Park City, UT. Fun and funky, the annual Miner’s Day parade down historic Main Street attracts marching bands and community floats as Park City celebrates its mining heritage. Miners’ Day in Park City traditionally opens with the fun and unique Miners’ Day 5k, starting in City Park and looping through Park City’s trail system. Followed by Running of the Balls on Main Street, Breakfast and Cookout in the park, and mucking and drilling competitions.