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2014 Susitna 100 Course
All distances are approximate. Some are rounded up, some are rounded down. The total distance is very close to 100 miles. .
General Description See Su 100 Maps
The current 100-mile course has evolved through changes in availability of checkpoint locations. Attached to this document is a link to a map that depicts the Susitna 100 course. The rivers and lakes that are named in this description can be oriented to the U.S. Geological Survey's Tyonek Quadrangle, should the truly curious want a clearer picture of what the course looks like in, say, mid-July. In February, however, this country is reduced to two colors, white and green, and is typically framed by a blue sky. Thanks to drifting snow, the region's shallow topography is barely distinguishable. This classic rendering of winter in simple colors and contours is marred only the intrusion of four-foot wide snow machine trails that run for miles across lakes and rivers and through breaks in the tree line. You are grateful for these trails, because they provide the foundation that makes human-powered travel faster than would otherwise be possible.
The Susitna 100 starts at 9:00AM Saturday.
All Susitna 100 racers are required to check in at least 15 minutes before the start and declare a division. If some of your equipment did not pass inspection at the pre-race meeting, it will be checked after the 9:00AM start.
The race starts (and finishes) at Happy Trails Kennels mile 4.5 West Lakes Blvd, Big Lake Alaska. Allow two hours driving time from Anchorage.
Driving directions from Anchorage –
North on Hwy 1 (Glenn Highway), Hwy 1 turns into Hwy 3 (Parks Highway), go through Wasilla, turn left on Big Lake road at mile 52. Drive 3 ¼ miles on Big Lake Road, turn right on Beaver Lake Road, go 1 mile, turn left onto West Lakes Boulevard (long name, short sign "W.Lks.Blvd"). Approximately 4 ½ miles turn right at sign for Happy Trails Kennels.
2. HAPPY TRAILS KENNELS (HTK) TO AYRSHIRE RD:
After leaving the start at HTK the trail follows a series of swamps eventually connecting to (Big Lake Trails) ‘Trail #1’, continuing west, the trail turns into 'Trail #5' and then 'Trail #6'. Approximately 5 miles in, the course cross the Little Su, then go up and over 'Dead Dog Hill'. Take the first left onto the ‘Bud Smith’ trail heading south. This section crosses the Little Su again undulating over the next 5-6 miles to the four corners intersection.
Heading straight ahead through this intersection the trail continues a couple more miles turning left for a short section then right again leading to the Little Su boat Launch. Across the Little Su and follow the boat launch road to the intersection with Ayrshire Road.
Follow along Ayrshire Rd staying on the left shoulder to the parking lot approximately 100 yards from the intersection.
Do not travel on the road! We do not have permits or insurance that allows travel on the road. You will be disqualified if you run, ride, or ski on the road!
If you race isn’t going as planned at this point, this would be a good place to consider your options as this is the last road access point for many more miles!
3. AYRSHIRE RD TO FLATHORN LAKE:
After leaving The Ayrshire Rd parking lot you will cross the Boat Launch road heading straight ahead, the trail more or less becomes a continuation of Ayrshire Road, for about 5 miles, the trail then bears right onto seismic line headed west.
Approximately 5 more miles the trail enters the woods just prior to Flathorn Lake. A steep decent followed by a right hand turn leads you to the lake where the trail will take you to the far bank. Take care to stay off of the marked runways in this area. About ¼ mile up the shoreline you will find the Flat Horn Lake checkpoint in the red cabin beyond the silver house. This property is home of long-time race supporters Kirk and Peggy Garoutte. Please respect their property and relieve yourself only in the outhouse.
4. FLAT HORN LAKE TO THE WALL OF DEATH/SUSITNA RIVER:
Leaving the checkpoint, the course continues along Flat Horn Lake in a northwesterly direction. Two miles later, at the north end of the lake, the course parallels a meandering inlet creek. Follow the trail markers and stay off of the creek. After about 1/2 mile of travel through the woods, the trail opens up onto "The Dismal Swamp."
The Dismal Swamp is about 3 miles long and is appropriately named. Only the occasional scrawny black spruce tree belies the impression that you are on a lake. With the wind blowing hard from the North, as is tradition, this can be a brutal and disheartening section. Otherwise, the three miles is simply boring.
At the north end of the swamp, the trail takes you out of the wind and back into the forest for about 1.5 miles to the main Susitna River. Descend the steep drop – “Wall of Death”- onto the main channel of the Susitna River (locally called the Big Su).
5. WALL OF DEATH TO SCARY TREE:
Once you are on the Susitna River, head to the right (upstream). There will be many snowmobile trails here, so pay close attention to the Su 100 markers. About four miles upstream, you will come to a major intersection, the course turns right onto Kroto Slough leading toward Deshka landing. Once again, there will be many trails - we will mark the firmest trail. Please pay close attention and follow the Su 100 lath on the river in case we re-route the trail to avoid open water and overflow.
Advice on Traveling the Rivers-
The Rivers are a main transportation route to Skwentna and Yentna Station, as well as numerous cabins and fishing lodges. The trail is usually very firm due to high volumes of traffic. Expect snow machine and dogsled traffic..
At night, you will generally be alone except for other racers and race support. You are strongly discouraged from sleeping on Kroto Slough or Susitna Rivers. Not only is it much colder than other sections of the trail, but snow machines travel very fast along these rivers and may not see you. Keep a close eye for race markers.
6. SCARY TREE TO DESHKA LANDING/EAGLEQUEST LODGE:
Kroto Slough is a heavily used trail heading north toward Deshka Landing. You will be taveling this direction for about 10 miles. Kroto Slough will join the Big Su River, though you may not notice if it is dark. At this point the river is wide and the trail usually follows the east bank. Follow the signs and trail markers towards Deshka Landing. Coming off the river the race trail will turn right onto Corral Hill trail, this good size hill leads up to the Willow Swap trail system after about 2.5 miles. Stay to the left on the Willow Swamp loop following the markers to Eaglequest Lodge.
7. EAGLEQUEST LODGE TO COW LAKE:
After leaving the comfort of Eaglequest Lodge you will return to the Willow Swamp Loop turning left, following the loop clockwise. Take a left onto the Old Hunters trail after about three miles. In another three miles you will turn left again onto the Big Swamp Trail. Follow the makers as they leave the Big Swamp trail and take you over a short, steep hill to Cow Lake.
8. COW LAKE TO HTK/FINISH!!:
At the far end of Cow Lake the trail goes over a small hill to Little Cow Lake. Bearing left at the end of the lake you’ll take the Cow trail #10 towards Butterfly Lake and Gunmetal Lake eventually turning into Trail #4. After about 9 miles you will travel under the intertie (overhead power line) for about a mile or so and crossing the Little Susitna River. The race trail turns right again, shortly after which you will come to the Big Hunter Loop Tent/Water stop. After leaving the water stop the trail meanders through a big swamp following the Little-Su River to your right, eventually turning left onto a seismic line briefly before turning left again following more swamps and small lake eventually leading to Happy Trails Kennel.
Congratulations, you’ve made it!
Be sure to check in with the race official (wake them if necessary.)