Endurance Grid lists 16 triathlons in Pennsylvania, from November 2026 to September 2027 across 12 cities.
The triathlon race calendar in Pennsylvania is busiest in June, May, and July, with races most often in Philadelphia.
A triathlon is three sports in one race — swim, then bike, then run, back to back, with two timed transitions in between. The sprint distance — a 750m swim, 20K bike, and 5K run — makes the sport more accessible than most people think.
The swim start is exciting and chaotic but finds a rhythm fast; the bike course is usually quiet; the run brings the crowds and the finish line. Beyond fitness, the transitions between disciplines are their own skill.
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