Mutts & Mayhem
Mutts & Mayhem logo

Mutts & Mayhem

Greenfield, Massachusetts, United States View on map
May 17, 2026 (America/New_York local time)
Obstacle race

About this race

The Greenfield Recreation Department is excited for Mutts and Mayhem, an approximately 1.5 mile canine and companion obstacle course race! The race will feature fun and exciting challenges for both people and their furry friends and will leave spectators shouting “Oh My Dog”!

The event will be held at the Green River Swim Area on Sunday, May 17th beginning at 11:00am and will feature timed racing, local dog oriented vendors, prizes, and all around fun! Work your tail off with your dog as you traverse the river, jump over barriers, and go through hoops to compete for the quickest time. 

REGISTRATION

SMALL DOG (UP TO 40 LBS)

(Small Dog = up to 40 lbs) Conquer 20 obstacle stations along an approximate 1.5 mile course route with your leashed dog! Awards Ceremony to crown Champions. Reward your efforts with a post-race “rinse off”, enjoy a snack or treat, check out the vendors, take photos and celebrate your success!

Start Time: 11:00am

Price: $40.00 Pre-Registration by Friday, May 15th/ $50.00 Day of. 

LARGE DOG (40+LBS)

(Large Dog = 40+ lbs) - Conquer 20 obstacle stations along an approximate 1.5 mile course route with your leashed dog! Awards Ceremony to crown Champions. Reward your efforts with a post-race “rinse off”, enjoy a snack or treat, check out the vendors, take photos and celebrate your success! 

Start Time: Following Small Dog Start

Price: $40.00 Pre-Registration by Friday, May 15th/ $50.00 Day of. 

RULES & SAFETY

  1. All dogs must be at least 1 year old on race day.
  2. Human participants must be at least 10 years old and each participant may only run 1 dog in the race.
  3. Your dog must be licensed, up to date on all vaccinations, and have no health complications that would prevent them from competing. *Vet records and dog licenses will not be required at the registration/ check-in table; however, we recommend having a photo of them on your phone in case an issue arises.
  4. All dogs MUST be kept on a leash at ALL times, including before and after the race. Please use a standard leash. No retractable leashes allowed. A harness rather than a collar is recommended!
  5. Dogs must be comfortable, confident, and secure around other dogs and people.
  6. You will have two chances to complete an obstacle. If you or your dog cannot complete an obstacle after your first attempt, you can go to the end of a line and try again or step to the side of the station and complete the designated penalty activity to continue. After a failed second attempt, you may move on to the next obstacle.
  7. If after attempting an obstacle and your dog refuses, NEVER force your dog to complete it. Instead, participants can opt to complete the designated penalty activity as a time penalty.
  8. Participants must clean up after their dogs. Waste receptacles will be located at obstacles for poop bag disposal.
     

Pick your distance

Obstacle race

Small Dog (Up to 40 lbs)

Conquer 20 obstacle stations along an approximate 1.5 mile course route with your leashed dog!

May 17, 2026 2.4K 11:00 AM
$50.00
Closed

Large Dog (40+ lbs)

Conquer 20 obstacle stations along an approximate 1.5 mile course route with your leashed dog!

May 17, 2026 2.4K 11:00 AM
$50.00
Closed

Typical race-day weather

Based on 5 years of Open-Meteo archive data for this event's race dates in Greenfield, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 10.7° / Maximum temperature (race-week average) 22.7°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 9.2° / Maximum feels like — heat index / wind chill (race-week average) 24.2°
Peak wind (km/h)
Strongest wind of the day (race-week average)
16.4
Precip (mm)
Precipitation over the day (race-week average)
2.7mm
Humidity
Mean relative humidity (race-week average)
71.4%
Sunrise
Sunrise at the start line on May 17, 2026 (EDT)
Sunset
Sunset at the start line on May 17, 2026 (EDT)
Daylight
Hours between sunrise and sunset on race day
14h 41m

The sun rises at 5:25 AM and sets at 8:07 PM local time (EDT) in Greenfield on May 17, 2026 — 14h 41m 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 Greenfield

Different organizers, within 40 miles, in the next three months

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 Greenfield events

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