COUNTDOWN TO RACE DAY
This page is for those already registered for the 2025 Shamrock, Sole of the City 10K and Charles Street 12 races and want to "upgrade" to the 2025 B3 Series.
Events
Upgrade to the Altra B3 Distance Series presented by Kelly Benefits
$17.90
incl. $2.90 Fee
1:00PM EDT
- 7:30AM EDT
Registration ends September 6, 2025 at 11:59pm EDT
This page is for registrants who are already registered for all 3 races and would like to "upgrade" to the B3 Series.
The Altra B3 Distance Series presented by Kelly Benefits is a collection of three of Baltimore's premier running events:
- Altra Kelly Benefits St. Patrick's Day Shamrock 5k (March 16, 2025)
- Altra Sole of the City 10k presented by Kelly Benefits (April 5, 2025)
- Altra Charles Street 12 & 2-Person Relay presented by Kelly Benefits (New Date: August 30, 2025)
B3 Distance Series registrants receive the following:
- Entry into all 3 B3 Distance Series Races
- The B3 Distance Series Finisher Item
- Commemorative B3 Distance Series Loyalty Pin for those who have participated in the B3 series before
Contact Form
If you have any questions about this race, click the button below.
Event Location
Baltimore
Baltimore, MD 21201 US
