Case studies
RunningMarathon
8th March, 2026
Los Angeles Marathon
Dave Blow
42.2km
3hrs 14mins
Mild
Carb per hour: 75g
Sodium per hour: 474mg
Fluid per hour: 619ml
Relative sodium concentration: 766mg/L
View Dave's NumbersRunningMarathon
8th March, 2026
Los Angeles Marathon
Dave Blow
42.2km
3hrs 14mins
Mild
Carb per hour: 75g
Sodium per hour: 474mg
Fluid per hour: 619ml
Relative sodium concentration: 766mg/L
View Dave's NumbersRunningUltra
22nd March, 2024
Jurassic Coast Challenge
Dave Blow
136.6km
17hrs 3mins
Cold, Rain
Carb per hour: 57g
Sodium per hour: 509mg
Fluid per hour: 434ml
Relative sodium concentration: 1174mg/L
View Dave's NumbersRunningUltra
22nd March, 2024
Jurassic Coast Challenge
Dave Blow
136.6km
17hrs 3mins
Cold, Rain
Carb per hour: 57g
Sodium per hour: 509mg
Fluid per hour: 434ml
Relative sodium concentration: 1174mg/L
View Dave's NumbersRunningHalf marathon
4th February, 2024
Bowline CC Charnwood Hills Race
Dave Blow
23.3km
1hr 54mins
Mild
Carb per hour: 79g
Sodium per hour: 262mg
Fluid per hour: 262ml
Relative sodium concentration: 1000mg/L
View Dave's NumbersRunningHalf marathon
4th February, 2024
Bowline CC Charnwood Hills Race
Dave Blow
23.3km
1hr 54mins
Mild
Carb per hour: 79g
Sodium per hour: 262mg
Fluid per hour: 262ml
Relative sodium concentration: 1000mg/L
View Dave's Numbers