CyclingTips and Strava are challenging you to put in 15 hours on the bike during the week of February 25th. For cyclists in Australia, this is your chance to spice up the February lull. For the rest of the world, this is your chance to get some additional base miles in before your season begins. Sounds easy, right? But wait, there's more... CyclingTips has also added a group element to this Challenge! At the end of the Challenge, CyclingTips will add up all the hours ridden by Australians and compare to the hours ridden by cyclists in the rest of the world. What does the winning group get? Eternal Strava bragging rights and the chance to take it to Australia. It's Australia vs. the World! Even though it feels like summer is slowly fading in Australia, the weather is still sensational and it's easy to get out for a ride in the mornings. However, this probably isn't the case in most other parts of the world and that's what might make this Challenge fair. While you're putting in the kilometers, be sure to share your rides on Twitter or Instagram using the hashtag #FebFifteen. Show the world what conditions you are riding in, be it sun, sleet, or snow!