100 km–100 miles trail races
127 races in the 100 km–100 miles band, sorted so you can compare terrain and difficulty rather than just distance.
Vaarojen Ultra 130 km
Finland · October
130 km+3,069 mTechnical 100K ultraGuideKainuu Trail 78 k Julma-Ölkky
Finland · June
78 km+35 mFast, runnable ultraGuideCCC (Courmayeur-Champex-Chamonix)
France · August
101 km+5,533 mTechnical mountain 100K ultraGuideLavaredo 120K
Italy · June
120 km+5,868 mTechnical mountain 100K ultraGuideThe North Face Transgrancanaria Classic
Spain · February
126 km+5,997 mTechnical 100K ultraGuideMIUT Legend 110 km
Portugal · April
109 km+7,165 mTechnical mountain 100K ultraGuideEiger Ultra Trail E101
Switzerland · July
101 km+6,474 mTechnical mountain 100K ultraGuide90 km du Mont-Blanc
France · June
90 km+5,864 mTechnical mountain ultraGuideThe North Face Grossglockner Ultra-Trail 110K
Austria · July
110 km+6,784 mRelentlessly climbing mountain 100K ultraGuideUltratrail (107 km) – Zugspitz Ultra Trail by UTMB
Germany · June
107 km+5,148 mTechnical mountain 100K ultraGuideIMRA Wicklow Way Race
Ireland · June
127 km+3,706 mBig-climbing 100K ultraGuideSalomon Ultra Pirineu 100K
Spain · September
100 km+6,210 mRelentlessly climbing mountain 100K ultraGuideCSP – Castelló-Penyagolosa
Spain · April
108 km+5,079 mTechnical 100K ultraGuideCanfranc-Canfranc Ultra 100K
Spain · September
100 km+8,617 mTechnical high-mountain 100K ultraGuideGrand Trail des Templiers
France · October
81 km+3,279 mTechnical ultraGuideSaintéLyon 78 km
France · December
78 km+1,965 mRolling ultraGuideEcoTrail Paris - Trail 80 km
France · March
80 km+1,085 mFast, runnable ultraGuideSwiss Canyon Trail 111K
Switzerland · June
115 km+5,021 mBig-climbing 100K ultraGuideCanyons Endurance Runs by UTMB - 100K
United States · April
100 km+3,604 mBig-climbing 100K ultraGuideBlack Canyon Ultras
United States · February
100 km+4,736 mRelentlessly climbing 100K ultraGuideHOKA Bandera Endurance Trail Race 100K
United States · January
100 km+2,069 mTechnical 100K ultraGuideLake Sonoma 50 Mile
United States · April
81 km+2,358 mBig-climbing ultraGuideSan Juan Solstice 50 Mile Run
United States · June
81 km+3,934 mRelentlessly climbing high-mountain ultraGuideGorge Waterfalls 100K
United States · April
100 km+5,640 mTechnical 100K ultraGuideBuffalo Stampede 100km
Australia · March
100 km+4,250 mBig-climbing 100K ultraGuideNice Côte d'Azur by UTMB 100K
France · September
109 km+4,608 mBig-climbing mountain 100K ultraGuideTransLantau100 by UTMB
Hong Kong SAR China · November
104 km+4,069 mTechnical 100K ultraGuideHong Kong 100 Ultra Trail Race
Hong Kong SAR China · January
93 km+4,629 mTechnical ultraGuideSalomon Cappadocia Ultra-Trail (CUT)
Türkiye · October
119 km+3,255 mTechnical 100K ultraGuideUltra-Trail Cape Town 100K (UT100)
South Africa · November
99 km+4,163 mTechnical 100K ultraGuide2026 Warhorse Ultra-Trail Xiamen by UTMB® – LXM 100K
China · March
96 km+4,518 mRelentlessly climbing 100K ultraGuideAmazean Jungle Thailand by UTMB
Thailand · May
91 km+3,728 mTechnical ultraGuideAmazean Jungle Thailand by UTMB – BETONG 100M
Thailand · May
