Full anti-clockwise circuit of Spetses island with significant elevation changes. 8 aid stations: 2.5K, 5K, 8K, 12K, 16K, 19K, 22.5K (water & isotonic), and finish. Cut-off: 4 hours. Energy gel supply included. BIB pickup at Hotel Roumani, Dapia: Thu Oct 1 17:00-22:00, Fri Oct 2 10:00-22:30, Sat Oct 3 08:30-21:30; BIB collection closes Sat Oct 3 at 20:00. Sun Oct 4 registration open 07:30-08:30 only for completed registrations arriving on race day. The weekend also includes 10K run (Sat Oct 3 17:15), 5K run (Sun Oct 4 09:30), 1.5K and 3K open water swimming (Sat Oct 3), and children's races. Contact: info@spetsesmarathon.com.