• The 3850 is suited for experienced swimmers comfortable with swimming long distance;
  • It is the same swim distance as for an IM swim;
  • The 3850 starts at a Boat Slip on the Monasterevin Road, and finishes at the ramp/jetty close to the Courthouse at Athy;
  • In all, swimmers will have four u-turns to make on this course;
  • To start, swimmers face downstream and swim with the current for the first 770m to the first turn;
  • After the first turn at 770m, swimmers then face a 990m upstream section before the second turn;
  • After the second turn at 1,760m, swimmers turn downstream for 615m before rounding the third turn;
  • After the third turn at 2,375m, swimmers turn upstream for 615m before rounding the fourth and final turn;
  • After the fourth turn at 2,990m swimmers complete the swim with a final 860m downstream swim.
  • Swimmers go by White Castle, and thread one of the eyes of Crom-a-boo bridge before finishing at the jetty.
  • Please note that wetsuits are mandatory for this swim.

Did you know?

  • The River Barrow is Ireland's second longest River and only becomes navigable for boats from Athy onwards.
  • At Athy, it is generally shallow during May with water temperatures in the region of 13 degrees.

3850 Swim Video