34K General info
Date: June 21, 2025
Start/Finish Location: Lake Siskiyou, south end of Box Canyon Dam
Start Time: 8:00 AM (no early start)
Finish Cutoff Time: 4:00 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: 8:00 AM (no early start)
Finish Cutoff Time: 4:00 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.
34K REGISTRATION
Online registration closes: June 19, 2025.
In-person registration is available Friday, June 20th only at The Fifth Season (300 N Mt Shasta Blvd.) from 12:00 PM - 5:00 PM.
Day-of-race registration is not available.
In-person registration is available Friday, June 20th only at The Fifth Season (300 N Mt Shasta Blvd.) from 12:00 PM - 5:00 PM.
Day-of-race registration is not available.
Registration fees*:
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Registration fee includes:
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34K 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 7:00 AM - 7:45 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 7:00 AM - 7:45 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.
34K 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.
34K COURSE Map & PROFILE
COURSE MAP:
34k GPX FILE:
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34k PDF FILE:
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34k ELEVATION PROFILE (approximately 4,100' total elevation gain):
34K Aid Stations
There are two full aid stations and one water-only aid station along the 34k course. The distance between aid stations ranges from 2.9 miles to 7.7 miles.
Drop bags are not allowed for the 34k race.
Standard aid station fare will be provided, including sweet, salty, and savory snacks, gels, electrolyte drink, electrolyte capsules, and water.
Headwaters Trail Runs is a cupless event. Runners will need to carry with them a water bottle, hydration bladder, or collapsible cup (see HydraCup or UltrAspire), or other means to receive drink aid at the aid stations.
Drop bags are not allowed for the 34k race.
Standard aid station fare will be provided, including sweet, salty, and savory snacks, gels, electrolyte drink, electrolyte capsules, and water.
Headwaters Trail Runs is a cupless event. Runners will need to carry with them a water bottle, hydration bladder, or collapsible cup (see HydraCup or UltrAspire), or other means to receive drink aid at the aid stations.
- RAINBOW RIDGE -Aid Station #1 Total mileage: 4.1 miles Distance to next: 7.7 miles Cutoff time: 9:45 AM Drop bags allowed: No Crew access: No Toilets: No - DELTA -Aid Station #3 WATER ONLY Total mileage: 17.9 miles Distance to next: 2.9 miles Cutoff time: 2:00 PM Drop bags allowed: No Crew access: No Toilets: Yes |
- NORTH FORK - Aid Station #2 Total mileage: 11.8 miles Distance to next: 6.1 miles Cutoff time: 12:00 PM Drop bags allowed: No Crew access: Yes Toilets: Yes - FINISH -Total mileage: 20.8 miles Cutoff time: 3:00 PM |
34K RUNNER CREWS
Crews may only assist their runners within 100 feet of the North Fork aid station.
Pacers are not allowed on the 34k course.
Driving directions to North Fork Aid Station (low clearance vehicles not advised):
Google maps link: https://maps.app.goo.gl/T2c3h97qkPdajCn98
DRIVING DIRECTIONS TO NORTH FORK AID STATION PDF:
Pacers are not allowed on the 34k course.
Driving directions to North Fork Aid Station (low clearance vehicles not advised):
- From the Headwaters Start/Finish, drive west on WA Barr Road for 5.5 miles.
- Turn right on Forest Service Route 41N53 (dirt, low clearance vehicles not advised), go 0.25 miles.
- Stay right at fork, continue on 41N53 for another 2.5 miles.
- Continue straight (right) on 41N53 for another 1.1 miles.
- Continue straight (right) on 41N53 for another 0.8 miles to North Fork Aid Station.
Google maps link: https://maps.app.goo.gl/T2c3h97qkPdajCn98
DRIVING DIRECTIONS TO NORTH FORK AID STATION PDF:

driving_directions_to_north_fork.pdf |
34K DOG POLICY
Dogs are allowed to run the 34k 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.
34K TRAINING RUN
SATURDAY MAY 17, 2025
21-miles
We will run the entire 34k course from start to finish. This run has approximately 4,000’ of elevation gain (3,200’ – 5,300’).
This is a self-supported run - there will not be aid along the course. However, there is a reliable natural spring at about 9-miles. This is a natural water source – bring a water filter or drink at your own risk.
Saturday's meet-up instructions:
Meet at the Box Canyon Dam parking area at 8:00 AM.
Saturday's driving directions: https://maps.app.goo.gl/zLTAi5gqMDGW2ZQq6
Saturday Training Run GPX File:
21-miles
We will run the entire 34k course from start to finish. This run has approximately 4,000’ of elevation gain (3,200’ – 5,300’).
This is a self-supported run - there will not be aid along the course. However, there is a reliable natural spring at about 9-miles. This is a natural water source – bring a water filter or drink at your own risk.
Saturday's meet-up instructions:
Meet at the Box Canyon Dam parking area at 8:00 AM.
Saturday's driving directions: https://maps.app.goo.gl/zLTAi5gqMDGW2ZQq6
Saturday Training Run GPX File:

headwaters_saturday_training_run.gpx |
DRIVING DIRECTIONS TO START
- 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:

driving_directions_to_start.pdf |