OrienteeringUSA Masters National Championships

Mille Lacs Kathio State Park
Mille Lacs County, Kathio State Park Rd
Kathio Township, MN 56359

October 9 and 10, 2021



MNOC is excited to host the OrienteeringUSA Masters National Championships at Mille Lacs Kathio State Park. This is a two-day, classic-format competition on Saturday and Sunday, October 9 and 10, 2021. The event will have scheduled starts based on pre-registration with day-of registration allowed until all time slots are filled. This event is open to all orienteers regardless of age or skill level and is a National Ranking Event for all age classes.


Learn more about OrienteeringUSA.


Mille Lacs Kathio is a park with very interesting intricate glacial kettle moraine terrain. It is also an area rich in Native American history as it is home of the Dakota people and site of the Petaga Point archeological site. Learn more about this fascinating park here!


Two-day classic orienteering meet with White, Yellow, Orange, Brown, Green, Red, and Blue Courses (All Skill Levels). To find out more about these courses, see our Event Types page.



Friday, October 8

  • Registration/Check-In: 5 - 8 pm (location TBD)

Saturday, October 9

  • Registration/Check-In: 8 am (Mille Lacs Kathio State Park. Exact location will be posted the week of the event)

  • Event Starts: 10 am - 12 pm

Sunday, October 10

  • Registration/Check-In: 8 am (Mille Lacs Kathio State Park. Exact location will be posted the week of the event)

  • Event Starts: 10 am - 12 pm

  • Awards: 2 pm


Early Pricing:* (Through July 10, 2021)

  • $40: Adults

  • $15: Juniors**


Regular Pricing:* (July 11 - Sept. 20, 2021)

  • $50: Adults

  • $20: Juniors**

Late Pricing:* (Sept. 21 - October 1, 2021)

  • $60: Adults

  • $25: Juniors**


*$4 discount for OUSA members ($2 for Juniors)

**Juniors are 20 years old and under

*$5 discount for multi-day registration. Day-of registration not eligible for multi-day discount, and pays the late registration price.



For location information and driving directions, use this link.


US Masters Championship medals will be awarded to US citizens and US permanent lawful residents who are OUSA members in all age groups 35+. NOTE: Eligibility for national championship awards requires preregistration.

To receive awards in the Masters, one has to race both days in the same age and gender appropriate class. One can run up a class or more, but would have to run up in the same class both days.

OUSA Rules

OUSA rules can be found here.


MNOC is exploring group discounts and block reservations. Information will be posted soon.



Unofficial live results will be available on a monitor at the event, and also posted online, pending an adequate mobile phone signal. Official race results will be published within 24 hours of the event. View our Race Results page to see the results.



  • Race Director: Peter Wentzel

  • Course design: Owen Baird and Peter Curtis

  • Set/Vet Team:  Peter Wentzel and Chris Polston

  • Mapping: Ian Harding



If you have any questions or comments about this event, please feel free to Contact Us.

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