The prize shirt shows Snoopy, in the guise of his alter ego ... which it offered T-shirts commemorating the final season of “Game of Thrones” and a chance to win a replica throne.

Everyone who donates blood by April 23 will receive a T-shirt while supplies last, featuring Snoopy as his alter ego, Joe Cool, in front of the Red Cross logo with the caption “Be cool.

To help celebrate the race, the Bayview Yacht Club is selling special T-shirts online featuring Charles M. Schulz's "Peanuts" characters — and that includes Snoopy. Most of the shirts include ...