First Endurance is proud to partner with three of the best Ultra Running Teams in the country each with their own unique set of athletes in the world of Ultra Running. First Endurance is proud to supply these teams with great nutrition and to have a relationship with athletes dedicated to running 20 and 30 hours non-stop. Our partnership with these amazing athletes allow us to formulate the best endurance products in the world. Its the ultimate testing grounds for endurance nutrition.

"Simply put, no one comes close to First Endurance. Its no coincidence that I started winning nearly every race I entered since starting on First Endurance."
Karl Meltzer
Thirty Five- 1st Place Wins
Six 100 Mile Ultra wins in one year-World Record
2X Ultra Runner of the Year