Waves of Change for Operation Delta Dog
About this race
This Memorial Day Weekend, please join us on Sunday May 24th, 2026 for the inaugural 5k trail run to support Operation Delta Dog. The race route will take you through Groton's scenic General Field along wooded trails and open pastures. Register by May 1st to get a t-shirt. Limited parking is available.
Operation Delta Dog rescues and trains homeless dogs as service companions for veterans with Post Traumatic Stress Disorder (PTSD), Traumatic Brain Injury (TBI), and Military Sexual Trauma (MST), at no cost.
Pick your distance
Running
5k Trail Run
Typical race-day weather
Based on 1 year of Open-Meteo archive data for this event's race dates in Groton, plus the 3 days either side.
The sun rises at 5:15 AM and sets at 8:10 PM local time (EDT) in Groton on May 24, 2026 — 14h 54m 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.
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Other races near Groton
Different organizers, within 40 miles, in the next three months
Ayer Fire Department Thanksgiving Day 5K
Journey Home Road Race
Dunstable Oktoberfest 5K -
"The Eleven" Memorial Ruck
🏃 Plan Your Next Race in Groton
Find upcoming events by distance:
- Groton 5K Races 2 races
- Groton Running Calendar 2026 4 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, 4 Groton events
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