Results from the 2019 The North Face Endurance Challenge 50 Mile Championships.

The Running on Science column busts four running myths with current scientific understanding.

This Week In Running’s trail and ultra recap for November 18, 2019.

A video interview (with transcript) with YiOu Wang after her win at the 2019 TNF 50.

A video interview (with transcript) with Sébastien Spehler and Thibaut Garrivier after their first and third-place finishes, respectively, at the 2019 TNF 50.

A video interview (with transcript) with Anne-Marie Madden after her second-place finish at the 2019 TNF 50.

A video interview (with interview) with Darren Thomas after his second-place finish at the 2019 TNF 50.

A video interview (with transcript) with Addie Bracy after her third-place finish at the 2019 TNF 50.

A video interview (with transcript) with Addie Bracy before the 2019 TNF 50.

A video interview (with transcript) with Anthony Costales before the 2019 TNF 50.

A video interview (with transcript) with Thibaut Garrivier before the 2019 TNF 50.

Zach Miller compares the American landscape with the cycle of run training.

A video interview (with transcript) with Keely Henninger before the 2019 TNF 50.

A video interview (with transcript) with Clare Gallagher before the 2019 TNF 50.