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Case studies

RunningMarathon
11th October, 2021

Boston Marathon

Francois de Repentigny

42.2km
4hrs 17mins

Carb per hour: 51g

Sodium per hour: 380mg

Fluid per hour: 350ml

Relative sodium concentration: 1085mg/L

View Francois's Numbers
2nd
RunningUltra
9th October, 2021

Atlantic Coast Ultra

Andy Sloan

64.0km
5hrs 47mins

Carb per hour: 89g

Sodium per hour: 734mg

Fluid per hour: 666ml

Relative sodium concentration: 1102mg/L

View Andy's Numbers
2nd
RunningUltra
9th October, 2021

Lakes in a Day

Damian Hall

80.0km
9hrs 43mins

Carb per hour: 54g

Sodium per hour: 212mg

Fluid per hour: 314ml

Relative sodium concentration: 677mg/L

View Damian's Numbers
1st
RunningUltra
9th October, 2021

Lakes in a Day

Ry Webb

80.0km
9hrs 8mins

Carb per hour: 73g

Sodium per hour: 1084mg

Fluid per hour: 471ml

Relative sodium concentration: 2302mg/L

View Ry's Numbers
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RunningMarathon
3rd October, 2021

London Marathon

Tim Doran

42.2km
2hrs 51mins

Carb per hour: 84g

Sodium per hour: 0mg

Fluid per hour: 456ml

Relative sodium concentration: 0mg/L

View Tim's Numbers
RunningMarathon
3rd October, 2021

London Marathon

Nick Harris-Fry

42.2km
2hrs 33mins

Carb per hour: 50g

Sodium per hour: 219mg

Fluid per hour: 353ml

Relative sodium concentration: 621mg/L

View Nick's Numbers
RunningMarathon
3rd October, 2021

London Marathon

Dan Collins

42.2km
2hrs 39mins

Carb per hour: 37g

Sodium per hour: 332mg

Fluid per hour: 396ml

Relative sodium concentration: 837mg/L

View Dan's Numbers
RunningMarathon
3rd October, 2021

Loch Ness Marathon

Daniel Silvester

42.2km
2hrs 52mins

Carb per hour: 63g

Sodium per hour: 349mg

Fluid per hour: 366ml

Relative sodium concentration: 952mg/L

View Daniel's Numbers
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RunningMarathon
3rd October, 2021

London Marathon

Jen Aylward

42.2km
4hrs 10mins

Carb per hour: 23g

Sodium per hour: 108mg

Fluid per hour: 240ml

Relative sodium concentration: 450mg/L

View Jen's Numbers
RunningUltra
3rd October, 2021

Marathon des Sables

Pierre Meslet

235.0km
25hrs 38mins

Carb per hour: 76g

Sodium per hour: 1374mg

Fluid per hour: 998ml

Relative sodium concentration: 1377mg/L

View Pierre's Numbers
OtherSwimrun
26th September, 2021

Odyssey Swimrun Orcas Island

Chris Douglas

39.0km
6hrs 33mins

Carb per hour: 41g

Sodium per hour: 417mg

Fluid per hour: 316ml

Relative sodium concentration: 1319mg/L

View Chris's Numbers
1st
CyclingTime trial
26th September, 2021

Welsh National 50m Time Trial

Claire Hann

80.0km
1hr 55mins

Carb per hour: 84g

Sodium per hour: 208mg

Fluid per hour: 207ml

Relative sodium concentration: 1006mg/L

View Claire's Numbers
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