We thank our 2025 sponsors and supporting organizations!
R&A Cycles provides
free1 mechanic support at the St. Mary's Start and at the Briones
Rest Stop.
Mike's Bikes of Berkeley
provides free1 mechanic support at Island Rest Stop.
The Acme Bread Company of Berkeley
provides a variety of breads for the post-ride meal.
JAMBAR is a local organic energy bar
from San Rafael. Bicycling featured JAMBAR as 2023 Fitness Nutrition Award Winner.
Tastes delicious and 50% of net profit goes to sports & music programs.
Pre-Century Bike Checks
Sports Basement will be offering free safety checks from April 29 - May 6, 2023 at any of their Bay Area locations. Please check back for our event discount code for parts/merchandise (labor and rentals not included).
Free Mechanic Support1
Free mechanic support during the century: Mechanics will provide free basic adjustments and repairs to century riders. Larger repairs are at the discretion of the mechanic. Don't expect a complete overhaul! Riders are expected to pay for materials and spare parts used.