The BIG 3K
The BIG 3K is a running race on October 3, 2026 in Rapid City, SD, with an entry fee of $35.
- Date
- October 3, 2026 (86 days to go)
- Location
- 301 N 5th Street, Rapid City, SD
- Price
- $35
- Sport
- Running
From the Organizer
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.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
65°
Typical Low
43°
Chance of Rain
25%
Based on US Climate Normals data from Rapid City Wfo, 1 mi from the venue.
Host City
About Rapid City, SD
Population
76,836
as of 2023
City Elevation
3,317 ft
Nearest Airport
RAP
Rapid City Regional Airport · 10 mi
Time Zone
Mountain Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The BIG 3K, put it on the calendar, and turn “someday” into a start date.
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Rapid City than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to Rapid CityComing Up
More Running races near Rapid City, SD
Boss Cowman 5k Fun Run/Walk
5K · From $20 · 601 MAIN AVE
138 miles away
SAPR- Step Forward Fun Run
5K · 2823 W Main Street
2 miles away
Black Hills Veterans March and Marathon
Marathon · Ultra · From $60 · The Mickelson Trail to the Deadwood Rodeo Grounds,
32 miles away
Memory of the 8
1K · 5K · 8 Mile · 901 S 4-J Rd
114 miles away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
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The BIG 3K
Oct 3, 2026