Same race results
Results in races where both riders started.
| # | Date | Race | Daan de Groot | Frans Mahn | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | 1958-06-22 | Ronde van Nederland | General classification | 34 | 43 | ||||
| 2 | 1958-04-08 | 3 jours d'Anvers | Stage 1b | 35 | DNF | ||||
| 3 | 1957-08-18 | World Championships - Road Race | DNF | 28 | ||||
| 4 | 1957-05-01 | 4 Jours de Dunkerque / Tour du Nord-pas-de-Calais | General classification | 33 | 32 | ||||
| 5 | 1957-05-01 | 4 Jours de Dunkerque / Tour du Nord-pas-de-Calais | Stage 4 (ITT) | DF | DF | ||||
| 6 | 1957-04-30 | 4 Jours de Dunkerque / Tour du Nord-pas-de-Calais | Stage 3 | DF | 3 | ||||
| 7 | 1957-04-29 | 4 Jours de Dunkerque / Tour du Nord-pas-de-Calais | Stage 2 | DF | 2 | ||||
| 8 | 1957-04-28 | 4 Jours de Dunkerque / Tour du Nord-pas-de-Calais | Stage 1 | DF | DF | ||||
| 2 | 4 |