5K

The Indian Island course, though flat, is challenging, as it starts out on pavement near the playground and transitions to an unpaved surface that is soft and sandy in many places as the course makes its way out to the point and back.

FRNCA is holding a 5K on October 15 to benefit its scholarship fund.

Northwell Health's inaugural East End Walk drew hundreds of people to Tanger Outlets in Riverhead this morning for a fundraising 5K around the outlet center, raising more than $110,000 for Peconic Bay Medical Center's cardiac care center and the Cancer Services Program.

This year's Run to Remember 5K, scheduled for Sunday May 21, will honor Riverhead students, alumni and faculty who lost their lives too soon.

This popular run raises money to support the Riverhead Foundation for Marine Research and Preservation's many programs.

The Titan Challenge is the uber-race. Think Riverhead Ninja Warriors. Think Extreme Mud Run. You might be close.

Fresh air, fall foliage and 5K fun run fundraiser - all wrapped up in one fabulous morning. The Riverhead Running Club is hosting its second annual Trick or Trot 5K fun run and race on Oct. 29.

More than 300 people — breast cancer survivors, family members, friends and supporters — took the North Fork Breast Health Coalition’s 18th annual 5K walk Sunday morning at Tanger Outlets in Riverhead.