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Entry Info

2023 4Islands MTB Croatia

18 – 22 April 2023

Krk - Rab - Cres - Lošinj

Registration for the 2023 4Islands MTB Croatia opens 4 October at 15:00 CEST! Add your name to the Remind Me list to be notified as soon as registrations are open.

The combination of travel services offered to you is a package within the meaning of Directive (EU) 2015/2302.

Therefore, you will benefit from all EU rights applying to packages. 4Islands d.o.o. turistička agencija will be fully responsible for the proper performance of the package as a whole.

Additionally, as required by law, 4Islands d.o.o. turistička agencija has protection in place to refund your payments and, where transport is included in the package, to ensure your repatriation in the event that it becomes/they become insolvent.

More information on key rights under Directive (EU) 2015/2302 you can read here.

Tier Hotel Boat Standard Boat Deluxe Boat Super Deluxe
Tier 1: Until 15 December 2022 EUR 3,200 EUR 3,650 EUR 4,100 EUR 4,800
Tier 2: Until 31 January 2023 EUR 3,300 EUR 3,750 EUR 4,200 EUR 4,900
Tier 3: Until 15 March 2023 EUR 3,550 EUR 4,000 EUR 4,450 EUR 5,150

Entry fee includes:

  • 5 days of mountain biking on Croatia’s unexplored and world-class trails
  • 6 nights with half board (in hotels or a boat depending on the booked package)
  • Pre-race test ride
  • Service stations and nutrition throughout the race route
  • Professional on course tech support
  • Daily post-stage recovery meal (5)
  • Daily bike wash
  • Safe overnight bike park in the race village
  • Finisher medal (for official finishers)
  • Exclusive opportunity to qualify for the Absa Cape Epic
  • Professional on course medical service
  • Transfers between all stages (includes ferries and buses)
  • Bike and luggage transfers between all stages
  • Free parking in base 1 (island Krk).

Team Categories

Teams in the Open category will not qualify for age group leader jerseys in Masters and Grand Masters categories. Team age group will be determined by the age of the youngest rider in your team. 

Open Men (19+) both riders in team are male
Open Women (19+) both riders in team are female
Mixed (Male and Female 19+) – one female and one male rider in team
Masters (40-49) both riders are 40 years or older on 31 December of the year of the race
Grand Masters (50+) both riders are 50 years or older on 31 December of the year of the race

Payment Plan Option

We understand that entering the 4Islands MTB Croatia is a big commitment, so we offer you the payment plan from which you can benefit if you sign up until 2 January 2023. The payment plan consists of 3 payments.

  • Payment 1 (50%) is due at the time of registration
  • Payment 2 (25%) is due on 1 February 2023
  • Payment 3 (25%) is due on 3 March 2023

Setting up the payment plan is easy, you can select the option during the registration process. If you have any questions, please send us an email: and we’d be glad to assist.

Please note: Your registration is only valid when all 3 payments have been made. When choosing the payment plan, you can’t claim any partial refund.

Rider Changes

If a team member cannot participate due to sickness or injury, a substitute team member can register in that person’s place.  Rider change requests must be submitted via the online rider change form.  Both team members will be substituted if you are transferring your entry to another team (full team change). The following fees (per rider substituted) apply:

  • Until 3 March 2023: 30 EUR
  • Thereafter, until race registration: 60 EUR

For more information on our Rider Change Policy, please read our Deferral, Withdrawal and Rider change terms and conditions.


Teams who register on or before 2 January 2023 are eligible to defer their 2023 race entry to the 2024 4Islands MTB Croatia event free of charge. All deferral requests will be honored until midnight, 4 March 2023, regardless of the reason for deferral. The deferral may only be used once. 

Please Note: Riders who were deferred from 2022 to 2023 are not eligible for deferral into 2024.

For more information on our Deferral Policy, please read our Deferral, Withdrawal and Rider change terms and conditions.


If you are unable to find a substitute rider/team, withdrawal requests must be sent via the online withdrawal form during the following time frames to be eligible for a partial refund: 

  • From opening of registration until 31 December 2022: 75% refund (less the processing fee).
  • From 1 January 2023 until 31 January 2023: 50% refund (including processing fee).
  • From 1 February 2023 until 28 February 2023: 25% refund (including processing fee).
  • From 1 March 2023: no refunds will be made

For more information on our Withdrawal Policy, please read our Deferral, Withdrawal and Rider change terms and conditions.


The 4Islands MTB Croatia is not your average mountain bike stage race. Yes, there are stunning islands and amazing trails but riders get to stay luxury with choice of premium boat or hotel accommodation options. Each package covers five nights of boat or hotel accommodation, meals, luggage transfer, bike-wash and more.


Upgrade Your Experience

Riders get the option of taking their 4Islands MTB Croatia experience to the next level. Take a look at some of the great Optional Upgrades available including additional nights accommodation, transfers, massages and more.