The BIG 3K
Join Big Brothers Big Sisters of the Black Hills for The BIG 3K, a fun, family-friendly community walk/run that makes a BIG impact! Whether you run, walk, or cheer from the sidelines, every registration helps create and support life-changing mentoring relationships for local youth.

This event welcomes participants of all ages and fitness levels. Enjoy a scenic 3K course, community vendors, music, refreshments, and a morning dedicated to empowering young people across the Black Hills.

Every step you take helps connect more children with caring adult mentors, giving them the support, encouragement, and opportunities they need to reach their full potential.

Event Details

Date: Saturday, October 3rd, 2026
Location: Memorial Park, Rapid City, SD
Distance: 3K Who Can Participate: Everyone! Families, friends, runners, walkers, businesses, and community supporters are encouraged to join.
Register today and help us defend the potential of every child, one step at a time.