70.3

IRONMAN 70.3 Vitoria-Gasteiz

Course breakdown and historical weather.

The half-distance Basque experience — hills, culture, and passion

Vitoria-Gasteiz, Spain · July 12, 2026

IRONMAN 70.3 Vitoria-Gasteiz offers the Basque Country racing experience at half distance. A reservoir swim, a rolling bike through the northern Spanish hills, and a run through the city. The same passionate Basque atmosphere as the full distance, compressed into a faster, punchier race.

IRONMAN 70.3 Vitoria-Gasteiz course overview
SwimBikeRun
Swim
1.9 km
Lake
Bike
90.1 km
↑491m · Rolling
Run
21.2 km
↑43m · Flat
Air Temp
9–27°C
Water Temp
17°C
Wind
10 km/h
E

Swim Course

Reservoir swim in the Basque countryside

The swim takes place in a reservoir near Vitoria-Gasteiz. Calm freshwater conditions with the Basque mountains as a backdrop. Water temperatures in mid-July are warm and comfortable.

  • Calm freshwater reservoir swim
  • Warm July water temperatures
  • Basque mountain backdrop
  • Straightforward navigation
Swim Course map for IRONMAN 70.3 Vitoria-Gasteiz
Bike Course map for IRONMAN 70.3 Vitoria-Gasteiz

Bike Course

Rolling Basque hills at half distance

The 90 km bike course tackles the rolling Basque countryside with moderate to significant climbing. The hilly terrain tests climbing ability and the descents require confidence. The scenery through the green Basque hills is outstanding.

  • Rolling to hilly Basque terrain
  • Moderate climbing on the 90 km course
  • Green, scenic Basque countryside
  • Descending skill needed on the return

Run Course

City run through Vitoria-Gasteiz

The half marathon runs through Vitoria-Gasteiz with the same passionate Basque support as the full distance. The flat city terrain provides fast running conditions after the hilly bike.

  • Flat city running
  • Passionate Basque crowd support
  • Parks and green spaces throughout
  • Fast potential on flat terrain
Run Course map for IRONMAN 70.3 Vitoria-Gasteiz

Race Day Conditions

Basque summer — warm and pleasant racing

Mid-July in the Basque Country offers warm, pleasant conditions. Air temperatures range from 16–28°C. Northern Spain's temperate climate avoids the extremes of the south, making for comfortable racing.

Temperature19°C9–27°C range
Wind10 km/hFrom the E
Humidity77%59–96% range
Cloud Cover68%37–88% range

Plan IRONMAN 70.3 Vitoria-Gasteiz with Keiro

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Independent analysis. KeiroLabs is not the event organizer and is not affiliated with the race organizer.