Case studies
Boston Marathon
Francois de Repentigny
Carb per hour: 51g
Sodium per hour: 380mg
Fluid per hour: 350ml
Relative sodium concentration: 1085mg/L
View Francois's NumbersBoston Marathon
Francois de Repentigny
Carb per hour: 51g
Sodium per hour: 380mg
Fluid per hour: 350ml
Relative sodium concentration: 1085mg/L
View Francois's NumbersAtlantic Coast Ultra
Andy Sloan
Carb per hour: 89g
Sodium per hour: 734mg
Fluid per hour: 666ml
Relative sodium concentration: 1102mg/L
View Andy's NumbersAtlantic Coast Ultra
Andy Sloan
Carb per hour: 89g
Sodium per hour: 734mg
Fluid per hour: 666ml
Relative sodium concentration: 1102mg/L
View Andy's NumbersLakes in a Day
Damian Hall
Carb per hour: 54g
Sodium per hour: 212mg
Fluid per hour: 314ml
Relative sodium concentration: 677mg/L
View Damian's NumbersLakes in a Day
Damian Hall
Carb per hour: 54g
Sodium per hour: 212mg
Fluid per hour: 314ml
Relative sodium concentration: 677mg/L
View Damian's NumbersLakes in a Day
Ry Webb
Carb per hour: 73g
Sodium per hour: 1084mg
Fluid per hour: 471ml
Relative sodium concentration: 2302mg/L
View Ry's NumbersLakes in a Day
Ry Webb
Carb per hour: 73g
Sodium per hour: 1084mg
Fluid per hour: 471ml
Relative sodium concentration: 2302mg/L
View Ry's NumbersLondon Marathon
Tim Doran
Carb per hour: 84g
Sodium per hour: 0mg
Fluid per hour: 456ml
Relative sodium concentration: 0mg/L
View Tim's NumbersLondon Marathon
Tim Doran
Carb per hour: 84g
Sodium per hour: 0mg
Fluid per hour: 456ml
Relative sodium concentration: 0mg/L
View Tim's NumbersLondon Marathon
Nick Harris-Fry
Carb per hour: 50g
Sodium per hour: 219mg
Fluid per hour: 353ml
Relative sodium concentration: 621mg/L
View Nick's NumbersLondon Marathon
Nick Harris-Fry
Carb per hour: 50g
Sodium per hour: 219mg
Fluid per hour: 353ml
Relative sodium concentration: 621mg/L
View Nick's NumbersLondon Marathon
Dan Collins
Carb per hour: 37g
Sodium per hour: 332mg
Fluid per hour: 396ml
Relative sodium concentration: 837mg/L
View Dan's NumbersLondon Marathon
Dan Collins
Carb per hour: 37g
Sodium per hour: 332mg
Fluid per hour: 396ml
Relative sodium concentration: 837mg/L
View Dan's NumbersLoch Ness Marathon
Daniel Silvester
Carb per hour: 63g
Sodium per hour: 349mg
Fluid per hour: 366ml
Relative sodium concentration: 952mg/L
View Daniel's NumbersLoch Ness Marathon
Daniel Silvester
Carb per hour: 63g
Sodium per hour: 349mg
Fluid per hour: 366ml
Relative sodium concentration: 952mg/L
View Daniel's NumbersLondon Marathon
Jen Aylward
Carb per hour: 23g
Sodium per hour: 108mg
Fluid per hour: 240ml
Relative sodium concentration: 450mg/L
View Jen's NumbersLondon Marathon
Jen Aylward
Carb per hour: 23g
Sodium per hour: 108mg
Fluid per hour: 240ml
Relative sodium concentration: 450mg/L
View Jen's NumbersMarathon des Sables
Pierre Meslet
Carb per hour: 76g
Sodium per hour: 1374mg
Fluid per hour: 998ml
Relative sodium concentration: 1377mg/L
View Pierre's NumbersMarathon des Sables
Pierre Meslet
Carb per hour: 76g
Sodium per hour: 1374mg
Fluid per hour: 998ml
Relative sodium concentration: 1377mg/L
View Pierre's NumbersOdyssey Swimrun Orcas Island
Chris Douglas
Carb per hour: 41g
Sodium per hour: 417mg
Fluid per hour: 316ml
Relative sodium concentration: 1319mg/L
View Chris's NumbersOdyssey Swimrun Orcas Island
Chris Douglas
Carb per hour: 41g
Sodium per hour: 417mg
Fluid per hour: 316ml
Relative sodium concentration: 1319mg/L
View Chris's NumbersWelsh National 50m Time Trial
Claire Hann
Carb per hour: 84g
Sodium per hour: 208mg
Fluid per hour: 207ml
Relative sodium concentration: 1006mg/L
View Claire's NumbersWelsh National 50m Time Trial
Claire Hann
Carb per hour: 84g
Sodium per hour: 208mg
Fluid per hour: 207ml
Relative sodium concentration: 1006mg/L
View Claire's Numbers