Photo: Alpsdake · CC BY-SA 4.0 · Wikimedia CommonsTrail RunningUTMB World Series
Amazean Jungle Thailand by UTMB
Betong, Thailand
April 29, 2027 to May 2, 2027Date confirmed
147 km102 km55 km27.9 km+1
Nature & Off-RoadMountain+2
May Race Calendar · 205 Events · 871 Races
Races and Endurance Events in May
205 events featuring 871 individual races in May, including 36 with confirmed upcoming dates.
Events20536 confirmed dates
Competitions871Races & courses
Distances0.5 - 270 kmCourse distance range
Max. Elevation Gain+9,500 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: Alpsdake · CC BY-SA 4.0 · Wikimedia Commons
Photo: Dan Gold danielcgold · CC0 1.0 · Wikimedia CommonsTrail RunningUTMB Index Races
The Cabo Verde Treg
Mindelo, Cape Verde
April 29, 2027 to May 10, 2027Date confirmed
130 km
ForestIsland+5
Photo: Shixart1985 · CC BY 2.0 · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
Flying Pig Marathon
Cincinnati, United States
April 30, 2027 to May 2, 2027Date confirmed
42.2 km21.1 km10 km5 km
Kids & Youth RacesRelay+2
Photo: Matti Blume · CC BY-SA 4.0 · Wikimedia CommonsGravel Biking
Muck N' Mac Fest
Traquair, United Kingdom
April 30, 2027 to May 2, 2027Date confirmed
270 km200 km70 km45 km
ForestFestive+4
Photo: Anass ERRIHANI · CC BY-SA 3.0 · Wikimedia CommonsTrail RunningMountain Biking
Ultra Trail Relay Morocco
Ouarzazate, Morocco
April 30, 2027 to May 3, 2027Date confirmed
85 km
RelayCharity Run+3
Photo: Anthony Parkes · CC BY-SA 2.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Ultra X Scotland
Inverness, United Kingdom
May 1, 2027 to May 2, 2027Date confirmed
164 km110 km60 km50 km+2
ForestLakes & Ponds+5
Photo: Petr Kadlec · CC BY-SA 3.0 · Wikimedia CommonsRoad RunningBoston Marathon Qualifier
Prague Marathon
Prague, Czechia
May 1, 2027 to May 2, 2027Date confirmed
42.2 km1.61 km200 m150 m+1
CastlesCity Run+9
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail Running
Santa Clarita Trail Race
Santa Clarita, United States
May 1, 2027Date confirmed
28 km21 km10 km5 km
Nature & Off-RoadForest+1
Dates & Schedule
Race Calendar
April 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Apr 29, 2027 - May 2, 2027 | Amazean Jungle Thailand by UTMB | Betong, Yala Province, TH | Trail Running | 147 km102 km55 km27.9 km |
| Apr 29, 2027 - May 10, 2027 | The Cabo Verde Treg | Mindelo, São Vicente, CV | Trail Running | 130 km |
| Apr 30, 2027 - May 2, 2027 | Flying Pig Marathon | Cincinnati, Ohio, US | Road Running | 42.2 km21.1 km10 km5 km |
| Apr 30, 2027 - May 2, 2027 | Muck N' Mac Fest | Traquair, Scotland, GB | Gravel Biking | 270 km200 km70 km45 km |
| Apr 30, 2027 - May 3, 2027 | Ultra Trail Relay Morocco | Ouarzazate, Drâa-Tafilalet, MA | Trail RunningMountain Biking | 85 km |
May 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| May 1, 2027 - May 2, 2027 | Ultra X Scotland | Inverness, Scotland, GB | Trail Running | 164 km110 km60 km50 km |
| May 1, 2027 - May 2, 2027 | Prague Marathon | Prague, Prague, CZ | Road Running | 42.2 km1.61 km200 m150 m |
| May 1, 2027 | Santa Clarita Trail Race | Santa Clarita, California, US | Trail Running | 28 km21 km10 km5 km |
| May 1, 2027 | Rotorua Marathon |  Rotorua, Bay of Plenty, NZ | Road Running | 42.2 km21.1 km10 km5 km |
| May 1, 2027 | La Martillacaise |  Martillac, Nouvelle-Aquitaine, FR | Trail RunningWalking & Hiking | 26 km17 km10 km7 km |
| May 1, 2027 | Salomon Hammer Trail |  Sandvig, DK | Trail Running | 79 km52 km33 km25 km |
| May 1, 2027 - May 2, 2027 | Ultra Marathon des Crètes Senesi |  Rapolano Terme, Tuscany, IT | Trail RunningWalking & Hiking | 50 km30 km15 km7 km |
Events by Month
Overview & Route Character
May combines major city road runs, blooming nature trails, early-season triathlons, and multi-stage endurance events. The RunningCompass calendar for May brings together 205 events with 871 individual races, including 36 confirmed upcoming editions.
Courses span distances ranging from 0.5 km to 270 km and elevation gains up to +9,500 m. Key host locations include Betong, Mindelo, Cincinnati, Traquair. Notable events in this selection include Amazean Jungle Thailand by UTMB, The Cabo Verde Treg, Flying Pig Marathon.
Questions & Answers
Frequently asked questions (FAQ)
How many events and races are listed under Races and Endurance Events in May?
This overview currently includes 205 verified events featuring 871 individual races. Of these, 36 events have confirmed upcoming dates on the calendar, while 169 events await next edition date confirmation from the organizer.
What race distances and elevation profiles are included in Races and Endurance Events in May?
Races in this selection span distances of 0.5 km to 270 km. The most demanding courses reach up to +9,500 m of positive elevation gain. Featured disciplines include Trail Running, Road Running, Walking & Hiking.
Which host cities and flagship events stand out in Races and Endurance Events in May?
Top host locations include Betong, Mindelo, Cincinnati, Traquair, Ouarzazate. Representative events in the catalog include Amazean Jungle Thailand by UTMB, The Cabo Verde Treg, Flying Pig Marathon, Muck N' Mac Fest. May combines major city road runs, blooming nature trails, early-season triathlons, and multi-stage endurance events.
How can I inspect route maps, elevation charts, and date filters for Races and Endurance Events in May?
Every event profile provides an interactive route map, a detailed elevation chart across all 871 races, and a GPX track download. You can also switch directly to the interactive map explorer to filter by date range and distance.