All available race results Herbert Osbaldeston Duncan
| Date | Race | Rank |
| 08/04 | 100 Miles Professional Championship of Britain | 4 |
| 10/04 | 25 Miles Professional Championship of England #1 | 3 |
| 21/05 | Angers - Course de fond 4 heures | 3 |
| 29/05 | V.C. Grenoblois - Course de fond professionels | 2 |
| 12/08 | Six Days Aberdeen #2 | 2 |
| 16/10 | Six Days Edinburgh | 2 |
Rider information for 1882
| Rank | 7 |
| Score | 212 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 26/03 | 10 Miles Professional Championship of Britain #1 | 4 |
| 12/05 | 25 Miles Professional Championship of England #1 | 6 |
| 03/06 | V.C. Grenoblois - Course de fond | 4 |
| 25/06 | Agen - Course de fond #2 | 4 |
| 04/08 | Six Days Aberdeen #2 | 1 |
| 26/08 | Nancy - Grande Internationale | 2 |
| 01/09 | Six Days 16 Hours Professional Bike Race Aberdeen | 3 |
Rider information for 1883
| Rank | 17 |
| Score | 188 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 12/04 | 20 Miles Professional Championship - #5 | 2 |
| 14/04 | 10 Miles Professional Championship of Britain | 4 |
| 08/05 | Cognac - Grande Internationale | 2 |
| 11/05 | Narbonne - Grande Internationale | 1 |
| 25/05 | Angers - Course de fond 4 heures | 1 |
| 31/05 | 25 Miles Professional Championship of England #1 | 3 |
| 16/06 | V.C. Grenoblois - Course de fond 4 heures | 1 |
| 22/06 | Agen - Grande Internationale | 1 |
| 23/06 | Agen - Course de fond 1 heure | 1 |
| 14/07 | Toulouse - Grande Internationale | 1 |
| 02/08 | 25 Miles Professional Championship of England #2 | 2 |
| 24/08 | Torino - Grande Internazionale | 1 |
| 31/08 | Fougères - Grand International | 2 |
| 14/09 | Bordeaux - Grande Internationale de l'Automne | 1 |
Rider information for 1884
| Rank | 1 |
| Score | 438 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 28/03 | 20 Miles Professional Championship | 3 |
| 04/04 | 50 Miles Professional Championship #5 | 1 |
| 10/05 | Cognac - Grande Internationale | 1 |
| 11/05 | Cognac - Course de fond | 1 |
| 04/06 | Bordeaux - Course de fond 1 heure | 6 |
| 21/06 | Agen - Grande Internationale | 1 |
| 22/06 | Agen - Course de fond 1 heure | 1 |
| 28/06 | Bergerac - Grande Internationale | 1 |
| 14/07 | Narbonne - Grande Internationale | 2 |
| 01/08 | 50 Miles Professional Championship #6 | 1 |
| 02/08 | 10 Miles Professional Championship of Britain #3 | 3 |
Rider information for 1885
| Rank | 1 |
| Score | 554 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 17/04 | 20 Miles Professional Championship | 2 |
| 24/04 | 50 Miles Professional Championship #7 | 1 |
| 26/04 | 10 Miles Professional Championship of Britain | 2 |
| 16/05 | München Frühjahrs-Meeting Berufsfahrer | 1 |
| 23/05 | Große Preis von Berlin | 2 |
| 30/05 | Große Preis von Bremen | 2 |
| 06/06 | Bielefeld-Meeting | 2 |
| 27/06 | Agen - Grande Internationale | 1 |
| 04/07 | Championnat de France 10 km | 1 |
| 11/07 | Auch - Grande Internationale | 4 |
| 14/07 | Toulouse - Grande Internationale | 1 |
| 19/07 | Mont-de-Marsan - Grande Internationale | 1 |
Rider information for 1886
| Rank | 2 |
| Score | 482 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 03/04 | Wien Renn-Meeting Berufsfahrer | 1 |
| 01/05 | München Frühjahrs-Meeting Berufsfahrer | 3 |
| 05/06 | Frankfurter Sommer-Meeting Berufsfahrer | 2 |
| 19/06 | Mannheim Meeting - Berufsfahrer | 2 |
| 23/07 | 25 Miles Professional Championship of England | 7 |
| 01/08 | 10 Miles Professional Championship of Britain #2 | 2 |
| 20/08 | 20 Miles Professional Championship | 2 |
Rider information for 1887
| Rank | 23 |
| Score | 197 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 01/07 | Championnat de France 10 km professionnel | 5 |
Rider information for 1888
| Rank | 247 |
| Score | 27 |
| Name | Herbert Osbaldeston DUNCAN |
| Country | Great Britain |
| Team | Individual |