Select the amount you would like to donate to Tirrell Sims's 200 mi challenge.
Calculate your donation based on an amount per-mile Tirrell Sims has committed to ride this September. Your total donation will be the amount you select multiplied by Tirrell Sims's 200 mi challenge goal and will be charged up-front.
A receipt will be sent to this email address
The challenge starts NEXT WEEK - Free Entry!
Sign Up Now
The challenge starts NEXT WEEK - Free Entry!
Sign Up Now