Science in Sport 22k Isotonic Challenge

Run to win a Garmin watch, SiS nutrition and more - with 6 free gels to fuel your challenge

Challenge Ended: March 21, 2019
As the creators of the world's first Isotonic Energy Gel, Science in Sport are dedicated to fueling athletes. That's why there's at least 22 grams of carbohydrates in all SiS energy gels--so you run out of road before you run out of steam.

Kickstart your spring training by running 22km between March 8th and March 21st and receive an exclusive gift from Science in Sport, along with a chance to win 1 of 10 Garmin vívoactive® 3 Music watches.

All participants can fuel their challenge with a free 6 pack of GO Isotonic Energy Gels with their next order over £10/$10/€10

Visit scienceinsport.com to learn more about our full range of sports nutrition products. Join the Science in Sport Global Run Club to stay up to date on training tips and tricks.
  • 73,404
    Participants
  • 3,682,822
    Total Kilometers Run
Science in Sport 22k Isotonic Challenge logo

Challenge Reward

There are three ways to win:

1) All participants can fuel their challenge with a free 6 pack of GO Isotonic Energy Gels with their next order over £10/$10/€10 on scienceinsport.com.

2) Complete the challenge and opt in to receive an exclusive 25% discount code to use on scienceinsport.com.

3) Complete the challenge and opt in for a chance of winning 1 of 10 Garmin vívoactive® 3 Music watches. See official rules for eligibility requirements.

Prize Information

Earn your SiS badge and entry to win 1 of 10 Garmin vívoactive® 3 Music watches. All finishers will receive an exclusive 25% SiS voucher

Additional Info

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

Manual entries, virtual runs, and 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 Science in Sport.
Official Rules