Open Water Swimming Guide
Cold water swimming: is it bad for your heart?
Swimming - Wikipedia
Holland Aquatic Center joins pools across the globe in 'World's Largest Swim Lesson
Alcatraz — Odyssey Open Water
blueseventy USA Triathlon & Competition Swimwear - All for the Swim – Blueseventy usa
The Subversive Joy of Cold-Water Swimming
Maryland Freedom Swim – World Open Water Swimming Association
Freedom Swim – World Open Water Swimming Association
Maryland Freedom Swim — ShoreRivers