OCEANMAN Guanacaste Costa Rica 2026

OCEANMAN Guanacaste Costa Rica 2026 is an amateur open-water swimming event in Guanacaste, Costa Rica on 12 to 13 December 2026. The official OCEANMAN race page lists the 2026 dates and publishes open participation formats including OCEANMAN 10 km, HALF OCEANMAN 5 km, SPRINT 2 km, OCEANKIDS 500 m, and OCEANTEAMS 3 x 500 m, with sea swimming conditions and average air and water temperatures shown on the official page.