What does it mean to be a trail runner in your 20s, 30s, 40s, 50s—or even your 70s? How do years of pounding dirt, chasing summits, and chasing goals shape our bodies, minds, and identities?
Welcome to The Aging Athlete, a new Trail Runner Nation mini-series co-hosted by ultrarunning icon Krissy Moehl. Every 5 to 6 weeks, we’ll dive into what it looks like to grow older in this sport we love—exploring how to train smarter, fuel better, recover more intentionally, and stay motivated through the decades.
In this second episode of the Aging Athlete Series, we’re joined by Dr. Kelly Casperson to explore how hormone health influences endurance, recovery, and overall well-being as we age. Dr. Casperson, a board-certified urologist and women’s health advocate, brings her expertise to topics often overlooked in athletic circles—like menopause, libido, and the misunderstood role of hormone therapy. We dive into the physiological shifts that both male and female athletes face and how understanding these changes can help extend performance and vitality on the trails. From the importance of early hormone support to the mental health implications of declining hormone levels, we'll talk about aging with strength and knowledge.
Learn more from Dr. Casperson:
- Book, You Are not Broken: Stop Should-ing All Over Your Sex Life
- Pre Order the new Book, The Menopause Moment: Midset, Hormones, and Science for Optimal Longevity (releasing on Sept 16, 2025
- Her Website
- Her YouTube Channel
- Her podcast, You Are Not Broken
- The M-Factor Documentary we mentioned
Episode Sponsors
- Janji, Use code TRAILRUNNER for 10% off
- Amazfit - T-Rex 3: Get 15% off
- Electrokare - memberships available until September 5th
- Oikos Triple Zero
- Get the NEW "1 > 0" running hat HERE. Limited supply
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