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Case studies / Running

2nd
RunningUltra
28th August, 2026

UTMB

Rachel Entrekin

173.6km
22hrs 15mins

Carb per hour: 52g

Sodium per hour: 445mg

Fluid per hour: 469ml

Relative sodium concentration: 948mg/L

View Rachel's Numbers
1st
RunningUltra
28th August, 2026

CCC by UTMB

Yngvild Kaspersen

107.8km
12hrs 1min

Carb per hour: 89g

Sodium per hour: 202mg

Fluid per hour: 306ml

Relative sodium concentration: 660mg/L

View Yngvild's Numbers
3rd
RunningUltra
28th August, 2026

UTMB

Caleb Olson

173.6km
18hrs 48mins

Carb per hour: 87g

Sodium per hour: 441mg

Fluid per hour: 675ml

Relative sodium concentration: 653mg/L

View Caleb's Numbers
1st
RunningUltra
17th July, 2026

High Lonesome 100

Rebecca Bramley

161.0km
21hrs 55mins

Carb per hour: 65g

Sodium per hour: 226mg

Fluid per hour: 456ml

Relative sodium concentration: 495mg/L

View Rebecca's Numbers
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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® Endurance Run

Jeshurun Small

161.0km
16hrs 27mins

Carb per hour: 62g

Sodium per hour: 448mg

Fluid per hour: 677ml

Relative sodium concentration: 662mg/L

View Jeshurun'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
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RunningMarathon
6th June, 2026

Utah Valley Marathon

Susie Routt

42.2km
5hrs 37mins

Carb per hour: 55g

Sodium per hour: 273mg

Fluid per hour: 744ml

Relative sodium concentration: 367mg/L

View Susie'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
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
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