70.3

IRONMAN 70.3 Victoria

Sunday, 30 May 2027

IRONMAN 70.3 Victoria is a rolling 90.8 km bike followed by a flat, fast 21.9 km run—so your best race is built by managing bike effort and fueling consistently from the start line.

· 238 days to go
Air
11–19°
typical
Wind
5.4 SW
prevailing
Water
12.7°
typical — confirm
Bike climb
+722 m
Fueling — per hour
typical conditions
90 g
carbs
700 mg
sodium
-50 mg vs typical
600 ml
fluid
-50 ml vs typical
  • 👍 Conditions are kind — the 600 ml/h fluid, 700 mg/h sodium and 90 g/h carbs baseline should hold. Fine-tune to your own thirst and sweat rate.
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Based on 10-year typical conditions (~19°). 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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0 km45 km91 km155 m
90.8 km · +722 m climbing
T1 — swim to bike

Plan your T1 as a flow: rack-to-bikes first, then glasses/helmet/shoes in order so you don’t delay. Once you mount, take the first few minutes to settle your breathing and cadence—don’t chase power immediately as rolling terrain can tempt you to spike. Aim to reach your first steady “cruise” effort before the course asks for it; if you’re near others, draft only when it’s allowed/appropriate in your race context and keep your line predictable. Mentally, tell yourself the run is flat/fast—so the bike has to feel controlled, not heroic.

During the bike

This course covers 90.8 km with 722 m of elevation gain and a rolling profile, so you’ll feel frequent changes in power demand even if the bike isn’t a steep climb. With wind around 5.4 m/s from the SW, anticipate headwind/crosswind sections: keep your effort steady into wind and use the rolling moments behind a crest to recover without fully backing off. Fuel and drink using your race targets—aim for about 90 g carbs and 600 mg sodium per hour with roughly 500 ml fluid per hour, starting early enough that you’re not “catching up” later. Because the run is flat/fast, you want to arrive off the bike with good legs: avoid big surges on climbs and keep your tempo consistent across rollers.

Closing notes

Ride the rollers like a long-building effort: steady power into wind/ups, smooth cadence over crests, and hit your 90 g carbs/600 mg sodium/500 ml per hour target.

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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.