SWIMATHON 2025 (Thailand)
Swimming in the sea is not just a workout—it’s a full-body experience that rejuvenates the mind and spirit. Open water swimming is a unique and refreshing adventure, surrounded by endless blue, kissed by the tropical sun, and challenged by natural waves. This year, SWIMATHON 2025 (Thailand) returns to Thailand in full force — inviting swimmers from around the globe to be part of an unforgettable race in the Gulf of Thailand.
SWIMATHON 2025 (Thailand)
Whether you’re a competitive athlete, a fitness enthusiast, or a travel lover seeking an active holiday, SWIMATHON 2025 promises not only physical challenge but also scenic beauty, community spirit, and world-class race organization.
Event Details
Date: December 20–21, 2025
Location: Na Jomtien Beach, in front of Sand Morada Hotel, Sattahip District, Chonburi Province, Thailand
Registration: Available now via RUNLAH
Race Categories
Choose your challenge! SWIMATHON 2025 offers a range of distances to suit all abilities:
10KM SWIMATHON: For elite endurance swimmers ready to conquer the sea.
5KM Half SWIMATHON: A great test of strength and stamina.
2KM Sprint: Short and fast-paced, perfect for thrill-seekers.
1KM Fun Swim: Ideal for beginners or leisure swimmers.
3KM – Team Relay: Bond with your team as you take on the sea together.
AQUATHLON (Long Distance): 4.4 KM run + 2 KM swim + 4.4 KM run
AQUATHLON (Short Distance): 2.2 KM run + 1 KM swim + 2.2 KM run
Start Times
Each category begins at designated times between early morning and midday.
Participants should arrive at least 1 hour before their start time for check-in and warm-up.
Awards & Recognition
Top 3 male and female finishers in each category will receive cash prizes and trophies:
10KM Winners: 5,000 / 3,000 / 2,000 THB
5KM Winners: 3,000 / 2,000 / 1,500 THB
2KM Winners: 2,000 / 1,500 / 1,000 THB
All finishers will receive medals and certificates of participation.
Why Join SWIMATHON 2025?
Swim in warm, tropical waters with stunning ocean views
Compete alongside swimmers from around the world
Enjoy a festival-like atmosphere with music, food, and local culture
Experience the beauty of Chonburi’s coast — just 2 hours from Bangkok
Make new friends, build endurance, and create lasting memories
Whether you’re chasing a personal best or simply looking for a new kind of adventure, SWIMATHON 2025 is your chance to dive into something truly special.
Register today, pack your swimsuit, and get ready to ride the waves in Thailand’s biggest open water event of the year!
