Door County Half Marathon
May 2
Peninsula State Park
Peninsula Century Fall Challenge is a popular autumn cycling event held each fall in Door County. The ride offers multiple route options, including full century and shorter-distance courses, winding through scenic back roads, waterfront views, and vibrant fall foliage. Open to cyclists of varying skill levels, the event combines challenging terrain with some of the most picturesque riding in the Midwest. The Peninsula Century Fall Challenge is a must-do experience for biking enthusiasts visiting Door County during peak fall color season.
