Info
| Last name | Maenen |
| First name | Jules |
| Nationality |  Netherlands |
| Date of birth | 15-01-1932 |
| Place of birth | Valkenswaard |
| Passed away | 11-02-2007 |
| Age when passed away | 75 |
| Place of passing | Valkenswaard |
Grand tours
| Year | Giro d'Italia | Tour de France | Vuelta a España |
|---|---|---|---|
| 1954 | - | DNF | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Tour de France (GT) | |||||||
| 18-07 | OTL | Stage 10Bordeaux - Bayonne (202.0km) | |||||
| 16-07 | 15 | Stage 9Angers - Bordeaux (343.0km) | |||||
| 15-07 | 84 | Stage 8Vannes - Angers (190.0km) | |||||
| 14-07 | 18 | Stage 7Brest - Vannes (211.0km) | |||||
| 13-07 | 75 | Stage 6Saint-Brieuc - Brest (179.0km) | |||||
| 12-07 | 34 | Stage 5Caen - Saint-Brieuc (224.0km) | |||||
| 11-07 | 12 | Stage 4bRouen - Caen (131.0km) | |||||
| 10-07 | 103 | Stage 3Lille - Rouen (219.0km) | |||||
| 09-07 | 100 | Stage 2Beveren - Lille (255.0km) | |||||
| 08-07 | 85 | Stage 1Amsterdam - Brasschaat (216.0km) | |||||
| Ronde van Nederland (2.PRO) | |||||||
| 15 |  Standings | ||||||
| 02-05 | 10 | Stage 7Utrecht - Amsterdam (60.0km) | |||||
Teams
| Year | Team |
|---|---|
| 1957 | Radium - R.I.H. Sport |
| 1956 | Locomotief - Vredestein |
| 1955 | Locomotief - Vredestein |
Victories
| This year | 0 |
| Total | 0 |