British open-water swimmer Adam Walker was swimming to protect the dolphins, and the dolphins returned the favor.
While Walker was swimming New Zealand's Cook Strait to raise money for whales and dolphins, he saw a great white shark below him. Knowing he still had a long distance to cover, Walker became concerned, to say the least.
That is, until a pod of 10 dolphins surrounded the swimmer. They swam so close that Walker could feel the brush of a tail against his feet. The dolphins stayed alongside him for an hour, until the shark left.
Walker was partaking in the Ocean's Seven challenge, while raising money for the Whale and Dolphin Conservation Society. Ocean's Seven is a marathon swimming event in which participants attempt to swim seven long-distance open-water swims around the world.
Walker completed the swim in 8 hours and 36 minutes. It was his sixth event. Next for Walker will be his final swim: the Irish Channel. It is the most challenging of the seven open-water swims, and known for it's freezing temperature and difficult conditions.
"I'd like to think they were protecting me and guiding me home!" Walker posted on Facebook. "This swim will stay with me forever."
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