Nick Fowler completed the Pacific Crest Trail in a record time without a support crew. He finished in 45 days, 17 hours, and 47 minutes, surpassing the previous record. Fowler carried his own food and supplies throughout the journey. This is the first time the trail record was set without crew support.

Previous records on the trail were set with support crews, who provided food, rest, and other assistance. Fowler's achievement highlights the challenge of self-supported long-distance running. He averaged 57 miles a day, with minimal variation in daily distances. Read more trail coverage.

Fowler, a 38-year-old entrepreneur, made several adjustments from his previous attempt, including increasing his calorie intake and changing his gear. His record-breaking run also included detours for water and resupply stops, adding extra miles to his journey. Related: Ben Dhiman Wins UTMB, Sets New Record Under 19 Hours.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.