2025 - San Mar's The Great Bicycle Tour - TGBT XXXIX
2025 distances
Cycling
TGBT XXXVIII
Each registrant is responsible for a minimum $525 in charitable funds raised for San Mar.
TGBT Weekender
Each registrant is responsible for a minimum $475 in charitable funds raised for San Mar.
Race-day weather
Conditions on July 12, 2025 — historical Open-Meteo data.
The sun rises at 5:54 AM and sets at 8:38 PM local time (EDT) in Boonsboro on July 12, 2025 — 14h 44m 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.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Other races near Boonsboro
Different organizers, within 40 miles, in the next three months
64th Annual JFK 50 Mile presented by Altra
Steps Towards Healing for Mental Health Awareness 5K
Gingerbread Dash
Step N' Stride
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
Spotted something wrong? Tell us and we'll fix it.