Case studies
RunningMarathon
10th October, 2026
Chicago Marathon
CJ Albertson
42.2km
2hrs 7mins
Mild
Carb per hour: 113g
Sodium per hour: 94mg
Fluid per hour: 424ml
Relative sodium concentration: 222mg/L
View CJ's NumbersRunningMarathon
10th October, 2026
Chicago Marathon
CJ Albertson
42.2km
2hrs 7mins
Mild
Carb per hour: 113g
Sodium per hour: 94mg
Fluid per hour: 424ml
Relative sodium concentration: 222mg/L
View CJ's NumbersRunningMarathon
21st April, 2025
Boston Marathon
CJ Albertson
42.2km
2hrs 10mins
Cold
Carb per hour: 108g
Sodium per hour: 553mg
Fluid per hour: 442ml
Relative sodium concentration: 1250mg/L
View CJ's NumbersRunningMarathon
21st April, 2025
Boston Marathon
CJ Albertson
42.2km
2hrs 10mins
Cold
Carb per hour: 108g
Sodium per hour: 553mg
Fluid per hour: 442ml
Relative sodium concentration: 1250mg/L
View CJ's Numbers