Overview
Experience the ultimate endurance test at the IRONMAN World Championship in Kailua-Kona, Hawaii. Women and men will conquer a 2.4-mile ocean swim, a 112-mile bike ride through the challenging Queen Ka'ahumanu Highway, and a 26.2-mile marathon amidst heat, humidity, and crosswinds. This iconic race demands peak athleticism and resilience
The World's Most Iconic Stage Prepare to race on the world’s most revered triathlon course, where the raw beauty of the Big Island meets a relentless test of endurance. The IRONMAN World Championship in Kona will push your mental and physical limits as you traverse its iconic landscapes - from sun-scorched lava fields to the windswept coast. Begin your race with a swim in the clear, calm waters of Kailua Bay, followed by a ride along the notorious Queen Kaʻahumanu Highway, where dramatic volcanic scenery and ocean views shape the course. Finish with a marathon through Kona’s rugged terrain, with the island’s elements pushing you to dig deeper than ever before. This legendary course will challenge you in ways only Kona can. Explore the course details below and picture yourself rising to the challenge in this unforgettable journey through triathlon’s ultimate proving ground.
Race categories
226K
IRONMAN
- Schedule
Friday, October 2, 2026
6:30 AM - 10:00 AM · IRONInfo Booth · Kailua PierSaturday, October 3, 2026
6:00 AM - 7:00 AM · Kona Town Fun Run Athlete Check-In · Hale Hālāwai, Ali`i Drive 6:30 AM - 10:00 AM · IRONInfo Booth · Kailua Pier 7:30 AM · Kona Town Fun Run · Hale Hālāwai, Ali`i Drive 8:00 AM - 4:00 PM · Official IRONMAN® Store - Store 2 · In front of KBR 9:00 AM - 5:00 PM · Official IRONMAN® Store - Main Store · KBR Parking Lot 2:00 PM - 4:00 PM · Ho`āla Training Swim Packet Pick Up · KBR Conference Room 6Sunday, October 4, 2026
5:30 AM - 6:45 AM · Ho`āla (Rise to the Occasion) Training Swim Packet Pick-Up * Onsite registration is not available · KBR Honu’s Lawn 6:30 AM - 11:00 AM · IRONInfo Booth · Kailua Pier 7:00am · Ho`āla IRONMAN® Training Swim - 2.4 miles · Kamakahonu Beach 8:00 AM - 4:00 PM · Official IRONMAN® Store - Store 2 · In front of KBR 9:00 AM - 5:00 PM · Official IRONMAN® Store - Main Store · KBR Parking LotMonday, October 5, 2026
6:00 AM - 9:00 AM · Precision Fuel and Hydration Practice Swim Bag Drop · Kailua Pier 6:30 AM - 10:00 AM · IRONInfo Booth · Kailua Pier 7:00 AM - 10:00 AM · AG1 Live Aloha Coffee Boat (get your free AG1) · Kailua Bay 7:00 AM - 12:00 PM · Active Release Technique (ART) · KBR Honu's Lawn 8:00 AM - 4:00 PM · Official IRONMAN® Store - Store 2 · In front of KBR 9:00 AM - 4:00 PM · Volunteer Check-In · KBR Mākeke Room 9:00 AM - 4:00 PM · IRONMAN Information Center/ Lost and Found/ `Ohana · KBR Conference Room 6 9:00 AM - 5:00 PM · Official IRONMAN® Store - Main Store · KBR Parking Lot 6:00 PM - 8:00 PM · Heroes of Hawai`i (Hawaiian Cultural Legacy) · KBR Lū’au GroundsTuesday, October 6, 2026
6:00 AM - 9:00 AM · Precision Fuel and Hydration Practice Swim Bag Drop · Kailua Pier 6:30 AM - 11:00 AM · IRONInfo Booth · Kailua Pier 7:00 AM - 10:00 AM · AG1 Live Aloha Coffee Boat (get your free AG1) · Kailua Bay 7:00 AM - 12:00 PM · Active Release Technique (ART) · KBR Honu's Lawn 8:00 AM - 4:00 PM · Official IRONMAN® Store - Store 2 · In front of KBR 9:00 AM - 3:00 PM · IRONKIDS® Keiki Dip-n-Dash Registration · KBR Canoe Landing 9:00 AM - 4:00 PM · Athlete Check-In · KBR Ballrooms 2, 3, 4 9:00 AM - 4:00 PM · Accreditation Office · KBR Conference Room 5 9:00 AM - 4:00 PM · VIP Guest Services · KBR Ballroom 1 9:00 AM - 4:00 PM · Media Center · KBR Paddlers 9:00 AM - 4:00 PM · Volunteer Check-In · KBR Mākeke Room 9:00 AM - 4:00 PM · IRONMAN Information Center/ Lost and Found/ `Ohana · KBR Conference Room 6 9:00 AM - 5:00 PM · Official IRONMAN® Store - Main Store · KBR Parking Lot 12:00 PM - 7:00 PM · IRONMAN Village · Hale Hālāwai, Ali`i Drive 12:00 PM - 7:00 PM · PlayTri Triathlon & Bike Tech Service Center · Hale Hālāwai, Ali`i Drive 12:00 PM - 7:00 PM · Under Pants Run (UPR) presented by The IRONMAN Foundation Registration and Packet Pick-Up · Hale Hālāwai, Ali`i Drive 4:00 PM · IRONKIDS® Keiki Dip-n-Dash · Ka’ahumanu Place 5:00 PM · Parade of Nations (athletes gather at 4:00 PM) · Kailua Bay (KBR) to Hale Hālāwai via Ali`i DriveWednesday, October 7, 2026
