Illinois 100-Mile Century Rides & Tours 2026–2027
Verified calendar of 100-mile century rides, metric centuries, and scenic road tours scheduled across Illinois.
📅 1 Upcoming Events
⭐ 1 Marquee Monuments
⛰️ Avg Vert: 1,800 ft
📏 Avg Distance: 60 mi
🛡️ 100% Active Links
Illinois 100-Mile Century Rides & Tours
Showing 1 verified events
century
⭐ Marquee Monument
✓ Verified
Tour de Donut Illinois
📏 60 mi
⛰️ 1,800 ft vert
Unique family century where donut consumption deducts minutes from ride time....
⚡ Training & Pacing Tools for Century Ride Riders
Dial in your pacing, target power zones, and climbing cassette ratios for century ride courses.