The IRONMAN San Andres 70.3 starts with a 1.9km swim in the Caribbean Sea’s clear turquoise waters. The protected bay provides calm conditions for athletes throughout the single-loop swim course.
The 90km bike segment consists of two laps around the island on flat roads. Athletes circle the island’s perimeter, with constant views of the Caribbean Sea throughout both loops of the course.
The run comprises three laps totalling 21.1km on a flat route along the coastline. Athletes can maintain consistent pacing while viewing the ocean throughout the run.
San Andres Island experiences tropical climate in mid-June with average daytime temperatures of 30-32°C (86-90°F) and overnight lows around 26°C (79°F). Humidity levels reach 80-85% with frequent brief afternoon showers. Caribbean Sea water temperature averages 28-29°C (82-84°F).
Wind conditions typically range from 15-25 km/h (9-15 mph), with occasional stronger gusts. UV index is very high, averaging 10-11 during race hours. The island’s location can experience sudden weather changes, with short but intense tropical showers common during afternoon hours.
