Races

Fixed Distance50 mi

GRIT 3.1

Fuji 3 Lakes 62 km Challenge

Fujiyoshida, Yamanashi Pref., JPN

62 km Apr 18

Fixed Distance100K

GRIT 5

Fuji 4 Lakes 100 km Challenge

Fujiyoshida, Yamanashi Pref., JPN

100 km Apr 18

Fixed Distance50 mi

GRIT 4

Fuji 4 Lakes 80 km Challenge

Fujiyoshida, Yamanashi Pref., JPN

80 km Apr 18

Fixed Distance100K

GRIT 6

Fuji 5 Lakes Sparta Challenge

Fujiyoshida, Yamanashi Pref., JPN

120 km Apr 18

Fixed Distance50KMountain

GRIT 5.5

Janda Baik Ultra 50 Km

Bentong, Pahang, MYS

50 km 2,000 m D+ Apr 18

Fixed Distance50KMountain

GRIT 5.5

Maroondah Dam Trail Run

Healesville, VIC, AUS

50 km 2,000 m D+ Apr 18

Fixed Distance50KRolling

GRIT 4.5

Pless-Frankenburg-Ultra-Trail

Breitungen, DEU

50 km 1,350 m D+ Apr 18

Fixed Distance50 miRolling

GRIT 6.9

TARC Dont Run Boston (DRB) 50 Miles

Milton, MA, USA

80 km 1,900 m D+ Apr 18

Fixed Distance50KRolling

GRIT 4.8

TARC Dont Run Boston (DRB) 50K Split

Milton, MA, USA

50 km 1,500 m D+ Apr 18

Timed6 hours

GRIT —

Kajang Ultra Marathon 6h

Kajang, MYS

Apr 19

Fixed Distance100KMountain

GRIT 10

Ultratrail Fränkische Schweiz - Ultratraill (102km)

