Trail
Full Traverse
49,7 km
Start: 10. Aug., 05:00
Registration fee: 85,00 USD

Trail
Full Traverse
49,7 km
Start: 10. Aug., 05:00
Registration fee: 85,00 USD
Trail
Half Traverse
22,9 km
Start: 10. Aug., 05:00
Registration fee: 85,00 USD
A remote high‑alpine ridge traverse in Denali State Park known for dramatic terrain, big‑mountain views, and strict self‑sufficiency—no aid stations, mandatory gear, and tight cutoffs.
No aid stations on course. Spectators may hand off sustenance and drinks to racers anywhere on the course. Water sources are available on the first half; carrying and treating your own water is required.
Pacemaker groups (Pacerflaggen) align with start waves listed on the Renntag für Laufende. Pacers must carry a visible pacer identifier and follow combined registration + race-day timing rules.
Monatsdurchschnitte aus historischen Daten (2000–heute).
It means the Ancient One in Dena’ina language. Traditionally the area was used as caribou hunting grounds.
Dave Johnston the Elder (of Minus 148 Degrees fame) helped build the original trail in the mid-1970s, along with Pete Robinson, George Menard and the Youth Conservation Corps. It took 3-4 years to put in the basic trail. Brian Okonek had the idea to use Kesugi’s lateral moraine instead of some of the surrounding high country. Dave Johnston the Younger (of Iditarod Trail Invitational fame), along with Andrea Hambach, created the Kesugi Ridge Traverse race in 2013 and directed it the first three years.
Course conditions vary year-to-year. There may be mud, swamps, snowy trail, trail that is underwater, brush, creeks that are dry when previously wet, closure due to bear activity, and more. Please share reports of trail conditions for the race director to pass on. Denali State Park rangers (907-745-3975) may also be a source of information.
Because the race was moved from September to mid-August, snow is not expected — but that doesn’t mean it won’t exist. However, those training on the course should expect sections of snow until at least mid-June.
On September 12, 2015, the race featured hypothermia-inducing conditions (rain and sub-40-degree temperatures). Matias Saari became race director in 2016 and moved the date to August 21; that year the weather was inclement but not quite hypothermia-inducing (high 40s and rain). In hopes of better weather, and to be scheduled before most other long Alaska running races, Saari moved it to late June in 2017. When Saari became director of the Mount Marathon Race in 2020, the June date for Kesugi was too close to MMR’s July 4 date so he moved it back to August so it could be properly organized. Kesugi will remain in early- to mid-August for the foreseeable future.
Because Kesugi Ridge is a remote trail and hauling food and drink onto the course is not feasible. Volunteers are already hauling heavy packs with supplies to Ermine Hill Checkpoint. A standard race pack has plenty of room for food, drink and emergency gear. Also, spectators are allowed to hand off sustenance and drinks to racers anywhere on the course (spectators may not pace racers, however).
Cell coverage is spotty at best. Racers should not rely on it (although coverage improved on the ridge in 2025 with the addition of a nearby cell tower). Course volunteers are equipped with Garmin inReach devices and satellite phones.
Because it requires just as much organization as the Full Traverse does.
Yes, if they determine you are underprepared and unlikely to meet the cutoffs, they can turn you back at any time.
Headphones are discouraged. Participants need to be aware of other racers and of wildlife such as bears and moose.
Racers cannot bring dogs. Spectators can bring dogs but need to keep them under control.
There are no refunds, transfers or deferrals.
Yes, please do because it helps our planning and may enable someone on the waitlist to gain entry.
We have a group area at Byers Headquarters for Friday and Saturday nights of race weekend. It was greatly improved in 2020 and now has increased space that is suitable for car/camper camping and tent camping. There is no charge. RVs may NOT stay there. If you wish to stay at the main Byers Lake Campground (fees apply), be aware that it may fill to capacity on race weekend. Byers Lake also has several popular cabins available for rent.
The Denali Outpost, located a stone’s throw from the Ermine Trailhead, can be reserved on AirBnb HERE. Historic Chulitna River Lodge (Mile 156 near Ermine Trailhead) has a variety of lodging options HERE. Mary’s McKinley View Lodge (Mile 134.5) is another option. A fancier option is Mt. McKinley Princess Wilderness Lodge (Mile 133). There are also many pullouts along the highway where camping is possible. Lower Troublesome Creek (Mile 137.2) has some first-come, first-serve campsites. The Kesugi Ken Campground (Mile 135.4) has become popular and allows reservations for tent camping, RV camping and public use cabins.
Post-race shuttles will be available. There are no pre-race shuttles; racers are responsible for their own transportation to the Little Coal Creek start and should carpool due to limited parking there.
Yes, there will be an item of Kesugi swag for every participant and volunteer (race hats have proven to be popular). There will also be prizes for the top performers and potentially some randomly awarded prizes.
We have a barbecue every year and encourage both Full Traverse and Half Traverse racers and their supporters to attend. Burgers, snacks and drinks are provided.
For the FULL TRAVERSE, Olympic skier Scott Patterson ran 4:19:39 in 2020; this crushed his previous record of 4:38 set in horrendous conditions in 2015. Tracen Knopp has the second-fastest time of 4:29 in 2020. Yvonne Jeschke of Anchorage ran a remarkable 5:15:14 in 2025 to re-set the women’s record in the FULL TRAVERSE and place 3rd overall. That knocked more than 12 minutes off Christy Marvin’s previous record from 2018. For the HALF TRAVERSE, in 2022 Cody Priest knocked almost 10 minutes off Forrest Mahlen’s record with a time of 2:11:59. Tsaina Mahlen reset the women’s mark in 2021 in 2:34:12, which was just 27 seconds faster than Yvonne Jeschke that year.
Zuletzt aktualisiert: Jun 5, 2026, 11:37:48 PM
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