Trail Society

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.
Follow Us:
Join Feisty at the Grand Traverse in Duluth, MN on October 3rd! Use code FEISTY20 for $20 off when you register at https://feisty.co/events/the-grand-traverse/
@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.

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.
Follow Us:
Join Feisty at the Grand Traverse in Duluth, MN on October 3rd! Use code FEISTY20 for $20 off when you register at https://feisty.co/events/the-grand-traverse/
@feisty_media
@trail.society
Support our Partners:
Injinji: use code  Trailrun15 to get 15% off at https://www.injinji.com/
Good Ranchers: Subscribe and get $25 off your first order with the code IRON at goodranchers.com
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.
How belief shapes attention, effort, and perception
Why expectations can change the way training and racing feel
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:
Join Feisty at the Grand Traverse in Duluth, MN on October 3rd! Use code FEISTY20 for $20 off when you register at https://feisty.co/events/the-grand-traverse/
@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.

Researcher and runner Katherine Boere joins Corinne to talk about the connection between physiological depletion and cognitive function in runners. We've all been there: Making wild choices late in races that we swear seemed to make sense at the time. Why do decisions seem to get harder after you've run farther?
The two of them dig into:
the research around cognitive fatigue in marathons and ultramarathons
what role low energy availability plays
and what it means for how you train, fuel, and recover

Boere is a Ph.D. candidate in the neuroscience program at the University of Victoria and a senior performance researcher at the Nike Sport Research Lab. And much or her research is inspired by her own experience putting in the miles out on the trails.
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.
Good Ranchers: Subscribe and get $25 off your first order with the code IRON at goodranchers.com
Follow Us:
Join Feisty at the Grand Traverse in Duluth, MN on October 3rd! Use code FEISTY20 for $20 off when you register at https://feisty.co/events/the-grand-traverse/
@feisty_media
@trail.society
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.

In this episode of Trail Society, Corrine and Keely dig into the question a lot of female athletes ask this time of year, as training starts to ramp back up: Is this normal fatigue, or could it be anemia?
They break down the difference between training stress and iron deficiency
Why ferritin matters even when your labs look “normal”
And what athletes should pay attention to when their body starts feeling off

Plus: spring race season news, a major WNBA update, and a few standout stories from the Trail Society community.
Follow Us:
Join Feisty at the Grand Traverse in Duluth, MN on October 3rd! Use code FEISTY20 for $20 off when you register at https://feisty.co/events/the-grand-traverse/
@feisty_media
@trail.society
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.