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Welcome to the 46th Annual Marshalton Triathlon
For 46 years, the first Sunday of October has been known as Marshalton Triathlon day. On this day individuals, families and teams gather in the quaint village of Marshallton to participate in this premier community sporting event.
First run in 1973, the race is considered one of the longest running triathlons in the country. The race course travels through scenic Chester County and provides all levels of challenge for participants.