19th Nisekibama Marathon (Half Marathon, 5km, 4km, 2km) (第19回 二色の浜マラソン大会（ハーフ・5km・4km・2km）)

On December 6, 2026, runners of all ages and abilities converge for a day filled with competitive spirit and community camaraderie at the annual race. The centerpiece is the half marathon, open to both male and female participants, with an ambitious yet achievable time limit set at two hours and twenty minutes. Alongside this challenging event are shorter races designed for younger athletes and more mature runners alike: a 5km run welcoming various age groups including men over 40 and women over 60; a 4km race specifically tailored for middle school boys; and a fun, accessible 2km option for both middle and elementary school girls and boys. The event promises scenic routes that showcase the area's natural beauty while providing an encouraging atmosphere for all competitors to enjoy their running experience.