All available race results Harm Smits
| Date | Race | Rank |
| 02/08 | World Championships Road Race (Amateurs) | 12 |
Rider information for 1947
| Rank | 565 |
| Score | 41 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 18/04 | Ronde van Vlaanderen | 66 |
| Ronde van Nederland | ||
| 25/04 | Stage 2 | 8 |
| 29/04 | Stage 6b | 9 |
| 01/05 | Stage 8 | 8 |
| General Classification | 29 |
Rider information for 1948
| Rank | 500 |
| Score | 68 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | J.B. Louvet - De Dion - Bouton |
| Date | Race | Rank |
| 24/04 | Paris - Bruxelles | 71 |
| Ronde van Nederland | ||
| 06/05 | Stage 1 | 2 |
| 07/05 | Stage 2 | 5 |
| 14/05 | Stage 9b | 6 |
| 15/05 | Stage 10 | 10 |
| 15/05 | General Classification | 16 |
| 22/05 | Schlossberg Rundfahrt | 14 |
| 27/08 | Tour du Lac Léman | 7 |
Rider information for 1949
| Rank | 275 |
| Score | 180 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Joco De Jonge & Co |
| Date | Race | Rank |
| 23/04 | Liège - Bastogne - Liège | 59 |
| Ronde van Nederland | ||
| 27/05 | Stage 4 | 9 |
| 31/05 | Stage 7 | 8 |
| 31/05 | General Classification | 13 |
| 04/06 | Vier Kantone-Rundfahrt | 13 |
| 01/08 | Scheldeprijs - Schoten | 13 |
| 26/08 | Tour du Lac Léman | 7 |
Rider information for 1950
| Rank | 343 |
| Score | 144 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Garin - Wolber |
| Date | Race | Rank |
| 04/03 | Ronde van Limburg | 6 |
| 25/03 | Gent - Wevelgem | 22 |
| Ronde van Nederland | ||
| 10/06 | General Classification | 30 |
| Deutschlandrundfahrt | ||
| 23/07 | Stage 3 | 7 |
| 24/07 | Stage 4 | 6 |
| 30/07 | Stage 9 | 5 |
| 04/08 | Stage 14 | 10 |
| 04/08 | General Classification | 20 |
Rider information for 1951
| Rank | 279 |
| Score | 149 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Ceylon - Joco - Pontiac |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 03/06 | Stage 2 | 7 |
| 04/06 | Stage 3 | 6 |
| 05/06 | Stage 4b | 4 |
| 06/06 | Stage 5 | 6 |
| 07/06 | Stage 6 | 10 |
| 08/06 | General Classification | 10 |
| Deutschlandrundfahrt | ||
| 09/08 | Stage 4 | 6 |
| 11/08 | Stage 5 | 5 |
| 12/08 | Stage 6 | 1 |
| 16/08 | Stage 9a | 7 |
| 16/08 | Stage 9b | 7 |
| 19/08 | General Classification | 8 |
Rider information for 1952
| Rank | 173 |
| Score | 279 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Odol |
| Date | Race | Rank |
| Dreitage Deutschlands | ||
| 01/05 | Stage 1 | 3 |
| 02/05 | Stage 2 | 5 |
| 03/05 | General Classification | 7 |
Rider information for 1953
| Rank | 643 |
| Score | 26 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Individual |
No results available in season 1954.
Rider information for 1954
| Rank | 1376 |
| Score | 0 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Feru |
| Date | Race | Rank |
| 07/08 | G.P. Veith | 11 |
Rider information for 1955
| Rank | 1017 |
| Score | 9 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Dossche Sport - Titan |
No results available in season 1956.
Rider information for 1956
| Rank | 797 |
| Score | 14 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Mars |
No results available in season 1957.
Rider information for 1957
| Rank | 1323 |
| Score | 0 |
| Name | Harm SMITS |
| Country | Netherlands |
| Team | Radium - R.I.H. Sport |