Click here for the Hydro Dynamic Winter edition (February 2025)
31° static pool – 50 m dynamic pool
General Information
Date
18th & 19th October 2025
Registration
On the A.I.D.A International website.
Deadline: 4th October 2025
Competition
AIDA National Championship, individual, national (with international guests), world record status, no final, Regulations.
Location
BSFZ Südstadt, 1, Liese-Prokop-Platz, Maria Enzersdorf, Lower Austria, 2344, Austria
Accomodation and Transport
Public transport:
Badner Bahn station “Maria Enzersdorf Südstadt”, public transport planner
By car:
Highway A2, exit: Mödling SCS, see map
Accomodation:
Heuriger Hössl, Eventhotel Pyramide, Phoenix 7
Participation fee
Early eel: 110 € (payment until 18th July 2025)
Regular ray: 125 € (payment until 18th September 2025)
Lazy lobster: 140 € (payment until 4th September 2025)
The fees above require AIDA membership. For Austrians there is the possibility to gain a temporary Austrian AIDA membership for EUR 5,-.
Non-Austrians without an AIDA membership are required to join their national AIDA association.
Bank details
Bank: Bank Austria
Recipient: AIDA Austria
IBAN: AT391200010501600002
BIC: BKAUATWW
Purpose: Hydros 2025 + Your name
For international transfers outside the EU please contact us
Capacity
Max. 48 athletes
Disciplines
STA (Saturday morning, 31°C pool, depth ~1m in the competition zone)
DYN (Saturday afternoon, 50m pool, continuous 2m depth)
DYNB (Sunday morning, same pool as DYN)
DNF (Sunday afternoon, same pool as DYN)
Dinner
Location to be announced …
Schedule (preliminary)
4th October 2025:
Registration + payment deadline
17th October 2025: Pre-registration
18:00 – 20:00 Pre-registration at Phoenix 7
18th October 2025: First competition day
07:30 – 08:20 Registration
08:30 – 08:45 Judge briefing
09:15 First warm-up for STA
10:00 First OT for STA
14:00 First OT for DYN
19th October 2025: Second competition day
09:00 First OT DYNB
12:30 First OT DNF
16:00 Medal Ceremony
17:30 Dinner
Rules
- Minimum age: 18 years (age 16 and above require a signature by their parent or guardian)
- Signed medical certificate (English or German language) issued by a physician authorized by law certifying that there are no counter indications to the practice of freediving, date of examination must be at most 365 days (1 year) before last competition day.
We recommend the use of the official A.I.D.A medical form which can be found here. - Every athlete must be a member of A.I.D.A. International. Ensure you are registered on the A.I.D.A. website.
- If you are an Austrian Citizen and not a member of A.I.D.A. International you can pay an additional 5€ to become a member of A.I.D.A Austria until 31st December 2025. Note, this is only available for Austrian citizens.
- Only coated weights are allowed in the swimming pool. This will be checked during registration.
- The participation fee needs to be transferred by 4th October 2025, otherwise the registration is not valid.
- If a participant does not appear for the competition, the paid entry fee will be forfeited. Refunds are not possible.
- The official language of this competition is English.
- Photo and video recordings are property of the organizer and will not be handed over. As a result of their registration, the athlete grants the organizer permission to use all photographs and video recordings for advertising and educational purposes, or to publish them.
- A.I.D.A will publish some personal data like name, gender, nationality or age (for instance for the ranking).
- Any other data submitted by the athlete will be stored by A.I.D.A. Austria until up to two years after the competition.
- The organizer declines any liability. The participation is at the own risk of each individual.
- The number of participants is limited to 48. Spots will be allocated based on the order of complete registration and receipt of payment of the entry fee.
- If there are more than 48 registrations, surplus participants will be placed on a waiting list and may move up if a spot becomes available. Participants on the waiting list will of course receive a refund of their registration fee if no place opens up for them.
- The athlete has read and understood the regulations of AIDA.
- The athlete must sign the liability release and assumption of risk form available here.
- If you have any question regarding the use of your data please contact us.
Sponsors
Team
 | Katrin Musil (organizer) |
 | Arno Mayrhofer (organizer) |
 | Christian “Rossi” Fötinger (main judge) |
 | Eva Fröstl (judge) |
 | Ralph Staudigl (judge) |
 | Henriette Kissling (judge) |
 | Alice Ruf (medic) |