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Davis Double Century – 2025

Join us May 17, 2025 on our 200 mile ride through Yolo, Napa, and Lake counties, the most popular and one of the best supported double centuries in California

The route will be the same as last year, heading northwest from Davis along flat roads of Yolo County, then south and west through Winters, around the south side of Lake Berryessa via Highway 128, northwest along back roads including a few miles on the west shore of Lake Berryessa, continuing northeast of the Napa Valley to Middletown, past the east shore of Clear Lake, then east to the Capay Valley via Highways 20 and 16 before returning to Davis.

The route has just under 9,000 feet of climbing, with nearly all of the climbing under 10% – primarily in the 6-8% range, and ending well before mile 150. Note that there is a four-mile section of hard-pack dirt road with a gradual climb halfway through the course

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Pricing for 2025

Long time riders of the Davis Double Century will notice the price options this year. Unfortunately, the cost of insurance has gone way up for non-DBC participants for our hosted annual events. We are including a DBC trial-membership to all participants this year as it is the path of least resistance

RegistrationDBC MemberNon-DBC members
Regular –
Closes May 3
DBC member – $140Non-DBC member – $160
Late Registration –
Closes May 10
DBC member – $160Non-DBC member – $180
Day of Event RegistrationDBC member – $200Non-DBC member – $220

Order 2025 Davis Double Century swag

Check out the Davis Double Century 2025 jersey design and then order your Castelli jersey before the store closes on March 31, 2025 to ride the DC in your new 2025 jersey! We expect to open a second ordering window that will be delivered after the ride if you decide later you’d like to order a commemorative jersey to relive your glorious ride

Here is our T-shirt design that you will get if you purchase it during registration – only $10

2025 Ride Info

We’re also excited to announce Hammer Nutrition as a sponsor for this year’s Davis Double Century

Hammer has been supplying athletes with natural products free of added sugars, artificial colors, flavors, chemicals, and preservatives for over 35 years. Visit their site to learn how to fuel smart, so come race day you’re ready to perform at your best!

If you’d like to train with the product that will be on course, Hammer’s USA-based nutrition reps are happy to answer your questions and find the perfect product for your needs. Take a look at how Hammer Nutrition provides you energy, endurance, and recovery with their fuels, supplements, and recovery products here.


Our sincere thanks to Mike Stough for our Davis Double Century 2025 logo design