Mike's Bikes Challenges

Ultimate Century Challenge

Ride 100 miles and raise at least $100 during the month of September and you can earn an additional $100 donation from our amazing sponsor, Field Construction! But, you need to act fast, because only the first 90 participants to take and complete the challenge will win. Start today by signing up for the Ultimate Century Challenge Here or click the logo below.

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It's never too late to share your story with the rest of the Napa Valley Ride to Defeat ALS community -- click below to share why YOU participate.

Check back regularly to see what competitions and challenges are happening!