San Mar's The Great Bicycle Tour - TGBT XXXIX
About this race
A fully supported four-day ride on the C&O Canal. Join us for a family-friendly cycling adventure from Cumberland, MD to Mile Marker 0 in Washington, DC. 184.5 miles of no hills, no headwinds and no cars. Plenty of food, lots of support, ride at your own pace, well organized. This is the 39th annual benefit ride for San Mar Family and Community Services, a 501(c)3 nonprofit that maintains national accreditation and has provided services to children, families, and the community every day since November 8, 1883! Learn more about our important work online at sanmarhope.org.
THE RIDE INCLUDES
- Transportation by charter bus from Boonsboro, MD to the start of the C&O Canal
- All meals and snacks
- Free parking for your vehicle throughout the event at the San Mar campus
- Rest stops every ten to fifteen miles
- Camp fees paid for the first two nights or transportation to nearby hotels
- Hotel on the third night
- Transport of all gear throughout the event
- TGBT keepsake t-shirt
- Return to your vehicle by charter bus from Georgetown at the end of the event
- A lifetime memory
This ride benefits San Mar Family & Community Services. All registered riders commit to raising a minimum of $550 for the 4-day ride. Other minimums for weekend only or virtual participation are detailed at the Event Info tab.
Pick your distance
Cycling
TGBT XXXIX
Each registrant is responsible for a minimum $550 in charitable funds raised for San Mar.
TGBT Weekender
Each registrant is responsible for a minimum $500 in charitable funds raised for San Mar.
Typical race-day weather
Based on 7 years of Open-Meteo archive data for this event's race dates in Boonsboro, plus the 3 days either side.
The sun rises at 5:53 AM and sets at 8:39 PM local time (EDT) in Boonsboro on July 11, 2026 — 14h 45m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Results — San Mar's The Great Bicycle Tour - TGBT XXXIX
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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 3 Boonsboro events
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