strava connects millions of runners, cyclists, hikers, walkers and other active people through the sports they love – all on our mobile app and website.

marathonguide.com - the complete marathon resource and community. complete directory of marathons, marathon results, athlete and race news, marathon history, training schedules, chat, email, marathoning humor - everything for the marathon runner and marathon fan.

trisignup provides a simple way to register for triathlon and duathlon races. you can create and manage your race for free.

mtec results: comprehensive race results for 5k, 10k, marathon, triathlon events featuring live runner tracking finisher videos, finisher certificates, in depth data and statistics

highlands ranch community association is an award-winning nonprofit organization for over 30,000 home owners in highlands ranch, colorado. the hrca provides community leadership, architectural control and covenant enforcement, manages four state-of-the-art recreation centers, the backcountry wilderness area, provides fitness, sports and educational opportunities, and hosts community events.

view all your hard-earned race results in one place on athlinks, connect with friends, and see how you stack up against the competition.

read the latest triathlon news, training and nutrition tips and access your usa triathlon membership account

the official athletics website for the university of denver pioneers

página web oficial de la real federación española de patinaje

world skate is the governing body for skateboarding and roller sports, officially recognised by the international olympic committee.