Dan Ahearn (né Daniel William Ahearne; April 12, 1888 – December 20, 1942) was an Irish and later American track and field athlete and a member of the Irish American Athletic Club.
[1] He was born in Athea, Ireland and was the younger brother of Tim Ahearne.
He won the National Amateur Athletic Union junior broad jump championship in 1908.
In 1909 Ahearn established several new records for the hop, skip, and jump, but the Amateur Athletic Union threw them out on technicalities.
[2] In 1910, at the games of the "First Regiment Irish Volunteers held at Celtic Park, Long Island City...Dan Ahearn, the jumper of the Winged Fist Club, lowered the world's record (in the triple jump) of 50 feet 1/2 inch, held by D. Shanahan, the Irish Jumper.