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Case studies

1st
RunningUltra
15th March, 2025

Chuckanut 50k

Chris Myers

50.0km
3hrs 39mins

Carb per hour: 107g

Sodium per hour: 411mg

Fluid per hour: 411ml

Relative sodium concentration: 1000mg/L

View Chris's Numbers
RunningMarathon
9th March, 2025

Nagoya Women's Marathon

Izzi Batt-Doyle

42.2km
2hrs 23mins

Carb per hour: 80g

Sodium per hour: 0mg

Fluid per hour: 418ml

Relative sodium concentration: 0mg/L

View Izzi's Numbers
2nd
RunningUltra
8th March, 2025

Mesquite Canyon 50km

Eric LiPuma

50.0km
4hrs

Carb per hour: 97g

Sodium per hour: 625mg

Fluid per hour: 750ml

Relative sodium concentration: 833mg/L

View Eric's Numbers
1st
CyclingGravel
1st March, 2025

Dirty South Roubaix

Paige Onweller

100.0km
3hrs 16mins

Carb per hour: 97g

Sodium per hour: 314mg

Fluid per hour: 355ml

Relative sodium concentration: 884mg/L

View Paige's Numbers
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2nd
TriathlonFull distance
1st March, 2025

IRONMAN® New Zealand

Jocelyn McCauley

226.2km
8hrs 56mins

Carb per hour: 75g

Sodium per hour: 608mg

Fluid per hour: 662ml

Relative sodium concentration: 918mg/L

View Jocelyn's Numbers
CyclingRoad
22nd February, 2025

Tucson Bicycle Classic Stage 4

Anna Hicks

132.0km
3hrs 26mins

Carb per hour: 79g

Sodium per hour: 436mg

Fluid per hour: 436ml

Relative sodium concentration: 1000mg/L

View Anna's Numbers
CyclingRoad
22nd February, 2025

Tucson Bicycle Classic Stage 4

Marlies Mejias Garcia

132.0km
3hrs 26mins

Carb per hour: 131g

Sodium per hour: 145mg

Fluid per hour: 436ml

Relative sodium concentration: 333mg/L

View Marlies'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
Most of these athletes use PH 1500 to start hydratedRead our guide to starting hydratedTake a look
2nd
CyclingGravel
16th February, 2025

Santa Vall Day 2

Annika Langvad

116.5km
3hrs 51mins

Carb per hour: 125g

Sodium per hour: 0mg

Fluid per hour: 545ml

Relative sodium concentration: 0mg/L

View Annika's Numbers
1st
RunningUltra
15th February, 2025

Tarawera Ultra-Trail 50k

Hayden Hawks

52.0km
3hrs 18mins

Carb per hour: 78g

Sodium per hour: 0mg

Fluid per hour: 679ml

Relative sodium concentration: 0mg/L

View Hayden's Numbers
1st
RunningUltra
15th February, 2025

Tarawera 102

Dan Jones

102.0km
7hrs 17mins

Carb per hour: 112g

Sodium per hour: 743mg

Fluid per hour: 703ml

Relative sodium concentration: 1057mg/L

View Dan's Numbers
1st
CyclingGravel
15th February, 2025

Santa Vall Day 1

Annika Langvad

80.0km
2hrs 34mins

Carb per hour: 94g

Sodium per hour: 0mg

Fluid per hour: 468ml

Relative sodium concentration: 0mg/L

View Annika's Numbers
Most athletes seen here eat a gel just before they start(Usually it's a PF 30 Gel...)Learn more