Ultra freaks, take note: Gu’s new high-powered sugar slurp has about three times the citrates and amino acids of its regular gels and may help battle fatigue in extreme races. Taste? Salty and a touch bitter. gusports.com
New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today.