Challenges, Trackers and Training Plans Running Challenges Tired of your usual running routine? Bust out of your running rut with these 30 ideas to shake up your running Mileage Trackers Never a skull moment! Track 120 miles, 120 kilometers, 120 minutes, or 120 of whatever you want to track. Just like a spider, slowly build your web by running miles one by one. How do you run 100 miles? Easy! One mile at a time. How do you run 50 miles? Easy! One mile at a time.