Do you know your sweat rate? Or how much sodium you should be replacing as the weather gets hotter? That's what today's episode is for!

This week, Corinne Malcolm and Keely Henninger dive into all things hydration as the season and the sun heats up. They break down:

• Osmolality and what it means for training and racing
• How to do some basic sweat testing at home
• And, of course, balancing hydration with carb intake and fueling!

As the miles and temps rise, managing sodium, water, and calories — without GI issues! — can seem like an unsolvable puzzle. Here are some practical tips for building a plan to hold up as you hit start lines this summer.

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rabbit: Visit https://www.runinrabbit.com/ use code: APRILTRAIL for 10% off.

This week, Corinne sits down with Lizzy Fowler for a conversation about identity, resilience, and rebuilding after life splits into "before" and "after." They talk about Lizzy’s traumatic brain injury in college, the long process of learning to live in a body and brain that felt unfamiliar, and how ultrarunning became a way to test her edges, find flow, and begin trusting herself again.

• The two also dig into trauma and sexual assault
• Why she chose to share her story and work with Take Back the Night
• And how taking on the John Muir Trail became about far more than sport

It’s a conversation about disruption, self-discovery, and the versions of ourselves we become when everything changes.

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Injinji: use code  Trailrun15 to get 15% off at https://www.injinji.com/

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rabbit: Visit https://www.runinrabbit.com/ use code: APRILTRAIL for 10% off.

Mentioned in this episode:

Good Ranchers

This week's episode is brought you by Good Ranchers.  Head over to Goodranchers.com. Use promo code IRON to get $25 off your first order.

This week, Corinne Malcolm and Hillary Allen are tackling the topic of belief and the role self-belief plays as a performance tool.

1. How belief shapes attention, effort, and perception
2. Why expectations can change the way training and racing feel
3. And how athletes can use practical mindset tools to build confidence in real time

They also dig into the science behind placebo effects, performance, and fatigue—plus share actionable ways to shift your focus, reframe hard moments, and lean into effort when things get tough.

Follow Us:

@feisty_media

@trail.society

Support our Partners:

Injinji: use code  Trailrun15 to get 15% off at https://www.injinji.com/

ProBio: Use code Trail20 for 20%-off orders (30%-off + free shipping w/ subscriptions) at https://www.probionutrition.com/

rabbit: Visit https://www.runinrabbit.com/ use code: APRILTRAIL for 10% off.