The Southernmost Runners Club welcomes you to the 5th annual Sombrero Beach Run. This is the premier 15K Challenge 10K Run-5K Walk/Run USATF Certified Course in the Florida Keys! This flat tropical course begins and ends at the spectacular Sombrero Beach. 15K Challenge! Registers for both the 10K Run and the 5K Run and makes you eligible for prizes and awards in the 15K Category only. Overall prizes for the male/female winners $500 CASH!The 10K Run starts at 8:00 a.m. The 5K Walk and 5K Run start at 9:15 a.m.