HalfRuns
Ballwin Triathlon

Ballwin Triathlon

Ballwin Triathlon offers a popular, community-focused multisport event in Missouri.

Race Date

Jul 19, 2026

Location

Ballwin, MO

Quick facts

Date
Sunday, July 19, 2026
Location
Ballwin, Missouri
Distance
Half marathon (13.1 mi) + 26 Miles, SPRINT INDVIDUAL TRI SINGLE Wave 3 - STARTS 7:45AM, SPRINT INDIVDUAL TRI SINGLE Wave 4 - STARTS 8:30AM, SPRINT RELAY TRI SINGLE Wave 4 - STARTS 8:30AM, REMOVE THE LIMITS BUDDY - Wave 4 - STARTS 8:30AM
Course
Loop Course
Terrain
Road
USATF certified
Not listed

Highlights

Good For

Beginner FriendlyDestination Worthy

Atmosphere

Local CommunityWell OrganizedGreat Swag

Course

Well Marked

The Experience

The 27th annual Ballwin Triathlon, a USAT-sanctioned event, is a well-loved fixture in Ballwin, Missouri, produced by MSE Racing. This popular race, which typically fills to capacity each year, offers a unique challenge with its standard triathlon (300-yard swim, 9-mile bike, 3.4-mile run) and the returning Double Triathlon option for those seeking an extra test.

Set in partnership with the City of Ballwin, the event fosters a vibrant and supportive community for athletes of all levels. Runners can expect a professionally managed experience designed to inspire healthy, active lifestyles. The race is known for its popularity and community feel, making it a notable event on the local endurance sports calendar.

Race-provided description

In partnership with the City of Ballwin, MSE Racing is excited to host the iconic 27th annual Ballwin Triathlon. The USAT sanctioned Ballwin Triathlon is a 300 yard pool swim, 9 mile bike, and 3.4 mile run. This race is very popular and fills up to capacity almost every year. Be sure to secure your spot early. IT'S BACK this year: the Double Triathlon. If you are looking for a greater challenge, here’s your opportunity! Participants will complete the Ballwin Triathlon course and then head back to the pool to complete the course a second time beginning with one lap around North Pointe’s lazy river. For more information including, but not limited to race options, course maps, schedule of events, packet pickup/endurance expo, volunteer - signup, sponsorship info, parking, etc. Please visit - https://www.mseracing.com/ballwin-triathlon All athletes MUST show a Photo ID and pick up their own race packet, NO EXCEPTIONS.

Logistics

Race Day

Sunday, July 19, 2026

Start Time

7:00 AM

Giveaway

Unisex T-Shirt

Start Location

335 Holloway Road, Ballwin, MO, 63011

Directions

Course Info

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

26 MilesSPRINT INDVIDUAL TRI SINGLE Wave 3 - STARTS 7:45AMSPRINT INDIVDUAL TRI SINGLE Wave 4 - STARTS 8:30AMSPRINT RELAY TRI SINGLE Wave 4 - STARTS 8:30AMREMOVE THE LIMITS BUDDY - Wave 4 - STARTS 8:30AM

Quality Score

Methodology
Heritage0/20

first year

Size0/15

no finisher counts yet

Momentum3/5

small race — neutral

Loyalty0/20

needs a few years of results

Course & details3/15

3 timing sources

National draw0/10

no finisher data yet

Front-pack speed0/5

no winner time yet

Weather0/10

typical high 87°F

Race Day Weather

5-year historical avg

Start (Low)

69°

Afternoon (High)

87°

Hot conditions — adjust pace expectations, prioritize hydration

0.2"

Precipitation

8 mph

Wind

76%

Humidity

Race Photos

Frequently asked

When is the Ballwin Triathlon?

The Ballwin Triathlon is held on Sunday, July 19, 2026, starting at 7:00 AM.

Where does the Ballwin Triathlon take place?

It takes place in Ballwin, Missouri.

What distances does the Ballwin Triathlon offer?

The half marathon (13.1 miles), plus 26 Miles, SPRINT INDVIDUAL TRI SINGLE Wave 3 - STARTS 7:45AM, SPRINT INDIVDUAL TRI SINGLE Wave 4 - STARTS 8:30AM, SPRINT RELAY TRI SINGLE Wave 4 - STARTS 8:30AM, REMOVE THE LIMITS BUDDY - Wave 4 - STARTS 8:30AM.

Is the Ballwin Triathlon course flat and good for a PR?

The Ballwin Triathlon is a ultra-flat, loop course course.

HalfRuns editorial — independent, no paid placement.

Explore More Journeys

Can't make it to Ballwin? Discover other experiences that match your running style.

Search All Races