Registration & forms
Complete the 2027 athlete registration, liability release, medical statement and required consent forms online.
Open the 2027 registration form →
AIDA pool freediving competition · Cabo San Lucas
The competition
Horizontal Blue brings freedivers, AIDA judges, safety teams and volunteers together in Cabo San Lucas for an intensive and welcoming pool competition.
Athletes can compete across the principal horizontal disciplines and static apnea, supported by experienced safety professionals in an environment built around fair play, personal progress and community.
Plan your 2027 competition
Everything in this section applies exclusively to Horizontal Blue 2027.
Complete the 2027 athlete registration, liability release, medical statement and required consent forms online.
Open the 2027 registration form →Every athlete must complete the AIDA medical statement. Any positive medical answer requires clearance from a qualified physician before competing.
Review the 2027 medical form →Optional pool training is scheduled for April 28 and 29, with an optional depth session on May 3. Places are confirmed by the organization.
See the 2027 schedule →The competition takes place in Cabo San Lucas. Contact Ocean Tigers for practical guidance on arrival, local transport and nearby accommodation.
Ask on WhatsApp →Before you register
You do not need to be an elite athlete—or hold a certification—to take your place on the start list.
No. You do not need a freediving certification to enter Horizontal Blue. You should, however, already be comfortable training the discipline you choose and follow all competition safety rules.
Yes. Horizontal Blue is designed to be welcoming to athletes entering their first competition as well as experienced competitors. The team will explain the schedule, official top procedure and validation protocol.
You can choose from static apnea (STA), dynamic with fins (DYN), dynamic bi-fins (DYNB) and dynamic no fins (DNF). Choose the disciplines that match your current training and experience.
No. You compete against your own announced performance as much as against a ranking. A controlled, clean performance is a meaningful competition result at every level.
Performances take place with trained freediving safety personnel, AIDA judges and an organized competition team. Athletes must attend required briefings and follow the event's safety procedures.
You must meet the medical requirements stated on the registration form and be fit to freedive. If you have a medical condition or any doubt about your fitness, obtain clearance from a qualified physician before participating.
Yes. Optional pool training is scheduled before the official competition. Places and conditions are confirmed by the organizers, so register early if you want a preparation session.
Bring the equipment you normally use for your chosen disciplines, such as a swimsuit or wetsuit, mask or goggles, nose clip and fins. Your equipment must comply with the applicable competition rules.
Yes. Freedivers from Mexico and abroad are welcome. The event is held in Cabo San Lucas, and the Ocean Tigers team communicates in English, Spanish and French.
Complete the online registration form. The organizers will then confirm availability, required documents, fees and the next steps. Registration is only final once those requirements are completed.




April 28—May 3, 2027
The main competition runs from Thursday, April 29 through Sunday, May 2. Optional training and depth sessions frame the official event.
8:00 AM–12:00 PM · DYN, DNF and DYNB
Pool training 8:00 AM–12:00 PM · Welcome meeting 5:00–8:00 PM at Ocean Tigers Dive House
First official top at 8:00 AM · DYN, DNF and DYNB · Finish around noon
STA from 8:00 AM · Dynamic disciplines from 1:00 PM · Finish around 5:00 PM
Dynamic disciplines from 8:00 AM · Awards and barbecue from 5:00 PM
7:40–10:15 AM · Departure from the Cabo San Lucas marina
The venue
Cabo San Lucas, Baja California Sur, Mexico
The Don Koll Olympic Swimming Pool is the first Olympic-size swimming pool in Los Cabos and one of the finest aquatic training facilities in Baja California Sur. Located in the Don Koll Sports Complex in Cabo San Lucas, this modern venue meets international competition standards and provides the ideal environment for swimming, freediving, and high-performance aquatic sports.
Ocean Tigers proudly uses the pool for AIDA freediving courses, pool training sessions, safety courses, and athlete preparation. Public access is reserved for local residents registered with INDEM.
Its calm conditions, consistent water temperature, and Olympic dimensions make it ideal for AIDA 1–4 courses, dynamic apnea (DYN, DYNB, DNF), safety and rescue practice, technique coaching, and competition preparation.
The facility also hosts swimming lessons, swim club training, municipal, regional and national competitions, high-performance athlete development, water safety programs, and freediving events.
Our experienced instructors teach in English, Spanish, and French, helping beginners and experienced freedivers improve their technique, confidence, and performance safely.





Together for freediving
Horizontal Blue is made possible by the organizations, local businesses and freediving professionals who support its athletes, safety teams and community.
Click a sponsor logo to visit its Instagram profile.
Horizontal Blue 2027
Contact Ocean Tigers for athlete participation, volunteering, judging or event information.