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March 26

McKeldin Finish off the month of March with some classic orienteering! We hope to see lots of folks out to experience McKeldin's hilly terrain and the challenging courses thanks to course designers Jan and Alexis Merka. Event timing will be standard (register any time between 10:45 - 1:15, start any time between 11 - 1:30, and finish and download no later than 3pm).

Any youth or large groups attending, please contact the Event Director so that we can coordinate pre-registration for your group; the group registration and waiver form is part of the information on our Group Leaders page.

If you are considering trying a harder level course than usual, you might want to consider it carefully since McKeldin is known for its rather steep terrain.

Note: there is a park entrance fee that will be collected (which should be $2 per vehicle for MD residents and $4 per vehicle for others, $10 per bus - these fees are valid until the end of March and will be higher for the summer). There may be someone there to collect it or it may be on the honor system with envelopes and a slot in a secure box to slip them through. If it's the latter, please do be honorable - clear evidence that orienteers didn't pay up might compromise our ability to keep orienteering in state parks.


Patapsco Valley State Park, McKeldin Area, Shelter 501, Marriottsville, MD (Classic)

RegistrationNo advance registration required. Just show up and have fun!
Start TimesYou may start your course at any time during the start window listed below for your event.
ScheduleSunday, March 26
11:00 am - 3:00 pmClassic:
Event Director:Dagmar (Dasa) Merkova
Course Designer:Jan Merka
Course Setter:Alex Merka
Location Details

Patapsco Valley State Park
McKeldin Area, Shelter 501
Marriottsville, MD
Google Map

From I-695/I-70 West take I-70 to Marriottsville Rd. (Exit 83). Go North on Marriottsville Rd. for 4 miles to the park entrance on the right. After paying park entrance fees, follow O-signs to shelter #501.

From I-70 East take Rt. 40 (Exit 82, Balt. Natl. Pike) to Marriottsville Rd. Turn left. Park entrance is 5 miles on the right. After paying park entrance fees, follow O-signs to shelter #501.

Course DetailsClassic
Course NameLength (km)Climb (m)No. Controls
White 2.8807
Yellow 2.71258
Orange 3.615011
Brown 4.625513
Green 5.734516
Advanced M2.71509
Course NotesClassic

Classic courses: White, Yellow, Orange, Brown and Green
Special course: Memory course (Advanced M)

The Memory course is supposed to be run without a map. At each control will be a map with the course and the runner can look at it and complete the leg from memory (using a compass is permitted). The Memory course is an advanced-level course and therefore recommended only for people who routinely run courses Brown and above.

Suggested course choices:

Normally run courseSuggested course(s)
BrownBrown or Memory
Green Brown + Memory or Green
Red Brown + Memory or Green + Memory
Blue Green + Memory

Terrain is very open with great visibility and very little nasty prickly vegetation (at least the thorns are short and rather weak). Expect the trails to be muddy due to recent snow.

Warning: Green and Brown course runners will cross the Marriottsville Rd twice. The road can be quite busy at times although on Sunday should be less so. Nevertheless, exercise caution when crossing the road! All runners will be crossing the road at the same two places and signs warning the drivers will be posted.

Entry FeesIndividual Entries

Note: juniors = under 21

Club Member, adult Club Member, junior Non-Member, adult Non-Member, junior
Epunch Owner $5 $5 $10 $5
Epunch Borrower $10 $5 $15 $10

Team or Group Entries

Participants are welcome to compete together as a single team entry. Teams containing one or more nonmembers are charged the nonmember individual rate. Teams containing one or more adults are charged the adult individual rate. For teams to receive member or junior rates, all members of the team must be members or juniors, respectively. Each extra team map beyond the first is an additional $2. Individuals or teams desiring to compete on a second course can do so for a reduced fee of $2/map.

Important Notes
  • At the event, we can only accept payment in cash or check; online, you may use a credit card or PayPal account.
  • If you have access to a smartphone, you may become a member at the event by joining online via this webpage (which also explains the member benefits). Membership is completely optional. If you wish to join or renew, we strongly recommend joining (or renewing) online before the event rather than at it to save time and because it's easier.
  • Most of our events use an 'epunch' timing chip for electronic timing. Individuals or groups without their own epunch pay a higher entry fee (see above), which includes the loan of an epunch for that event. Loaned epunches that are lost incur a $40 replacement fee. Epunches (also known as SI-cards or finger sticks) are usually available for sale at each event as described here.
  • Former QOC members who have let their membership lapse pay non-member fees.
  • Compasses are available at no charge, but if lost incur a $15 replacement fee.
  • Please provide collateral (driver's license or car keys) when borrowing a compass or epunch.
  • For additional safety, whistles are available for sale at $1/each.
  • Free beginner instruction is always available - just ask at the registration table.