Register For
370 Lakeside Triathlon

Saint Peters, MO 63376

Registrant #1

Login with your RunSignup account.

This will be the password for your RunSignup account.
Format: mm/dd/yyyy
Used for age group calculations
Valid formats include: 000-000-0000 or 0000000000

Choose Your Event *

$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 08/24/2025
Pick 1 event from this race:

  • $112.50

  • $122.50

  • $92.50

  • $72.50

  • $72.50

  • $92.50

  • $112.50

  • $112.50

  • $112.50

  • $192.50

  • $192.50

  • $132.50

  • $122.50

  • $122.50

  • $122.50

  • $207.50

  • $197.50

  • $162.50

  • $162.50

  • $162.50

  • $277.50

  • $27.50
Open Water Swim - 370 Lakeside Park
Saint Peters, MO 63376 US 08/23/2025
  • Open Water Swim Clinic Session at 370 Lakeside Park — Aug 23, 2025 at 10:30am CDT to 12:00pm CDT
    $22.50
Open to ages 14+.

$115.00 + $9.26 SignUp Fee

Open to ages 14+.

$125.00 + $9.94 SignUp Fee

Open to ages 14+.

$95.00 + $7.91 SignUp Fee

Open to ages 14+.

$75.00 + $6.56 SignUp Fee

Open to ages 14+.

$75.00 + $6.56 SignUp Fee

Open to ages 14+.

$95.00 + $7.91 SignUp Fee

Open to ages 14+.

$115.00 + $9.26 SignUp Fee

Open to ages 14+.

$115.00 + $9.26 SignUp Fee

Open to ages 14+.

$115.00 + $9.26 SignUp Fee

Open to ages 14+.

$195.00 + $14.66 SignUp Fee

Relay Team Pricing May Apply

Open to ages 14+.

$195.00 + $14.66 SignUp Fee

Open to ages 14+.

$135.00 + $10.61 SignUp Fee

Open to ages 14+.

$125.00 + $9.94 SignUp Fee

Open to ages 14+.

$125.00 + $9.94 SignUp Fee

Open to ages 14+.

$125.00 + $9.94 SignUp Fee

Open to ages 14+.

$210.00 + $15.68 SignUp Fee

Relay Team Pricing May Apply

Open to ages 14+.

$200.00 + $15.00 SignUp Fee

Open to ages 14+.

$165.00 + $12.64 SignUp Fee

Open to ages 14+.

$165.00 + $12.64 SignUp Fee

Open to ages 14+.

$165.00 + $12.64 SignUp Fee

Open to ages 14+.

$280.00 + $20.40 SignUp Fee

Relay Team Pricing May Apply

Open to ages 14+.

$30.00 + $3.53 SignUp Fee




If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.