The Colfax Marathon returned to its traditional spring outing Sunday in City Park. The city’s largest running event attracted an estimated 11,000 in the marathon, half-marathon, 10-miler and marathon relay. Another 5,000 ran in a 5-kilometer race on Saturday. The marathon races began in 2006. It was canceled in May 2020 and postponed from May until October in 2021 because of COVID-19.