A popular website is Map My Ride (and its counterparts, Map My Run and no joke, Map My Dogwalk, which all use the same basic software). MapMyRide has every feature you could really need when mapping out your bike route.

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As with other route planning websites, you are able to create a route of your own. However MapmyRide stands out as the social feature has the ability to look for routes that other users in your geographic area have ridden, apparently there are more than 120 million bike routes all over the globe. This feature has a lot of potential value, but it largely depends on your area and how many other users are in it.

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 In addition to mapping tools, the site also provides online training tools for competitive bikers, nutrition tracking calculators and the ability to share your routes with friends. Also, after you finish a ride, a summary shows duration, calories burned (if you have entered your height, weight, age, and sex), average speed and pace, and maximum speed and pace which can help you keep track of your progress easily. Mapmyride has had difficulties in the past but I believe that a lot of these issues have now been resolved.