All available race results Masamichi Yamamoto
| Date | Race | Rank |
| 04/10 | World Championships U23 Time Trial | 63 |
Rider information for 1999
| Rank | 1127 |
| Score | 11 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 21/05 | Stage 1 | 17 |
| 22/05 | Stage 2 | 75 |
| 24/05 | Stage 3 | 63 |
| 26/05 | Stage 4 | 25 |
| 27/05 | Stage 5 | 79 |
| 28/05 | Stage 6 | 12 |
| General Classification | 56 | |
| 13/10 | World Championships U23 Road Race | 66 |
| 29/10 | Japan Cup | 21 |
Rider information for 2000
| Rank | 1173 |
| Score | 10 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 20/05 | Stage 1 | 4 |
| 21/05 | Stage 2 | 30 |
| 23/05 | Stage 3 | 39 |
| 25/05 | Stage 4 | 24 |
| 26/05 | Stage 5 | 39 |
| 27/05 | Stage 6 | 31 |
| General Classification | 32 |
Rider information for 2001
| Rank | 2701 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 19/05 | Stage 1 | 6 |
| 20/05 | Stage 2 | 74 |
| 22/05 | Stage 3 | 49 |
| 24/05 | Stage 4 | 74 |
| 25/05 | Stage 5 | 62 |
| 26/05 | Stage 6 | 12 |
| General Classification | 67 |
Rider information for 2002
| Rank | 2850 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Individual |
No results available in season 2003.
Rider information for 2003
| Rank | 2702 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Shimano Racing Team |
| Date | Race | Rank |
| Tour of Japan | ||
| 23/05 | Stage 1 | 39 |
| 24/05 | Stage 2 | 20 |
| 26/05 | Stage 3 | 31 |
| 28/05 | Stage 4 | 12 |
| 29/05 | Stage 5 | 19 |
| 30/05 | Stage 6 | 7 |
| General Classification | 18 |
Rider information for 2004
| Rank | 2635 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Shimano Racing |
| Date | Race | Rank |
| Volta ao Algarve | ||
| 16/02 | Stage 1 | 134 |
| 17/02 | Stage 2 | 23 |
| 18/02 | Stage 3 | 139 |
| 13/04 | Scheldeprijs - Schoten | 43 |
| Tour of Japan | ||
| 15/05 | Stage 1 | 39 |
| 20/05 | Stage 4 | 73 |
| 22/05 | Stage 6 | 71 |
| General Classification | 79 |
Rider information for 2005
| Rank | 1926 |
| Score | 4 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Shimano - Memory Corp |
No results available in season 2006.
Rider information for 2006
| Rank | 1392 |
| Score | 12 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Skil - Shimano |
| Date | Race | Rank |
| Tour de Taiwan | ||
| 19/03 | Stage 2 | 3 |
| 23/03 | Stage 6 | 7 |
| Tour of Japan | ||
| 20/05 | Stage 1 | 24 |
| 25/05 | Stage 5 | 69 |
| 27/05 | Stage 7 | 15 |
| General Classification | 82 |
Rider information for 2007
| Rank | 3699 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Skil - Shimano |
| Date | Race | Rank |
| Tour of Japan | ||
| 18/05 | Stage 1 | 10 |
| 25/05 | Stage 7 | 3 |
| 26/10 | Japan Cup | 51 |
Rider information for 2008
| Rank | 1358 |
| Score | 13 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Team Bridgestone Anchor |
| Date | Race | Rank |
| Tour de Taiwan | ||
| 08/03 | Stage 1 | 52 |
| 09/03 | Stage 2 | 68 |
| 10/03 | Stage 3 | 3 |
| 11/03 | Stage 4 | 69 |
| 12/03 | Stage 5 | 80 |
| 13/03 | Stage 6 | 56 |
| 14/03 | Stage 7 | 66 |
| General Classification | 49 | |
| Tour of Japan | ||
| 24/05 | Stage 7 | 7 |
Rider information for 2009
| Rank | 1540 |
| Score | 9 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Team Bridgestone Anchor |
| Date | Race | Rank |
| Tour de Taiwan | ||
| 14/03 | Stage 1 | 84 |
| 15/03 | Stage 2 | 28 |
| 16/03 | Stage 3 | 51 |
| 17/03 | Stage 4 | 7 |
| 18/03 | Stage 5 | 65 |
| 19/03 | Stage 6 | 66 |
| 20/03 | Stage 7 | 10 |
| General Classification | 69 | |
| Tour of Thailand | ||
| 01/04 | Prologue | 63 |
| 02/04 | Stage 1 | 110 |
| 03/04 | Stage 2 | 9 |
| 04/04 | Stage 3 | 17 |
| 05/04 | Stage 4 | 10 |
| 06/04 | Stage 5 | 53 |
| General Classification | 49 | |
| Tour of Japan | ||
| 23/05 | Stage 7 | 7 |
Rider information for 2010
| Rank | 4194 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Bridgestone Anchor |
| Date | Race | Rank |
| Tour of Thailand | ||
| 01/04 | Prologue | 42 |
| 02/04 | Stage 1 | 45 |
| 03/04 | Stage 2 | 31 |
| 04/04 | Stage 3 | 8 |
| 05/04 | Stage 4 | 92 |
| 06/04 | Stage 5 | 53 |
| General Classification | 52 |
Rider information for 2011
| Rank | 4436 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Bridgestone Anchor |
No results available in season 2015.
Rider information for 2015
| Rank | 4836 |
| Score | 0 |
| Name | Masamichi YAMAMOTO |
| Country | Japan |
| Team | Kinan Cycling Team |