Orka Run
Races
Race Prep Tools
Blog
Download Now
Race Prep Tools
Race Readiness Quiz
Marathon Time Predictor
Marathon Fueling & Hydration Calculator
Running Shoe Finder
Explore All Tools
Marathon Fueling & Hydration Calculator
Carbs, sodium and fluid targets for your long runs.
1
Race Details
2
Athlete Profile
3
Sweat & Nutrition
Step 1 of 3 ·
Race Details
Race Distance
(km)
5K
10K
21.1
42.2
Custom
Expected Finish Time
Hours
Minutes
Likely race conditions
Cold
<10°
Mild
10–18°
Hot
19–26°
Very Hot
>26°
How will you approach the race?
i
Finish & enjoy
Push, controlled
Race all-out
Continue to Profile
Reset
Supports
Garmin
Apple
Google Fit
Whoop
Oura
Garmin
Apple
Google Fit
Whoop
Oura
Terms & Conditions
•
Privacy Policy
•
© 2026 Orka. All rights reserved.
