This is a huge week for trail & ultra! Here’s what you need to know:

We’re covering the 2025 Transvulcania Ultramarathon this week. Follow our live coverage, read women’s & men’s previews, & watch interviews!
Megan Eckert & Ivan Zaborsky set six-day world records last week. See our post-race interviews with Megan & Ivan.
Dan Green & Rachel Entrekin set big course records at this week’s Cocodona 250 Mile.

Maria Semerjian

By Justin Mock Comments

This Week In Running’s trail and ultra recap for September 5, 2017.

By Meghan Hicks Comments

An in-depth preview of the women’s race at UTMB 2017.

By Meghan Hicks Comments

An in-depth preview of the women’s field at the 2015 Western States 100.

By Bryon Powell Comments

An interview with Maria Semerjian after her third-place finish at the 2014 Ultra-Trail Mount Fuji.

By Meghan Hicks Comments

Results from the 2014 Ultra-Trail Mount Fuji.

By Bryon Powell Comments

A preview of the 2014 Ultra-Trail Mount Fuji.