10K GENERAL INFO
Date: June 20, 2026
Start/Finish Location: Lake Siskiyou, south end of Box Canyon Dam
Start Time: 9:00 AM (no early start)
Finish Cutoff Time: 12:00 PM
Headwaters Trail Runs is a cupless event. Runners will need to carry with them a water bottle, hydration bladder, collapsible cup or other means to receive drink aid at the aid stations.
Start/Finish Location: Lake Siskiyou, south end of Box Canyon Dam
Start Time: 9:00 AM (no early start)
Finish Cutoff Time: 12:00 PM
Headwaters Trail Runs is a cupless event. Runners will need to carry with them a water bottle, hydration bladder, collapsible cup or other means to receive drink aid at the aid stations.
10K REGISTRATION
Online registration closes Thursday prior to the race.
In-person registration is available Friday, June 19th only at The Fifth Season (300 N Mt Shasta Blvd.) from 12:00 PM - 5:00 PM.
Day-of-race registration is not available.
Kids under 13 years old on race day run the 10k for free. To register a child for the 10k, send an email to [email protected] with "Kids 10k registration" in the subject line. No additional info is necessary. You will receive a reply with a registration form for the child which must be completed and returned via email by the Thursday prior to race day at 11:59 PM.
In-person registration is available Friday, June 19th only at The Fifth Season (300 N Mt Shasta Blvd.) from 12:00 PM - 5:00 PM.
Day-of-race registration is not available.
Kids under 13 years old on race day run the 10k for free. To register a child for the 10k, send an email to [email protected] with "Kids 10k registration" in the subject line. No additional info is necessary. You will receive a reply with a registration form for the child which must be completed and returned via email by the Thursday prior to race day at 11:59 PM.
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Registration fees*:
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Registration fee includes:
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10K PRE-RACE T-SHIRT PICKUP
Pre-race t-shirt pickup and race info is available the Friday before the race from 12:00 PM - 5:00 PM at The Fifth Season store in downtown Mount Shasta City (300 N Mt Shasta Blvd.). Please note: All race bibs will be distributed to runners on race morning prior to the start of each race.
All race bibs and final t-shirt pickup will be at the race's start/finish area 8:00 AM - 8:45 AM.
Please arrive early to provide time to walk the 1/4-mile from the parking area and get your bib prior to the race.
All race bibs and final t-shirt pickup will be at the race's start/finish area 8:00 AM - 8:45 AM.
Please arrive early to provide time to walk the 1/4-mile from the parking area and get your bib prior to the race.
10K AWARDS & MEDALS
Top 3 overall female and male receive awards from our sponsors.
Top 3 female and male in each 10-year age group receive age group awards.
All finishers receive a finisher's medal.
Top 3 female and male in each 10-year age group receive age group awards.
All finishers receive a finisher's medal.
10K COURSE MAP
COURSE MAP:
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10k GPX FILE:
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10k PDF FILE:
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10K AID STATION
There is one aid station serving water and electrolyte drink along the 10k course.
Headwaters Trail Runs is a cupless event. Runners will need to carry with them a water bottle, hydration bladder, collapsible cup or other means to receive drink aid at the aid stations.
Headwaters Trail Runs is a cupless event. Runners will need to carry with them a water bottle, hydration bladder, collapsible cup or other means to receive drink aid at the aid stations.
- RIVER DELTA -Aid Station #1 Total mileage: 3.6 miles Distance to next: 3.0 miles Cutoff time: 10:30 AM Drop bags allowed: No Crew access: No Toilets: Yes |
- FINISH -Total mileage: 6.6 miles Cutoff time: 11:45 PM |
10K CREW AND PACERS
Crews and pacers are not allowed on the 10k course.
10K DOG POLICY
Dogs are allowed to run the 10k course. If you choose to run with your dog, your pet is solely your responsibility. Please ensure that your pet is properly trained for the distance, and avoid putting her/him at risk. You must keep your pet leashed during the run, pick up after your pet, and respect other trail users. Runners with dogs must yield to those runners without dogs.
10K DRIVING DIRECTIONS
- From I-5 Exit #738, head west on W Lake Street toward W Jessie Street for 0.2 miles.
- Continue west on W Jessie Street/Hatchery Lane, go 0.2 miles.
- Turn left at the stop sign onto S Old Stage Road, go 0.2 miles.
- Veer slight right onto WA Barr Road, go 1.9 miles.
- Turn left into the Lake Siskiyou Dam Parking Lot just north of Box Canyon Dam.
- From Lake Siskiyou Dam Parking Lot walk 0.25 miles south across Box Canyon Dam to the race start/finish area.
- Additional parking is located at Cable Beach Parking Lot, another 0.4 miles past Lake Siskiyou Dam Parking Lot.
- Cable Beach Parking Lot is located southwest of Box Canyon Dam.
- From Cable Beach Parking Lot walk 0.25 miles east along Lake Siskiyou trail to the race start/finish area.
- Overflow parking is located along Ney Springs Road.
- From Ney Springs roadside parking, walk the road to Cable Beach parking, then 0.25 miles east along Lake Siskiyou trail to the race start/finish area.
Google maps link: https://maps.app.goo.gl/yh5o2TC5vvjyxbgC9
DRIVING DIRECTIONS TO START PDF:
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