http://www.seabrookmarathon.org/
Final day to register online is March 4th or whenever we reach capacity.
Registrationas as of 02-05-2012
Please consult our Sizing Chart if you have any questions about your shirt size.
If you need to contact Active, the registration company, you can reach them at
Phone: 877 228 4881
Email: clientsupport@active.com