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
Sports 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)
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

Triathlon Training

Discover the Suunto Run watch, featuring fitness tracking, guided workouts, and a vibrant AMOLED display. Perfect for runners, despite a minor charging flaw.

By Stephen Gendreau

Explore by Category

Latest

Breakfast With Bob From the IRONMAN World Championship: Jan Frodeno

Jan Frodeno won back-to-back IRONMAN World Championship titles, and the 2008...

ByBob Babbitt

over 5 years ago

Breakfast With Bob From the IRONMAN World Championship: Mirinda Carfrae

Mirinda Carfrae is a three-time IRONMAN World Champion and finished fifth last year.

ByBob Babbitt

over 5 years ago

Breakfast With Bob From the IRONMAN World Championship: Dave Scott and Mark Allen

Dave Scott and Mark Allen are celebrating the 30th Anniversary of the greatest...

ByBob Babbitt

over 5 years ago

Breakfast With Bob From the IRONMAN World Championship: Lucy Charles-Barclay

Lucy Charles-Barclay, the best swimmer in the women's field, loves to lead the...

ByBob Babbitt

over 5 years ago

Breakfast With Bob From the IRONMAN World Championship: Sarah True

Sarah True took fourth in Kona last year in her first time racing on the Big Island.

ByBob Babbitt

over 5 years ago

Breakfast With Bob From the IRONMAN World Championship: Lionel Sanders

Watching Lionel Sanders limp his way to a 2:51 marathon in Kona in 2017 while...

ByBob Babbitt

over 5 years ago

The Best Social Media Posts From the 2019 Kona IRONMAN World Championship

If you thought all the action in Kailua-Kona was hot, wait ‘till you see what was...

ByMichael Nystrom

over 5 years ago

21 Fun Facts You Didn't Know About the IRONMAN World Championship

With the IRONMAN World Championship right around the corner, we’ve gathered 21 fun...

ByMichael Nystrom

over 5 years ago

We've Got Your Back

ACTIVE is here to help you develop the best fitness routine to accomplish your goals. We are your source of truth for product reviews, training guides, and nutrition tips that are science and research-backed, unbiased, uncompromised, and unapologetic.

Any product review featured on ACTIVE.com is:

Written by subject experts

Reviewed by advisors

Fact-checked by professionals

Tested by our community

Popular triathlon Events

Jul 12, 2025

Featured

Latest

Popular triathlon Events

TRI for Real Triathlon #2

Hong Kong Dragons Triathlon Club 2025 Membership

2025 XTERRA Conquer the Crater Triathlon/Duathlon

GPH - Kids Tri Clinic Training for ages 5-15: June 21

2025 TRI Peachtree City Triathlon

Challenge Salou 2026

TRI for Kids Triathlon #2

2025 XTERRA Ruidoso