370 Lakeside Open Water Swim Session and 370 Lakeside Triathlon/Duathlon/Aquabike/Aquathlon/Relay

0% + $2.50 Discount Per Event

Here’s what you get when you sign up for this race bundle:

370 Lakeside Triathlon
Saint Peters, MO 63376 US 09/12/2027

Pick

1

of the following events:

SUPER SPRINT INDIVIDUAL TRI — Sep 12, 2027 at 6:45am CDT
SPRINT INDIVIDUAL TRI — Sep 12, 2027 at 7:00am CDT
SPRINT PARA TRI — Sep 12, 2027 at 6:45am CDT
SPRINT COLLEGIATE TRI — Sep 12, 2027 at 7:00am CDT
SPRINT HIGH SCHOOL TRI — Sep 12, 2027 at 7:00am CDT
SPRINT PARA MY TEAM TRIUMPH — Sep 12, 2027 at 6:45am CDT
SPRINT AQUATHLON — Sep 12, 2027 at 7:00am CDT
SPRINT AQUABIKE — Sep 12, 2027 at 7:00am CDT
SPRINT DUATHLON — Sep 12, 2027 at 7:30am CDT
SPRINT RELAY TRI — Sep 12, 2027 at 7:00am CDT
OLYMPIC INDIVIDUAL TRI — Sep 12, 2027 at 7:00am CDT
OLYMPIC AQUABIKE — Sep 12, 2027 at 7:00am CDT
OLYMPIC DUATHLON — Sep 12, 2027 at 7:30am CDT
OLYMPIC AQUATHLON — Sep 12, 2027 at 7:00am CDT
OLYMPIC RELAY TRI — Sep 12, 2027 at 7:00am CDT
HALF INDIVIDUAL TRI — Sep 12, 2027 at 7:00am CDT
HALF AQUABIKE — Sep 12, 2027 at 7:00am CDT
HALF DUATHLON — Sep 12, 2027 at 7:30am CDT
HALF AQUATHLON — Sep 12, 2027 at 7:00am CDT
HALF RELAY TRI — Sep 12, 2027 at 7:00am CDT
5K RUN — Sep 12, 2027 at 7:30am CDT

Open Water Swim - 370 Lakeside Park
Saint Peters, MO 63376 US 09/11/2027

Open Water Swim Clinic Session at 370 Lakeside Park — Sep 11, 2027 at 10:30am CDT to 12:00pm CDT

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SUPER SPRINT INDIVIDUAL TRI

300 meter swim
23K bike
2 mile run

Open to ages 14+.

Start Time:: 6:45am CDT

Price:: $115.00 Race Fee + $10.43 SignUp Fee
Registration:: Price increases to $125.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$115.00 Race Fee + $10.43 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$140.00 Race Fee + $12.12 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$160.00 Race Fee + $13.47 SignUp Fee

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SPRINT INDIVIDUAL TRI

750M swim
23k bike
5k run

Open to ages 14+.

Start Time:: 7:00am CDT

Price:: $125.00 Race Fee + $11.11 SignUp Fee
Registration:: Price increases to $140.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$140.00 Race Fee + $12.12 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$155.00 Race Fee + $13.13 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$175.00 Race Fee + $14.48 SignUp Fee

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SPRINT PARA TRI

750M swim
23k bike
5k run

Open to ages 14+.

Start Time:: 6:45am CDT

Registration Limit:: 25 spots left.
Price:: $95.00 Race Fee + $9.08 SignUp Fee
Registration:: Price increases to $110.00 after September 5, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	September 5, 2027, 11:59pm CDT	$95.00 Race Fee + $9.08 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$110.00 Race Fee + $10.09 SignUp Fee

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SPRINT COLLEGIATE TRI

750 meter swim
23K bike
5k run

Open to ages 16 - 24.

Start Time:: 7:00am CDT

Price:: $75.00 Race Fee + $7.73 SignUp Fee
Registration:: Price increases to $95.00 after September 5, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	September 5, 2027, 11:59pm CDT	$75.00 Race Fee + $7.73 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$95.00 Race Fee + $9.08 SignUp Fee

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SPRINT HIGH SCHOOL TRI

750 meter swim
23K bike
5k run

Open to ages 14 - 19.

