Welcome to
the Limestone Century Bicycle Tour!

Challenge yourself on this one-day non-competitive cycle tour through the quiet roads of Southeastern Ontario. Routes traverse the Canadian Shield, goes along the shore of Lake Ontario, and travels on many rural roads passing through picturesque and historic towns. Choice of 100-mile, 100-km or a 50-km route. It's not a race, it's an exploration ride at your own pace!

This classic-style bicycle century is a fundraiser for Cycle Kingston, Inc., a not-for-profit registered charity promoting cycling and cycling safety - locally and beyond! Click here to learn more about Cycle Kingston and its various programs and social enterprises.

Browse through this website to learn more about the Limestone Century, including its history. When your ready to register, you'll find registration information under the "About the Tour" tab.