Altra Footwear creates shoes that map your feet. They focuses on a foot shaped toe box for a perfect fit, and balanced cushion for biomechanical positioning.

SFuels was born to provide athletes the right fuel at the right time - to Go Longer in todays performance, and Longevity for tomorrows health and wellbeing.

delta G is a ketone ester suppliment. Funded by DARPA and the NIH under the "metabolic dominance" program.

Free deltaG Consult for protocol.

LMNT contains 1000 mg sodium, 200 mg potassium, 60 mg magnesium, and zero sugar, based on the latest scientific literature and evidence.

Janji apparel is made with durability in mind, and is backed by a 5 year Run Everywhere guarantee. Key features include: lightweight, breathable, moisture wicking, odor-resistant, thermoregulation, super soft, and flexible.

Here are some products that Zach finds useful preparing for and racing ultramarathons. Check out this list to get an idea of what type of tools are worth considering for race day preparing for it.