The Arlington Triathlon: 7-8 Year Age Group

This age group swims 50 yds, bikes 1.4 miles, and runs 0.65 mile. Age group placement is calculated per USA Triathlon Rules as your age on December 31st, 2025. All participants must be annual members of USA Triathlon. Contact Usatriathlon.org/membership for additional information.

Open to ages 7 - 15.

Start Time:: 7:30am EDT
End Time:: 10:30am EDT

Price:: $115.00 Race Fee + $7.90 SignUp Fee
Registration:: Price increases to $130.00 after May 30, 2025 at 11:59pm EDT

Registration Starting	Registration Ending	Price
May 1, 2025, 12:00am EDT	May 30, 2025, 11:59pm EDT	$115.00 Race Fee + $7.90 SignUp Fee
May 31, 2025, 12:00am EDT	June 7, 2025, 5:00pm EDT	$130.00 Race Fee + $8.80 SignUp Fee

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The Arlington Triathlon: 9-10 Year Age Group

This age group swims 100 yds, bikes 2.8 miles, and runs 0.9 mile. Age group placement is calculated per USA Triathlon Rules as your age on December 31st, 2025. All participants must be annual members of USA Triathlon. Contact Usatriathlon.org/membership for additional information.

Start Time:: 7:30am EDT
End Time:: 10:30am EDT

Price:: $115.00 Race Fee + $7.90 SignUp Fee
Registration:: Price increases to $130.00 after May 30, 2025 at 11:59pm EDT

Registration Starting	Registration Ending	Price
May 1, 2025, 12:00am EDT	May 30, 2025, 11:59pm EDT	$115.00 Race Fee + $7.90 SignUp Fee
May 31, 2025, 12:00am EDT	June 7, 2025, 5:00pm EDT	$130.00 Race Fee + $8.80 SignUp Fee

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The Arlington Triathlon : 11-12 Year Age Group

This age group swims 150 yds, bikes 4.2 miles, and runs 1.15 miles. Age group placement is calculated per USA Triathlon Rules as your age on December 31st, 2025. All participants must be annual members of USA Triathlon. Contact Usatriathlon.org/membership for additional information.

Start Time:: 7:30am EDT
End Time:: 10:30am EDT

Price:: $115.00 Race Fee + $7.90 SignUp Fee
Registration:: Price increases to $130.00 after May 30, 2025 at 11:59pm EDT

Registration Starting	Registration Ending	Price
May 1, 2025, 12:00am EDT	May 30, 2025, 11:59pm EDT	$115.00 Race Fee + $7.90 SignUp Fee
May 31, 2025, 12:00am EDT	June 7, 2025, 5:00pm EDT	$130.00 Race Fee + $8.80 SignUp Fee

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The Arlington Triathlon: 13-15 Year Age Group

This age group swims 250 yds, bikes 5.6 miles, and runs 1.4 miles. Age group placement is calculated per USA Triathlon Rules as your age on December 31st, 2025. All participants must be annual members of USA Triathlon. Contact Usatriathlon.org/membership for additional information.

Start Time:: 7:30am EDT
End Time:: 10:30am EDT

Price:: $115.00 Race Fee + $7.90 SignUp Fee
Registration:: Price increases to $130.00 after May 30, 2025 at 11:59pm EDT

Registration Starting	Registration Ending	Price
May 1, 2025, 12:00am EDT	May 30, 2025, 11:59pm EDT	$115.00 Race Fee + $7.90 SignUp Fee
May 31, 2025, 12:00am EDT	June 7, 2025, 5:00pm EDT	$130.00 Race Fee + $8.80 SignUp Fee

Sign Up