Maratón San Blas
Movie| Title | Maratón San Blas |
| User score | 0 |
| Release date | Jan 1, 1971 |
| Genre | Documentary |
| Director | Marcos Betancourt |
| Production country | Puerto Rico |
| Production companies | Film Unit of the Division of Community Education, Puerto Rico, Divedco |
| Run time | 18 min. |
Documentary about the annual athletics event held in Coamo, with the participation of the world's best long-distance athletes.