I decided I’m running my first half marathon this year, so last weekend I headed to the new park connected to the Museum Campus and was elated to see a beautiful trail along the lake. Here’s what you can expect if you want to run the trails:A one-mile trail: The path is only a mile long, but you can run several loops for a nice, long run and even head a bit farther north to the 12th Street beach.Great facilities: The field house is open during winter through early spring from 10 a.m. to 4 p.m. on weekends only. …