The catalog
Destination mountain and trail ultras. Icon, destination, regional, and a couple of famous names people still search. Not every hundred on earth.
Full write-ups, dimensions, and outbound links. Filter if you already know the distance or the range.
45 scored races
Saint-Pierre to Saint-Denis, Réunion · France
Experienced mountain ultra runners who want a tropical, technical, culturally specific 180 km and will handle the long-haul logistics.
Demand
5 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Silverton, Colorado · United States
Mountain 100-mile runners who already know altitude, snow, and a 48-hour clock, and who want the San Juans more than a buckle photo.
Demand
5 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Courmayeur, Aosta Valley · Italy
Runners who already understand 100 miles and want the next problem: a week on the Aosta high routes, self-managed sleep, and a 150-hour clock.
Demand
5 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Olympic Valley to Auburn, California · United States
Runners who want the founding American 100, can handle canyon heat, and care about the sport's history as much as alpine scenery.
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Mount Princeton / Salida, Colorado · United States
Runners who want a true Colorado mountain 100 with community aid, alpine trail, and no World Series affiliation.
Demand
5 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Grindelwald, Bernese Oberland · Switzerland
Runners who want a 101 km under the Eiger more than they want Chamonix week, and who can handle alpine trail at that density of climb.
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Cortina d'Ampezzo, Dolomites · Italy
Runners who want the Dolomites more than a 100-mile identity, and who can handle technical limestone at night.
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Yoshida / Fuji-Five-Lakes, Yamanashi · Japan
Mountain 100-mile runners who want a loop of Fuji in late April and can handle Japanese trail at night, lottery included.
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Lake City, Colorado · United States
Runners who want the San Juans in a day, can handle 13,000-foot running, and do not need a 100-mile identity.
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
La Palma, Canary Islands · Spain
Mountain-trail runners who want a volcanic 73 km that climbs like a longer race, and who will take an island flight to get a caldera in the middle of the day.
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Worth the flight + fee
Kaysville to Soldier Hollow, Utah · United States
Experienced 100-mile runners who want a self-reliant mountain point-to-point with huge vert and Grand Slam history.
Demand
5 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Altadena, California · United States
Runners who want a Southern California mountain 100 with history, heat, and a 2026 course that admits fire and highway damage.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Dayton, Wyoming · United States
Self-reliant 100-mile runners who want a remote Wyoming out-and-back with limited crew and real singletrack.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Olympic Valley, California · United States
Technical mountain runners who want a skyrunning 46K in the Sierra and do not need a 100-mile identity to fly.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Easton, Washington · United States
Runners who want a Pacific Northwest 100 with community, technical trail, and a 2026 course honest about fire.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Pak Tam Chung, Sai Kung, Hong Kong · China
Technical trail runners who want a humid, stepped, coastal-mountain 100K in January, and who can live with a 2026 line shortened by landslides.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Gould, Colorado · United States
Mountain runners who want a high-alpine 100K in Colorado without a 100-mile lottery religion.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Williams, Oregon to Ashland, Oregon · United States
West Coast mountain 100-mile runners who wanted the Siskiyous point-to-point and understood it as a Koerner race, not a Life Time product.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Squamish, British Columbia · Canada
Mountain-trail runners who want a technical 50 miler under the Chief and will take a Vancouver flight to get it.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Finland to Lutsen, Minnesota · United States
Technical trail 100-mile runners who want rock and roots on the North Shore and do not need 10,000-foot passes to call it a mountain race.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Big Sky, Montana · United States
Technical mountain runners who want a skyrunning 50K on Lone Peak and will accept a Big Sky resort weekend to get it.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Stinson Beach, California · United States
Runners who want a coastal 100K with views that justify the flight, and who do not need 13,000-foot passes to feel they traveled.
Demand
3 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Rotorua, North Island · New Zealand
Runners who want a 100 miles of New Zealand lake and forest trail in February, and who already know this is not a Southern Alps mountain 100.
Demand
3 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Crystal Mountain, Washington · United States
Runners who want a mountain 50 with Rainier in the windshield and a course that does not require a 100-mile identity.
Demand
3 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Steamboat Springs, Colorado · United States
Runners who want a Colorado 100 with resort-town logistics and real vert, and who cannot get into High Lonesome or Hardrock.
Demand
4 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Mayer to Black Canyon City, Arizona · United States
Runners who want a fast, mostly downhill 100K in February with a Golden Ticket and a Phoenix flight, not a mountain test.
Demand
3 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
McDowell Mountain Regional Park, Arizona · United States
Runners who want a first or fast 100 in a social desert loop, a Golden Ticket shot, or a Halloween weekend they will actually remember.
Demand
3 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Snowbird, Utah · United States
Strong climbers who want a brutal 50K on Snowbird's ridges and will tolerate a UTMB World Series event to get it.
Demand
4 out of 5
How much it asks
Worth
2 out of 5
Worth the flight + fee
Foresthill to Auburn, California · United States
Runners who want a long day on the Western States Trail in spring and will tolerate a UTMB 100K to get it.
Demand
3 out of 5
How much it asks
Worth
2 out of 5
Worth the flight + fee
Fincastle, Virginia · United States
East Coast ultra runners who want a midnight December 66.6 with ice in the forecast and a Horton cutoff culture.
Demand
4 out of 5
How much it asks
Worth
4 out of 5
Worth the flight + fee
Blue Ridge, Georgia · United States
Experienced trail 100-mile runners in the South who want 33,000 feet of gain without a Colorado lottery, and who can handle humidity.
Demand
5 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Blairsville to Amicalola Falls, Georgia · United States
Southeastern trail runners who want a no-pacer 74-ish with a gimmick that is also a weight, and who already live within a day's drive.
Demand
4 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Fort Valley, Virginia · United States
East Coast mountain-trail runners who want a rocky 100 with a 36-hour cutoff and a club that has been telling the truth about the rocks for years.
Demand
4 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Healdsburg, California · United States
Northern California runners who want a hilly WSER-qualifying 100K in April, and who remember the 50 as the race this replaced.
Demand
3 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Silver Hill Meadow, Vermont · United States
Northeast runners who want a historic Grand Slam 100 on rollers, or anyone already in New England in July.
Demand
3 out of 5
How much it asks
Worth
3 out of 5
Worth the flight + fee
Leadville, Colorado · United States
Runners who specifically want the Leadville buckle, a high-altitude road-ish 100, or a first 100 where the hard part is air, not rock.
Demand
4 out of 5
How much it asks
Worth
2 out of 5
Worth the flight + fee
