Seaside School Half Marathon & 5K March 1, 2020 Registration opens June 15th Raise your hand if you are planning on joining us on Leap Weekend 2020! Registration for the 18th Annual Seaside School Half Marathon & 5K is opening on June 15th! Our Taste of the Race will be held 2/28/20, the Race Expo happens on 2/29/20 (Leap Day), and we will run on 3/1/20. Register for the race and get tix for Friday's Taste of the Race with Chef Emeril Lagasse! See you in Seaside, Florida. Nearly 4,000 race participants turned out for the South Walton race held in March of this year to benefit Seaside Neighborhood School. More than $530,000 was raised during the 2019 Seaside School Half Marathon & 5K and Taste of the Race, said Teresa Horton, executive director of the Seaside School Foundation.