Shawn Burke is a 53-year-old engineer from Andover. When he gets the itch for a little competition, he looks for something that challenges his brain as well as his brawn.
His favorite outlet? Canoe orienteering.
“I like the combination of the physical aspect of paddling, and the problem solving, where someone hands you a map and says ‘OK, figure this out,’ ” he said.
Think of canoe orienteering — or Canoe-O — as an amphibious Easter egg hunt, with a paddle and vessel thrown in for good measure.
On Saturday, Burke will introduce this modern-day Lewis and Clark vibe to Amesbury, teaming up with the Lake Gardner Improvement Association to host the inaugural Lake Gardner Canoe-O adventure race, part of the New England Canoe and Kayak Racing Association flatwater point series. Full story for BostonGlobe.com subscribers.
Brion O’Connor is a freelance writer based on the North Shore. He can be reached at firstname.lastname@example.org.