General GCO Meet Details - how most meets work
Registration for most GCO events opens at 8:30 a.m. and closes at 10:30 a.m. Starting times are assigned from 9 to 11 a.m. Beginner Instruction is offered as requested. Courses close at 1.00 p.m.
Our fees: $10 for each adult and $5 for each child or youth (ages 7-18) for non-members and $8 for adults and $4 for children or youths for members of GCO or other Orienteering clubs.
A second course is $2 per person. You can also rent a compass for $1.
You can save time, particularly for groups, by filling out a Registration Form (left). Use ONE form for each individual or team going out together.
All upcoming GCO events
(and BAOC and Terraloco events of local interrest)
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Saturday 12/13/2025: Holiday Hustle Sac, Sacramento, CA.
Link to Terraloco's Holiday Hustle Sac 5k & 10K .
.December 21st (Sun) - GCO's X-mas O-Scramble in Old Town ROSEVILLE!
New location! New map! New adventures! Dwight is putting together another one of his beloved X-mas scrambles. This time in Old Town ROSEVILLE to keep things fresh and to give returning racers new challenges.
Scramble style = find as many checkpoints as you can and return to the start/finish before the 90 min time limit runs out. Start location: South end of Royer Park, on the north side of Douglas Blvd. and Park Dr. Plenty of free parking on the south side of Douglas in the Park-n-Ride lot.10:00 Registration starts 10:30 Score-O mass start 12:00 Score-O finish
Event Director and Course Setter: Dwight Freund.
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Come and have fun with us!
More scheduled events:
Abbreviations: W = White, Y = Yellow, O = Orange, Br = Brown, Gr = Green, R = Red, B = Blue,
ED = Event Director. CS = Course Setter.
White and Yellow are beginner courses. Orange is intermediate. Brown, Green, Red and Blue are all advanced courses with varying lengths and physical difficulty.
Scrambles (also known as Score-O) are mass-start events in which you find as many controls as possible, in any order, within the time limit.
All meets are tentative, subject to park approval!! Dates might be changed for various reasons, so always check here! Look for more details on the meets closer to the date.