Events

Olympic (1500m OWS (canal), 40 km bike, 10 km run) Sprint (500m OWS (canal), 20 km bike, 5 km run) Duathlon (2 mile run, 20 [...]

We have reserved the Whispering Hills Clubhouse pool every Sunday morning from 8am to 10am. This is a 25 yard pool. Enter the clubhouse through [...]

Long course (Olympic): 1500m OWS / 40km bike / 10km run Short course: 750m OWS / 20km bike / 5km run Short course, exhibition swim: 250m [...]

1.2 mile OWS / 56 mile bike / 13.1 mile run Rolling swim start. USAT Sanctioned: n/a

The group will meet at the Sailboat Cove parking lot of Creve Coeur Park near the boathouse.  Routes vary in distance but will typically be [...]

Meet at 6:00am in the parking lot across from the Visitor’s Center. Runners do one 6.5 mile loop at 8:30-10 min/mile pace, which will vary with [...]

No drop group rides every Thursday night, weather permitting, leaving from the east side of the Forest Park Visitors Center parking lot at 6:00 pm. [...]

1.2 mile OWS, 56 mile mike, 13.1 mile run. Aquabike and mixed relay options available. Note: Sprint and Olympic are available the following day as [...]

1.2 mile OWS / 56 mile run / 13.1 mile run Relay available. USAT Sanctioned: Yes

Saturday - International (Olympic) Distance: 1500m OWS / 40km bike (non-drafting) / 10km run Sunday - Sprint Distance: 750m OWS / 20km bike (non-drafting) / [...]

International (Olympic): 1500 meter OWS / 24 mile bike / 10k run Sprint: 500 meter OWS / 12 mile bike / 5k run Aquabike and mixed [...]

Long course: 4.14 miles (total) OWS (ocean bay), 15.28 miles trail run (total), 11 islands Short course: 1.61 miles (total) OWS (ocean bay), 8 miles [...]

Short: 500m OWS / 11 mi bike  / 5k run Long: 1000m OWS / 18.8 mi bike  / 10k run 1/2 mile kids run (ages [...]

2021 event is cancelled with intent to return Aug 14, 2022. 7-10 year olds: 100 meter indoor pool swim / 1.4 mile bike / 0.5 [...]

We have reserved the Whispering Hills Clubhouse pool every Sunday morning from 8am to 10am. This is a 25 yard pool. Enter the clubhouse through [...]

The group will meet at the Sailboat Cove parking lot of Creve Coeur Park near the boathouse.  Routes vary in distance but will typically be [...]

Meet at 6:00am in the parking lot across from the Visitor’s Center. Runners do one 6.5 mile loop at 8:30-10 min/mile pace, which will vary with [...]

No drop group rides every Thursday night, weather permitting, leaving from the east side of the Forest Park Visitors Center parking lot at 6:00 pm. [...]

2021 event is listed in Facebook but there is no registration information available (as of 05/14). Sprint - 300 meter serpentine pool swim / 13.5 [...]

Ages 7-10: 100 yd OWS / 2.5 mi bike / 1 mi run Ages 11-15: 200 yd OWS / 5 mi bike / 2 mi [...]

1.5 Mile OWS in San Francisco Bay T1 includes 0.5 mile run 18 Mile Bike 8 Mile Run Relay options. Aquathlon option. Entry is via [...]

We have reserved the Whispering Hills Clubhouse pool every Sunday morning from 8am to 10am. This is a 25 yard pool. Enter the clubhouse through [...]

The group will meet at the Sailboat Cove parking lot of Creve Coeur Park near the boathouse.  Routes vary in distance but will typically be [...]

Meet at 6:00am in the parking lot across from the Visitor’s Center. Runners do one 6.5 mile loop at 8:30-10 min/mile pace, which will vary with [...]

No drop group rides every Thursday night, weather permitting, leaving from the east side of the Forest Park Visitors Center parking lot at 6:00 pm. [...]

Half Triathlon: 1.2 mi OWS / 56 mi bike / 13.1 mi run Half Aquabike: 1.2 mi OWS / 56 mi bike Athena/Clydesdale Relay options. [...]

