The Sea to Sea Expedition Race from Warrior Adventure Racing takes racers across Florida on a multi-day journey from the Gulf of Mexico on the west coast of Florida to the Atlantic Ocean on the east coast. The race covers a distance of over 300 miles over 72 hours, and includes a variety of challenging activities, such as trekking, mountain biking, paddling, and orienteering.
https://www.warriorraces.com/seatosea