The historic Steam Pump Ranch, listed on the National Register of Historic Places, is the site for Oro Valley Parks and Recreation Department's Round Up at The Ranch 5K run/walk. This fun summer 5k will take place along the multi-use path, beginning at Steam Pump Ranch, and will include snacks, water, watermelon and a water balloon toss. Runners, walkers and strollers welcome. A new and different course will head east toward Catalina State Park. Check website for registration fees.