Author Bio

A woman in a navy sweater and black jeans kneels in front of a group large aloe plants.

Cassie da Costa

Cassie da Costa is on the content and media team at REI, editing stories for Uncommon Path and Expert Advice related to Run and Watersports. A former film critic, she enjoys running on the roads and, occasionally, stretches of (mostly flat) trail in Southern California. REI member since 2019.

Stories by Cassie da Costa...
A group of runners from BlacklistLA cheer on their teammates

Let’s Run Together

It's easy to view running as a solo endeavor. After all, there's the romantic image of you against you out there—mind trying to tune in to the body, and vice ve...