Grant Mccartney
Grant Mccartney
@islandninja
8x American Ninja Warrior
Guinness World Record | Best Selling Children's Author
Guinness World Record | Best Selling Children's Author
LU Convocation | Ninja Warrior
WATCH NOW
Sign Up for my App
Island Ninja Merchandise
My Children's Book
GORUCK — Save 10%
Ten Thousand Clothing — 15% Off
RPM Training Co. — 10% Off
20% off PWR LIFT
$75off Ice Barrel Code:IslandNinja
YouTube
2026 Crossfit Quarterfinals Workout 3
YouTube
MERCH
Privacy Policy | Terms |