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Case studies / Running

RunningUltra
27th June, 2026

Western States® 100-Mile Endurance Run

Lotti Brinks

161.3km
16hrs 4mins

Carb per hour: 90g

Sodium per hour: 580mg

Fluid per hour: 485ml

Relative sodium concentration: 1196mg/L

View Lotti's Numbers
RunningUltra
27th June, 2026

Western States® 100-Mile Endurance Run

Lauren Puretz

161.3km
17hrs 24mins

Carb per hour: 73g

Sodium per hour: 472mg

Fluid per hour: 483ml

Relative sodium concentration: 978mg/L

View Lauren's Numbers
1st
RunningUltra
13th June, 2026

South Downs Way 100

Sarah Webster

160.0km
14hrs 27mins

Carb per hour: 59g

Sodium per hour: 281mg

Fluid per hour: 413ml

Relative sodium concentration: 679mg/L

View Sarah's Numbers
RunningMarathon
31st May, 2026

Cork Marathon

Jack Davis

42.2km
2hrs 49mins

Carb per hour: 96g

Sodium per hour: 442mg

Fluid per hour: 389ml

Relative sodium concentration: 1136mg/L

View Jack's Numbers
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RunningMarathon
24th May, 2026

Edinburgh Marathon

Nathan Hazell

42.2km
5hrs 52mins

Carb per hour: 95g

Sodium per hour: 582mg

Fluid per hour: 710ml

Relative sodium concentration: 820mg/L

View Nathan's Numbers
RunningUltra
16th May, 2026

Maverick Cotswolds Ultra

Emily Sutton

51.3km
6hrs 20mins

Carb per hour: 58g

Sodium per hour: 395mg

Fluid per hour: 441ml

Relative sodium concentration: 894mg/L

View Emily's Numbers
RunningUltra
16th May, 2026

Ultra Trail Snowdonia 50k

Amalia Ardeleanu

57.3km
8hrs 24mins

Carb per hour: 86g

Sodium per hour: 506mg

Fluid per hour: 595ml

Relative sodium concentration: 850mg/L

View Amalia's Numbers
RunningUltra
16th May, 2026

Jurassic Coast Ultra Challenge

Chris Knight

103.0km
20hrs 33mins

Carb per hour: 71g

Sodium per hour: 547mg

Fluid per hour: 502ml

Relative sodium concentration: 1090mg/L

View Chris's Numbers
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1st
RunningUltra
4th May, 2026

Cocodona 250

Rachel Entrekin

409.0km
56hrs 9mins

Carb per hour: 49g

Sodium per hour: 446mg

Fluid per hour: 341ml

Relative sodium concentration: 1306mg/L

View Rachel's Numbers
RunningUltra
4th May, 2026

Cocodona 250

Lindsey Bates

409.0km
72hrs 48mins

Carb per hour: 45g

Sodium per hour: 264mg

Fluid per hour: 212ml

Relative sodium concentration: 1244mg/L

View Lindsey's Numbers
RunningMarathon
26th April, 2026

London Marathon

Tom Caldecourt

42.2km
4hrs 11mins

Carb per hour: 75g

Sodium per hour: 1132mg

Fluid per hour: 1,013ml

Relative sodium concentration: 1118mg/L

View Tom's Numbers
1st
RunningUltra
24th April, 2026

Madeira Island Ultra Trail Discover

Rachel Drake

56.2km
5hrs 54mins

Carb per hour: 87g

Sodium per hour: 367mg

Fluid per hour: 684ml

Relative sodium concentration: 537mg/L

View Rachel's Numbers
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