The biggest, baddest, running challenge in the world is back
ARE YOU UP FOR IT?

100 Amazing Days of Fun Start from April 28th!

It’s going to be hot, it’s going to be tough, it’s going to be cruel. But at the end of it all, you will come out a winner, come what may! 100 days has been a life changer for so many of our participants. It’s time to change yours, one day at a time.

Check out our inaugural runs on Apr 28th happening across the country here!

2017 edition saw a record breaking participation with more than 4000 runners from across India and worldwide taking part in the event, and running a massive 9.9 lakh km over the 100 days (for reference distance between Earth and Moon is 3.84 lakh km).

Useful Links

Rules | FAQs | Participant page | Running apps | Using Garmin | Sync to Strava | Combine Runs

Images from 2017

For more, visit our photo gallery.