National Watermelon Day Run

Hartford, United States • 1 Aug 2026

National Watermelon Day Run : Hartford, WI (August 1, 2026)

The National Watermelon Day Run is a multi-event gathering at Pike Lake State Park, located at 3544 Kettle Moraine Rd in Hartford, Wisconsin. The program on August 1, 2026 includes a range of timed and non-timed formats and several distance options.

Distances:

  • 13.1 Miles
  • 6.2 Miles
  • 3.1 Miles
  • 0.6 Miles

Event formats include road and trail running, a race walk, and ruck options. A dedicated youth distance is listed as the Kiddos 1K and has a zero dollar registration fee. Other entry fees vary by event; examples from the schedule include $45 and $50 for half marathon entries and $32.50 for various 10K and 5K categories. Registration windows open in December 2025 for multiple events and close on different dates in spring and early summer 2026.

The course is described as a shaded, scenic trail within the park. Post-event amenities include ice-cold watermelon slices at the finish area. The schedule and mix of formats indicate the event is organized to accommodate family participation as well as separate competitive and non-competitive options. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
13 mi
Half Marathon - Early Start
6 mi
10k Ruck
6 mi
10k
3 mi
5k Walk
3 mi
5k Ruck
3 mi
5k Run
Kiddos 1k
Visit the organization's website for the most recent information.
Trail runs nearby

A prairie trail run and walk at Lapham Peak State Forest in Delafield supporting prairie management. The event features grass hiking and mountain bike trails, shirts for the first 100 participants, awards for run winners, and on-site regist..

A mixed relay in Brookfield with four 3K legs per team and an optional 6K two person relay. Entry is $25 or $20 for USATF members and proceeds support the Brookfield Central Cross Country team.

Timed 24 hour, 12 hour and 6 hour runs take place at Lapham Peak State Park on September 5 and 6, 2026, on a one mile loop with night lighting and chip timing. The event includes a cupless aid station and a Distance division.

Join this trail event at Minooka Park featuring half marathon 10K and 5K distances. Participants can choose between running walking and rucking on a scenic course with shaded trails and a notable hill challenge.

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