May Day 5k / 10k
About this race
Race day registration and sign-in is open from 7:00AM to 8:45AM
Registration: Pre-reg $25. Race Day Registration $30. Race shirts guaranteed to anyone that signs up by April 26
The May Day Race is in its 28th year with all proceeds going to the American Cancer Society. Our family-friendly race welcomes beginner, recreational and experienced runners and walkers. Chip timing and long-sleeve technical shirts.
All registrants will be entered to win post-race door prizes.
The run/walk will start and finish at WaterTower Square, located on Commerce Park Drive in Loyalsock Township (Williamsport). The course is a flat course with a turn-around at the half-way point for the 5K and the 10K. Water stations are located at the 1.5 mile, 3 mile and 4.5 mile markers.
BACK AGAIN IN 2026! We will be offering a virtual run for $25 without a shirt and $30 with a shirt. Event shirt will be mailed out after race day. All virtual runners will be placed into a random drawing. The winner of each race distance will receive a free entry into the 2027 event.
Pick your distance
Running
5k Run
10k Run
5k VIRTUAL Run
5k VIRTUAL Walk
10k VIRTUAL Run
Walking
5k Walk
Typical race-day weather
Based on 11 years of historical conditions on this event's race dates in Williamsport.
About Williamsport
May Day 5k / 10k takes place in Williamsport, Pennsylvania, United States. The local timezone is America/New_York.
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🏃 Plan Your Next Race in Williamsport
Find upcoming events by distance:
- Williamsport 5K Races Best Williamsport routes for beginners and speed work.
- Williamsport Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
