HOKA ONE ONE® Project Carbon X 100K Challenge

Up for a challenge? Run 100K in 2 weeks.

Challenge Ended: May 17, 2019
Project Carbon X is coming. On May 4th, HOKA ONE ONE® athletes will attempt to break 100K and 10x10K World Records in the Carbon X, a shoe made with the latest innovation technology from HOKA ONE ONE®.

In honor of these world-record attempts, HOKA ONE ONE® is challenging you to run 100K between May 4th and May 17th. Run a little each day or the entire distance at once if you're feeling bold.

However you choose to run, it's Time to Fly™.

Learn more about and follow along with Project Carbon X here. Don't forget to join the HOKA ONE ONE® Club on Strava.
  • 53,282
    Participants
  • 3,549,304
    Total Kilometers Run
HOKA ONE ONE® Project Carbon X 100K Challenge logo

Challenge Reward

Run 100 kilometers between May 4th and May 17th to receive your HOKA ONE ONE® Project Carbon X 100K Challenge digital finisher's badge.

U.S. residents can also enter to win one of five prize packs from HOKA ONE ONE®. Each prize pack includes a pair of the Carbon X, a HOKA ONE ONE® backpack, travel tag and race kit.

Prize Information

Run to earn your HOKA ONE ONE® Project Carbon X 100K Challenge digital finisher's badge.

Additional Info

The Challenge starts and ends based on each participant's local time zone.

Manual entries, virtual runs, treadmill runs will not count towards the challenge goal. Activities must be marked "Everyone."

All activities logged during the Challenge period must be uploaded to Strava no later than three days after the Challenge ends.

The description of this challenge is provided by HOKA ONE ONE®.
Official Rules