May 2026

Big Wolf’s Backyard Ultra – Lévis

Published by Yvan L'Heureux

It is described as one of the most mentally and strategically gruelling races in the world. Contestants run a 4.1 mile loop every hour, all day, all night, nonstop. The... Read More

Race logo
Race organizer
Big Wolf
Race date
May 9th, 2026
Calendar month
May
Race start time
10:00
Race location
Lévis, Quebec, Canada
Race participant capacity
125
Current number of loops record
38
Record holder info
Jérémy Savoie
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
100
Venue Surface (day loop)
Trail
Race Director Contact Name
Big Wolf
Contact Email
info@bigwolfsbackyard.com
May 2026

Iceland Backyard Ultra 101

Silver:

Published by Elisabet Margeirsdottir

The Iceland Backyard UItra 101 will be held for the 5th time on the 9th of May 2026 in the heart of Reykjavik.Employees and volunteers from Arctic Running/Náttúruhlaup will... Read More

Race logo
Category
Silver:
Race organizer
Arctic Running
Race date
May 9th, 2026
Calendar month
May
Race start time
09:00
Race location
Reykjavik, Reykjavik Capital Area, Iceland
Race participant capacity
250
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Elisabet Margeirsdottir
Contact Email
elisabet@arcticrunning.is
May 2026

Lakou Backyard Ultra

Published by Bryan Wallace

The Lakou Backyard Ultra will be added to the races of River’s Edge Running Series all of which are fundraisers for a maternity centre in Haiti.The races are run... Read More

Race logo
Race organizer
Rivers Edge Running Series
Race date
May 16th, 2026
Calendar month
May
Race start time
09:00
Race location
Edmonton, Alberta, Canada
Race participant capacity
100
Current number of loops record
31
Record holder info
Brad Schroeder. 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
135
Venue Surface (day loop)
Grass and dirt trails through fields and forest.
Race Director Contact Name
Bryan Wallace
Contact Email
riversedgeultra@gmail.com
May 2025

Elsa Chicken Plucker Backyard Ultra

Published by Rebecca McIntire

Will you get plucked or be the King or Queen Plucker?  Can you make 18 laps to beat last year’s 17?! We have 149 acres of private property with... Read More

Race organizer
Rebecca McIntire
Race date
May 31st, 2025
Calendar month
May
Race start time
09:00
Race location
Charleston, Illinois, United States of America
Race participant capacity
100
Current number of loops record
17
Record holder info
Chris Silva
Race website
Go to URL
Event registration page
Go to URL
Loop details
There's a day time/night time loop
Feet of Climb (day loop)
387
Feet of Climb (night loop)
76
Venue Surface (day loop)
Some grass, Dirt single track
Venue Surface (night loop)
Gravel, paved road
Race Director Contact Name
Rebecca McIntire
Contact Email
Irontriathlete7@yahoo.com
May 2026

God’s Own Backyard Ultra-Spring 2025

Silver:

Published by Gavin Birkett

Can you be the last person standing in the GOBYU 9? Join us for Yorkshires BYU on the outskirts of Leeds. The hidden gem of a venue offers peace... Read More

Category
Silver:
Race organizer
Gavin Birkett
Race date
May 23rd, 2026
Calendar month
May
Race start time
08:00
Race location
Leeds, Yorkshire, United Kingdom
Race participant capacity
100
Current number of loops record
41
Record holder info
Phil Harris fall 2025
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
There's a day time/night time loop
Feet of Climb (day loop)
300
Venue Surface (day loop)
Mixed terrain, tamac & trail
Venue Surface (night loop)
Tarmac path
Race Director Contact Name
Gavin Birkett
Contact Email
gavinbirkett@msn.com
May 2025

V BACKYARD ULTRA LOS MONTESINOS · COSTA BLANCA

Published by Ana Belen Juarez Pastor

Somos una administración local Ayuntamiento quien a través de su concejalía de deportes organiza este evento, sin ánimo lucrativo con el único interés de promocionar el deporte y generar... Read More

Race organizer
Concejalia Deportes Los Montesinos
Race date
May 30th, 2025
Calendar month
May
Race start time
19:00
Race location
Los Montesinos, Alicante, Spain
Race participant capacity
250
Current number of loops record
38
Record holder info
Ivan Perea
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
31.2
Venue Surface (day loop)
31.2
Race Director Contact Name
Ana Belen Jaurez Pastor
Contact Email
deportes@losmontesinos.org
May 2026

Dublin Mountain Backyard

Silver:

Published by Noel Ward

Barry & John’s Backyard Ultra 11th of May 2024 Embrace your journey. You don’t need to fast you need to keep moving forward and be last. Read More

