
San Mar's The Great Bicycle Tour - TGBT XL is a road cycling race on July 10–13, 2027 in Boonsboro, MD, with an entry fee of $35.
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 40th 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
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
86°
Typical Low
66°
Based on US Climate Normals data from Hagerstown 1 E, 6 mi from the venue.
City Elevation
504 ft
Nearest Airport
HGR
Hagerstown Regional Richard A Henson Field · 11 mi
Major Hub
IAD
Washington Dulles International Airport · 44 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Every finish line starts with a single decision. Claim your spot at San Mar's The Great Bicycle Tour - TGBT XL, put it on the calendar, and turn “someday” into a start date.
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Days to train
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San Mar's The Great Bicycle Tour - TGBT XL
Jul 10, 2027