IRONMAN 70.3 Westfriesland
About the race
Experience IRONMAN 70.3 Westfriesland's flat, fast course through historic Dutch landscapes, ideal for all levels. Located in the historic city of Hoorn, Netherlands, this race offers a scenic backdrop of countryside, windmills, and picturesque towns, making it ideal for first-timers and athletes looking to achieve personal bests.
The race begins with a 1.9 km (1.2 mile) swim in Hoorn's old harbor, followed by a single-loop 90 km (56 mile) bike course through surrounding towns, and concludes with a 21.1 km (13.1 mile) run through the historic city center, finishing at the Stadsstrand.
Transition 1
Transition 1 is located on the football pitch in Hollandia Park, a 200m carpeted run from the swim exit. Facilities include toilets, changing area, private changing area, water supply, limited bike pumps, penalty area, marshalls, race morning bike mechanics, lost chip service, and timing mats.
Transition 2
Upon finishing the bike leg, athletes dismount when instructed, rack their bike, retrieve their RED BAG containing running gear, and proceed onto the run course.
What your entry includes
The course
The race features a 1.9 km (1.2 mile) single-loop swim in Hoorn's historic harbor. The 90 km (56 mile) single-loop bike course takes athletes through the flat Dutch countryside past windmills and small towns. The 21.1 km (13.1 mile) run course is flat, weaving past monumental buildings and docks in the historic city center, ending at the Stadsstrand.
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 scenery of this historic Dutch city. After completing the swim, athletes take a short exit toward the transition zone.
Bike Course
The one-loop 90 km (56 mile) ZOOT bike course leads from Hoorn's city center into the surrounding countryside, passing historic Dutch windmills and picturesque towns.
Run Course
The 21.1 km (13.1 mile) HOKA run course passes monumental buildings and docks through Hoorn's historic city center, concluding at the Stadsstrand near the city center.
Race weekend schedule
Location
City insight: Hoorn
Hoorn is a historic port town on the IJsselmeer lake in North Holland, with an old harbour of merchant houses and a flat surrounding countryside. The climate is mild and maritime: summers (June to August) are mild to warm, autumn is windy and damp, winters (December to February) are cold and grey, and spring is fresh. Spring to early autumn is the best time for racing, and wind is common on the open lake and polder. It is about 35 minutes from Amsterdam by train.
Know from the athletes
Good to know
How do I add my story to a race registration?
Log into your IRONMAN Profile, navigate to the Registrations page, hover over the event, click on Race Details, and select 'Tell Us Your Story' to share your background and inspiration.
I cannot login to my IRONMAN profile
For login issues with your IRONMAN profile, visit the Help Center at https://my.ironman.com/help.
How do I confirm all races are under the same profile?
Log in to your IRONMAN Profile at https://my.ironman.com and click 'Registrations' to view your race results and upcoming races. If a race is missing, you likely registered using multiple profiles/email addresses.
My races are not showing up in my profile
If your past or upcoming events are missing, you likely registered using a different email address. Try logging in with other email addresses or contact support.
How does pricing and registration for a relay team work?
The team captain creates the relay team during registration by selecting a team name, adding team members, and paying the full registration fee at checkout. Team members claim their entry via an email invitation.
Are two-person relay teams permitted?
Yes. Relay teams must consist of two or three athletes. Two-person teams may divide the swim, bike, and run legs in any combination.
Can I be a team member on two different relay teams?
No. Each athlete may only compete on one relay team per event.
Do all relay team members need to be the same age and gender?
No. Relay teams may include athletes of different ages and genders. All participants must be at least 18 years old on race day.
How do I request to switch a relay member?
Only the team captain may request team changes by contacting the event email address with the name of the member to be removed and the full name/email of the new member no later than 10 days before race day.
My team partner did not receive the registration link. How can I resend it to them?
As team captain, log into your profile, navigate to 'Registrations' > 'Race Details' > 'Manage Registration' > 'Registration Claims', and click the 'Resend emails for unclaimed registrations' button.
What is the withdrawal policy for a relay team?
Relay team captains may be eligible for a partial refund depending on the timing of the withdrawal.
Do all relay team members need to attend athlete onsite registration?
Yes. All relay team members must attend athlete onsite registration together and present valid photo IDs.
Does each relay team member receive a timing chip?
No. Each relay team receives one timing chip that acts as a baton and must be transferred between athletes during transitions.