Disciplines100 200 400 relays 800 1500 mile steeplechase 3000 5000 10000 cross country 100H 110H 400H high jump long jump triple jump pole vault shot put discus hammer javelin decathlon heptathlon Race walking 5k 10k half marathon marathon 60m 60m hurdles 300m 500m 1000m 3000m indoor mile 4x100m 4x400m mixed 4x400m 4x800m distance medley relay sprint medley relay 20km 35km and the marathon race walk mixed relay Road one mile and road relays 300m hurdles 2 mile 4x1600mCompetitionOlympic Games World Athletics Championships Diamond League World Athletics Indoor Championships US Olympic Trials and USATF Championships NCAA outdoor and indoor World Cross Country Boston New York Chicago High school and youth championships Meet calendar World Athletics Relays World Athletics Ultimate Championship Grand Slam Track Continental Tour Gold USATF Indoor Championships Millrose Games Prefontaine Classic Penn Relays, Drake Relays and Texas Relays NCAA Cross Country Championships USATF Cross Country Championships Olympic Games Los Angeles 2028Marks & recordsWorld records American records NCAA and high school records Olympic and championship standards World rankings and points Wind readings and legality Altitude and conditions Season bests and all-time lists Record ratification World indoor records World U20 and U18 records Road world records and record-eligible courses Mixed relay records World record progression by event World Athletics scoring tables and points conversion Wind-aided versus legal marks explained World lead lists for the current seasonTrainingTraining by discipline Periodisation and the season Speed and acceleration development Aerobic base and threshold work Strength and plyometrics sprint mechanics jump approach throw sequence Spikes and shoe technology Injury prevention and return to run Fuelling and RED-S awareness Heat, humidity and hydration Altitude camps and living high training low Return to running after a bone stress injury Shoe technology and the World Athletics stack height rule Training on a treadmill and in winter Masters training and recoveryAthletes & programmesAthlete profiles College programmes and recruiting Professional training groups Coaches Athlete funding and prize money Anti-doping and testing Athlete welfareNewsRoad racingBoston New York City Chicago Berlin London Tokyo Sydney Boston qualifying times and the cut-off New York City Marathon time qualifiers and 9+1 Peachtree Road Race Bolder Boulder Falmouth Road Race Cherry Blossom Ten Mile Bay to Breakers Carlsbad 5000 Grandma's Marathon Houston Half USATF Road Running Championships Turkey Trots Western States 100 UTMB JFK 50 Leadville Trail 100 Comrades Course certification, record eligibility and downhill courses Charity entries, lotteries and how entry worksPara athleticsParalympic Games athletics programme World Para Athletics Championships T11 to T13 T20 T35 to T38 T42 to T47 T51 to T54 F32 to F57 Guide runners and how the T11 pairing works Prosthetics, racing chairs and equipment rules US Paralympics Track and Field National Championships Para world records and Paralympic records Classification disputes and reclassification

Speed and acceleration development

Speed and acceleration development - reporting from Stride Count.

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