Horsetooth Open Water Swim

Experience the magic of the Horsetooth Open Water Swim, a cherished event that brings together families, friends, and nature enthusiasts for a memorable lakeside adventure. Set against the stunning backdrop of the Rocky Mountains, this event offers a unique opportunity to connect with loved ones while embracing the beauty of Colorado’s Horsetooth Reservoir.

From September 6 to October 4, 2026, in Fort Collins, Colorado, the Horsetooth Open Water Swim invites participants of all ages and skill levels to dive into a series of open water swim events. Whether you’re a seasoned swimmer or a first-timer, there’s a distance for everyone, from the challenging 10K marathon to shorter 2.4 and 1.2-mile courses. Beyond the swims, the event features live music, kids’ activities, artisan markets, food trucks, and fireworks, creating a festive atmosphere that celebrates community and togetherness.

This event is perfect for families with children seeking fun and low-stress activities, pet-loving travelers with dog-friendly events and amenities, romantic couples looking for quiet corners and scenic photo spots, and large reunion groups with plenty of room for shared meals and group activities. Immerse yourself in the sights and sounds of the lake, savor the tastes and smells of local cuisine, and create lasting memories with those who matter most. To make the most of your experience, consider bringing picnic blankets, folding chairs, and sunscreen. For lodging, explore nearby options on Lake.com to ensure a comfortable stay. Ready to make some lakeside memories? Start planning your stay now on Lake.com.