116 km+5,230 mRelentlessly climbing 100K ultraGuideArc 50
United Kingdom · January
81 km+1,358 mRolling ultraGuideBariloche Patagonia by UTMB (Tronador 132K)
Argentina · November
132 km+6,225 mTechnical mountain 100K ultraGuideBoréalys Mont-Tremblant by UTMB (Odyssée 100K)
Canada · August
81 km+6,233 mTechnical mountain ultraGuideBucovina Ultra Rocks by UTMB (100M 114K)
Romania · July
114 km+6,501 mTechnical mountain 100K ultraGuideChiangmai Thailand by UTMB – Elephant 100
Thailand · December
103 km+4,956 mRelentlessly climbing 100K ultraGuideChianti Ultra Trail by UTMB – Ultra Trail Chianti Castles
Italy · March
123 km+4,402 mBig-climbing 100K ultraGuideChihuahua by UTMB (Rarámuri 100M)
Mexico · October
135 km+5,867 mBig-climbing mountain 100K ultraGuideChihuahua by UTMB® – Weriga 100K
Mexico · October
94 km+4,116 mBig-climbing mountain ultraGuideDesert RATS Trail Running Festival by UTMB – 100K
United States · April
100 km+1,636 mRolling 100K ultraGuideDolomiti Extreme Trail – DXT 103K
Italy · June
101 km+6,018 mTechnical mountain 100K ultraGuideEcotrail Oslo — 80K
Norway · May
82 km+1,565 mRolling ultraGuideGauja Trail by UTMB — 100K
Latvia · August
91 km+1,670 mRolling ultraGuideGrand Raid Ventoux by UTMB (GEV 87K)
France · April
87 km+4,120 mRelentlessly climbing mountain ultraGuideGrand Raid Ventoux by UTMB Ultra Géant de Provence
France · April
126 km+5,561 mBig-climbing mountain 100K ultraGuideGrindstone Trail Running Festival – 100K
United States · September
100 km+2,929 mBig-climbing 100K ultraGuideHOKA Chiang Mai Thailand by UTMB® – ELEPHANT 100
Thailand · December
100 km+4,956 mRelentlessly climbing 100K ultraGuideHOKA Kodiak Ultra Marathons by UTMB
United States · October
99 km+2,785 mTechnical high-mountain 100K ultraGuideHOKA Ultra-Trail Australia by UTMB – UTA100
Australia · May
101 km+3,876 mBig-climbing 100K ultraGuideInnsbruck Alpine Trailrun Festival – K110 Masters of Innsbruck
Austria · May
113 km+4,704 mTechnical 100K ultraGuideIstria 100 by UTMB – 110K
Croatia · April
111 km+3,852 mBig-climbing 100K ultraGuideJD Ultra-Trail Great Wall by UTMB (Dajingmen 100K)
China · September
100 km+3,359 mBig-climbing 100K ultraGuideJulian Alps Trail Run by UTMB – Lake Bled 80K
Slovenia · September
80 km+3,602 mRelentlessly climbing mountain ultraGuideJulian Alps Trail Run by UTMB 120K
Slovenia · September
124 km+5,557 mBig-climbing mountain 100K ultraGuideKaçkar by UTMB
Türkiye · September
82 km+5,223 mRelentlessly climbing high-mountain ultraGuideKaga Spa Trail Endurance 100 by UTMB
Japan · June
97 km+4,757 mRelentlessly climbing 100K ultraGuideKagaspa Trail Endurance 100 by UTMB – KAGASPA 100K
Japan · June
97 km+4,757 mRelentlessly climbing 100K ultraGuideKAT100 by UTMB – Endurance Trail
Austria · August
75 km+3,896 mRelentlessly climbing mountain ultraGuideKullamannen by UTMB – Sprint Ultra 100 km
Sweden · October
108 km+482 mTechnical 100K ultraGuideLa Sportiva Lavaredo Ultra Trail by UTMB – Lavaredo 80K
Italy · June
80 km+4,216 mRelentlessly climbing mountain ultraGuideLofoten Ultra-Trail (Arctic Triple) — 50 Miles
Norway · May
