Naperville Trails Half Marathon

The Frozen Tundra IPA 5K is an exciting running event taking place in Lincolnshire, Illinois. Participants can enjoy a brisk 5K run, with all runners receiving a long sleeve shirt, a finisher medal, and a $15 gift card to local establishments. The event also features a lively post-race party, comple..

The Muddy Shamrock @ The Forge is an exciting trail running event taking place in Lemont, IL, featuring a Trail Half Marathon and a Trail Quarter Marathon. Scheduled for March 15, 2025, this fourth annual race promises a challenging course through scenic wooded trails, including single and double-tr..

The Earth Day 50K/15 Mile/5 Mile event, taking place on April 26, 2025, in Crystal Lake, IL, offers participants a choice of three race distances. The course features a scenic 5-mile loop through single track and rolling hills, designed to challenge runners while promoting a landfill-free environmen..

Childish Nonsense is a whimsical running event taking place at Deer Grove Forest Preserve in Palatine, IL. Participants can choose from various distances, including a 50 Miler, 50K, 25K, and 10K, all set on a wide, non-technical trail. The event emphasizes community and inclusivity, offering free en..

The Great Western Half-Marathon & 10K, organized by the Fox River Trail Runners, is a well-established running event held on the scenic Great Western Trail. Celebrating over 25 years, this competitive race features a flat, out-and-back course, making it accessible for runners of all levels. Schedule..

The F^3 Cap Sauers Trail Marathon & 10 Mile is set to take place in Palos Hills, IL, on May 10, 2025. This event features a challenging marathon and a 10-mile race, both traversing the scenic Cap Sauers Holding Nature Preserve, the largest undeveloped area in Cook County. Participants will experienc..