This Week In Running’s trail and ultra recap for June 21, 2021.

iRunFar’s 2021 Western States 100 prediction contest.

An in-depth preview of the men’s race at the 2021 Western States 100.

An in-depth preview of the women’s race at the 2021 Western States 100.

iRunFar’s live coverage of the 2021 Western States 100.

Ultrarunner Mike Ambrose’s journey toward creating the new Salomon Ultra Glide trail running shoe.

An essay about preventing perfection from being the enemy of progress in running and life.

A video review of the Saucony Peregrine 11.

An in-depth profile of runner, fisherman, scientist, and outdoor nonprofit founder Andrew Todd.

Sabrina Little discusses technology’s positive and negative effects on running.

iRunFar’s experts share their best trail running shoe picks from the more than 200 available trail shoe models.

The Running on Science column uses current scientific understanding to address three running myths.