800m Distance

A very achievable swim and the ideal length for first timers. You’ll swim with the current to the finish line on the riverbank at Lanesborough.

  • 32 lengths of a 25m pool.
  • Cut off time: You must finish in 40 minutes.

3.1km Distance

A more challenging swim starting further upstream, you’ll swim with the current to the finish line at Lanesborough. Perfect for those with a bit more experience.

  • 124 lengths of a 25m pool
  • Cut off time: You must finish in 1 hour 30 minutes.

5.8km Distance

Set yourself a real challenge and swim this longer downstream route. You’ll need to be a confident and experienced open water swimmer to compete at this distance.

  • 232 lengths of a 25m pool.
  • Cut off time: You must reach the halfway marker in 1 hour 30 minutes.
  • If the water temperature is 11 degrees celsius or below you must wear a wetsuit.

Safety & entry requirements

The water temperature at this time of year is usually around 12°C. You’ll need some open water swimming experience to compete in all distances. Choose your distance carefully – you’ll need to have experience of swimming this distance in similar temperatures before you compete.

Tow-floats must be worn by all competitors. You can rent these when you enter or on the day at the information desk. Our team of expert kayakers and safety boats will be with you all the way and there will be a medical team on hand. 

Part of the Great Swim Trilogy

This is the first event of the Gaelforce Great Swim Trilogy. Swim in the River Shannon, Lough Derg and Killary Fjord to complete the trilogy and collect your exclusive Gealforce Great Swim Trilogy branded towel robe!

We’ve designed the Great Swim Trilogy to follow the journey from lake to river to sea. With events in late spring, mid-summer and autumn, you can build your experience and distances as you go. The perfect challenge for your swimming year.
Gaelforce Great Lake Swim | Gaelforce Great Fjord Swim

Route map

Details of the final route with relevant buoy colours, will be posted here and emailed to all registered competitors 1 week before event day.

Go to page: Prices
Go to page: Reviews
Go to page: Advice Hub
Go to page: Event day info
Go to page: FAQ
Go to page: Results