| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Adrianus Johannes "Aad"•Steylen | |
| Used name | Aad•Steylen | |
| Born | 1 August 1935 in Schiebroek, Zuid-Holland |  NED |
| Measurements | 184 cm / 70 kg | |
| Affiliations | ASV — Eibergen, Gelderland | NED |
| NOC | Netherlands | NED |
Personal Best: Mar – 2-19:07 (1968).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Athletics | NED |
Aad Steylen | |||
| Marathon, Men (Olympic) | 27 |
