If you’re a runner and enjoy racing, you may be tempted to give a triathlon a try. A traditional triathlon includes swimming, biking, and running. The City of Longview Parks and Rec and the YMCA of Southwest Washington are putting a twist on the old favorite in the Swim Dash Splash Triathlon on July 20th. The race starts at the YMCA in Longview with a 500 yard swim in the pool. The starting times are…