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IRONMAN 70.3 Westfriesland

Sun, 20 Jun 2027IRONMAN 70.3 Westfriesland, Hoorn

Overview

Experience IRONMAN 70.3 Westfriesland's flat, fast course through historic Dutch landscapes, ideal for all levels. Swim in Hoorn's old harbor, bike past windmills, and run through scenic city centers.
The Authentic Dutch Experience IRONMAN 70.3 Westfriesland takes place in the historic city of Hoorn, Netherlands. Known for its fast and flat course, this race is ideal for first-timers and athletes looking to achieve personal bests. Participants will enjoy a scenic backdrop of Dutch countryside, windmills, and picturesque towns throughout the race.

Race categories

113K

IRONMAN 70.3

Schedule

Friday, 19th June 2026

10 AM - 5 PM · Athlete Registration (70.3 & 5150) · Stadsstrand 10 AM - 5 PM · IRONMAN Expo & Official Merchandise Store · Stadsstrand

Saturday, 20th June 2026

9 AM - 4:30 PM · Athlete Registration (70.3 & 5150) · Stadsstrand 9 AM - 5 PM · IRONMAN Expo & Official Merchandise Store · Stadsstrand 10 AM - 5 PM · Transition Open for Bike & Bag Check-in (70.3 & 5150) · Julianapark

Sunday, 21st June 2026 – Race day

5:30 AM - 7 AM · 70.3 Transition Open · Julianapark 7 AM · 70.3 Swim Start · Oude Doelenkade 7 AM - 8:30 AM · 5150 Transition Open · Julianapark 9 AM · 5150 Swim Start · Oude Doelenkade 9:30 AM - 4:30 PM · IRONMAN Merchandise Store · Stadsstrand 1:30 PM - 5 PM · 5150 & 70.3 Transition Open for Bike & Bag Checkout · Julianapark 2 PM - 2:30 PM · 5150 Timing and Results Objections · Timing Tent (Post-Race Area) 3 PM - 4 PM · 5150 Awards Ceremony · Stadsstrand (Registration Tent) 4:30 PM - 5 PM · 70.3 Timing and Results Objections · Timing Tent (Post-Race Area) 5:30 PM - 7:30 PM · 70.3 Awards Ceremony & World Championship Slot Allocation · Stadsstrand (Registration Tent)
Route

Swim

Lake

Bike

Flat

Run

Flat

Typical race-day conditions

Air 14–21 °C · Water 17 °C

Swim course

The one-loop 1.9 km (1.2 mile) ROKA swim course is located in the old harbor of Hoorn surrounded by the beautiful scenery of this Dutch city. After completing the swim, you’ll use the short exit to continue towards the transition zone.

Bike course

The one-loop 90 km (56 mile) bike course leads you from the city center of Hoorn to surrounding countryside. Keep an eye out for the typical Dutch wind mills in between pittoresque small towns.

Run course

. Facilities and Services Toilets, changing area, private changing area, water supply, bike pumps ( limited), Penalty area, Marshalls, bike mechanic on race morning only, Lost chip service, Timing mats
Update history

  1. 3 Oct 2026

    Venue changed: Hoorn, Netherlands → IRONMAN 70.3 Westfriesland, Hoorn

  2. 3 Oct 2026

    Time changed: 20 June at 0:00 → 20 June at 4:00

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