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Built on bad decisions in Boulder, CO.

Leona Divide 100K

Basic Listing
  1. Keira Henninger Events
  2. 2027 Edition

62 miles of PCT terrain in the SoCal mountains — a Western States qualifier

Explore the Course
Interactive map with aid stations, elevation & weather
DirectionsExplore

Nearby races

Other trail races within 162 miles

Course map for Leona Divide 100 Mile

Leona Divide 100 Mile

100 Mile
Lake Hughes, CA, US
Apr 17, 2027
99.98 miles
15,680 ft gain
Out and Back
Crew
Pacers
Dropbags
Course map for Sean O'Brien 100K

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13,180 ft gain
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Course map for Angeles Crest 100 Mile Endurance Run
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Course map for Ray Miller Trail Races 50 Mile

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Course map for Pacific Trails California 50K

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Course map for Kodiak Ultra Marathons 100 Mile

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Course map for San Diego 100-Mile Endurance Run
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San Diego 100-Mile Endurance Run

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Crew
Pacers
Dropbags
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Course map for Cuyamaca 100K Endurance Run
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Cuyamaca 100K Endurance Run

100K
Descanso, CA, US
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62.82 miles
8,800 ft gain
Multiple Loops
Crew
Pacers
Dropbags
162 mi away
All trail races in California→
April 17, 2027
Saturday 7:30am PDT start
Lake Hughes, CA
United States
62.2 miles
Out and Back Course
9,560 ft
Elevation Gain
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Challenging
Some ultra experience recommended
Western States Endurance Run Qualifier
Links
WebsiteInstagramFacebook
1992
Established

What Makes It Great

The Leona Divide 100K covers 62 miles of Pacific Crest Trail terrain in the mountains north of Los Angeles, climbing 10,000 feet through chaparral, oak scrub, and high-desert ridgelines. The course shares much of its route with the 50M, but extends further south toward Agua Dulce before looping back through the same PCT corridors. Crews and pacers (100K runners only) can access Spunky Edison with a mandatory 1.7-mile hike-in. Finishers under 20 hours earn a Western States Endurance Run qualifier.

Difficulty

Intermediate
6/10

Some ultra experience recommended

Night Running
Steep Climbing
Remote Terrain
Sun Exposure

Leona Divide 100K

Lake Hughes, CA, United StatesApril 17, 2027

April 17, 2027

Leona Divide 100K is an out-and-back trail race in Lake Hughes, CA, United States, held on April 17, 2027. The course covers 62.2 miles, climbs 9,560 ft, and has a 32h cutoff.

Course map for Leona Divide 100K
DistDistance62.2 mi
GainElevation Gain9,560 ft
LimitCutoff32 h
Night RunningSteep ClimbingRemote TerrainSun Exposure

Entry Timeline

Race DayApril 17, 2027

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.
62.2 mi
Distance
Out and Back
Route
32h
Cutoff Time
3,796 ft
Average Elevation
9,560 ft
Total Ascent
9,560 ft
Total Descent
4,534 ft
High Point
3,015 ft
Low Point
Explore Course
Course map for Leona Divide 100K
Launch Course Explorer

Aid Stations & Cutoffs

LocationMileElevationCutoffCrewPacersDrop bags
Start
Start
0.03,268 ft—
7N01 Truck Trail
Landmark
3.43,891 ft—
San Fran Road Aid
Aid Station
7.53,399 ft—
Crew
Drop Bags
Spunky Edison
Aid Station
14.03,737 ft—
CrewHike in
Pacers
Bouquet Canyon
Aid Station
20.03,327 ft—
Spunky Edison
Aid Station
26.03,740 ft
13h7:30 PM
CrewHike in
Pacers
San Fran Road Aid
Aid Station
32.53,399 ft
19h15m1:45 AM +1
Crew
Pacers
Drop Bags
Lake Hughes Road Aid
Aid Station
40.03,058 ft
21h15m3:45 AM +1
Crew
Pacers
Drop Bags
Sawmill Road
Aid Station
48.33,271 ft
24h15m6:45 AM +1
Lake Hughes Road Aid
Aid Station
56.53,379 ft
28h45m11:15 AM +1
Crew
Pacers
Drop Bags
Finish
Finish
62.23,264 ft
32h2:30 PM +1
Crew
Drop Bags

Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.

Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.

No on-site camping available

Crew Access Points

Pacer Rules

  • Pacers allowed at Spunky Edison (miles 14 and 26) with mandatory 1.7-mile hike-in. No pacer vehicles allowed — violators are disqualified. Pacers do not need to pre-register.

Crew Rules

  • Crews allowed at San Fran Road (miles 7.5 and 32.5), Lake Hughes (miles 40 and 56.5), and the finish. 100K runners only may also have crews at Spunky Edison with mandatory 1.7-mile hike-in. Only one car per crew.
  • No crews at Bouquet Canyon or Sawmill under any circumstances. 50 Mile crews are NOT allowed at Spunky Edison.

Gear Rules

Trekking poles allowed

Required Gear

No required gear specified

Recommended Gear

No recommended gear specified

Videos from other Leona Divide events

Video thumbnail: Leona Divide Race Video
Leona Divide Race Video
Leona Divide 100 Mile
KH Races•2025
Video thumbnail: Keira Henninger on the History and Future of the Leona Divide
Keira Henninger on the History and Future of the Leona Divide
Leona Divide 100 Mile
The Ultra Running Guys•2023

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