New Hardest Thing is a story of, ultra runner, Sarah Ostaszewski's experience at the 2021 Mogollon Monster 100 miler located in near Pine, AZ. Sarah is no stranger to difficult races, and once again, was looking to push her perceived limits by running a notoriously difficult 100 miler. She was also joined by her twin sister, Melissa, who helped crew her as well as pace her during the race.






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