The trails: the documented races
34 races documented at this distance, across 4 countries. What the distance asks of you is explained in the guide; the race pages say what each race asks on top of that.
United States
Bandera · United StatesUltra
HOKA Bandera Endurance Trail Race
January
The HOKA Bandera Endurance Trail Race is a trail and ultra weekend held in Bandera, Texas, inside the Hil
Mayer / Black Canyon City · United StatesUltra
Black Canyon Ultras
Feb 13
The 100K is a Golden Ticket race for the Western States 100.
Cool · United StatesTrail
Way Too Cool 50K
Mar 6
The Way Too Cool 50K is a 50 km trail race with 1,210 m of vertical gain held in Cool, California. It run
Bellingham · United StatesTrail
Chuckanut 50K
Mar 20
The Chuckanut 50K is a 50 km trail race with 1,567 m of climbing, held in Bellingham, Washington State. F
Geyserville · United StatesUltra
Lake Sonoma 100K
Apr 10
Completing the 100 km course in under 19 hours qualifies a runner for the Western States 100.
Auburn / Foresthill · United StatesUltra
The Canyons Endurance Runs by UTMB
Apr 22
A UTMB World Series stop, it offers four distances from 25K to 100M.
Black Canyon City → Flagstaff · United StatesUltra
Cocodona 250
May 2
The Cocodona 250 crosses Arizona from south to north, starting in Black Canyon City and finishing in Flag
Dayton / Sheridan · United StatesUltra
Bighorn Mountain Wild and Scenic Trail Run
June
The Bighorn Mountain Wild and Scenic Trail Run is a trail and ultra event held between Dayton and Sherida
Mill Valley / Stinson Beach · United StatesTrail
Dipsea Race
June
9 km trail race from Mill Valley to Stinson Beach, California. First run in 1905, it is the oldest trail
Seward · United StatesTrail
Mount Marathon Race
Jul 4
The Mount Marathon Race is a 5 km mountain race held in Seward, Alaska, every July 4. Runners climb and t
Leadville · United StatesUltra
Silver Rush 50 Run
Jul 10
The Silver Rush 50 Run is held in the historic mining district east of Leadville, one of the highest town
Snowbird · United StatesTrail
Speedgoat Mountain Races by UTMB
Jul 22
The 50K covers 50 km with 3,450 m of vertical gain, alongside a 30K, a 10K and The Summit.
Gould · United StatesUltra
Never Summer 100K
Jul 30
The Never Summer 100K is run inside State Forest State Park, below Cameron Pass in northern Colorado.
Shenandoah Valley · United StatesUltra
Grindstone Running Festival by UTMB
September
The Grindstone Running Festival by UTMB is an ultra-trail festival staged in the Shenandoah Valley of Vir
Manitou Springs · United StatesTrail
Pikes Peak Marathon & Ascent
September
The Pikes Peak Marathon & Ascent is a mountain race starting in Manitou Springs, Colorado. 4 km for the u
Big Sky · United StatesUltra
The Rut Mountain Runs
September
The Rut Mountain Runs is a mountain trail weekend held at Big Sky, Montana. 5 km Trifecta, with the Lone
Big Bear Lake · United StatesUltra
HOKA Kodiak Ultra Marathons by UTMB
October
HOKA Kodiak Ultra Marathons by UTMB is a trail running festival held at Big Bear Lake, California. It off
Fort McDowell / Fountain Hills · United StatesUltra
Javelina Jundred
October
The Javelina Jundred is an ultramarathon held in McDowell Mountain Regional Park, Arizona, over Halloween
Olympic Valley (Palisades Tahoe) · United StatesTrail
Broken Arrow Skyrace
December
The Broken Arrow Skyrace is a skyrunning event held in Olympic Valley at Palisades Tahoe, California. It
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Canada
Anmore / Belcarra · CanadaTrail
Diez Vista 50K
Apr 10
It offers one distance, 50 km with 2,000 m of climbing, from White Pine Beach.
Squamish · CanadaTrail
Survival of the Fittest
May 8
It offers two distances, 35 km and 18 km, starting and finishing at the Capilano University campus.
Whistler · CanadaUltra
Ultra Trail Whistler by UTMB
Jun 25
It is the first UTMB World Series event staged in Canada, replacing the former Whistler Alpine Meadows.
Crowsnest Pass · CanadaUltra
Sinister 7 Ultra
Jul 10
Its headline 100 mile course can be run solo or split across a relay team of up to seven runners.
Grande Cache · CanadaUltra
Canadian Death Race
Jul 31
Its flagship course covers 118 km with 5,181 m of climbing, run solo or as a relay.
Squamish · CanadaUltra
Squamish 50
Aug 14
It offers a 50 mile, a 50 km, a 23 km and the 50/50 double that combines both long distances.
Kimberley · CanadaUltra
Black Spur Ultra
Aug 28
It offers a UTMB-qualifying 108k, a 54k and a 21k, all based at Kimberley Alpine Resort.
Manning Park · CanadaUltra
Fat Dog 120
August
Fat Dog 120 is a mountain ultra held in Manning Park, British Columbia. 1 km with 7,925 m of climbing, al
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United Kingdom
Cornish coast · United KingdomUltra
Arc of Attrition by UTMB
Jan 22
The Arc of Attrition by UTMB is a winter ultra run along the Cornwall coast path in England. 1 km to 173
Llanberis · United KingdomUltra
Eryri by UTMB (ex Ultra-Trail Snowdonia)
May
Eryri by UTMB, formerly Ultra-Trail Snowdonia, is a mountain ultra based in Llanberis, in the Eryri range
West Dean (South Downs) · United KingdomUltra
Race to the King
Jun 19
Five formats run side by side, from a 30km loop to a 100km non-stop route across the chalk downland.
Lewknor → Avebury (Ridgeway) · United KingdomUltra
Race to the Stones
Jul 10
Three formats are offered: 100km non-stop, 100km over two days, and 50km.
Llanberis · United KingdomTrail
Snowdonia Trail Marathon Eryri
Jul 10
The Snowdonia Trail Marathon Eryri is based in Llanberis, a mountain village in the Eryri range of north
Coniston · United KingdomUltra
Montane Lakeland 50 & 100
Jul 23
The Montane Lakeland 50 & 100 is a mountain ultra starting from Coniston in the English Lake District.
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