WHAT: Bike 25, 50, or 100 miles and fundraise to cure cancer faster.

WHEN:  Saturday, August 12, 2023

WHERE: Start at the University of Washington and finish at Gas Works Park.

WHO: 18+



WHERE THE MONEY GOES: 100% of participant-raised dollars go directly to work, advancing cancer prevention, detection, treatment, and cures. New! Choose to fundraise for the area of our work that is most meaningful to you, including a specific disease area, program, faculty member, or clinician.

Registration and Fundraising Minimums

25-, 50-, 100-Mile Bike Ride

AGE (AS OF AUG. 12) 25+ 18-24

*Discounted registration fees are available for people who have or have had cancer.

2023 Obliteride Bike Routes

Choose the distance that works for you.


25-Mile Ride

On this updated loop, you’ll enjoy scenic water views on the north end of Lake Washington. The route features gradual climbing and light urban riding and is primarily on protected bike paths or bike lanes, making it great for entry-level riders and all those looking for a beautiful and shorter ride. Download the 25-mile GPS route.

START TIME: 8:30 a.m.

START LINE: University of Washington, E-18 parking lot

FINISH LINE: Gas Works Park


50-Mile Ride

This new route takes you east from Seattle to Lake Sammamish and features water views, two bridge crossings, and light urban riding. This route is perfect for intermediate riders looking for scenic views with moderate climbing. Download the 50-mile GPS route.

START TIME: 7:30 a.m.

START LINE: University of Washington, E-18 parking lot

FINISH LINE: Gas Works Park


100-Mile Ride

On this new route, you’ll head east from Seattle, enjoying rolling hills, farmland views, and a lunch stop at Carnation Farms (Carnation, WA). This route includes moderate climbing and is ideal for advanced, high-stamina riders who are comfortable riding on open roads. Download the 100-mile GPS route.

START TIME: 6:30 a.m.

START LINE: University of Washington, E-18 parking lot

FINISH LINE: Gas Works Park

Due to external factors (such as weather, road conditions, construction, etc.) all timing and routes are subject to change. There will be a number of safety and support elements for Obliteride on August 12. Any pre-event training on the Obliteride routes must be done at your own risk.

A person in biking gear gives a thumbs up

Do it! It is for a great cause and one of the best-organized events.

Rasika V., 25-mile rider

Your Fundraising Matters

Invite your community to help cure cancer faster by donating to your Obliteride! We’re here to help you from day one with fundraising tips, tools, and more.

A team poses for a photo at Obliteride

Looking To Join a Team?

Teams are a great way to stay motivated and make friends while fundraising for a cause you are passionate about. You can also work together to meet your fundraising minimums. Teams can include riders, walkers, runners, virtual participants, and volunteers. Everyone is welcome!

Powerful, Together!

Obliteriders take action and make a difference. We can’t wait to welcome you this year.

Ready to Register?

Take action to help cure cancer faster. Join Obliteride today!