Gaelforce Great River Swim
Join Gaelforce Great River Swim 2026
Discover the thrill of open water swimming with the Gaelforce Great River Swim, an unforgettable adventure through the scenic River Shannon in Ireland’s Hidden Heartlands. Set against breathtaking natural beauty, this event welcomes swimmers of all abilities—whether you’re a newcomer searching for your first downstream swim or an experienced athlete seeking an endurance challenge. Participants can choose their ideal distance, each designed to offer a unique journey along the river’s winding bends and gentle currents.
Safety and support are top priorities, with dedicated kayakers, safety boats, and a medical team ensuring peace of mind throughout the course. All swimmers are required to use tow-floats, with wetsuit requirements depending on water temperatures. Proof of previous swimming experience is needed for the longer distances to ensure readiness for this rewarding experience.
As the opening event in the Gaelforce Great Swim Trilogy, it's also part of a larger adventure—complete all three swims to earn a special reward and celebrate your swimming achievements.
Course details
A very achievable swim and the ideal choice for first-timers. You’ll follow the current downstream to the finish line on the riverbank at Lanesborough. Equivalent to 32 lengths of a 25m pool.
3.5km Distance
Starting further upstream, this route offers more time to enjoy the sweep and bends of the Shannon as it guides you downstream to Lanesborough. A rewarding challenge for swimmers with some open water experience.
5.8km Distance
Set yourself a true test on this longer course. The river twists and turns as you make your way downstream, demanding stamina and focus. Suited to confident, experienced swimmers. Wetsuits are compulsory if the water temperature is 11°C or below.
12km Distance
The ultimate adventure and Ireland’s longest downstream swim. Over 12km, you’ll follow the Shannon’s broad curves and winding channels, carried by the flow but challenged by distance and endurance.
Finish address: St Faithleach's GAA, Ballyclare Court, Ballyleague, County Roscommon, Ireland
Route map
Register
Registration closes on 15 May (134 days left)
The current price step is valid until 28 February, 2026
selected tickets
Total
You can, within 24 hours after your registration, get a full refund if you change your mind.
We accept
What’s included
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done Finisher’s T-shirts
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done Timing chip (rental)
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done Photo Service
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done Post-race meal
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done Medical Assistance
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done Toilets
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done Dressing rooms
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done Swim cup
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Frequently asked questions
When and where can I collect my BIB/race pack?
Irish residents will receive their race pack by mail. International participants will collect their race pack on race day at the information desk.
What is the cancellation/refund policy for this event?
All fees and associated costs paid at the time of registration are strictly non-refundable and non-transferable under any circumstances. This applies to requests for: • Refunds of entry fees • Transfers of entry to another person • Transfers of entry to another event
Required equipment
- Tow float (bring your own or hire with your entry; provided for 12km swimmers) - Event swim hat with timing chip (provided)
Recommended equipment
- Wetsuit (optional, depending on temperature) - Goggles - Warm clothes for after your swim - Refillable water bottle (refill stations available at the finish)
The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.
