Back Your Blue 5K

Fast Course. Smooth Finish.

Now in its 12th year, Tri Louisville is Kentucky’s premier short-course triathlon experience. Start with a swim in the Ohio River, then ride and run through downtown Louisville’s energetic, urban landscape—with the skyline and local support pushing you all the way to the finish at Waterfront Park.

Big city feel. Fast-paced course. Unbeatable vibe.

‍Louisville’s ready—are you?

This race is part of the River City Races Run the 502 series. Run six races on our calendar and get a Run the 502 Finisher Medal with charms of all the races finished. Click here for more details and to register for the Run the 502.

NEW THIS YEAR, SAVE WITH A FAMILY OF FOUR REGISTRATION

Register a Family of Four and save $10 off the registration fee.

Celebrating it's 23rd year, the Dr. Ed Morgan/Kiwanis Grand Slam 4 Miler is a four mile run/walk through beautiful Waterfront Park in the morning and a baseball game that evening. What a perfect way to spend a summer Saturday. All registrants receive their choice of a cotton blend, tech shirt or women's tech tank (only pre-registered will be guaranteed a shirt on race day) or get two for an additional $10.

Race entry includes:

• Choice of short sleeve cotton blend shirt, short sleeve wicking tech shirt or women's only wicking tank

• Finisher medal

• Post race breakfast

• Door prize drawings

• Team competition

• Raise $150 for Big Brothers Big Sisters or Heuser Hearing Institute and your entry fee is on us!

VIRTUAL RUN

A virtual race is a race that can be run or walked from any location you choose. You can run, jog, or walk on the road, on the trail, on a treadmill or track. You get to run your own race, at your own pace. Virtual runners not eligible for awards.

Join us for the annual Summer Sizzler 5k/10k/15k! A fun summer event that is perfect for the whole family.

The fun includes -

• Great Swag - designer shirt & custom medal

• Chip-timing with live results and awards

• Free photos

• Delicious Treats waiting at the finish line

• FREE Kona Ice

• Plenty of fun!

Grab your friends and family, you are not going to 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 for the 5k/10k, 12 & Under are only $17!

• 5k/10k/15K registration includes a custom bib, designer shirt, and a custom finisher medal!

• 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal!

• The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specifically crafted medal for our kids' dash event! (If your child wants to run the kid's dash, and doesn't want the SWAG, they are welcome to run with us on race day for free!)

*Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!

🏁🏅Create a team, or join an existing team during registration. Once 4 people have registered on that team, all team members will be refunded $5, once ten people register another $5 will be refunded for a total of $10!

The Louisville Pure Tap® 5K, presented by the Louisville Water Company, begins and ends at the home of Louisville’s award-winning drinking water: Louisville Water Tower (3005 River Road). This family-friendly race follows a scenic course running east and west along River Road.

The race will start at 8:30 a.m. on Aug. 29, 2026. It will be professionally chip-timed, and all participants will receive a commemorative Louisville Pure Tap® 5K short-sleeved race shirt and a custom finisher medal.

Once again this year, participants are invited to bring their dogs along for the run. There is an additional $10 fee to register dogs, available as a race add-on, with proceeds benefiting Friends of Louisville Metro Animal Services. Registered dogs will receive a special bandana to recognize their participation.

After the race, join us for the after-pawty from 11 a.m.–3 p.m. at Club K9 Dog Park Bar (9316 Taylorsville Road). Dogs wearing race swag get their owners in free. All dogs must be spayed or neutered and provide proof of rabies, distemper, and bordetella vaccinations.