
THE RUNNING EFFECT PODCAST Charlie Lawrence Ran 100K (62 Miles) at 5:51 Per Mile — Inside One of the Most Insane Endurance Performances Ever
Jan 25, 2026
Charlie Lawrence, a 50-mile world record holder and American 100K record-setter, shares his ultra-running life. He talks training structure and how marathon work fuels 100K speed. He explains fueling strategies and stomach trade-offs in six-hour races. He also covers sponsorship dynamics, publicity races, and balancing visibility with performance.
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Keep Marathon Speed In Ultra Training
- Charlie retains marathon-style VO2 work to keep faster paces feeling easy despite ultra distances.
- His bread-and-butter is weekly long runs of ~25 miles at 5:35–5:45 and afternoon shakeouts to hit 30+ miles days.
Road-First With A Trail Bucket List
- Charlie prefers road ultras and plans to stay on roads while he keeps speed, aiming for Western States later.
- He says he needs 8–12 months of specific trail work before attempting technical Western States-style races.
100K Pain Comes Early
- Charlie says 100K gets hard earlier than expected and often feels bad well before halfway.
- He breaks races down lap-by-lap and uses pacing, cooling, and crew support to mentally survive the long later miles.