Start Time:: 7:00am CDT

Price:: $75.00 Race Fee + $7.73 SignUp Fee
Registration:: Price increases to $95.00 after September 5, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	September 5, 2027, 11:59pm CDT	$75.00 Race Fee + $7.73 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$95.00 Race Fee + $9.08 SignUp Fee

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SPRINT PARA MY TEAM TRIUMPH

750M Swim
23k Bike
3.1 mile run

Open to ages 14+.

Start Time:: 6:45am CDT

Registration Limit:: 25 spots left.
Price:: $95.00 Race Fee + $9.08 SignUp Fee
Registration:: Price increases to $115.00 after September 5, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	September 5, 2027, 11:59pm CDT	$95.00 Race Fee + $9.08 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$115.00 Race Fee + $10.43 SignUp Fee

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SPRINT AQUATHLON

Swim 750m
Run 5K

Open to ages 14+.

Start Time:: 7:00am CDT

Registration Limit:: 15 spots left.
Price:: $115.00 Race Fee + $10.43 SignUp Fee
Registration:: Price increases to $125.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$115.00 Race Fee + $10.43 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$140.00 Race Fee + $12.12 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$160.00 Race Fee + $13.47 SignUp Fee

Sign Up

SPRINT AQUABIKE

750M swim
23k bike

Open to ages 14+.

Start Time:: 7:00am CDT

Price:: $115.00 Race Fee + $10.43 SignUp Fee
Registration:: Price increases to $125.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$115.00 Race Fee + $10.43 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$140.00 Race Fee + $12.12 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$160.00 Race Fee + $13.47 SignUp Fee

Sign Up

SPRINT DUATHLON

2 mile Run | 23k Bike | 5k Run

Open to ages 14+.

Start Time:: 7:30am CDT

Price:: $115.00 Race Fee + $10.43 SignUp Fee
Registration:: Price increases to $125.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$115.00 Race Fee + $10.43 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$140.00 Race Fee + $12.12 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$160.00 Race Fee + $13.47 SignUp Fee

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SPRINT RELAY TRI

750M swim
23k bike
5k run

Open to ages 14+.

Start Time:: 7:00am CDT

Registration Limit:: 36 spots left.
Price:: $195.00 Race Fee + $15.83 SignUp Fee
Registration:: Price increases to $205.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$195.00 Race Fee + $15.83 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$205.00 Race Fee + $16.51 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$225.00 Race Fee + $17.86 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$245.00 Race Fee + $19.21 SignUp Fee

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OLYMPIC INDIVIDUAL TRI

Swim 1.5k
Bike 40k
Run 10k

Open to ages 14+.

Start Time:: 7:00am CDT

Price:: $135.00 Race Fee + $11.78 SignUp Fee
Registration:: Price increases to $155.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$135.00 Race Fee + $11.78 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$155.00 Race Fee + $13.13 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$170.00 Race Fee + $14.14 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$190.00 Race Fee + $15.49 SignUp Fee

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OLYMPIC AQUABIKE

Swim 1.5k
Bike 40k

Open to ages 14+.

Start Time:: 7:00am CDT

Price:: $125.00 Race Fee + $11.11 SignUp Fee
Registration:: Price increases to $145.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$145.00 Race Fee + $12.46 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$160.00 Race Fee + $13.47 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$180.00 Race Fee + $14.82 SignUp Fee

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OLYMPIC DUATHLON

5k Run | 40k Bike | 10k Run

Open to ages 14+.

Start Time:: 7:30am CDT

Price:: $125.00 Race Fee + $11.11 SignUp Fee
Registration:: Price increases to $145.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$145.00 Race Fee + $12.46 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$160.00 Race Fee + $13.47 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$180.00 Race Fee + $14.82 SignUp Fee

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OLYMPIC AQUATHLON

Swim 1500m
Run 10K

Open to ages 14+.

