Case studies

What's all this about?

8th February, 2025

Black Canyon 100km

Carb per hour: 58g

Sodium per hour: 367mg

Fluid per hour: 13.05oz

Relative sodium concentration: 951mg/L

26th October, 2024

Javelina Jundred

Carb per hour: 74g

Sodium per hour: 337mg

Fluid per hour: 17.58oz

Relative sodium concentration: 649mg/L

21st September, 2024

Mammoth Trail Fest 50km

Carb per hour: 77g

Sodium per hour: 119mg

Fluid per hour: 6.53oz

Relative sodium concentration: 618mg/L

29th June, 2024

Western States® 100-Mile Endurance Run

Carb per hour: 67g

Sodium per hour: 353mg

Fluid per hour: 19.68oz

Relative sodium concentration: 606mg/L

Most of these athletes use PH 1500 to start hydrated

Read our guide to starting hydrated

14th April, 2024

Gorge Waterfalls 50km

Carb per hour: 97g

Sodium per hour: 201mg

Fluid per hour: 12.75oz

Relative sodium concentration: 535mg/L