Masatoshi Arai
| Nationality | |
| Year of birth | 1956 |
| IOF ID | 25505 |
| Gender | Male |
| Discipline | FootO, TrailO |
TrailO results
| Date | Name | Organisers | Class | Organisation | Plac | Time | Diff | Km time | |
|---|---|---|---|---|---|---|---|---|---|
| 02/12/2019 | PreO stage 1 | Orienteering Association of Hong Kong | Open | Japan |  |
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| 01/12/2019 | TemoO qual | Orienteering Association of Hong Kong | Open | Japan | |
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| 29/11/2019 | Asian Trail Orienteering Championships 2019 | Orienteering Association of Hong Kong | Open Athlete | Japan | |
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| 23/06/2019 | World Trail Orienteering Championships 2019 | Portuguese Orienteering Federation FPO | Open Athlete | Japan | |
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| 28/04/2019 | 14th Japan Trail Orienteering Championships | Japanese Orienteering Federation | Elite | JPN | 6 | completed |  |
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| 27/04/2019 | 14th Japan Trail Orienteering Championships | Japanese Orienteering Federation | Elite | JPN | 24 | completed | |
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| 04/08/2018 | World Trail Orienteering Championships 2018 | Latvian Orienteering Federation | Officials | Japan | |
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| 03/08/2018 | Falco Cup | Lithuanian Orienteering Federation | Open Elite | JPN | 56 | completed | |
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| 10/07/2017 | World Trail Orienteering Championships |
Lithuanian Orienteering Federation OSK Falco |
Athlete accreditation | Japan | |
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| 22/08/2016 | World Trail Orienteering Championships 2016 |
Bohuslan Dals OF Swedish Orienteering Federation |
Officials | Japan | |
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