Running 100 miles is hard enough. Now imagine doing it BACKWARDS! That is what Tracy McCullen will be doing on Dec 17-20 (100 Hours) to raise $100,000 to begin building the Track of Optimism and the Field of Dreams for the Community Boys and Girls Club of Wilmington. We sat down with Tracy to talk about the project, what it's like to run backwards, and even some about his good friend and ultra running legend Charlie Engle! We think you are going to love this one!

If you connect with Tracy's story, visit www.100ultra4kids.com to give and find out additional information about the project. And be sure to tag @100ultra4kids when you post for the backwards running challenge!

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Send in a voice message: https://anchor.fm/theultrarunningguys/message