The podcast episode "Irvine up, Glendenning down" describes a runner’s journey through Mount Douglas Park, featuring trails like Irvine and Glendenning. The runner shares personal experiences, including taking breaks due to a racing heart and recounting historical facts about the park. Along the way, the runner reflects on a podcast they listened to about a Canadian climber in the Paris Olympics, discussing challenges like alopecia and RED-S syndrome. The episode is a mix of nature appreciation, personal anecdotes, and reflections on fitness. The runner concludes the journey with a visit to the summit, capturing photos for their blog.