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After years of successful marathon running (PB: 2:37:14), Camille Herron committed to ultra distances four years ago and has lit up the ultrarunning scene ever since. The 37-year-old American holds multiple world speed records, including the 100 mile record, 50-mile record and the greatest distance covered in 12-hours and 24-hours (162.9 miles for the latter). And she’s not done yet.

In this chat Camille tells me what fuelled her fire for the speed records, why she’ll never run long, back-to-back runs in training, and how she’s hoping to stay injury-free for Comrades (87km) and Western States (100 miles), which are her main bucket list races this year.

**Check back on Friday to read our chat about doping in mountain and ultra trail**