2024 Under Armour B3 Distance Series Presented by Kelly Benefits
REGISTRATION & UPGRADE INFORMATION

The B3 is where you want to be! Race #1 of 2024, the Under Armour Kelly Benefits St. Patrick’s Day Shamrock 5K, has passed. However, it’s not too late to join - upgrade your registration to the B3 Distance Series!

Entry includes:

Registration Fees:

$190 until 9/16/23
$210
9/17/23 through 10/31/23
$225
11/1/23 through 12/31/23
$240
1/1/24 through 2/29/24
$255
3/1/24 until sellout!

How To Register or Upgrade

You can sign up for the Under Armour B3 Distance Series presented by Kelly Benefits on any of the individual B3 race pages (Shamrock 5K, Sole of the City 10K, or Charles Street 12). Simply select the “B3 Distance Series Bundle” on the front page and you’ll register for all three races in one easy step.

If you ran the Shamrock 5K and would like to upgrade to the B3 Distance Series, please click here for detailed instructions.

Transfer and Deferral Policy

Each race in the Under Armour B3 Distance Series presented by Kelly Benefits has specific transfer and deferral guidelines. Please review the "Race Information" section located within each event for specific information.