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 Open-Meteo archive data for this event's race dates in Williamsport, plus the 3 days either side.
The sun rises at 5:55 AM and sets at 8:13 PM local time (EDT) in Williamsport on May 9, 2026 — 14h 18m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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2026 results — May Day 5k / 10k
10k VIRTUAL Run · 1 finisher
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Ann Vargeson | 1:01:14 | — |
Every finisher is on the results page, filterable by distance, gender and age group.
All results by year
Other races near Williamsport
Different organizers, within 40 miles, in the next three months
Pie Day 5k Run / Walk
Rosko's Black Friday 1K
Alpha Chi 5k
Frostbite 5-Mile Run & Penguin 5K Walk
🏃 Plan Your Next Race in Williamsport
Find upcoming events by distance:
- Williamsport 5K Races 7 races
- Williamsport Running Calendar 2026 9 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 9 Williamsport events
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