The Official Nutrition Sponsor of the Boston Marathon since 2015, CLIF has long celebrated the spirit of adventure that fuels every athlete. From first place to the final finisher, we’ll be there to celebrate anyone who dares to make their mark at the world’s most famous marathon.
FEATURED FLAVORS ON COURSE
Get Razzed, get energized and get to the finish line.
BOSTON CREAM PIE FLAVOR
Inspired by the city that's home to the world's most famous marathon. Official Energy Gel of The Boston Marathon®.
Key in on this lemon + lime masterpiece. Light tasting, refreshing, and ready to rock, run, and roll.
Chocolate + coffee flavors, with a kick of caffeine. A deliciously dynamic duo.