Documentary about the annual athletics event held in Coamo, with the participation of the world's best long-distance athletes.
| Release Date | January 1, 1971 | |
|---|---|---|
| Status | Released | |
| Original Title | Maratón San Blas | |
| Runtime | 18min | |
| Budget | — | |
| Revenue | — | |
| Language | Spanish | |
| Original Language | Spanish | |
| Production Countries | Puerto Rico | |
| Production Companies | Film Unit of the Division of Community Education, Puerto RicoDivedco | |