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  • #: 195309
  • Price: $3.99 In Apple Store
  • Category: Health & Fitness
  • Updated: 2008-12-03
  • Current Version: 1.0
  • 1.0
  • Size: 0.20 MB
  • Language: English
  • Seller: George Root
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 2.0 or later
  • © 2008 George Root
  •  Add to Favorite apps



The difficulty of a bike ride is typically expressed by two numbers: the total distance traveled, and the cumulative elevation gain. Over the years there have been various ideas for combining these two numbers into a single estimate of “how difficult….. Read more

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Rated 5/5 based on 1 customer reviews.


5/5 stars
Finally an Objective Way to Rate Ride Difficulty

For years my bike club has been rating our rides by giving the total distance and the elevation gain. We have had many discussions about which is harder: a long flat ride or a shorter ride with a lot of climbing. This app finally provides a way to answer that question by estimating the total energy needed to do the ride. It doesn't simply assume that you burn 400 calories an hour when riding your bike. It actually applies physics to figure out how much energy goes into climbing hills and riding on flat roads. True, it's only an estimate, but it's a whole lot better than any previous method. Now, instead of trying to figure out whether a 2B ride is more difficult than a 3A ride, we can be sure that a 1500 calorie ride is probably more difficult than a 1000 calorie ride. Our new members can pretty quickly figure out which rides are for them and which ones aren't.

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