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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GCO Old Town Fair Oaks Street-O moved to:
November 15th (Sat)
from September 21st (Sun) due to park contruction delay issues
October 25th (Sat) - GCO Rossmor Bar
6 great courses in this interesting and runnable parkway woodland. Course Setter: Nic Weber, Event Director: Ryan Zahner
Everyone is welcome, including beginners with free, brief beginner instructions available.From U.S. Highway 50, take the Sunrise Blvd. off-ramp, heading north. Turn left onto Coloma Road. Turn right on Rossmoor Drive (!) to access the boat launch in the NW area of the park (NOT the El Manto Entrance this time).
Parking: Sacramento County Park Permit or $7 per Vehicle, payable in cash in an envelope at the entrance.
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October 26th (Sun.): BAOC - Open B-meet for none scouts and Scout Orienteering Championship at Briones Regional Park; Lafayette, CA.
31th Annual Scout-O champs and a 7-course B-event for all levels of none-scout racers.
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Saturday, Sunday & Monday 11/8 to 11/10 - 2025 Golden State Orienteering Champs, Fresno, CA.
The 2nd episode of the Golden State Orienteering Champs!
It's in Fresno again, since that is about equidistant from the Bay Area area and Los Angeles.
This year again it will be on 3 new maps, so this should be a fair competition.
The event is welcome to
Terraloco's Golden State Orienteering Champs 2025
.November 15th (Sat) - GCO Old Town Fair Oaks Street-O
Score-O event on the streets and in the parks in and around old town Fair Oaks. Sort of like a treasure hunt with questiosn that can only be answered by visiting the check point.
You can run individually or as a team. No control bag and no punches. Check point can be visited in any order. Race time is 90 min. Poiunts deducted for every minute past 90 min. Max time 120 min
Long run: Going for all the check points will mean 10-12 km of running Fun run: Finding 15 of the 30 check points will require 4-6 km of hiking
Location: Fair Oaks Village Park (off Main St and Temescal St) Restrooms, drinking fountains and EV-charging point are provided in the park
8:30- 9:15 Registration 9:15 Course instructions, maps handed out 9:30 Start 11:00 90 minute finish 11:30 Max time
NOTE! Minor changes may come to the race format
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November 16th (Sun.): BAOC - Shell Ridge Walnut Creek, CA.
B-meet, standard 7-course event for beginners through advanced orienteers. Everyone is welcome, including beginners with free, brief beginner instructions available. Pending park approval.
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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 Old Town Folsom O-Scramble!
Scramble style = find as many checkpoints as you can and return to the start/finish before time runs out. Mass start at 10:30 am. Time limit is 90 minutes. Penalty for Overtime. 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.