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Case studies

RunningMarathon
8th March, 2026

Los Angeles Marathon

Andy Blow

42.2km
2hrs 58mins

Carb per hour: 101g

Sodium per hour: 420mg

Fluid per hour: 484ml

Relative sodium concentration: 868mg/L

View Andy's Numbers
RunningHalf marathon
4th February, 2024

Bowline CC Charnwood Hills Race

Andy Blow

23.3km
1hr 38mins

Carb per hour: 41g

Sodium per hour: 371mg

Fluid per hour: 371ml

Relative sodium concentration: 1000mg/L

View Andy's Numbers
OtherSwimrun
5th September, 2022

ÖTILLÖ Swimrun World Championship

Andy Blow

70.0km
8hrs 53mins

Carb per hour: 81g

Sodium per hour: 444mg

Fluid per hour: 338ml

Relative sodium concentration: 1315mg/L

View Andy's Numbers
OtherSwimrun
2nd September, 2019

ÖTILLÖ Swimrun World Championships

Andy Blow

75.0km
9hrs

Carb per hour: 55g

Sodium per hour: 867mg

Fluid per hour: 483ml

Relative sodium concentration: 1793mg/L

View Andy's Numbers
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