After gel-induced gastrointestinal issues quickly ended a long training session, our founder Carlos decided to make and use his own running fuel for the 2023 BMO Vancouver Half Marathon.

Fuelling his race with a homemade mix of maltodextrin and mango puree was the beginning of an R&D journey into countless energy gel recipes. Groundspeed Sport has developed, tested and delivers a world class fuelling system to support endurance athletes on all-terrain.

Over the past two years, Carlos, as have many others, fuelled many races with only our GS75G. Most recently these include the; 2025 BMO Full Marathon, 2025 Handloggers Half Marathon - Trail and the 2025 Bowen Island Rotary Run 10K.

Having dealt with GI issues since childhood including a rare diagnosis (Esophageal Achalasia) in 2013, Carlos and the Groundspeed Sport team are focused on developing fuelling solutions specially with those that have a sensitive GI tract in mind.