6-10 Jun 2023
World Mountain and Trail Running Championships
10 Jun 2023
XTERRA Tremblant Trail Run

11 Jun 2023
XTERRA Cameron Park Trail Run

11 Jun 2023
XTERRA Hunua Ranges Trail Run

12-16 Jun 2023
Ultra X Tanzania

16-18 Jun 2023
Broken Arrow VK
16-17 Jun 2023
Ultra SkyMarathon Madeira
16-17 Jun 2023
TSUNAMI Ocean Trails
17 Jun 2023
mozart 100 by UTMB

17-18 Jun 2023
The Great Mawla Ghaati Ultra
17-18 Jun 2023
West Highland Way Race
18 Jun 2023
Spine Race
18 Jun 2023
Broken Arrow Skyrace
21-25 Jun 2023
Lavaredo Ultra Trail by UTMB

22-25 Jun 2023
Marathon Du Mont Blanc

22-25 Jun 2023
Trail 100 Andorra by UTMB

24 Jun 2023
Western States Endurance Run by UTMB

24 Jun 2023
Minotaur SkyRace
25 Jun 2023
Tatra Race Run
29 Jun-2 Jul 2023
One Hundred Douro-Paiva
2 Jul 2023
XTERRA Shakespear Trail Run

2 Jul 2023
Montemuro Vertical Run
2 Jul 2023
Cordillera Blanca SkyRace
2 Jul 2023
XTERRA Japan Trail Run Marunuma

4-6 Jul 2023
Badwater 135
6-9 Jul 2023
Val d’Aran by UTMB

6-8 Jul 2023
Restonica Trail by UTMB

7-9 Jul 2023
Trail Verbier St Bernard by UTMB

7-9 Jul 2023
Brisbane Trail Ultra
8 Jul 2023
XTERRA Victoria Trail Run

9 Jul 2023
XTERRA Magnolia Hill Trail Run

9 Jul 2023
XTERRA Snowdonia Trail Marathon

9 Jul 2023
Skyrace du Mercantour
12-16 Jul 2023
Eiger Ultra-Trail by UTMB

14 Jul 2023
Hardrock 100
15 Jul 2023
Dolomyths Run

15 Jul 2023
Ultra X Summer Trail Series

15 Jul 2023
Piz Tri Vertical
16 Jul 2023
Fletta Trail
21-22 Jul 2023
SPEEDGOAT by UTMB

22 Jul 2023
La Montée du Nid d’Aigle
22 Jul 2023
Schlegeis 3000 Skyrace
22 Jul 2023
Ultra X Goes Loopy

23 Jul 2023
XTERRA Conquer the Crater Trail Run

23 Jul 2023
XTERRA Totara Trail Run

28-30 Jul 2023
Lakeland 50 & 100
29 Jul-5 Aug 2023
Fjällmaraton
30-31 Jul 2023
Giir di Mont
3-5 Aug 2023
KAT100 by UTMB

4-5 Aug 2023
The RAT Trail & Ultra Festival
4-6 Aug 2023
SOX Trail Run
11-13 Aug 2023
Sierre-Zinal

12-13 Aug 2023
Eastern States 100
13 Aug 2023
XTERRA Waiuku Trail Run

16-20 Aug 2023
Ultra X Wales

19 Aug 2023
Leadville Trail 100 Run
25-26 Aug 2023
Andes Race
25-27 Aug 2023
XTERRA Beaver Creek Trail Run

26 Aug 2023
Matterhorn Ultraks
28 Aug-3 Sep 2023
UTMB Mont Blanc

28 Aug 2023
Challenge Stellina
2 Sep 2023
Vertical Nasego
3 Sep 2023
Trofeo Nasego
4-9 Sep 2023
Dragon’s Back Race
4 Sep 2023
XTERRA Riverhead Forest Trail Run

8-10 Sep 2023
Julian Alps Trail Run by UTMB

8-10 Sep 2023
Canfranc-Canfranc
9-10 Sep 2023
The Lap Anticlockwise
9 Sep 2023
XTERRA Dolomiti di Brenta Trail

9 Sep 2023
Patagonian International Marathon
10-16 Sep 2023
TOR330 – Tor Des Géants
14-17 Sep 2023
Wildstrubel by UTMB

15-16 Sep 2023
Ultra Montana Palentina
16-17 Sep 2023
Pikes Peak Marathon + Ascent

16-17 Sep 2023
Ultra X England

16-17 Sep 2023
Skyline Scotland
16 Sep 2023
Nordkette Vertical Run
16-17 Sep 2023
World Masters Mountain Running Championships
16 Sep 2023
Grigne SkyMarathon
21-24 Sep 2023
Mammoth Trail Fest

22-24 Sep 2023
Grindstone by UTMB

22-24 Sep 2023
Paraty by UTMB

23 Sep 2023
Seven Sisters Skyline
23 Sep 2023
Gorbeia Suzien
28 Sep-1 Oct 2023
Nice Côte d’Azur by UTMB

29 Sep-1 Oct 2023
Salomon Ultra Pirineu
30 Sep 2023
Primiero Dolimiti Trail
30 Sep-1 Oct 2023
Ultra Paine
2-6 Oct 2023
Ultra X Jordan

2 Oct 2023
Zumaia Flysch Trail
6 Oct 2023
Šmarna gora Record
7-8 Oct 2023
Trans Jeju by UTMB

7 Oct 2023
Borneo Trail Classic
7 Oct 2023
Šmarna gora Race
7 Oct 2023
Louzanskyrace
8 Oct 2023
XTERRA Trail Vallée de Joux

13-15 Oct 2023
Sky Gran Canaria
13-15 Oct 2023
Kodiak Ultra Marathons by UTMB

14-15 Oct 2023
XTERRA O-SEE Ultra Trail

19-22 Oct 2023
Golden Trail World Series Grand Final

3-4 Nov 2023
Puerto Vallarta México by UTMB

3-4 Nov 2023
K42 Adventure Marathon
3-4 Nov 2023
Kullamannen by UTMB

3-4 Nov 2023
Salomon K42
4-5 Nov 2023
Ultra X Morocco

10-12 Nov 2023
Translantau by UTMB

10 Nov 2023
Dartmoor Way 100
11 Nov 2023
Dartmoor Way Granite 50
18 Nov 2023
XTERRA Trail Challenge Waihi

18-29 Nov 2023
Golden Gate Trail Classic
18-19 Nov 2023
Ultra X Madeira

2 Dec 2023
Cheviot Goat
7-9 Dec 2023
Ultra-Trail Kosciuszko by UTMB

8-10 Dec 2023
Doi Inthanon Thailand by UTMB

17 Dec 2023
XTERRA Estrella Mountain Trail Run

26 Jan 2024
The Arc of Attrition
3 Feb 2024
Ultra Fiord
4 Feb 2024
XTERRA McDowell Mountain Trail Run

1-2 Mar 2024
Mississippi 50 Trail Run
17 Mar 2024
XTERRA Black Canyon Trail Run

27 Apr 2024
Three Peaks Race
4-6 May 2024
Great Lakeland 3Day
10-12 May 2024
Ultra-Trail Snowdonia by UTMB

11-12 May 2024
The Lap Clockwise
19-26 May 2024
Cape Wrath Ultra
25 May 2024
Race The Tide Long Marathon
3-7 Jun 2024
Ultra X World Championships

22-23 Jun 2024
Ultra X Azores
