40th ANNUAL PRIMAVERA CENTURY

Online registration is now open!

If you prefer to register by mail, use the registration form.

Highlights

  • 100 mile, 100k, 70k and 25 mile routes
  • Beautiful scenery including the Calaveras Reservoir, Palomares Canyon, Coyote Hills Regional Park, and the Altamont Pass Wind Farm
  • Homemade goodies at every rest stop
  • Hot meal at the end of the ride
  • Masseuses at the end of the ride, and also on the 100k and 100 mile routes
  • For more details, see the brochure, the FAQ, and the Travel Log.

Route maps

All routes | 100 mile | 100k | 70k | 25 mile

All routes start at James Logan High School in Union City.

Custom clothing

Matching jerseys and shorts will be available in limited quantities on the day of the ride. See the order form for details.

Other exciting improvements to mark 40 years

  • One week later for better weather
  • Goodie Bags
  • Transferrable registration at no cost
  • Improved food selections and endurance drinks
  • Bike shop mechanics at every rest stop
  • Clothes drop at the first two rest stops for transport to the finish
  • Less urban sections on full century route while still maintaining Altamont portion
  • Fully recyclable or compostable materials at rest stops
  • Medals for kids finishing the family fun ride


Thanks To Our Sponsors

Bicycle Garage Logo Crank 2 Logo Cedar Mountain Winery Logo
Sports Basement Logo Cyclepath Logo Eden Bicycles Logo
Livermore Cyclery Logo REI Fremont Cycle Pros Logo
Gu Energy Gel Logo Primal Wear Logo Chamois Buttr Logo