Sioux Falls, South Dakota · Saturday, August 8, 2026
The 605 Trail Fest is a running and trail running event held on Saturday, August 8, 2026. It is located in Sioux Falls, South Dakota.
Join us for the Heatwave Half Marathon, 10K, & 5K!
A sun-soaked summer challenge that’s perfect for the whole family.
The fun includes –
Great Swag – designer shirt & custom medal
Chip-timing with live results and awards
Free photos
FREE ice cream at the finish to help you cool off
Plenty of hot fun in the summer sun!
Grab your friends and family—you won’t want to miss this one!
Can’t make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag!
Youth-based pricing is available: ages 12 & under are only $17!
Half Marathon/10K/5K registration includes a custom bib, designer shirt, and an awesome finisher medal!
1 Mile registration is untimed and includes a custom bib, designer shirt, and an awesome finisher medal!
Kid’s Dash is a fun, untimed dash for ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specially crafted medal for our youngest runners! (If your child wants to run the kid’s dash without swag, they’re welcome to run free on race day!)
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Come One, Come All.. for our 9th Annual Blue Move- 5K and 1 Mile
Support the fight against Colorectal Cancer!
Every half mile learn facts about colorectal cancer and finish the race by running through a large, inflatable colon!
All proceeds help fund colonoscopies for the underserved patients of Falls Community Health in Sioux Falls, SD.
Location:
Race is located downtown Sioux Falls at Fawick Park.
Run out and back on a designated paved trail which follows the Big Sioux River!
Details:
Children 10 and Under participate for free (Youth Small T-Shirts available for purchase $10)
T-Shirts and Swag Bag guaranteed for the first 100 participants who register by 7/27.
Dogs are allowed if on a leash.
Strollers Allowed.
Awards:
RACE AWARDS (5k):
Top 2 Male Runners
Top 2 Female Runners
New This Year: Top Two Runners (age 15 and under)
New This Year: Best Time 5-Person Team
FUN AWARDS:
Most BLUE Participant
First Person to Register (must be present to win)
Farthest Distance Traveled (must be present to win)
See each individual tab on top for more details
If an ADA accommodation is needed, please contact the Human Relations Office at 367-8745 or Select Contact Event Icon above the Event Listing.
If inclement weather occurs you will be notified via email and Facebook of any cancellations. Refunds will not be given if cancelled.
Save the date! September 12, 2026
The Sioux Falls Marathon, powered by Sanford Health and the Sioux Falls Sports Authority, features races for all levels of runners. Distances include the full marathon, half marathon, & 5K.
The full & half races feature downtown Sioux Falls, iconic Falls Park (for full and half) and many of the city's finest parks as well as the bike trail system.
A portion of the net proceeds from the Sioux Falls Marathon is donated to the Sanford Children's Miracle Network. The 2024 races raised more than $20,000 for children in our community.