88 km+3,184 mBig-climbing ultraGuideMalaysia Ultra-Trail by UTMB – MY100
Malaysia · September
98 km+4,435 mTechnical 100K ultraGuideMallorca by UTMB (Serra de Tramuntana 138K)
Spain · October
138 km+5,085 mTechnical 100K ultraGuideMallorca by UTMB® – Camins de pedra en sec (CPS)
Spain · October
104 km+3,530 mBig-climbing 100K ultraGuideMIUT Advanced (85K)
Portugal · April
77 km+4,715 mTechnical mountain ultraGuideMonte Rosa WalserWaeg by UTMB – 120K
Italy · July
120 km+7,457 mTechnical high-mountain 100K ultraGuideMonte Rosa Walserwaeg by UTMB – Monte Rosa Trail
Italy · July
82 km+5,645 mRelentlessly climbing mountain ultraGuideMountain Ultra Trail by UTMB (100K)
South Africa · May
100 km+4,237 mTechnical 100K ultraGuidemozart 100 by UTMB
Austria · May
119 km+5,649 mRelentlessly climbing 100K ultraGuidemozart 100 by UTMB – mozart Ultra
Austria · June
84 km+4,580 mRelentlessly climbing ultraGuideNorthburn 100km
New Zealand · March
103 km+5,034 mTechnical 100K ultraGuideNUTS Ylläs Pallas 100 km
Finland · July
103 km+2,592 mTechnical 100K ultraGuideOh Meu Deus by UTMB – Oh Meu Deus 100K
Portugal · May
94 km+4,870 mRelentlessly climbing mountain ultraGuideOman by UTMB – Jabal Classic (100K)
Oman · December
103 km+4,621 mTechnical mountain 100K ultraGuideParaty Brazil by UTMB – UTSB 110
Brazil · September
108 km+4,529 mBig-climbing mountain 100K ultraGuidePatagonia Bariloche by UTMB – Frey 80K
Argentina · November
86 km+4,557 mTechnical mountain ultraGuidePatagonia Run 110K
Argentina · April
109 km+6,225 mTechnical mountain 100K ultraGuidePuerto Vallarta by UTMB (100K Hikuri)
Mexico · April
81 km+3,357 mTechnical ultraGuidePuglia by UTMB – I Sassi di Matera
Italy · October
144 km+2,940 mRolling 100K ultraGuidePuglia by UTMB – Le Maioliche di Laterza
Italy · October
85 km+1,516 mRolling ultraGuideQuindío Trail Colombia by UTMB – 84K
Colombia · May
84 km+3,361 mBig-climbing mountain ultraQuindío Trail Colombia by UTMB – Ultra Buenavista 122K
Colombia · May
122 km+5,923 mRelentlessly climbing mountain 100K ultraGuideQuito Trail Ecuador by UTMB® – 80K Oso
Ecuador · August
76 km+4,123 mRelentlessly climbing high-mountain ultraGuideRestonica Trail by UTMB – UTC100M
France · July
110 km+6,591 mRelentlessly climbing mountain 100K ultraGuideRMB Ultra-Trail Drakensberg UTD100
South Africa · April
104 km+2,753 mRolling mountain 100K ultraGuideSalomon Ultra-Trail Hungary (UTH) 111K
Hungary · May
111 km+3,844 mBig-climbing 100K ultraGuideShinetsu Five Mountains Trail 110km
Japan · September
112 km+3,832 mTechnical 100K ultraGuideSunnmøre Fjord Trail Run 95K
Norway · August
96 km+6,395 mTechnical 100K ultraGuideTarawera Ultra-Trail by UTMB – T102
New Zealand · February
102 km+2,208 mRolling 100K ultraGuideTenerife Bluetrail 110K by UTMB
Spain · April
110 km+5,915 mRelentlessly climbing high-mountain 100K ultraGuideTenerife Bluetrail by UTMB® – TENERIFE BLUETRAIL 82k
Spain · April
82 km+3,064 mBig-climbing mountain ultraGuideTermières dera Libertat (TDL 75K)
Spain · July
75 km+4,858 mTechnical mountain ultraGuideTorrencial Chile by UTMB
Chile · June
106 km+3,863 mBig-climbing 100K ultraGuidetOur du Lac solo (Ultra)
