All available race results Masahiro Shinagawa
| Date | Race | Rank |
| Tour of Japan | ||
| 19/05 | Stage 1 | 36 |
| 20/05 | Stage 2 | 48 |
| 22/05 | Stage 3 | 41 |
| 24/05 | Stage 4 | 36 |
| 25/05 | Stage 5 | 44 |
| 26/05 | Stage 6 | 21 |
| General Classification | 38 |
Rider information for 2002
| Rank | 2797 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| 19/03 | Nokere Koerse | 42 |
Rider information for 2003
| Rank | 2697 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Team Nippon Hodo |
| Date | Race | Rank |
| Tour of Japan | ||
| 23/05 | Stage 1 | 84 |
| 24/05 | Stage 2 | 49 |
| 26/05 | Stage 3 | 53 |
| 28/05 | Stage 4 | 46 |
| 29/05 | Stage 5 | 41 |
| 30/05 | Stage 6 | 31 |
| General Classification | 50 |
Rider information for 2004
| Rank | 3144 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Belgium | ||
| 25/04 | Stage 1 | 17 |
| Eneco Tour | ||
| 03/08 | Prologue | 162 |
| 04/08 | Stage 1 | 107 |
| 05/08 | Stage 2 | 120 |
| 06/08 | Stage 3 | 157 |
| 07/08 | Stage 4 | 137 |
| 23/08 | G.P. Stad Zottegem | 66 |
| 11/09 | G.P. de Fourmies | 51 |
| 24/09 | Profronde van Midden-Zeeland | 42 |
| 23/10 | Japan Cup | 29 |
Rider information for 2005
| Rank | 2782 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Shimano - Memory Corp |
| Date | Race | Rank |
| 4 Jours de Dunkerque | ||
| 03/05 | Stage 1 | 105 |
| 04/05 | Stage 2 | 157 |
| Tour of Japan | ||
| 14/05 | Stage 1 | 6 |
| 15/05 | Stage 2 | 36 |
| 17/05 | Stage 3 | 33 |
| 19/05 | Stage 4 | 73 |
| 20/05 | Stage 5 | 31 |
| 21/05 | Stage 6 | 35 |
| General Classification | 32 | |
| 06/09 | Memorial Rik Van Steenbergen | 42 |
| 15/09 | Kampioenschap van Vlaanderen - Koolskamp | 76 |
| 22/10 | Japan Cup | 23 |
Rider information for 2006
| Rank | 3072 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Skil - Shimano |
| Date | Race | Rank |
| Tour of Siam | ||
| 21/01 | Stage 2 | 56 |
| Tour de Langkawi | ||
| 02/02 | Stage 1 | 18 |
| 03/02 | Stage 2 | 10 |
| 04/02 | Stage 3 | 87 |
| 05/02 | Stage 4 | 6 |
| 06/02 | Stage 5 | 31 |
| 07/02 | Stage 6 | 18 |
| 08/02 | Stage 7 | 19 |
| 09/02 | Stage 8 | 98 |
| 10/02 | Stage 9 | 77 |
| 11/02 | Stage 10 | 8 |
| General Classification | 82 | |
| Post Danmark Rundt | ||
| 01/08 | Stage 1 | 32 |
| 02/08 | Stage 2 | 74 |
| 03/08 | Stage 3 | 62 |
| 04/08 | Stage 4 | 59 |
| 04/08 | Stage 5 | 106 |
| 05/08 | Stage 6 | 54 |
| General Classification | 59 |
Rider information for 2007
| Rank | 3671 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Skil - Shimano |
| Date | Race | Rank |
| Tour of Japan | ||
| 18/05 | Stage 1 | 90 |
| 26/10 | Japan Cup | 21 |
Rider information for 2008
| Rank | 3891 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Aisan Racing Team |
| Date | Race | Rank |
| 25/10 | Japan Cup | 16 |
Rider information for 2009
| Rank | 3111 |
| Score | 1 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Aisan Racing Team |
| Date | Race | Rank |
| Tour de Langkawi | ||
| 01/03 | Stage 1 | 82 |
| 02/03 | Stage 2 | 46 |
| 03/03 | Stage 3 | 70 |
| 04/03 | Stage 4 | 35 |
| 05/03 | Stage 5 | 34 |
| 06/03 | Stage 6 | 63 |
| 07/03 | Stage 7 | 58 |
| General Classification | 56 | |
| Tour de Taiwan | ||
| 14/03 | Stage 1 | 47 |
| 15/03 | Stage 2 | 26 |
| 16/03 | Stage 3 | 4 |
| 17/03 | Stage 4 | 19 |
| 18/03 | Stage 5 | 11 |
| 19/03 | Stage 6 | 41 |
| 20/03 | Stage 7 | 33 |
| General Classification | 28 | |
| Tour of Thailand | ||
| 01/04 | Prologue | 77 |
| 02/04 | Stage 1 | 19 |
| 03/04 | Stage 2 | 14 |
| 04/04 | Stage 3 | 18 |
| 05/04 | Stage 4 | 14 |
| 06/04 | Stage 5 | 16 |
| General Classification | 35 | |
| 24/10 | Japan Cup | 13 |
Rider information for 2010
| Rank | 1231 |
| Score | 19 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Aisan Racing Team |
| Date | Race | Rank |
| Tour de Langkawi | ||
| 23/01 | Stage 1 | 69 |
| 24/01 | Stage 2 | 135 |
| 23/10 | Japan Cup | 17 |
Rider information for 2011
| Rank | 4484 |
| Score | 0 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Aisan Racing Team |
| Date | Race | Rank |
| Tour de Langkawi | ||
| 24/02 | Stage 1 | 96 |
| 25/02 | Stage 2 | 20 |
| 26/02 | Stage 3 | 106 |
| 27/02 | Stage 4 | 38 |
| 28/02 | Stage 5 | 105 |
| 29/02 | Stage 6 | 77 |
| 01/03 | Stage 7 | 44 |
| 02/03 | Stage 8 | 12 |
| 03/03 | Stage 9 | 108 |
| 04/03 | Stage 10 | 14 |
| General Classification | 81 | |
| Tour of Thailand | ||
| 01/04 | Stage 1 | 40 |
| 02/04 | Stage 2 | 11 |
| 03/04 | Stage 3 | 5 |
| 04/04 | Stage 4 | 44 |
| 05/04 | Stage 5 | 61 |
| 06/04 | Stage 6 | 94 |
| General Classification | 23 | |
| 21/10 | Japan Cup | 11 |
Rider information for 2012
| Rank | 3390 |
| Score | 1 |
| Name | Masahiro SHINAGAWA |
| Country | Japan |
| Team | Aisan Racing Team |