Ebermannstadt, DEU

102 km 4,100 m D+ Apr 23

BackyardBackyard

GRIT —

Austria Backyard Ultra - Amstetten-Forstheide

Amstetten, AUT

30 m D+ Apr 24

Fixed Distance50K

GRIT 2.5

Cheyenne Mountain Trail Race

Colorado Springs, CO, USA

50 km Apr 24

Fixed Distance50 mi

GRIT 4

Childish Nonsense 50 Mile Race

Palatine, IL, USA

80 km Apr 24

Fixed Distance50K

GRIT 2.5

Childish Nonsense 50 km Race

Palatine, IL, USA

50 km Apr 24

Fixed Distance50K

GRIT 2.5

Dunes 50 km Run

Hobe Sound, FL, USA

50 km Apr 24

Timed12 hours

GRIT —

Earth Day Buckle Mania 12h

Abilene, KS, USA

Apr 24

Timed12 hours

GRIT —

Glacial Esker 12h AM

Albion, IN, USA

Apr 24

Timed6 hours

GRIT —

Glacial Esker 6h

Albion, IN, USA

Apr 24

Fixed Distance50KRolling

GRIT 4.4

Harzquerung

Wernigerode, DEU

54 km 1,100 m D+ Apr 24

Fixed Distance50K

GRIT 2.5

Hells Dells

Prescott, AZ, USA

50 km Apr 24

Fixed Distance50K

GRIT 2.5

Kajang Ultra Marathon 50km

Stadium Kajang, Selangor, MYS

50 km Apr 24

Timed12 hours

GRIT —

Locomotion 12 Hour Run

Hixson, TN, USA

20 m D+ Apr 24

Timed6 hours

GRIT —

Locomotion 6 Hour Run

Hixson, TN, USA

20 m D+ Apr 24

Fixed Distance50KMountain

GRIT 5.8

Marmaris Medium Trail 48km

Icmeler, TUR

49 km 2,200 m D+ Apr 24

Fixed Distance50 mi

GRIT 4.2

Pandoras Box of Rox 50 Mile

Burnet, TX, USA

84 km Apr 24

Fixed Distance50K

GRIT 2.5

Pick Your Poison 50K Trail Run

Barrie, ON, CAN

50 km Apr 24

Fixed Distance50K

GRIT 2.5

Rockin Choccolocco 50K

Heflin, AL, USA

50 km Apr 24

Fixed Distance50K

GRIT 2.5

Royal Gorge Groove

Canon City, CO, USA

50 km Apr 24

Fixed Distance50K

GRIT 2.5

SPASM Lake Chabot 50 km

Castro Valley, CA, USA

50 km Apr 24

Fixed Distance50 mi

GRIT 4

Skunk Ape 50 Mile Endurance Run

Ocala, FL, USA

80 km Apr 24

Timed12 hours

GRIT —

SoCal Redwood Race

Brea, CA, USA

Apr 24

Fixed Distance50K

GRIT 2.5

TARC Spring Classic 50 km

Weston, MA, USA

50 km Apr 24

Fixed Distance50K

GRIT 2.5

Thelma and Louise Marathon

Moab, UT, USA

50 km Apr 24

Fixed Distance50K

GRIT 2.5

Thumb Coast Ultra 50 Km

Caseville, MI, USA

50 km Apr 24

Fixed Distance50 mi

GRIT 4

Thumb Coast Ultra 50 Mile

Harbour Beach, MI, USA

80 km Apr 24

Timed12 hours

GRIT —

Ultra Monplaisir 12h

Bron, FRA

100 m D+ Apr 24

Timed6 hours

GRIT —

Ultra Monplaisir 6h

Bron, FRA

100 m D+ Apr 24

Fixed Distance50 miMountain

GRIT 7.4

Ultratrail Fränkische Schweiz - Longtrail (66km)

Ebermannstadt, DEU

66 km 2,700 m D+ Apr 24

Fixed Distance50KRolling

GRIT 3.8

Vale of Glamorgan Coastal Ultra 32 Miles

Penarth, GBR

51 km 840 m D+ Apr 24

Fixed Distance50KRolling

GRIT 4.5

Zittauer Gebirgslauf 50km

Olbersdorf, DEU

50 km 1,300 m D+ Apr 24

Fixed Distance100K

GRIT 5

Jack Bristol Lake Waramaug 100km Ultra Marathon

New Preston, CT, USA

100 km Apr 25

Fixed Distance50K

GRIT 2.5

Jack Bristol Lake Waramaug 50km Ultra Marathon

New Preston, CT, USA

50 km Apr 25

Fixed Distance50 mi

GRIT 4

Jack Bristol Lake Waramaug 50mi Ultra Marathon

New Preston, CT, USA

80 km Apr 25

Fixed Distance50K

GRIT 2.5

Mighty Oak Memorial Run

Hartford, WI, USA

50 km Apr 25

Fixed Distance50K

GRIT 2.5

Spokane River Run 50K

Spokane, WA, USA

50 km Apr 25

Fixed Distance50K

GRIT 3

Julsø Ultra 60km

Silkeborg, DNK

60 km Apr 26

Fixed DistanceMarathonRolling

GRIT 4.2

Adventure Race 2026

Pirenópolis, Go, BRA

45 km 1,325 m D+ Apr 30

Fixed Distance50K

GRIT 2.5

Salt Flats 50 Km

Wendover, UT, USA

50 km Apr 30

Fixed Distance50 mi

GRIT 4

Salt Flats 50 Mile

Wendover, UT, USA

80 km Apr 30

Timed24 hours

GRIT —

Alutaguse Bee Ultra

Alutaguse, EST

May 1

Fixed Distance50KFast & Flat

GRIT 2.9

Aros Marathon

Uppsala, SWE

50 km 293 m D+ May 1

Timed24 hours

GRIT —

Conquer the Beast

Pierce, NE, USA

May 1

Fixed Distance50 miMountain

GRIT 10

Coyote Two Moon Ultras 55 Mile

Ojai, CA, USA

88 km 5,800 m D+ May 1

Fixed Distance50KVertical

GRIT 10

Coyote Two Moon Ultras 55 km

Ojai, CA, USA

55 km 5,800 m D+ May 1

Fixed Distance50K

GRIT 2.5

Desert Wolf 50km

Johnson City, TX, USA

50 km May 1

Fixed DistanceMarathonFast & Flat

GRIT 2.8

Etappe vom 2.SDHU ( Südhessischer Doppelultra)

Groß-Umstadt, DEU

45 km 350 m D+ May 1

Fixed Distance50 miFast & Flat

GRIT 6.3

Fife Pilgrim Way Ultra Marathon

North Queensferry, GBR

90 km 1,200 m D+ May 1

Fixed Distance50 miRolling

GRIT 8.4

Grayson Highlands 50 Mile Race

Mouth of Wilson, VA, USA

80 km 2,900 m D+ May 1

Fixed Distance50KMountain

GRIT 5.5

Grayson Highlands 50km Race

Mouth of Wilson, VA, USA

50 km 2,000 m D+ May 1