IRONMAN 70.3 Hawai'i
Race the legendary Kona coast — lava fields, Pacific swells, and a finish line that earns its lei.
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Where it is
Kailua-Kona, United States
Is this your race?
This is a bucket-list race set in one of the most iconic triathlon landscapes on earth — but it asks a lot of first-timers. The warm Pacific swim is beautiful, yet open-ocean swells and current are real; the bike is a rolling, wind-blasted journey through lava fields with a genuine climb toward Hawi; and the run finishes under a blazing Hawaiian sun. Come here when you have a solid season of racing behind you and you know how your body handles heat. Beginner fit 2/5: Half-Ironman baseline 3, −1 for open-ocean swim with chop and swell where wetsuits are unlikely to be permitted, −1 for typical race-day highs above 28 °C; no verified relay, first-timer wave, or companion race to add back.
✅ You’ll love it if…
- You have already completed at least one Olympic-distance triathlon and want a legendary step up
- You train well in heat and humidity and have practiced open-water swimming in non-pool conditions
- The idea of racing on the same island as the IRONMAN World Championship genuinely fires you up
- You can commit to a structured 20–24 week build that includes heat-acclimatisation sessions
⏳ Build up first if…
- You have never raced in open ocean — spend several months in open-water swims before signing up
- Your longest bike ride to date is under 60 km — build base and add hill work before registering
- You are not yet comfortable riding and running in temperatures above 25 °C — practise heat training first
- You have not yet finished a sprint or Olympic triathlon — tick one of those boxes first
Not yet? That’s normal. Start here → take the 2-minute Readiness Assessment.
The course, demystified
The race starts at Pauoa Bay on the Fairmont Orchid grounds, rolls north along the Kohala Coast, and finishes back at the resort. Every leg is visually stunning and physically demanding — plan for wind, heat, and exposure from gun to tape.
Nada y disfruta (swim and enjoy) — the start is in the clear Pacific waters of Pauoa Bay, right on the Fairmont Orchid grounds. The water is typically around 24 °C, warm enough to feel welcoming, but this is the open ocean, not a lake. Expect the possibility of swell, current, and wind chop, especially in the outer sections of the bay. Wetsuits are unlikely to be permitted at this water temperature, so your buoyancy comes entirely from your own technique. Sight frequently, stay calm if conditions pick up, and treat every breath as a reset.
The bike heads out along the Queen Kaʻahumanu Highway and the Kohala Coast — a route that looks deceptively open and flat on a map but is anything but easy. Expect a rolling profile with a sustained climb toward Hawi, reportedly around 800–850 m of total elevation gain across the course (unconfirmed for 2027 — check the official route details closer to race day), and terrain that cuts through exposed lava fields with almost no shade. The trade winds that make Kona famous can blow hard and sideways, turning a manageable effort into a battle. Pace conservatively on the climb, keep your nutrition topped up, and never let the scenery distract you from your effort numbers. Note: the final 2027 route has not yet been confirmed — check the official IRONMAN page closer to race day.
The run is a two-loop course around the Mauna Lani Golf Course and Ho'ohana Road, weaving through coastal sections and more lava-field terrain with short rolling hills throughout. By the time you reach the run, the sun is typically high and the temperature is at its peak — expect race-day highs anywhere from 24 to 30 °C. The second loop is where the race is truly won or lost: the combination of accumulated fatigue, heat, humidity, and those repeated short hills can make it feel much longer than 21 km. Walk the aid stations, pour water over your head, and keep moving forward.
The real cost of this race
Hawai'i is a premium destination and this race reflects that — budget carefully and book early. All figures below are planning estimates only; verify current prices before committing.
