NK50k

About this race

UltraSignup listed distances: 50K, 25K. Official website: https://greenbushtrailrunners.blogspot.com/. Registration source: https://ultrasignup.com/register.aspx?eid=6289.

Is this race a fit?

These notes are generated from listed Sunday Marathon race facts. They are meant for shortlisting and planning, not as a replacement for official organizer instructions.

• Date And Schedule

  NK50k is currently listed for April 3, 2027, which makes the April planning window important for training and travel. Recheck official timing before race week.

• Location Base

  Plan around Greenbush, Wisconsin, United States, then verify the exact start area, finish area, packet pickup, and post-race exit route before booking non-refundable travel.

• Course Fit

  Listed course signals include road surface. Use them to compare effort, pacing risk, and training fit before relying on the race for a specific goal.

• Entry Readiness

  A registration path is listed; review entry rules, refund terms, and transfer policies before paying.

Key facts

Date

April 3, 2027

Location

Greenbush, Wisconsin, United States

Events

50K, 25K

Surface

Road

Official source

Registration page & official site

Listing status

updated May 24, 2026

Before you register

• 1
  Confirm the race-day schedule

  Verify the April 3, 2027 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.

• 2
  Pin the exact start area

  Use Wisconsin as the planning region, then confirm the precise start, finish, parking and transport with the organizer.

• 3
  Pick your distance

  Listed options are 50K, 25K. Check the source for current per-distance availability and limits.

• 4
  Review entry terms

  Read entry rules, refund terms, participant limits and transfer rules before you pay.

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