Inaugural event in 2021. Sprint: 500m OWS (lake) / 15 mi bike / 5k run Separate T1 and T2 locations. Kid's tri races in afternoon: [...]

Calfkiller Sprint: 500m OWS / 22km Bike / 5k Run Olympic: 1500m OWS / 40km Bike / 10k Run Half: 1.2 mi OWS / 56 [...]

Short Course Only: 0.25 miles OWS (lake)/ Bike 13.1 miles/ Run 2.5 miles 415 athlete total. Relay option. USAT Sanctioned: Yes

The 57th edition of the longest nighttime bike ride in the US. Big River Running is looking for tri club volunteers to volunteer as course [...]

Multiple long distance options! Full Tri – 2.4 Swim, 112 Bike, 26.2 Run Full Relay – 2.4 Swim, 112 Bike, 26.2 Run Full Aquabike – [...]

1.2 mi OWS (lake) / 56 mi bike / 13.1 mi run USAT Sanctioned: Yes

Event will not be held in 2021. 2.4 mile swim / 112 mile bike / 26.2 mile run USAT Sanctioned: n/a

300 yard serpentine pool swim 11.8 mile bike 3 mile run Relay option. Athena/Clydesdale options. No online transaction fees! USAT Sanctioned: No For information about [...]

Olympic Triathlon: 1500m OWS (river) / 40.9 km bike / 10 km run Olympic Aquabike: 1500m OWS / 40.9 km bike Olympic Cyclorun: 40.9 km bike / [...]

We have reserved the Whispering Hills Clubhouse pool every Sunday morning from 8am to 10am. This is a 25 yard pool. Enter the clubhouse through [...]

The group will meet at the Sailboat Cove parking lot of Creve Coeur Park near the boathouse.  Routes vary in distance but will typically be [...]

Meet at 6:00am in the parking lot across from the Visitor’s Center. Runners do one 6.5 mile loop at 8:30-10 min/mile pace, which will vary with [...]

No drop group rides every Thursday night, weather permitting, leaving from the east side of the Forest Park Visitors Center parking lot at 6:00 pm. [...]

  Sprint: 0.47 miles OWS / 15 miles bike / 3.1 miles run (Sunday) Olympic: 0.93 miles OWS / 24.8 miles bike / 6.2 mile [...]

1500m OWS / 40 km bike / 10 km run Relay, aquabike and Clydesdale/Athena options available Sprint race is previous day and the two may [...]

Olympic: 1500m OWS (bay) / 35 km bike / 10k run Sprint: 750m OWS / 17.5 km bike / 5.5k run Olympic Aquabike: 1500m OWS [...]

1.2 mile OWS / 56 mile bike / 13.1 mile run USAT Sanctioned: Yes

2021 event rescheduled from 07/11 to 08/29. 1.2 mile OWS / 56 mile bike / 13.1 mile run Duathlon option: 5k run / 56 mile bike [...]

Long Course: 3 miles OWS (6 segments, Lake Huron) / 15.5 mile trail run (7 segments) Short Course: 1.9 miles OWS (4 segments, Lake Huron) / [...]

We have reserved the Whispering Hills Clubhouse pool every Sunday morning from 8am to 10am. This is a 25 yard pool. Enter the clubhouse through [...]

Swim 1/3 mile (586 yards) / Bike 12 miles / Run 3 miles Clydesdale/Athena and relay options available. Olympic race is the following day and the two [...]

The group will meet at the Sailboat Cove parking lot of Creve Coeur Park near the boathouse.  Routes vary in distance but will typically be [...]

Meet at 6:00am in the parking lot across from the Visitor’s Center. Runners do one 6.5 mile loop at 8:30-10 min/mile pace, which will vary with [...]

No drop group rides every Thursday night, weather permitting, leaving from the east side of the Forest Park Visitors Center parking lot at 6:00 pm. [...]

Super Sprint: 200 yd pool swim / 4.7 mi bike / 1 mi run Sprint: 400 yd pool swim / 15.6 mi bike / 3.1 mi [...]