70.3

IRONMAN 70.3 Sharm El-Sheikh, Egypt

Friday, 16 October 2026

IRONMAN 70.3 Sharm El-Sheikh is a 1.9 km freshwater swim followed by a 90 km bike and a 21.1 km run in hot conditions—your success hinges on pacing early and matching the race fueling plan with steady hydration.

· 58 days to go
Air
23–33°
typical
Wind
4.4 N
prevailing
Water
27.6°
typical — confirm
Bike climb
Fueling — per hour
typical conditions
80 g
carbs
-10 g vs typical
1250 mg
sodium
+500 mg vs typical
975 ml
fluid
+325 ml vs typical
  • 💧 Plan fluids toward 975 ml/h (cap near 1–1.2 L/h and let thirst be the ceiling). It typically runs hot through the afternoon.
  • 🧂 Lift sodium to ~1250 mg/h.
  • 🍚 Hold carbs at 80 g/h — heat slows carb absorption, so more isn't better.
  • ⏱️ Sodium preload: ~500–750 ml with ~1,000 mg sodium, 60–90 min before the start.
Based on 10-year typical conditions (~33°). Baseline for a ~5.5 h finish, 70 kg athlete. Scale to your own body mass and sweat rate.

Typical 10-year conditions, not a forecast. Water temperature and the wetsuit ruling are set on race morning — check the IRONMAN race guide →

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Course map coming soon for this race.
T1 — swim to bike

In transition (T1), prioritize a quick, organized flow: rack your bike smoothly, dry/secure anything you need, and get your helmet on before you start moving. Once your shoes are on, take 10–20 seconds to settle your cadence and posture before you really accelerate—this helps prevent the common “too hard too early” surge. If the course is busy at the mount line, be patient and avoid aggressive passing right away. Mentally set your first 10–15 minutes as “build and settle,” not “race now.”

During the bike

You’ll ride 90 km—long enough that your pacing and nutrition matter more than any single hill or stretch. With heat and a north wind around 4.4 m/s, expect wind to change how the bike feels from section to section: your speed may rise with tailwind and fall with headwind, but your power/effort consistency should be the priority. Stay aero when you can, smooth your steering inputs, and avoid sudden accelerations that spike heat and burn carbs faster. Fueling target on the bike is carbs 90 g per hour plus sodium 1000 mg per hour, and fluid about 800 ml per hour—use the aid stations as your schedule and start early enough that you’re not “catching up” later.

Closing notes

Keep the last portion controlled and set up the transition: shift for comfort, ride easy enough that your legs are not empty, and don’t sprint to the dismount unless you truly have the reserves. When you arrive at T2, get your breathing settled and transition smoothly so the run starts efficiently.

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Weather is a 10-year climatology (typical, not a forecast). Course tracks are approximate, derived for planning — verify against the official course. Maps © OpenStreetMap. Not affiliated with or endorsed by the IRONMAN Group.