Full Distance
140.6 MILES OF SWIM, BIKE, RUN
2026
Challenge Almere
Almere, Netherlands
Challenge Anhui
Hefei, China
2026
Challenge Daytona
Daytona Beach, United States
2027
Challenge Roth
Roth, Germany
2026
Ironman Argentina
Mar del Plata, Argentina
2027
Ironman Austria
Klagenfurt, Austria
Biggest Races
MASSIVE FIELDS, ELECTRIC ATMOSPHERE
World Triathlon Championship Finals
Pontevedra, Spain
SEP · Olympic · 27°C
Noosa Triathlon
Noosa, Australia
NOV · Olympic · 27°C
ITU Hamburg
Hamburg, Germany
APR · Olympic · 20°C
Blenheim Palace Triathlon
Woodstock, United Kingdom
JUN · Olympic · 18°C
Chicago Triathlon
Chicago, United States
AUG · Olympic · 25°C
London T100 – Olympic Docklands Triathlon
London, United Kingdom
JUL · Olympic · 20°C
London T100 – Olympic Westminster Triathlon
London, United Kingdom
JUL · Olympic · 13°C
Pho3nix Gold Coast Triathlon
Gold Coast, Australia
APR · Sprint · 24°C
🌡️
WHERE THE HEAT IS PART OF THE CHALLENGE
Bangkok Triathlon Sprint
Sprint · Bangkok
Ironman 70.3 Philippines
70.3 · Cebu
Ironman Malaysia
140.6 · Langkawi
Singapore Triathlon
Olympic · Singapore
Ironman 70.3 Vietnam
70.3 · Da Nang
Ironman Cozumel
140.6 · Cozumel
Ironman World Championship Kona
140.6 · Kailua-Kona
Big Apple Triathlon (Olympic)
Olympic · New York
🌊 Ocean Swim
SALT WATER, SURF ENTRIES, AND OPEN WATER AT ITS MOST DRAMATIC
2XU Triathlon Series (Olympic)
Olympic · Melbourne
Wetsuit: allowed
Ashley Whitney Music City Triathlon (Sprint)
Sprint · Nashville
Wetsuit: allowed
Astana Triathlon 70.3
70.3 · Astana
Wetsuit: conditional
Astana Triathlon Olympic
Olympic · Astana
Wetsuit: conditional
Auckland Triathlon
Olympic · Auckland
Wetsuit: allowed
Bali Sprint Triathlon
Sprint · Sanur
Wetsuit: conditional
Barcelona Triathlon Olympic
Olympic · Barcelona
Wetsuit: allowed
Barcelona Triathlon Sprint
Sprint · Barcelona
Wetsuit: allowed
Historic Triathlons
THE RACES THAT BUILT THE SPORT
Ironman World Championship Kona
140.6 · Kailua-Kona
Ashley Whitney Music City Triathlon (Sprint)
Sprint · Nashville
Coral Coast Triathlon
Olympic · Cairns
Escape from Alcatraz Triathlon
Olympic · San Francisco
Sokin Escape From Alcatraz Triathlon
Olympic · San Francisco
Chattanooga Triathlon Olympic
Olympic · Chattanooga
Darwin Triathlon Olympic
Olympic · Darwin
Challenge Almere
140.6 · Almere
📖 Guides
TRAIN SMARTER, RACE FASTER
Your First Triathlon
Everything you need to know — from choosing a distance to crossing the finish line.
TrainingIronman 20-Week Plan
Periodized swim/bike/run schedule with brick workouts and taper strategy.
NutritionRace-Day Fuelling
What to eat before, during, and after — across all three disciplines.
SwimOpen Water Swimming
Sighting, drafting, mass starts, and how to train when you only have a pool.
GearWetsuit Guide
Temperature rules, how to choose, fit tips, and race-day removal technique.
AdvancedKona Qualification
How to earn your Ironman World Championship slot — times, strategy, and rolldown.
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