October 25, 2026 · Austin, Texas, USA
70.3 mi (113 km)Triathlon70.3 / Half
Ironman 70.3 Austin
Hill Country. Texas Heat.
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Hill Country. Texas Heat.Course intelligence
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Terrain
Lake Travis swim. Rolling Hill Country bike through Lakeway with 3,500 ft of climbing. Hilly run through the Texas Wine Trail area.
Conditions
Late October in Austin: 65–82°F, low humidity. Can be warmer than expected — Austin stays hot late into fall.
Aid Stations
Four bike aid stations; run aid every mile.
Key Challenge
The Hill Country bike and hilly run together create more total climbing than most 70.3s. Athletes underestimate the cumulative fatigue and under-fuel on the run.
Nutrition answers for Ironman 70.3 Austin.
What carb targets for Austin 70.3?
How hot is Austin in late October?
Is Lake Travis a good swim?
Any tips for the Hill Country bike?
How should I approach the Austin run?
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