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RunningRace day in 54 days

National Watermelon Day Run

Date
August 1, 2026
Distance
Half Marathon · Half Marathon - Early Start · 10K & more
Register →

From the Organizer

National Watermelon Day Run 🍉🏃‍♀️

Celebrate summer’s sweetest day with a refreshing run or walk at the National Watermelon Day Run! Whether you’re here to race, stroll, or just enjoy a slice of fun, this event is the perfect way to beat the heat and celebrate all things watermelon.

Event Highlights:

  • Distance Options: 5K, 10K, or Half Marathon—something for every level of runner or walker.
  • Post-Race Watermelon: Cool off and refresh with juicy, ice-cold watermelon slices at the finish line.
  • Scenic Course: Enjoy a beautiful, shaded trail that keeps you close to nature.
  • Family-Friendly Fun: Bring the whole crew for a day of running, walking, and watermelon-filled memories.

Whether you’re a competitive runner or just in it for the watermelon, this fun-filled event will leave you smiling, satisfied, and a little sticky. Join us for the National Watermelon Day Run—a sweet way to celebrate summer! 🍉🎉

Events

Half Marathon8 AMRegister →
Half Marathon - Early Start7 AMRegister →
5K Run8 AMRegister →
5K Walk8 AMRegister →
5K Ruck8 AMRegister →
10K Ruck8 AMRegister →
Kiddos 1K7:45 AMRegister →

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

80°

Typical Low

58°

Chance of Rain

30%

Based on US Climate Normals data from Hartford Wwtp, 2 mi from the venue.

Sunrise 5:44 AMSunset 8:17 PMDaylight 14h 33m

Host City

About Hartford, WI

Population

15,761

as of 2023

Elevation

997 ft

Nearest Airport

MKE

General Mitchell International Airport · 35 mi

Time Zone

Central Time

From Endurance Grid

A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at National Watermelon Day Run, put it on the calendar, and turn “someday” into a start date.

54

Days to train

Race
National Watermelon Day Run
Date
August 1, 2026

From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the National Watermelon Day Run?
National Watermelon Day Run is a running race held in Hartford, Wisconsin on August 1, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the National Watermelon Day Run?
Saturday, August 1, 2026 in Hartford, Wisconsin at 3544 Kettle Moraine Rd, Hartford, WI. Check the event page for exact start times and wave schedules.
How do I register for the National Watermelon Day Run?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

National Watermelon Day Run

Aug 1, 2026

Register →