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BellRinger is a community working together to support cancer research breakthroughs at Georgetown University’s Lombardi Comprehensive Cancer Center.
All time funds raised...
$6,890,840
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Take Part
Ride
A community that welcomes Riders of all kinds: avid cyclists, casual riders, or people who simply hate cancer.
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Take Part
Volunteer
From fueling Riders at rest stops to cheering them on as they cross the finish line—volunteers bring the excitement to the next level.
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Take Part
Build a Team
BellRinger is better when we do it with the people we love, for the ones we love. Grow your team today.
2026 Team Leaderboard
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Huron Consulting Group
22 Riders
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Balfour Beatty - Gilbane
21 Riders
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Washington Gas
21 Riders
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EY
20 Riders
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Holmes' Heroes
19 Riders
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Team Immunotherapy
18 Riders
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The Whiting-Turner Contracting Co.
18 Riders
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Soul Riders
16 Riders
Community in Action
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Meet DreamRides!
The familiar faces behind every Training Ride who have helped shape the Rider experience and community since before BellRinger’s inaugural Ride in 2022
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Built Together
From our first ride on Georgetown’s hilltop to a $6.7M movement, BellRinger’s growth is powered by the partners who show up year after year.
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Para Mi Mosquetera
BellRinger Rider Cielo Ondrejcak reflects on her own loss, resilience, and finding a path forward after losing her mother and sister, while honoring her sister’s battle with cancer.
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A Family Affair: BellRinger Edition!
For Jeff Williamson, BellRinger began as a personal decision in the face of loss and has grown into something his entire family returns to, year after year, in support of cancer research at Georgetown Lombardi.
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100% of funds raised support
Academic Health System Partner
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BellRinger Weekend 2026 — October 23-24
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