Category
Silver:
Race organizer
Dublin mountain rc
Race date
May 9th, 2026
Calendar month
May
Race start time
12:00
Race location
Dublin , Dublin / Leinster , Ireland
Race participant capacity
120
Current number of loops record
29
Record holder info
Kevin Leahy 2023
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
There's a day time/night time loop
Feet of Climb (day loop)
1018
Feet of Climb (night loop)
1018
Venue Surface (day loop)
Trail
Venue Surface (night loop)
Trail
Race Director Contact Name
Noel ward
Contact Email
dublinmountainrunningclub@gmail.com
May 2026

THE LONGEST NIGHT

Published by Marc Fernández Ciurana

La cursa més boja i divertida de l'estiu... Read More

Race logo
Race organizer
Marc Fernández Ciurana
Race date
May 9th, 2026
Calendar month
May
Race start time
21:00
Race location
Masia de Castelló (Vandellòs i l'Hospitalet de l'Infant), Catalunya, Spain
Race participant capacity
100
Current number of loops record
31
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
393.7
Feet of Climb (night loop)
393.7
Venue Surface (day loop)
4mi 287.2091yd
Venue Surface (night loop)
4mi 287.2091yd
Race Director Contact Name
Marc
Contact Email
mfernandezci@yahoo.es
May 2026

Backyard Ultra Vänge

Published by Bruno Malabeux

The loop is a real gem if we may say so ourselves. A piece of Uppland at its best. The hub for... Read More

Race organizer
Hagunda IF
Race date
May 23rd, 2026
Calendar month
May
Race start time
10:00
Race location
Vange, Uppsala, Sweden
Race participant capacity
150
Current number of loops record
27
Record holder info
Jonas Bergström and Johan Andersson, 2024 (27 loop)
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Bruno Malabeux
Contact Email
backyardvange@hagundaif.se
May 2026

St.Petersburg Backyard Ultra

Silver:

Published by Starkova

30 мая 2026, 10:00 BACKYARD ULTRA – это ультрамарафон на выбывание. ‌Участники должны последовательно преодолевать круг длиной в ​​6706 метров менее, чем за час. После завершения очередного круга оставшееся время до... Read More

Race logo
Category
Silver:
Race organizer
Dikiye
Race date
May 30th, 2026
Calendar month
May
Race start time
09:00
Race location
Gatchina, Northwestern, Russia
Race participant capacity
100
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Ekaterina Starkova
Contact Email
info@dikiye.ru
May 2026

Jusqu’à la fin – Backyard Ultra

Published by Joffrey Wuidar Julie Pirenne

Until The End, la seule Backyard en province de Liège ! Cette course vous permettra d’aller au bout de vos limites grâce à son parcours à 90% ” of road... Read More

Race logo
Race organizer
Wuidar Joffrey
Race date
May 2nd, 2026
Calendar month
May
Race start time
10:00
Race location
Spa, Liège, Belgium
Race participant capacity
200
Current number of loops record
34
Record holder info
Damien Mataigne - 2023
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Wuidar joffrey
Contact Email
csw.animations@gmail.com
May 2026

The Oldman Backyard Ultra

Silver:

Published by Cory Hunt

Welcome to the Oldman Backyard Ultra! This event is situated on Blackfoot Territory and takes place beside the Oldman River amongst the seemingly endless rolling coulees. This is one... Read More

Category
Silver:
Race date
May 2nd, 2026
Calendar month
May
Race start time
07:00
Race location
Lethbridge, Alberta, Canada
Race participant capacity
175
Current number of loops record
35
Record holder info
Matthew (Shep) Sheppard 2024
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
120
Venue Surface (day loop)
Primarily shale path/dirt
Race Director Contact Name
Cory Hunt
Contact Email
cory@pandcventures.ca
May 2026

BRLos Itupeva

Silver:

Published by Renato Cavallieri Mello

Etapa PRATA, valendo vaga para a seletiva nacional.   Read More

Race logo
Category
Silver:
Race organizer
LOOP ULTRA SPORTS
Race date
May 1st, 2026
Calendar month
May
Race start time
08:00
Race location
Itupeva, São Paulo, Brazil
Race participant capacity
150
Current number of loops record
38
Record holder info
Tuik Lara -38 loops
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
42
Race Director Contact Name
Renato Mello
Contact Email
contato@loopultra.com.br
May 2025

Czechia Backyard Ultra Run

Published by Marcela

Czechia Backyard Ultra Run 2025 The third official ultra-running race with the theme “Run as far as you can” Date: 8th May 2025 Start: at 12 a.m. Start location and background: Holešov Castle park... Read More

