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April 1 – Oklahoma Aquarium
From okaquarium.org: The Aquarium Run is one of the area’s premier race events with more than 2,000 runners and spectators expected. The event offers a half-marathon and 10K, perfect as training runs in advance of the Oklahoma City Memorial Marathon, as well as a 5K and a family-friendly 1 mile fun run/walk. All registered participants enjoy complimentary race-day Aquarium admission for a stunning cool-down, viewing the amazing Oklahoma Aquarium sharks, stingrays, jellyfish and thousands of other aquatic animals. Also all runners receive complimentary snacks, beverages and a finisher medal. The race begins at 8 a.m. Visit okaquarium.org to register.