6:00 AM - 9:00 AM · Precision Fuel and Hydration Practice Swim Bag Drop · Kailua Pier 6:30 AM - 11:00 AM · IRONInfo Booth · Kailua Pier 7:00 AM - 10:00 AM · AG1 Live Aloha Coffee Boat (get your free AG1) · Kailua Bay 7:00 AM - 12:00 PM · Active Release Technique (ART) · KBR Honu's Lawn 8:00 AM - 9:00 AM · Insider Swim Course Tips - Chuck Glynn + Craig Alexander · Info Booth on the Pier 8:00 AM - 4:00 PM · Official IRONMAN® Store - Store 2 · In front of KBR 9:00 AM - 4:00 PM · Athlete Check-In · KBR Ballrooms 2, 3, 4 9:00 AM - 4:00 PM · Accreditation Office · KBR Conference Room 5 9:00 AM - 4:00 PM · VIP Guest Services · KBR Ballroom 1 9:00 AM - 4:00 PM · Media Center · KBR Paddlers 9:00 AM - 4:00 PM · Volunteer Check-In · KBR Mākeke Room 9:00 AM - 4:00 PM · IRONMAN Information Center/ Lost and Found/ `Ohana · KBR Conference Room 6 9:00 AM - 5:00 PM · Official IRONMAN® Store - Main Store · KBR Parking Lot 9:00 AM · Race Briefing - German · KBR Lū’au Grounds 10:00 AM · Race Briefing - French · KBR Lū’au Grounds 10:00 AM - 10:30 AM · Insider Tips: Bike/ Run Course · IRONMAN Village Stage/Hale Hālāwai 10:00 AM - 4:00 PM · IRONMAN Village · Hale Hālāwai, Ali`i Drive 10:00 AM - 4:00 PM · PlayTri Triathlon & Bike Tech Service Center · Hale Hālāwai, Ali`i Drive 10:00 AM - 4:00 PM · Under Pants Run (UPR) presented by The IRONMAN Foundation Registration and Packet Pick-Up · Hale Hālāwai, Ali`i Drive 11:00 AM · Race Briefing - Spanish · KBR Lū’au Grounds 12:00 PM · Race Briefing - Portuguese · KBR Lū’au Grounds 1:00 PM · Race Briefing - Japanese · KBR Lū’au GroundsThursday, October 8, 2026
6:00 AM - 9:00 AM · Precision Fuel and Hydration Practice Swim Bag Drop · Kailua Pier 6:15 AM - 7:15 AM · Under Pants Run (UPR) presented by The IRONMAN Foundation Registration and Packet Pick-Up · KBR Back Parking Lot 7:00 AM - 10:00 AM · AG1 Live Aloha Coffee Boat (get your free AG1) · Kailua Bay 7:00 AM - 12:00 PM · Active Release Technique (ART) · KBR Honu's Lawn 7:00 AM - 4:00 PM · Official IRONMAN® Store - Store 2 · In front of KBR 7:15 AM · Under Pants Run (UPR) presented by The IRONMAN Foundation · KBR Back Parking Lot 9:00 AM - 2:00 PM · Athlete Check-In · KBR Ballrooms 2, 3, 4 9:00 AM - 4:00 PM · Accreditation Office · KBR Conference Room 5 9:00 AM - 4:00 PM · VIP Guest Services · KBR Ballroom 1 9:00 AM - 4:00 PM · Media Center · KBR Paddlers 9:00 AM - 4:00 PM · Volunteer Check-In · KBR Mākeke Room 9:00 AM - 4:00 PM…- Route
Swim
Ocean
Bike
Rolling
Run
Rolling
Typical race-day conditions
Air 24–30 °C · Water 26 °CSwim course
Experience the electrifying energy of the ROKA swim start as you dive into the crystal-clear waters of Kailua Bay for an unforgettable 2.4-mile (3.8km) swim. With the majestic sunrise over Mt. Hualālai as the backdrop, athletes will start in the water, and swim out-and-back in a clockwise direction encountering small swells and enjoying warm swim conditions. The swim begins and ends with a surge of excitement fueled by the crowds of media and spectators as you kick off your IRONMAN World Championship journey.Bike course
Embark on a cycling adventure along the renowned 112-mile (180.2km) ZOOT bike route, traveling from Kailua-Kona to the Hawi turnaround and back on the iconic Queen Ka`ahumanu Highway. Steady yourself for the challenging elevation gain on the climb to Hawi and find peace in the captivating views of lava fields, coastlines, and ocean. Be prepared for the exposed terrain and strong crosswinds that add a thrilling dimension to this iconic course.Run course
Embark on the final leg, the HOKA run course, with an out-and-back past the spirited crowds on Ali`i Drive. The 26.2-mile (42.2km) run then takes you up Palani Road to the Queen Ka`ahumanu Highway, leading to the iconic HOST Park at the Natural Energy Laboratory Hawai`i Authority (NELHA). You’ll navigate a rolling course with intermittent steep stretches, followed by a triumphant return along the highway, and your grand finale includes a victorious lap through Kona town, culminating in the exhilaration of the IRONMAN World Championship finish line.
Update history
10 Oct 2026
Status: registration open → race today
3 Oct 2026
Registration opened: — → https://www.ironman.com/races/im-world-championship-kona
3 Oct 2026
Venue changed: Kona, HI, United States → IRONMAN World Championship, Kona
3 Oct 2026
Time changed: 10 October at 0:00 → 10 October at 4:00
IRONMAN World Championship
Sat, 10 Oct 2026