1 event in Wauconda, Illinois

Welcome!

We’re excited to share the Harmon 100 with you for 2026!!

The Harmon 100 offers a challenging and rewarding ride with spectacular views, supportive volunteers, and an amazing community of cyclists like yourself.

This year’s ride will take you through the rolling hills of beautiful Lake and McHenry Counties, starting in Wauconda, IL. Whether you're a returning rider or new to the event, we’re certain it’ll be a memorable day of cycling, camaraderie, and top-notch support.

Here’s a sneak peek of what you can expect on every route:

Distances of 25, 50, 75, and 100 miles

Clearly marked routes for easy navigation

GPS downloads + cue sheets available

Voice navigation with your Ride with GPS account

Bike shop support at registration & rest stops

Rest stops with food & drinks until 3:00 PM

SAG support until 3:00 PM

Indoor restrooms at both rest stops & key locations

Class 1 & 3 e-bikes welcome

Scenic hills and beautiful countryside views

This is a fantastic opportunity to get back on the bike, reconnect with the cycling community, and enjoy a fun and challenging ride. Grab your riding buddies and let’s make the Harmon 100 a day to remember!

Please be sure to click the registration link to sign up, and don’t forget to follow us on Facebook for event updates and more.

We can’t wait to see you on August 30!

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Routes for the Harmon 100 Century Event are subject to change due to weather, road conditions, or other unforeseen circumstances. We will post updates as needed to ensure the safety and enjoyment of all participants. Please check back regularly for the latest information. We will be finalizing the routes a week before the ride.