| What | Layer | Estimate |
|---|---|---|
| Race entry fee | Direct | Check the official IRONMAN page — entry fees for 70.3 events typically range from roughly $350–$500 USD; no verified 2027 figure available |
| Return flights (international, rough estimate) | Direct | Roughly $600–$1,800+ depending on origin, season, and booking lead time |
| Accommodation (5–7 nights, Kohala Coast or Kona) | Direct | Typically $150–$400+ per night; resort-area lodging near the venue runs higher — book early |
| Rental car or transfers | Direct | Roughly $50–$100/day for a rental car; a car is strongly recommended for the Kohala Coast |
| Bike transport or rental | Direct | Bike bag fees and airline charges typically $75–$150 each way; local rental options exist but verify availability |
| Meals and daily expenses (5–7 days) | Indirect | Roughly $60–$120/day per person in Hawai'i |
| Gear, race nutrition, and kit top-ups | Indirect | Highly variable; budget at least $100–$300 if you need heat-specific kit or nutrition |
| Training time and coaching (6-month build) | Opportunity | Roughly $0 (self-coached) to $150+/month with a coach; factor in pool and gym fees |
| Rough all-in planning range (solo traveller) | — | Roughly $2,500–$5,500+ USD depending on origin, accommodation choice, and gear needs — treat this as a planning guide, not a quote |
Getting there & where to stay
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How to fly in
Fly into Kona International Airport (KOA) on the Big Island of Hawai'i — this is the closest airport to the race venue. Note that most international and mainland US connections route through Honolulu (HNL) or another hub, so build in connection time. From KOA, the Fairmont Orchid and Kohala Coast race area is roughly a 30–40 minute drive north; a rental car is strongly recommended as public transport options in this area are limited. Exact 2027 transport and shuttle details have not yet been confirmed — check the official IRONMAN race guide as the event approaches.
Hotels near the start
Where to stay — by what matters to you
Closest to the race venue
Staying on the Kohala Coast puts you within minutes of the Fairmont Orchid, the reported swim start and finish area. Resort-style accommodation dominates here, which means higher nightly rates — but you will save time, stress, and fuel on race morning. Book as early as possible; rooms near the venue sell out quickly for race weekend.
🏨 See stays · affiliateLarger town base, more options
Kailua-Kona is a larger, more affordable base with a wider range of hotels, vacation rentals, restaurants, and services. It is farther from the Kohala Coast start and finish — roughly 30–40 minutes by car — so factor in early-morning travel on race day. A good choice if you want more flexibility and a lower nightly rate.
🏨 See stays · affiliateGetting around & the rest of the trip
Flights to KOA from the US mainland and internationally fill up fast around race weekend. Aim to book 6–9 months out for the best fares and seat selection.
Kohala Coast resort rooms near the venue are limited and go quickly. If you want to stay close to the start/finish, book the moment your entry is confirmed.
Decide early whether you will fly your own bike (budget for airline fees and a good bike bag) or rent locally. Local rental availability for race weekend is not yet verified for 2027 — confirm with local shops well in advance.
Jet lag, heat acclimatisation, and altitude adjustment (minimal here, but the heat is real) all benefit from extra days. Arriving Thursday for a Saturday race gives you time to register, rack your bike, and rest.
🧳 Flying with a bike? Our Race-Day Travel Gear collection covers the carry-on kit you’ll want.
Your countdown: train and book
One timeline that fuses fitness milestones with the trip deadlines first-timers miss. Coral dots = book-it deadlines.
Your race-morning Run-of-Show
Pros never improvise race morning — they run a script. Here’s yours.
If-Then: your calm-in-chaos grid
A plan for the moments that scare you. Read it twice the night before.
Bringing a support crew?
The swim start and finish line are both at the Fairmont Orchid grounds at Pauoa Bay, making those the easiest and most rewarding places to cheer. The open-road bike course through the lava fields is harder to access for spectators, and official 2027 spectator shuttle and viewing details have not yet been confirmed — check the IRONMAN race guide closer to the event.
- Pauoa Bay, Fairmont Orchid — watch the swim start and cheer athletes into T1; arrive early for a good spot
- Finish line, Fairmont Orchid grounds — the most emotional spot on the course; athletes will remember seeing you here
- Transition area (T1 and T2) — if spectator access is permitted in 2027, this is a great place to see athletes twice in a short window
- Run course near Mauna Lani Golf Course — check the 2027 course map for spectator-friendly viewing points on the two-loop run
- Tip: bring sunscreen, a hat, and plenty of water — you will be standing in the Hawaiian sun for several hours
Make them official → Support-Crew guide.
Tips from athletes who raced it
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IRONMAN 70.3 Hawai'i
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