| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Tjabel•Boonstra |
| Used name | Tjabel•Boonstra |
| Born | 4 June 1899 in Assen, Drenthe (NED) |
| Died | 18 May 1968 in Amsterdam, Noord-Holland (NED) |
| Affiliations | De Germaan, Amsterdam (NED) |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Cycling Track (Cycling) | NED |
Tjabel Boonstra | |||
| Sprint, Men (Olympic) | 3 h4 r1/6 | |||||
| Tandem Sprint, 2,000 metres, Men (Olympic) | Piet Beets | 3 h2 r1/3 |