One of India's oldest and most-loved open-water sea swimming competitions, The Goa Swimathon made it's debut in 2011 at Bambolim beach with 11 participants. The upcoming 13th edition at Miramar beach will feature over 500+ swimmers competing in the 1 km, 2 km, 5 km and 10 km long distances races as well as the ever-popular 250 m sprint.