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Heart block: cause of condition which affects endurance athletes identified in study using racehorses
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Free Images : forest, person, girl, sport, boy, run, europe, high, park, jogging, runner, ash, crosscountry, race, competition, woods, holland, amsterdam, netherlands, m, 50, school, runners, junior, leica, 240, summilux, varsity, athletics,
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Irish endurance runner to run across Europe as preparation for epic run across Antarctica - Independent.ie
![Free Images : person, trail, run, europe, jogging, runner, ash, 2015, race, hague, m, american, team, boys, 50, switzerland, school, zurich, runners, leica, 240, summilux, varsity, athletics, meet, isst, tournament, xc, physical Free Images : person, trail, run, europe, jogging, runner, ash, 2015, race, hague, m, american, team, boys, 50, switzerland, school, zurich, runners, leica, 240, summilux, varsity, athletics, meet, isst, tournament, xc, physical](https://get.pxhere.com/photo/person-trail-running-run-country-recreation-europe-jogging-runner-cross-ash-2015-race-hague-m-american-team-sports-boys-50-switzerland-school-zurich-runners-endurance-leica-240-summilux-varsity-athletics-meet-isst-tournament-xc-physical-exercise-outdoor-recreation-human-action-endurance-sports-ultramarathon-duathlon-long-distance-running-cross-country-running-578164.jpg)
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Marathon runner cooling himself with cold water after running Prato Della Valle Padua Padova Veneto Italy Europe Stock Photo - Alamy
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