Race Series & Label · 12 Events · 47 Competitions

Backyard Ultra Series: Race Calendar, Routes & Qualification

Global ultramarathon circuit following the Backyard Ultra format where runners complete a 6.706 km (4.167-mile) loop every hour on the hour until one finisher remains. Discover 12 verified events (11 with confirmed upcoming dates) and 47 competitions across Agde, Toulouse, Angers, Plaintel, Saint-Quentin.

Filter matching events in searchView on interactive map
Events1211 confirmed dates
Competitions47Races & courses
Distances0.9 - 125 kmCourse distance range
Max. Elevation Gain+4,850 m D+Course elevation profile

Selected Events

Featured Events & Highlights

View all 12 events

Dates & Schedule

Race Calendar

Map view

December 2026

DateEventLocationDisciplinesDistances
Dec 17, 2026 - Dec 18, 2026Backyard Series AgdeAgde, Occitanie, FR
Trail Running
40.24 km6.7 km

Date to be announced

DateEventLocationDisciplinesDistances
Date to be announcedBackyard ToulouseToulouse, Occitanie, FR
Trail Running
40.24 km6.7 km

November 2026

DateEventLocationDisciplinesDistances
Nov 11, 2026Cross du Courrier de l'Ouest et de la ville d'AngersAngers, Pays de la Loire, FR
Road RunningTrail Running
10.52 km8.58 km6.88 km4.3 km
Nov 11, 2026Trail de PlaintelPlaintel, Brittany, FR
Trail Running
42 km25 km12 km6.5 km
Nov 11, 2026Les Boucles Saint-QuentinoiseSaint-Quentin, Hauts-de-France, FR
Road Running
10 km5 km2 km950 m
Nov 11, 2026Olsztyn Independence RunOlsztyn, Warmian-Masurian Voivodeship, PL
Road RunningNordic Walking
10 km5 km
Nov 11, 2026Gdynia Independence RunGdynia, Pomerania Voivodeship, PL
Road RunningNordic Walking
10 km1.92 km
Nov 11, 2026Le Trail de la Saint MartinSaint-Martin-de-Londres, Occitanie, FR
Trail RunningWalking & Hiking
18 km10 km
Nov 11, 2026Independence Run in PolicePolice, West Pomerania Voivodeship, PL
Trail RunningNordic Walking
10 km5 km
Nov 11, 2026SoliMada TrailAntsirabe, Vakinankaratra Region, MG
Trail RunningWalking & Hiking
125 km106 km
Nov 11, 2026Wrocław Independence Run with a MustacheWrocław, Lower Silesia Voivodeship, PL
Road Running
10 km5 km
Nov 11, 2026Independence Run in KielceKielce, Świętokrzyskie Voivodeship, PL
Road Running
10 km1.92 km

Events by Month

January97February93March163April231May205June159July73August50September93October117November245December158

Overview & Route Character

Global ultramarathon circuit following the Backyard Ultra format where runners complete a 6.706 km (4.167-mile) loop every hour on the hour until one finisher remains. Designed around the Lazarus Lake ruleset, the format tests pacing discipline, recovery management between hourly bells, and day-and-night endurance. In the RunningCompass catalog, Backyard Ultra Series currently comprises 12 active events with a total of 47 individual competitions (11 events with confirmed upcoming race dates and 1 events awaiting official next-edition date confirmation). Key host venues include Agde, Toulouse, Angers, Plaintel, Saint-Quentin, highlighted by events such as Backyard Series Agde, Backyard Toulouse, Cross du Courrier de l'Ouest et de la ville d'Angers, Trail de Plaintel.

A new 6.706 km yard starts every hour on the hour; runners who miss the 60-minute cutoff or fail to line up at the bell receive a DNF until only the Last One Standing finishes. Across the listed competitions in Trail Running, Road Running, Nordic Walking, course distances span 0.9 km to 125 km with cumulative elevation gains reaching up to +4,850 m. Compact loops on forest paths, gravel, or pavement with moderate elevation gain engineered for dozens of daytime and headlamp-lit nighttime laps. Every event entry provides direct access to interactive route maps, 3D elevation profiles, and official organizer links for registration.

Questions & Answers

Frequently asked questions (FAQ)

What is Backyard Ultra Series and how many events are included in the calendar?

Global ultramarathon circuit following the Backyard Ultra format where runners complete a 6.706 km (4.167-mile) loop every hour on the hour until one finisher remains. The RunningCompass calendar for Backyard Ultra Series lists 12 verified events encompassing 47 individual races, of which 11 currently carry confirmed future race dates and 1 are scheduled with dates to be announced.

Which distances, disciplines, and qualification criteria apply to Backyard Ultra Series?

Events in Backyard Ultra Series primarily cover Trail Running, Road Running, Nordic Walking with competition distances ranging from 0.9 km to 125 km. A new 6.706 km yard starts every hour on the hour; runners who miss the 60-minute cutoff or fail to line up at the bell receive a DNF until only the Last One Standing finishes.

What course profiles and elevation gains characterize Backyard Ultra Series routes?

Compact loops on forest paths, gravel, or pavement with moderate elevation gain engineered for dozens of daytime and headlamp-lit nighttime laps. Across all 47 races in this series, routes cover 0.9 km to 125 km with cumulative elevation gains reaching up to +4,850 m, and each event page includes an interactive course map, elevation profile, and GPX track download.

Where do Backyard Ultra Series events take place and how can I register?

Leading host cities in the catalog include Agde, Toulouse, Angers, Plaintel, Saint-Quentin, featuring events such as Backyard Series Agde, Backyard Toulouse, Cross du Courrier de l'Ouest et de la ville d'Angers, Trail de Plaintel. You can filter the calendar below by month, distance, and location, inspect each race profile, and follow the verified organizer link on the event page for official registration.

Popular Running Regions & Spots

HéraultAgdeLanguedoc-RoussillonUpper GaronneToulouseMediterranean Coast

Further Topics, Destinations & Categories

BackyardNocturnalNature