• 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. Triathlon Articles
  4. >
  5. Ironman Training Guide
Ironman Training Guide

Featured

How to Improve Your Running Leg in a Triathlon: Run Faster on Race Day

ellow, green, polka-dot, white — every jersey at the Tour de France tells a different story about the race. This guide breaks down what each one me...

By Taren Gesell

Triathlon Distances Explained: From Super Sprint to Ironman

Not sure whether to start with a Super Sprint or work up to a full Ironman? This guide breaks down all five triathlon distances — exact swim, bike,...

By Stephen Gendreau

How to Recover After a Triathlon: Complete Post-Race Recovery Plan

Crossing the finish line is just the beginning. What you do in the hours and days after a triathlon determines how quickly you come back stronger —...

By Taren Gesell

The Best Fitness Gear for Beginners in 2026

You don't need a home gym to start a fitness routine — just a few well-chosen essentials. This guide breaks down 10 beginner-friendly pieces of equ...

By Kristina Duffy

Latest

The Only Three Running Workouts Triathletes Need To Do

You likely don't have time to run huge mileage each week, but you should make an effort to include these three workouts.

By Taren Gesell

Breakfast With Bob From the IRONMAN 70.3 World Championship: Andrew Starykowicz

Triathlon is a very special and unique sport, and there is no one more special and unique than Andrew Starykowicz.

By Bob Babbitt

Breakfast With Bob From the IRONMAN 70.3 World Championship: Emma Pallant

Watching the Olympic triathlon in London in 2012 led to Emma Pallant giving the sport a try.

By Bob Babbitt

9 Things All Triathletes Should Do Before Bed

Mornings are tough. Use these tips to promote healthy sleep patterns and make mornings easier and more efficient.

By Michael Nystrom

The Best Triathlon-Related Careers

If you want to pursue the triathlon lifestyle to its fullest extent, you'll need a career that is not only tri-friendly but also allows for optimal...

By Greg Kaplan

Our Favorite Triathlon Gear Right Now

Summer's here. Bring on the new swim-bike-run gear!

By Michael Nystrom

A Race Spotlight on IRONMAN Wisconsin

There's more to this great state than the Green Bay Packers, Harley-Davidson motorcycles and dairy farms.

By ACTIVE.com

The Best Fall & Winter 70.3 Triathlons

Just because the weather is growing cooler and the days are getting shorter doesn't mean you can't extend your triathlon season late into the year

By ACTIVE.com

  • 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
  • ©2026Active Network, LLC and/or its affiliates and licensors. All rights reserved.