France · May
102 km+5,784 mRelentlessly climbing mountain 100K ultraGuideTrail 100 Andorra by UTMB – Trail 80K
Andorra · June
79 km+3,618 mRelentlessly climbing mountain ultraGuideTrail 100 Andorra by UTMB – Ultra 105K
Andorra · June
105 km+6,690 mRelentlessly climbing high-mountain 100K ultraGuideTrail du Saint Jacques by UTMB – Grand Trail du Saint Jacques - 100K
France · June
86 km+3,039 mBig-climbing ultraGuideTrail du Saint Jacques by UTMB – Ultra du Saint Jacques - 100M
France · June
139 km+4,913 mBig-climbing 100K ultraGuideTrail of the Kings™ – Lake Toba by UTMB®
Indonesia · June
101 km+3,724 mBig-climbing mountain 100K ultraGuideTrail Verbier St Bernard by UTMB – X-Traversee
Switzerland · July
77 km+4,813 mRelentlessly climbing mountain ultraGuideTrail Verbier St Bernard by UTMB (X-Alpine 140K)
Switzerland · July
140 km+8,633 mRelentlessly climbing high-mountain 100K ultraGuideTrans Jeju by UTMB (Jeju 100K)
South Korea · October
104 km+4,057 mBig-climbing mountain 100K ultraGuideTransgrancanaria Advanced
Spain · March
81 km+3,625 mBig-climbing ultraGuideTransylvania 100
Romania · May
102 km+5,685 mRelentlessly climbing mountain 100K ultraGuideTransylvania 100 - T80K
Romania · May
83 km+4,251 mRelentlessly climbing mountain ultraGuideUltra Trail Whistler by UTMB (100K)
Canada · August
100 km+4,809 mTechnical mountain 100K ultraGuideUltra-Trail des Païens
France · May
109 km+3,580 mTechnical 100K ultraGuideUltra-Trail Kosciuszko by UTMB – Kosci100
Australia · November
106 km+2,814 mRolling mountain 100K ultraGuideUltra-Trail Mogan by UTMB (100K)
China · April
81 km+4,564 mRelentlessly climbing ultraGuideUltra-Trail Mogan by UTMB® – DMG
China · April
114 km+6,417 mRelentlessly climbing 100K ultraGuideUltra-Trail Mount Yun by UTMB
China · October
97 km+7,570 mRelentlessly climbing 100K ultraGuideUltra-Trail Shudao by UTMB
China · November
104 km+3,193 mBig-climbing 100K ultraGuideUltra-Trail Snowdonia by UTMB® – UTS 100K
United Kingdom · May
106 km+5,234 mRelentlessly climbing 100K ultraGuideUltra-Trail Snowdonia by UTMB® – UTS 80K
United Kingdom · May
78 km+2,361 mBig-climbing ultraGuideUltra-Trail Vitosha 100km
Bulgaria · June
101 km+1,681 mRolling 100K ultraGuideUltravasan 90
Sweden · August
92 km+761 mFast, runnable ultraGuideUshuaia by UTMB – ADVANCE 85K
Argentina · March
87 km+2,791 mBig-climbing ultraGuideUshuaia by UTMB (Epic 130K)
Argentina · March
113 km+4,190 mTechnical 100K ultraGuideVietnam Highlands Trail by UTMB – 100K LANGBIANG
Vietnam · January
104 km+5,573 mRelentlessly climbing mountain 100K ultraGuideVilnius Trail Run — 108K
Lithuania · May
110 km+1,609 mRolling 100K ultraWildstrubel by UTMB® – Wild 110 Crans-Montana
Switzerland · September
113 km+6,222 mRelentlessly climbing mountain 100K ultraGuideX-Trail Hainan by UTMB (100K)
Taiwan · March
98 km+2,959 mBig-climbing 100K ultraGuideZugspitz Ultra Trail by UTMB – Ehrwald Trail
Germany · June
86 km+3,033 mBig-climbing mountain ultraCDH — Camins d'Hèr
Spain · July
110 km+6,368 mRelentlessly climbing mountain 100K ultraGuideEcotrail Stockholm 80K
Sweden · June
80 km+1,699 mRolling ultraGuide