref. | Overall: 29 | M: 29 | Cat M45: 3 |
| 27.09.-03.10.2017 | Ultra Trail Gobi Race (UTGR) 400 (CHN) | 400km | |||
| 5d 14:25:57 h | Iwasaki, Tsutomu | Overall: 27 | M: 22 | Cat M45: 3 | |
| 21.05.2017 | Kobo Trail 2017 (JPN) | 55.7km | |||
| 10:12:33 h | Iwasaki, Tsutomu | Overall: 12 | M: 11 | Cat M45: 3 | |
| 2016 | 4 Events, 592.5 km (More) | ||||
| 23.10.2016 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 6:38:08 h | Iwasaki, Tsutomu | Overall: 19 | M: 18 | Cat M45: 2 | |
| 09.-10.10.2016 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 13:55:22 h | Iwasaki, Tsutomu | ぽぽちゃん | Overall: 453 | M: 418 | Cat M45: 80 |
| 07.-15.08.2016 | Trans Japan Alps Race (TJAR) (JPN) | 415km | |||
| 7d 17:48:00 h | Iwasaki, Tsutomu | Overall: 21 | M: 21 | Cat M45: 3 | |
| 28.05.2016 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 7:38:18 h | Iwasaki, Tsutomu | Overall: 106 | M: 100 | Cat M45: 10 | |
| 2015 | 3 Events, 291.8 km (More) | ||||
| 31.10.-01.11.2015 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:57:40 h | Iwasaki, Tsutomu | ぽぽちゃん | Overall: 219 | M: 205 | Cat M45: 25 |
| 25.-27.09.2015 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 170.3km | |||
| 35:10:52 h | Iwasaki, Tsutomu | Overall: 163 | M: 139 | Cat M45: 17 | |
| 30.05.2015 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 8:36:26 h | Iwasaki, Tsutomu | *Osaka Pref. | Overall: 101 | M: 98 | Cat M45: 19 |
| 2014 | 4 Events, 344.434 km (More) | ||||
| 25.10.2014 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 6:35:39 h | Iwasaki, Tsutomu | Overall: 18 | M: 17 | Cat M45: 2 | |
| 12.-13.10.2014 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 11:51:53 h | Iwasaki, Tsutomu | Overall: 312 | M: 293 | Cat M45: 37 | |
| 25.-27.04.2014 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 100mi | |||
| 44:25:26 h | Iwasaki, Tsutomu | *Osaka Pref. | Overall: 704 | M: 617 | Cat M45: 104 |
| 30.03.2014 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 6:08:53 h | Iwasaki, Tsutomu | Overall: 9 | M: 9 | Cat M45: 1 | |
| 2013 | 2 Events, 171.5 km (More) | ||||
| 13.-14.10.2013 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:57:29 h | Iwasaki, Tsutomu | Overall: 170 | M: 155 | Cat M45: 16 | |
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:23:54 h | Iwasaki, Tsutomu | 大阪陸協 | Overall: 426 | M: 386 | Cat M45: 75 |
| 2012 | 2 Events, 216 km (More) | ||||
| 01.12.2012 | Kepler Challenge Mountain Run (NZL) | 60km | |||
| 7:25:38 h | Iwasaki, Tsutomu | *Osaka | Overall: 127 | M: 108 | Cat M40: 18 |
| 18.-20.05.2012 | Ultra-Trail Mount Fuji (UTMF) (JPN) | 156km | |||
| 36:01:53 h | Iwasaki, Tsutomu | *Osaka Pref. | Overall: 162 | M: 151 | Cat M40: 30 |
| 2010 | 1 Event, 80 km (More) | ||||
| 14.11.2010 | OSJ Hyonosen Mountains Trail Race (JPN) | 80km | |||
| 14:34:13 h | Iwasaki, Tsutomu | *Osaka Pref. | Overall: 47 | M: 46 | Cat M40: 11 |
| 2006 | 1 Event, 71.5 km (More) | ||||
| 08.-09.10.2006 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 12:55:15 h | Iwasaki, Tsutomu | メスカリート | Overall: 196 | M: 183 | Cat M35: 37 |
| 2005 | 1 Event, 71.5 km (More) | ||||
| 09.-10.10.2005 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 12:08:52 h | Iwasaki, Tsutomu | メスカリート | Overall: 92 | M: 90 | Cat M35: 13 |
| 2004 | 1 Event, 71.5 km (More) | ||||
| 10.-11.10.2004 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:47:27 h | Iwasaki, Tsutomu | フジカワ山岳会 | Overall: 19 | M: 19 | Cat M35: 2 |
| 2003 | 1 Event, 71.5 km (More) | ||||
| 25.-26.10.2003 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:56:39 h | Iwasaki, Tsutomu | Overall: 40 | M: 37 | Cat M35: 7 | |
| 2002 | 1 Event, 71.5 km (More) | ||||
| 12.-13.10.2002 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:43:04 h | Iwasaki, Tsutomu | ダイハード | Overall: 17 | M: 15 | Cat M23: 11 |
| 2001 | 1 Event, 71.5 km (More) | ||||
| 06.-07.10.2001 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:54:30 h | Iwasaki, Tsutomu | ともしび山岳会 | Overall: 21 | M: 19 | Cat M23: 10 |
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 | 2023 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2010 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | |
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| 100km | 10:23:54 |
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10:23:54
(2140/636) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2010 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hasetsune Cup - Japan Mountain Endurance Race | 10 | 13:55:22 | 10:57:40 | 11:51:53 | 10:57:29 | 12:55:15 | 12:08:52 | 10:47:27 | 10:56:39 | 10:43:04 | 10:54:30 | ||||||
| Ultra-Trail Mount Fuji (UTMF) | 3 | 35:10:52 | 44:25:26 | 36:01:53 | |||||||||||||
| Mt. Hiei Int. 50 Km Trail Run | 2 | 7:38:18 | 8:36:26 | ||||||||||||||
| Ultra Trail Gobi Race (UTGR) 400 | 2 | 131:57:11 | 134:25:57 | ||||||||||||||
| Mt. Rocco Cannonball Run - 56 Km Speed | 2 | 6:38:08 | 6:08:53 |





