Before sunrise, while most of the Comox Valley is still asleep and wrapped in warmth, these two women quietly walk into the sea. No wetsuits. No heated boats. No guarantees. Only cold water, darkness, jellyfish, exhaustion, unpredictable tides, and a dream. In June, locals Liz Halloran and Kaley Connell Williams will join three other Canadian women from across the country to attempt one of the world’s most iconic endurance challenges: swimming t…