Robert J. Aaron Memorial Mighty Montauk Triathlon /Aquabike and Sprint

Founded in 1982 by the late Robert J. Aaron.

CELEBRATING 45 YEARS.......

Long considered one of the east end season openers, the RJA Memorial is one of the longest, continuous triathlons on Long Island!  We will be celebrating our 45th anniversary this year.  Since Robert's death in 2002, the race has been used as a fund raiser for pancreatic Cancer Research, supporting the Lustgarten Foundation for Pancreatic Cancer.

The  Olympic race consists of a 1-mile swim, 20-mile bike and 6.2 miles run. The Aquabike consists of the 1-mile swim and 20-mile bike. The recently added Sprint triathlon consists of a 1/2-mile swim, 14-mile bike and 3.8-mile run. The Olympic race/Aquabike  goes off at 7:30am and the Sprint follows at approximately 8 am.

The course must be completed in 3 hours 55 minutes.

Race Fees:

RACE INSURANCE AVAILABLE AT REGISTRATION - PLEASE PROTECT YOUR REGISTRATION

Early Registration:

December 15th, 2025, 12.00am to March 31st, 2026, 11.59pm

Triathlon Registration                         $160.00

Aquabike Registration                        $145.00

Sprint Registration                              $125.00

Registration

April 1st, 2026, 12.00am to May 15th 11.59pm

Triathlon Registration                          $175.00
Aquabike Registration                         $155.00  
Sprint Triathlon                                     $135.00 

Registration:

May 16th, 2026 - 12.00am to June 10th 11.59pm

Triathlon Registration                         $185.00

Aquabike Registration                        $163.00  

Sprint Triathlon                                    $145.00

Late Registration:

June 11th, 2026 - 12.00am to June 12th- 9.00pm

Triathlon Registration                         $195.00

Aquabike Registration                        $172.00  

Sprint Triathlon                                    $155.00

 Race Insurance can be purchased at time of Registration (Strongly recommended to protect your registration)

Please consider utilizing The RaceJoy APP for Course Tracking and Course Directions on the Bike and Run Courses    

The Original Mighty Montauk course

SWIM - The distance is 1 mile in the calm salt water of Lake Montauk. The course is out and back. Since this race is in the spring, wet suits are recommended (water temperature is normally around 55 degrees Fahrenheit).

BIKE - The distance is 20 miles taking you along Montauk historical routes; giving you a bird's eye view of the famous Montauk Lighthouse. The course is out and back with some hills. Hardshell helmets (ANSE approved) and bar end plugs are mandatory. This race adheres to USAT policy of NO DRAFTING. No water stops on the bike course please plan accordingly

RUN - The distance is 6.2 miles through the scenic side of Montauk - challenging hills . NO ELECTRONIC DEVICES ON THE COURSE (ex: iPods, MP3 players etc). except Smartphones. Water stops are at one mile intervals on the run course.

The New Sprint Triathlon Course

SWIM - The distance is 1/2 mile in the calm salt water of Lake Montauk. The course is out and back. Since this race is in the spring, wet suits are recommended (water temperature is normally around 55 degrees Fahrenheit).

BIKE - The distance is 14 miles taking you along Montauk historical routes; giving you a bird's eye view of the famous Montauk Lighthouse. The course is out and back with some hills. Hardshell helmets (ANSE approved) and bar end plugs are mandatory. This race adheres to USAT policy of NO DRAFTING.  No water stops on the bike course please plan accordingly.

RUN - The distance is 3.88 miles through the scenic side of Montauk challenging hills . NO ELECTRONIC DEVICES ON THE COURSE (ex: iPods, MP3 players etc). except Smartphones. Water stops are at one mile intervals on the run course.

IMPORTANT NOTICE: This race is a USAT sanctioned event, so each  participant must have a valid USAT license.  A one-day license fee would be required for non USAT members.  Membership cards along with photo ID must be presented at packet pick up.

Major Beneficiaries 

• Lustgarten Foundation for Pancreatic Cancer Research
• St Therese Youth Group
• East Hampton PBA
• Montauk Ambulance Squad

Accommodations

The following Motels are all within a one mile radius of the race. Most of the Motels require a two night stay, so please plan accordingly.

HARBORSIDE MOTEL - 631-668-2511
SNUG HARBOR MOTEL- 631-668-2860
HAVEN MOTEL 631-668-5943
SAIL INN - 631-668-2800
SUNSET BEACH MOTEL - 631-668-2828
SUN AND SOUND MOTEL - 631-668-2212
TIPPERARY INN - 631-668-2010

REFUND POLICY

All registrations are final. THERE ARE NO REFUNDS OR TRANSFERS OF REGISTRATION FEES. (Please consider taking out race insurance - protect your registration)

Insurance available during the registration process.

Packet Pickup

June 12th, 2026, from 10.00am to 10.00pm
at the Harborside Motel, 371 West Lake Drive, Montauk NY 11954.

Participants must be present with photo ID to collect race packet. USAT members must show a valid membership card.  Non USAT members must pay $15.00 for one day membership. The race is on rain or shine. 

Day of Race packet pick up is available for a $10.00 service charge (cash only)

Race Insurance can be purchased at time of Registration (Strongly recommended)

SANCTIONING:

USAT Sanctioned Event:

USA Triathlon is the National governing body of the sports of triathlon, aquabike, duathlon, and aquathlon in the United States.  Participation in a USAT sanctioned event means the event director has the proper permits in place, liability and athlete excess medical insurance coverage and the event plan has met the standard of organization required.  USA Triathlon provides rules, guidance and governance to set the standard for safe and fair multi-sport races.  For more information on USA Triathlon and fueling the multi sport lifestyle, visit their website http://www.usatriathlon.org