13 Best Instagram Photos from the Rocky 50K Run

And so they did it. A group of crazy-awesome ultramarathoners (word has it, there were over 100 of them at the starting line) actually ran the 30+ mile course at the Rocky 50K Fat Ass Run on Saturday. If you didn’t make it out (or if you did, and you want to relive the fun), here’s what the day looked like on Instagram.