Start in high plank position. Perform as many mountain climbers as you can for three seconds. When the timer goes off, freeze your position for ...SearchRunner’sWorld+ExclusiveStoriesDownloadTrainingPlansFindaDealGetExpertAdviceMeetRW+MembersShopSubscribeTrainingMarathonTrainingHalfMarathonTrainingHealth&InjuriesNutrition&WeightLossDailyCaloriesCalculatorBMICalculatorRunningShoes&GearGear&AccessoriesShoesWhattoWearToolShoeFinderBeginnerRunningTipsAdvancedToolsRunningPaceCalculatorRaceTimesPredictorAgeGradeCalculatorPaceConverterTrainingPaceCalculatorCaloriesBurnedCalculatorRunWalkPaceCalculatorRaces&PlacesRaceFinderNewsRunner'sStoriesTrailRunningTrailRunningGearWomenNewsletterFollowFacebookTwitterPinterestInstagramYouTubeWinUnitedStatesUSUKEspañaNederlandDoNotSellMyPersonalInformationEditions:USUKEspañaNederlandSubscribeSignInMyAccountSignOutTypekeyword(s)tosearchToday'sTopStories15,000MetersYieldsThreeNewOlympians2WobbleBoardExercisesforFootandCoreStrength3ClaytonMurphyWinsMen’s800MetersattheTrials4TheBestAmazonPrimeDayDealsforRunners5EllePurrierSt.PierreWins1500MetersatTrialsTrevorRaabMountainclimbersareagreatpowermoveforrunners.Theyrampupyourheartrate,challengeyourbalanceandagility,andgetyourmusclesburning.Andthoughthey’reusuallyconsideredalower-bodyexercise,mountainclimbersactuallyengagetheupperarmsandcore,too.hearstAsanaddedbenefit,theexplosivenessofmountainclimbersmeansitdoesn’ttakemuchtoreaptherewards,soyoucanaddthismovetoyourregularprerunorpostrunroutinewithoutahugetimeinvestment.Onceyou’vemasteredthestandardmountainclimber,getevenmorebangforyourbuckbytryingoneofthesefivevariations,createdbyMary-KatherineFleming,LifeTimeruncoachandfounderoftheFitnessProtectionProgram.EachmovebelowisdemonstratedbyLindseyClayton,instructoratBarry’sBootcampandcofounderoftheBraveBodyProject.soyoucanlearnproperform.MountainClimberRepeatsYou’llberelievedwhenyoucrossthisfinishline.Ifyou’retrainingforamarathon,theserepeatswillgetyoureadyforthefatigueyou’llexperienceinthefinal10K.And