The U.S. Olympic Trials Marathon was held on Feb. 13 in Los Angeles. It was an amazing display of competitive racing, courage and perseverance as runners faced temperatures that reached the low-80s. Here are more images from the day of racing from photographer Matt Trappe.

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2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
Photo: Matt Trappe
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon
2016 U.S. Olympic Trials Marathon