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Case studies

OtherSwimrun
7th September, 2026

ÖTILLÖ Swimrun World Championship

Chris Douglas

69.8km
11hrs 5mins

Carb per hour: 72g

Sodium per hour: 428mg

Fluid per hour: 189ml

Relative sodium concentration: 2262mg/L

View Chris's Numbers
OtherSwimrun
5th September, 2022

ÖTILLÖ Swimrun World Championship

Chris Douglas

70.0km
10hrs 20mins

Carb per hour: 76g

Sodium per hour: 74mg

Fluid per hour: 307ml

Relative sodium concentration: 241mg/L

View Chris's Numbers
OtherSwimrun
23rd April, 2022

Swimrun Lake James

Chris Douglas

30.5km
3hrs 38mins

Carb per hour: 58g

Sodium per hour: 0mg

Fluid per hour: 495ml

Relative sodium concentration: 0mg/L

View Chris's Numbers
OtherSwimrun
26th September, 2021

Odyssey Swimrun Orcas Island

Chris Douglas

39.0km
6hrs 33mins

Carb per hour: 41g

Sodium per hour: 417mg

Fluid per hour: 316ml

Relative sodium concentration: 1319mg/L

View Chris's Numbers
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