Race logo
Race organizer
MORAVIA EVENTS
Race date
May 8th, 2025
Calendar month
May
Race start time
12:00
Race location
Holesov, Moravia, Czechia
Race participant capacity
120
Current number of loops record
42
Record holder info
Jaroslav Kopriva 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
15
Venue Surface (day loop)
park route
Race Director Contact Name
Marcela Sklenářová
Contact Email
team@moraviaevents.cz
May 2026

Austria Backyard Ultra – Ternberg TRAIL

Silver:

Published by Norbert Lüftenegger

The Austria Backyard Ultra proudly presents the first TRAIL BACKYARD ULTRA in Austria!! It takes place in Ternberg at the beautiful foothills of the Alps with fantastic views of mountains... Read More

Race logo
Category
Silver:
Race organizer
Norbert Lüftenegger
Race date
May 14th, 2026
Calendar month
May
Race start time
09:00
Race location
Ternberg, Upper Austria, Austria
Race participant capacity
130
Current number of loops record
17
Record holder info
David Muhm 2025
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
1150
Venue Surface (day loop)
single trails, forest roads and short sections of asphalt
Race Director Contact Name
Norbert Lüftenegger
Contact Email
austriabackyard@gmx.at
May 2026

Sowi BackYard Ultra

Silver:

Published by Lukasz Bienias

2026 Polish Silver Coin Event In 2026 4th edition will be held/ Last year, In 2025, our event had the status of the Polish BackyardUltra Individual Championships. We... Read More

Race logo
Category
Silver:
Race organizer
Fundacja "Osiagnij Cel"
Race date
May 1st, 2026
Calendar month
May
Race start time
18:00
Race location
Pieszyce, Lower Silesia, Poland
Race participant capacity
100
Current number of loops record
52
Record holder info
Patryk Swietochowski
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
341
Venue Surface (day loop)
341
Race Director Contact Name
Łukasz Bienias
Contact Email
fundacja@osiagnijcel.pl
May 2026

Backyard Ultra Abidjan

Silver:

Published by Alain Jolivet

Venez découvrir la Côte d’Ivoire en repoussant vos limites sur la Backyard Ultra Abidjan. Vous aurez le privilège de courir dans les palmeraies de Côte d’Ivoire sur les bords... Read More

Race logo
Category
Silver:
Race organizer
Alain JOLIVET / Isabelle KONATE
Race date
May 23rd, 2026
Calendar month
May
Race start time
15:00
Race location
Abidjan, Cote d'Ivoire
Race participant capacity
200
Current number of loops record
31
Record holder info
Marius KOUAKOU - juin 2025 - Backyard Ultra Abidjan
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Alain JOLIVET
Contact Email
backyardultraabidjan@gmail.com
May 2026

Coalfields Backyard Ultra

Published by Alexis Batausa

3 years down with Coalfields Backyard Ultra! The 2025 race was one for the ages, with several participants breaking the course record. Eventually, our female winner, Joelle Fenton from... Read More

Race logo
Race organizer
Tug Valley Road Runners
Race date
May 22nd, 2026
Calendar month
May
Race start time
19:00
Race location
Williamson, West Virginia, United States of America
Race participant capacity
50
Current number of loops record
30
Record holder info
Joelle Fenton, 125 miles, 2025
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Alexis Batausa
Contact Email
tvrrc@yahoo.com
May 2026

More Miles Last One Standing Challenge

Published by Lauren Cramer

Welcome to The Last One Standing, powered by More Miles Run Coaching and 2Lowe Run Company! Participants can choose from ​the 1-mile Backyard Ultra for Mortals OR the 4.167-mile... Read More

Race organizer
More Miles Run Coaching
Race date
May 30th, 2026
Calendar month
May
Race start time
07:00
Race location
Knoxville, Maryland, United States of America
Race participant capacity
100
Current number of loops record
26
Record holder info
Samir Ponce
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
422
Venue Surface (day loop)
Grass and Non-Technical Trail
Race Director Contact Name
Lauren Cramer
Contact Email
lauren@moremilestogo.com
May 2025

Wehrheimer Backyard Ultra (WEHBU)

Published by Benjamin Fuchs

we are organizing the WEHBU for the 4th time now and it is time to announce it here. The WEHBU is a non-commercial event. The course is exactly measured... Read More

Race organizer
Benjamin Fuchs
Race date
May 24th, 2025
Calendar month
May
Race start time
09:00
Race location
Wehrheim, Hessen, Germany
Race participant capacity
70
Current number of loops record
18
Record holder info
Darryl Cormier 2024
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
290
Venue Surface (day loop)
Forest roads
Race Director Contact Name
Benjamin Fuchs
Contact Email
benjamin.fuchs85@yahoo.de