Mara Crans competes in the running portion at Ironman Mont Tremblant 70.3 in 2017.

Dan Burk will be competing in the Maine Ironman Triathlon on Sunday in Augusta.

After picking up their race packets, Denise Pouliot, left, and Gretchen Livingston try to find their names printed on a souvenir race T-shirt for sale Friday in Augusta.

A hat decorated with a view of the Olde Federal Building and Kennebec River and branded with Ironman, Maine, and Augusta is seen for sale Friday in Capitol Park in Augusta.

Mara Crans poses after completing Ironman Mont Tremblant 70.3 in 2017.

Souvenirs branded with Ironman, Maine, and Augusta are seen for sale Friday in Capitol Park in Augusta.

Mara Crans after completing her first full at the Ironman Lake Placid in 2015.

Souvenirs branded with Ironman, Maine, and Augusta are seen for sale Friday in Capitol Park in Augusta.

Athletes check in for this Sunday's Ironman 70.3 Triathlon on Friday in Capitol Park in Augusta.

A 'No Swimming Until Race Day' sign blocks the starting docks on the Kennebec River on Friday in Augusta.