• Events

    Running

    RunningCouch to 5K5K10KHalf MarathonMarathonSee All

    Outdoor

    OutdoorCampingHikingSee All

    Triathlon

    TriathlonSprintOlympic/InternationalIRONMAN 70.3IRONMANSee All

    Cycling

    CyclingRoad CyclingCentury RidesMountain BikingSee All

    Sports

    BaseballBasketballFootballGolfMartial ArtsSoccerSoftballSwimmingTennisVolleyballWinter SportsYoga

    hidden

    active kidsactive kidsSports CampsBrowse All EventsRace Results
  • Calculators

    Calculators

    Running PaceBody Fat PercentageBody Mass Index (BMI)Ideal WeightHeart Rate
    Caloric NeedsNutritional NeedsBasal Metabolic Rate (BMR)Kids' Body Mass Index (BMI)
  • Challenges
  • Running

    Running Events

    RunningCouch to 5K5K10KHalf MarathonMarathonSee All

    Running Articles

    RunningDistance RunningTrail RunningMud RunningTraining PlansProduct Reviews
  • Triathlon

    Triathlon Events

    TriathlonSuper SprintSprintOlympic/InternationalIRONMAN 70.3IRONMANSee All

    Cycling Events

    CyclingRoad CyclingCentury RidesMountain BikingSee All

    Triathlon Articles

    TriathlonDuathlonTraining PlansProduct Reviews

    Cycling Articles

    CyclingMountain BikingCyclo-CrossBMXTraining PlansProduct Reviews
  • Fitness

    Fitness Events

    FitnessWalkingYogaStrength TrainingPilatesWeight LiftingSee All

    Fitness Articles

    FitnessWorkoutsWalkingYogaWeight LossTraining PlansProduct Reviews
  • Sports

    Sports Events

    BaseballBasketballFootballGolfMartial ArtsSoccerSoftballSwimmingTennisVolleyballWinter Sports

    Outdoor Events

    OutdoorCampingHikingBook CampgroundSee All

    Sports Articles

    SportsSwimmingBasketballTennisBaseballSoccerSoftballVolleyballFootballLacrosseGolf

    hidden

    Water SportsIce HockeyGymnasticsMartial ArtsSkiCampingHikingTravelSailingDanceSnowshoeing
  • Nutrition

    Nutrition Articles

    NutritionMeal PrepRecipesSnacksSupplementsProduct Reviews

    Health & Injury Articles

    Health & InjuryPhysical HealthMental HealthPainInjury PreventionRecoverySleepProduct Reviews
  • Kids & Family

    Kids

    Infants (0-1)Toddlers (2-4)Big Kids (5-8)Tweens (9-12)Teens (13-18)

    Events

    SwimmingBasketballBaseballSoccerTennisVolleyballFootballMartial ArtsChildcare

    hidden

    YogaCheerleadingGymnasticsDanceMusicArts & CraftsKids FitnessSee All

    hidden

    active kidsactive kids
  1. Home
  2. >
  3. Running Articles
  4. >
  5. Marathon
Marathon Training

Featured

Garmin Forerunner 70 and 170 Bring More Running Features for Less

Garmin’s new Forerunner 70 and 170 offer AMOLED displays, smart training tools, and health tracking starting May 15, 2026.

By Stephen Gendreau

Dehydration: What to Watch For and How to Respond

Summer temps pave the way for all our favorite outdoor activities - but they can also raise the risk of dehydration. Knowing what to watch for can ...

By Sarah Harris

The Best Running Apps for Tracking Progress 

If you’re ready to move beyond a paper log and have access to a smartphone or GPS watch, there are many apps available to track your training.

By Megan Harrington

The Big Benefits of Trail Running

Here are four reasons to take up trail running this season and three precautions to take if you do.

By Rashelle Brown

Latest

The Coolest Things in Running: April 22

A heartwarming gesture you may have missed at the Boston Marathon and 26.2 miles logged in outer space—here are this week's coolest things.

By Jackie Veling

2016 Late Season Marathons in the Midwest

Get your heart beating in America's Heartland at one of our favorite marathons in the Midwest.

By Erica Schuckies

5 Marathons to Not Get a PR

Each time you register for a new race is a new opportunity for a PR. Here a five races we recommend slowing down for and enjoying the experience.

By Megan Harrington

Are VIP Race Packages Worth It?

These cushy race day packages might include luxurious perks, but are they worth the added registration fee?

By Theresa Juva-Brown

The 2016 Boston Marathon: Highlights and Happenings

Did you miss the live coverage of the Boston Marathon? Don't worry, here's everything you need to know.

By Jackie Veling

The Half Marathoner's Race Day Bag

The night before a half marathon can be stressful. Take away some of the worry with this race day packing list.

By Erica Schuckies

The Coolest Things in Running: April 15

What caught our eye this week in the running world? A 9-year-old ultrarunner and 3D printed running shoes.

By Erica Schuckies

The Coolest Things in Running: April 8

Under Armour releases data based on 165 million app users, and a Marine amputee sets out to run the Boston Marathon—here are this week's coolest th...

By Jackie Veling

  • ACTIVE Logo
  • ACTIVE is the leader in online event registrations from 5k running races and marathons to softball leagues and local events. ACTIVE also makes it easy to learn and prepare for all the things you love to do with expert resources, training plans and fitness calculators.

Follow ACTIVE
  • Facebook
  • Twitter
  • Pinterest
  • Instagram
Mobile Apps
  • ACTIVE.com App
  • Couch to 5K®
  • 5K to 10K
  • Meet Mobile
  • View All Mobile Apps
Things To Do
  • Running Races
  • Triathlon Races
  • Cycling
  • Mountain Biking
  • 5K Races
  • 10K Races
  • More Things to Do
  • Half Marathon
  • Marathon
  • Ultra Running
  • Trail Running
  • Mud Runs
  • Swimming
Popular on ACTIVE.com
  • San Diego
  • Los Angeles
  • New York City
  • Denver
  • Houston
  • Las Vegas
  • BMI Calculator
  • Calorie Calculator
  • 5K Training
  • Couch to 5K®
  • Half Marathon Training
  • Marathon Training
  • Organizer Technology Solutions
  • Earn Money
  • Account Access
  • Subscribe to Our Newsletter
  • Do Not Sell My Personal Information
  • About ACTIVE.com
  • Sitemap
  • Terms of Use
  • Copyright Policy
  • Privacy Notice
  • Privacy Settings
  • Careers
  • Support & Feedback
  • ACTIVE Access
  • Advertise With Us
  • Registration Software
  • Social Media Guidelines
  • Community Policies
  • Cookies Settings
  • ©2025Active Network, LLC and/or its affiliates and licensors. All rights reserved.