May 4–9, 2026

Registration opens on September 1

CHOOSE YOUR ISSYK KUL CHALLENGE

SIX-DAY CHALLENGE

Already conquered the Marathon des Sables, Spartathlon, or even Badwater? Wondering what’s next?

Here it is: 463 km in 6 days, at altitudes up to 2,100 m – a challenge like no other. Test your physical and mental limits in The World’s Longest 6-Stage Foot Race.

SIX-ULTRA CHALLENGE

Conquered Comrades and ready for something new – but not six days of running just yet?

Tackle 463 km at your own pace, one ultra at a time: 5 races of 79–88 km and one of 45 km. Collect them all, earn a unique prize, and create your legacy.