The Mind-Boggling Stats Behind David Roche and Anne Flower’s Leadville 100 Course Records

The Mind-Boggling Stats Behind David Roche and Anne Flower’s Leadville 100 Course Records

Roche bettered his time from last year, while Flower broke a 31-year-old record in her first 100-miler.

Records Topple as Runners Crush Punishing Leadville 100 Ultramarathon

The original version of this story was published on iRunFar. On Saturday, August 16, Anne Flower and David Roche both ran spectacular races at the 2025 Leadville 100 Mile to set new course records, with times of 17:58:19 and 15:12:30, respectively. Flower broke Ann Trason’s 31-year-old record of 18:06:24 by just over 8 minutes, finishing second overall in the race. It’s worth noting that when Trason set her record in 1994, she also placed second…