Challenge Gunsan-Saemangeum takes place on 30 May 2027 in Gunsan, South Korea. The race starts at 07:00 at Bieung Beach and Bieung Port, and the organizer is Challenge Family. The race director is James Lee. Two distances are offered: a middle distance (1.9 km swim, 90 km bike, 21.1 km run) and a standard distance (1.5 km swim, 40 km bike, 10 km run).
The swim is two laps from Bieung Beach, followed by a 500 m run to T1. The bike is four laps on the 33.9 km Saemangeum seawall, with roads controlled by police and volunteers. The run is four laps along the coastline at Bieung Port, and the finish arch is in the transition area.
Entry includes a medal, a T-shirt and a swim cap, and a Tri Together option is available. The official hotel is the Best Western Gunsan Hotel. Details and registration are on the Challenge Family race page.
