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Case studies

1st
RunningUltra
28th June, 2025

Western States® 100-Mile Endurance Run

Caleb Olson

161.3km
14hrs 11mins

Carb per hour: 109g

Sodium per hour: 724mg

Fluid per hour: 1,092ml

Relative sodium concentration: 663mg/L

View Caleb's Numbers
1st
RunningUltra
21st February, 2025

Transgrancanaria Classic

Caleb Olson

126.0km
12hrs 17mins

Carb per hour: 111g

Sodium per hour: 472mg

Fluid per hour: 732ml

Relative sodium concentration: 644mg/L

View Caleb's Numbers
RunningUltra
30th August, 2024

CCC by UTMB

Caleb Olson

100.0km
11hrs 16mins

Carb per hour: 103g

Sodium per hour: 466mg

Fluid per hour: 444ml

Relative sodium concentration: 1049mg/L

View Caleb's Numbers
RunningUltra
29th June, 2024

Western States® 100-Mile Endurance Run

Caleb Olson

161.3km
14hrs 40mins

Carb per hour: 104g

Sodium per hour: 665mg

Fluid per hour: 886ml

Relative sodium concentration: 750mg/L

View Caleb's Numbers
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2nd
RunningUltra
27th April, 2024

Madeira Island Ultra Trail 85km

Caleb Olson

85.0km
9hrs 2mins

Carb per hour: 98g

Sodium per hour: 438mg

Fluid per hour: 557ml

Relative sodium concentration: 786mg/L

View Caleb's Numbers
2nd
RunningUltra
27th January, 2024

Arches Ultra 50km

Caleb Olson

50.0km
3hrs 32mins

Carb per hour: 84g

Sodium per hour: 270mg

Fluid per hour: 254ml

Relative sodium concentration: 1067mg/L

View Caleb's Numbers