RUNNER TOOLS
Tools & Calculators
Free tools to check whether your time qualifies, convert distances, calculate pace, and predict race times.
Comrades 2027 Qualifying Calculator
Check whether your marathon or ultra time qualifies you for the 100th Comrades, with every standard and the qualifying window on the same page.
Two Oceans 2027 Qualifying Calculator
Enter your marathon or ultra time and instantly check whether you qualify for the 2027 Two Oceans Ultra. Every ballot date you need is on the same page.
Put the numbers to work
Got your pace? Pick a race.
Numbers are only half the story. Find an upcoming race to point them at, or learn what your easy pace should feel like.