Start Time:: 7:00am CDT

Registration Limit:: 15 spots left.
Price:: $125.00 Race Fee + $11.11 SignUp Fee
Registration:: Price increases to $145.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$125.00 Race Fee + $11.11 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$145.00 Race Fee + $12.46 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$160.00 Race Fee + $13.47 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$180.00 Race Fee + $14.82 SignUp Fee

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OLYMPIC RELAY TRI

Swim 1.5k
Bike 40k
Run 10k

Open to ages 14+.

Start Time:: 7:00am CDT

Registration Limit:: 36 spots left.
Price:: $210.00 Race Fee + $16.84 SignUp Fee
Registration:: Price increases to $220.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$210.00 Race Fee + $16.84 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$220.00 Race Fee + $17.52 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$240.00 Race Fee + $18.87 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$260.00 Race Fee + $20.22 SignUp Fee

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HALF INDIVIDUAL TRI

1.2 mile swim
56 mile bike
13.1 mile run

Open to ages 14+.

Start Time:: 7:00am CDT

Price:: $200.00 Race Fee + $16.17 SignUp Fee
Registration:: Price increases to $220.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$200.00 Race Fee + $16.17 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$220.00 Race Fee + $17.52 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$240.00 Race Fee + $18.87 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$260.00 Race Fee + $20.22 SignUp Fee

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HALF AQUABIKE

Swim 1.2 mile
Bike 56 mile

Open to ages 14+.

Start Time:: 7:00am CDT

Price:: $165.00 Race Fee + $13.81 SignUp Fee
Registration:: Price increases to $180.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$165.00 Race Fee + $13.81 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$180.00 Race Fee + $14.82 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$190.00 Race Fee + $15.49 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$210.00 Race Fee + $16.84 SignUp Fee

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HALF DUATHLON

5k Run | 56 mile bike | 13.1 mile run

Open to ages 14+.

Start Time:: 7:30am CDT

Price:: $165.00 Race Fee + $13.81 SignUp Fee
Registration:: Price increases to $180.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$165.00 Race Fee + $13.81 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$180.00 Race Fee + $14.82 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$190.00 Race Fee + $15.49 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$210.00 Race Fee + $16.84 SignUp Fee

Sign Up

HALF AQUATHLON

Swim 1.2 miles
Run 13.1 miles

Open to ages 14+.

Start Time:: 7:00am CDT

Registration Limit:: 15 spots left.
Price:: $165.00 Race Fee + $13.81 SignUp Fee
Registration:: Price increases to $180.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$165.00 Race Fee + $13.81 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$180.00 Race Fee + $14.82 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$190.00 Race Fee + $15.49 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$210.00 Race Fee + $16.84 SignUp Fee

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HALF RELAY TRI

1.2 mile swim
56 mile bike
13.1 mile run

Open to ages 14+.

Start Time:: 7:00am CDT

Registration Limit:: 36 spots left.
Price:: $280.00 Race Fee + $21.57 SignUp Fee
Registration:: Price increases to $290.00 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$280.00 Race Fee + $21.57 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$290.00 Race Fee + $22.24 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$310.00 Race Fee + $23.59 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$330.00 Race Fee + $24.94 SignUp Fee

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5K RUN

Open to ages 14+.

Start Time:: 7:30am CDT

Registration Limit:: 49 spots left.
Price:: $30.00 Race Fee + $4.69 SignUp Fee
Registration:: Price increases to $32.50 after April 12, 2027 at 11:59pm CDT

Registration Starting	Registration Ending	Price
September 9, 2026, 12:03pm CDT	April 12, 2027, 11:59pm CDT	$30.00 Race Fee + $4.69 SignUp Fee
April 13, 2027, 12:00am CDT	July 29, 2027, 11:59pm CDT	$32.50 Race Fee + $4.86 SignUp Fee
July 30, 2027, 12:00am CDT	September 5, 2027, 11:59pm CDT	$35.00 Race Fee + $5.03 SignUp Fee
September 6, 2027, 12:00am CDT	September 11, 2027, 4:00pm CDT	$40.00 Race Fee + $5.37 SignUp Fee

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