IRONMAN

IRONMAN Philippines Davao City

Sunday, 13 June 2027

IRONMAN Philippines Davao City is a hot, relatively flat-and-fast bike sandwiched around a 3.8 km swim in warm water, then a 42.2 km run where you’ll win by managing heat and steady fueling.

· 252 days to go
Air
25–30°
typical
Wind
3.5 SW
prevailing
Water
30.2°
typical — confirm
Bike climb
+404 m
Fueling — per hour
typical conditions
90 g
carbs
1000 mg
sodium
+250 mg vs typical
825 ml
fluid
+175 ml vs typical
  • 💧 Plan fluids toward 825 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 ~1000 mg/h.
  • 🍚 Keep carbs at 90 g/h — don't add more in the heat, and keep your drink mix dilute so fluid still empties fast.
  • ⏱️ Sodium preload: ~500–750 ml with ~1,000 mg sodium, 60–90 min before the start.
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Based on 10-year typical conditions (~30°). Baseline for a ~12 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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0 km91 km182 km26 m
181.6 km · +404 m climbing
T1 — swim to bike

Run through T1 (swim→bike) as a practiced routine: exit cleanly, transition efficiently, and be ready to mount without wasting time. Once you’re rolling in the first few minutes, don’t chase speed—settle into a smooth cadence and establish your planned power/effort feel. If there’s any wind sensitivity early, position with intent: don’t overreact to gusts—just get stable and aerodynamic.

During the bike

The bike is 181.6 km with 404 m of elevation gain and a flat/fast profile, so your job is to ride “hard steady,” not spiky. With hot air (24.8–29.8°C) and SW wind around 3.5 m/s, you’ll likely feel head/tail/side variations section to section—hold your effort consistently and let wind dictate speed rather than forcing power spikes. Start fueling early and lock to the race target: 90 g carbs/hour, 1000 mg sodium/hour, and about 800 ml fluid/hour. Take in drink with each aid stop so you’re never catching up; in heat, small delays snowball quickly. Because the course is fast, it’s easy to get carried away—stay disciplined on the flatter stretches and use the 404 m gain to maintain form and stability rather than “survive” or surge.

Closing notes

This is a flat/fast 181.6 km—win it by keeping power steady, staying aerodynamic through the wind, and hitting 90 g carbs/hour with regular fluids and sodium.

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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.