| Name: | Masumoto, Tatsuo | 桝本辰夫 |
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| Club: | |||
| Residence: | Hyogo Pref. | ||
| Year of birth: | 1947 | (Cat. german: M75) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M75) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 176306 | ||
20 search results (20 Events, 1820 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 50 Km Ultramarathon (JPN) | 50km | |||
| 7:58:05 h | Masumoto, Tatsuo | Overall: 372 | M: 240 | Cat M75: 7 | |
| 2024 | 1 Event, 50 km (More) | ||||
| 30.06.2024 | Lake Saroma 50 Km Ultramarathon (JPN) | 50km | |||
| 7:49:49 h | Masumoto, Tatsuo | Overall: 346 | M: 231 | Cat M75: 8 | |
| 2023 | 1 Event, 50 km (More) | ||||
| 25.06.2023 | Lake Saroma 50 Km Ultramarathon (JPN) | 50km | |||
| 6:21:21 h | Masumoto, Tatsuo | Overall: 112 | M: 78 | Cat M75: 1 | |
| 2017 | 1 Event, 100 km (More) | ||||
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:38:48 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 1754 | M: 1521 | Cat M65: 40 |
| 2016 | 2 Events, 200 km (More) | ||||
| 09.10.2016 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 12:49:16 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 819 | M: 700 | Cat M65: 12 |
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:40:42 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 2210 | M: 1906 | Cat M65: 57 |
| 2015 | 1 Event, 100 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:15:41 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 1005 | M: 901 | Cat M65: 14 |
| 2014 | 1 Event, 100 km (More) | ||||
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:52:14 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 769 | M: 670 | Cat M65: 18 |
| 2013 | 1 Event, 100 km (More) | ||||
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:32:10 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 471 | M: 428 | Cat M65: 6 |
| 2012 | 2 Events, 200 km (More) | ||||
| 19.08.2012 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 11:03:54 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 58 | M: 49 | Cat M60: 1 |
| 24.06.2012 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:48:06 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 629 | M: 556 | Cat M60: 24 |
| 2011 | 3 Events, 270 km (More) | ||||
| 21.08.2011 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 11:18:38 h | Masumoto, Tatsuo | Overall: 54 | M: 51 | Cat M60: 2 | |
| 26.06.2011 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:35:46 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 901 | M: 792 | Cat M60: 37 |
| 03.05.2011 | Mukogawa Yurikamome Ultra Marathon (JPN) | 70km | |||
| 7:34:01 h | Masumoto, Tatsuo | Overall: 217 | M: 194 | Cat M60: 7 | |
| 2010 | 2 Events, 200 km (More) | ||||
| 09.10.2010 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 11:10:22 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 262 | M: 234 | Cat M60: 13 |
| 27.06.2010 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:48:00 h | Masumoto, Tatsuo | *Hyogo | Overall: 755 | M: 661 | Cat M60: 29 |
| 2009 | 2 Events, 200 km (More) | ||||
| 18.10.2009 | River Shimanto 100km (JPN) | 100km | |||
| 10:45:29 h | Masumoto, Tatsuo | *Hyogo Pref. | Overall: 209 | M: 186 | Cat M60: 8 |
| 28.06.2009 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:20:17 h | Masumoto, Tatsuo | *Hyogo | Overall: 485 | M: 446 | Cat M60: 14 |
| 2005 | 1 Event, 100 km (More) | ||||
| 25.09.2005 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 12:36:57 h | Masumoto, Tatsuo | *Kobe City | Overall: 67 | M: 64 | Cat M55: 5 |
| 2003 | 1 Event, 100 km (More) | ||||
| 19.10.2003 | River Shimanto 100km (JPN) | 100km | |||
| 9:51:33 h | Masumoto, Tatsuo | Overall: 115 | M: 104 | Cat M55: 4 | |
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 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2005 | 2003 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50km | 6:21:21 |
7:58:05
(16461/368) |
7:49:49
(15744/350) |
6:21:21
(12239/134) |
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| 100km | 9:51:33 |
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12:38:48
(6149/2827) |
12:40:42
(6704/3613) |
11:15:41
(3891/1693) |
11:52:14
(4509/1494) |
10:32:10
(2323/700) |
10:48:06
(2617/705) |
11:35:46
(3632/1030) |
11:48:00
(3696/974) |
10:20:17
(1946/578) |
|
9:51:33
(961/118) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2005 | 2003 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 9 | 12:38:48 | 12:40:42 | 11:15:41 | 11:52:14 | 10:32:10 | 10:48:06 | 11:35:46 | 11:48:00 | 10:20:17 | |||||
| Lake Saroma 50 Km Ultramarathon | 3 | 7:58:05 | 7:49:49 | 6:21:21 | |||||||||||
| Echigo Kubikino 100km Ultramarathon | 2 | 12:49:16 | 11:10:22 | ||||||||||||
| North Okhotsk 100 Km Marathon | 2 | 11:03:54 | 11:18:38 | ||||||||||||
| River Shimanto 100km | 2 | 10:45:29 | 9:51:33 |





