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---Choose a directory---Adventure RacingAirsoftAnimal SportsArcheryBadmintonBaseballBasketballBilliardsBocceBoomerangBowlingBoxingCheerleadingCollege and UniversityCricketCroquetCyclingDartsDisabledEquestrianEventsExtreme SportsFantasyFencingFlying DiscsFootballGaelicGoalballGolfGreyhound RacingGymnasticsHandballHockeyHorse RacingInformal SportsJai AlaiKabbadiKorfballLacrosseLaser GamesLumberjackMartial ArtsMotorsportsMulti-SportsNetballOfficiatingOrganizationsOrienteeringPaddleballPaintballPeoplePetanqueRacquetballResourcesRodeoRope SkippingRoundersRunningSepak TakrawSkateboardingSkatingSoccerSoftballSoftwareSquashStrength SportsTable TennisTchoukballTeam HandballTeam SpiritTennisTrack and FieldVolleyballWalkingWater SportsWinter SportsWomenWrestlingYouth and High School  >  Cross Country CATEGORIES : Running - Cross Country College and University [547 Sites] Events [13 Sites] Youth and High School [70 Sites] SITES ( Alphabetical  |  More clicked ) Bone Health in Female Runners Intervention Trial (B-FIT) Running - Cross Country Many female distance runners experience a loss of menstruation which is an indication of low levels of estrogen. Being low in estrogen leads to poor bone health. We are looking for competitive women runners ages 18-25 who are interested in becoming a part of this Stanford University study. b - fit - female athletes - long distance running - bones - amenorrhea - female athlete triad - osteoporosis information for female distance runners concerned about amenorrhea and bone health. Cross Country and Running Analysis Running - Cross Country Cross Country, Track, and Running Analysis--try the track calculator   .