Get ready to kick off your fall with the exciting Arboretum Cycling Challenge, taking place throughout September 2025 in the picturesque setting of Lisle, DuPage. This month-long cycling event invites participants to select an ambitious goal of 100, 200, or 300 miles, encouraging cyclists of all levels to embrace the joy of biking amidst the stunning autumn landscapes.

From September 1st to September 30th, you'll have the freedom to track your rides anywhere—from the serene paths of the Arboretum to your neighborhood or even on a stationary bike. Each mile logged brings you closer to your goal while allowing you to soak in the beauty of nature as it transforms with the season. Enjoy exclusive perks such as commemorative athletic socks, a custom completion badge patch, and free daily admission for non-member participants throughout the month. Plus, there's a special opportunity for newcomers to become Arboretum members at a discounted rate! Join the challenge and experience both the thrill of biking and the breathtaking scenery this September!