Photo: CarlotaDKR · CC BY-SA 4.0 · Wikimedia CommonsOpen Water SwimmingOpen Swim Stars
Open Swim Harmonie Mutuelle Gerardmer
Gérardmer, France
Date to be announcedDate TBA
4.5 km2.5 km2 km1 km+1
Lakes & PondsNature & Off-Road+3
Race Series & Label · 12 Events · 68 Competitions
Open Swim Stars: Race Calendar, Routes & Qualification
Open-water swimming circuit staged in urban waterways, lakes, and coastal bays across distances from 500 m to 10 km for newcomers and endurance swimmers. Discover 12 verified events (8 with confirmed upcoming dates) and 68 competitions across Gérardmer, La Baule-Escoublac, Paris, Cassis, Angers.
Events128 confirmed dates
Competitions68Races & courses
Distances0.5 - 125 kmCourse distance range
Max. Elevation Gain+4,850 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: CarlotaDKR · CC BY-SA 4.0 · Wikimedia CommonsPhoto: CarlotaDKR · CC BY-SA 4.0 · Wikimedia CommonsOpen Water SwimmingOpen Swim Stars
Open Swim Harmonie Mutuelle La Baule
La Baule-Escoublac, France
Date to be announcedDate TBA
5 km2.5 km2 km1 km+1
Nature & Off-RoadSeaside & Coast+1
Photo: PQ77wd · CC BY-SA 4.0 · Wikimedia CommonsOpen Water SwimmingOpen Swim Stars
Open Swim Harmonie Mutuelle Paris
Paris, France
Date to be announcedDate TBA
5 km2 km1 km500 m
City RunRelay+4
Photo: MarinaelPortet · CC BY-SA 4.0 · Wikimedia CommonsOpen Water SwimmingOpen Swim Stars
Harmonie Mutuelle Cassis Open Swim
Cassis, France
Date to be announcedDate TBA
10 km5 km3.5 km2 km+2
Lakes & PondsNature & Off-Road+2
Photo: Javid Nikpour / Mehr News Agency · CC BY 4.0 · Wikimedia CommonsRoad RunningTrail Running
Cross du Courrier de l'Ouest et de la ville d'Angers
Angers, France
November 11, 2026Date confirmed
10.52 km8.58 km6.88 km4.3 km+6
Nature & Off-RoadPublic Park+4
Photo: W. Bulach · CC BY-SA 4.0 · Wikimedia CommonsTrail Running
Trail de Plaintel
Plaintel, France
November 11, 2026Date confirmed
42 km25 km12 km6.5 km
Nature & Off-RoadCharity Run
Photo: Jörg Braukmann · CC BY-SA 4.0 · Wikimedia CommonsRoad Running
Les Boucles Saint-Quentinoise
Saint-Quentin, France
November 11, 2026Date confirmed
10 km5 km2 km950 m
City RunKids & Youth Races+1
Photo: Kris Sliver · CC BY-SA 3.0 · Wikimedia CommonsRoad RunningNordic Walking
Olsztyn Independence Run
Olsztyn, Poland
November 11, 2026Date confirmed
10 km5 km
City RunLakes & Ponds+2
Dates & Schedule
Race Calendar
Date to be announced
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Date to be announced | Open Swim Harmonie Mutuelle Gerardmer | Gérardmer, Grand Est, FR | Open Water Swimming | 4.5 km2.5 km2 km1 km |
| Date to be announced | Open Swim Harmonie Mutuelle La Baule | La Baule-Escoublac, Pays de la Loire, FR | Open Water Swimming | 5 km2.5 km2 km1 km |
| Date to be announced | Open Swim Harmonie Mutuelle Paris | Paris, Île-de-France, FR | Open Water Swimming | 5 km2 km1 km500 m |
| Date to be announced | Harmonie Mutuelle Cassis Open Swim | Cassis, Provence-Alpes-Côte d’Azur, FR | Open Water Swimming | 10 km5 km3.5 km2 km |
November 2026
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Nov 11, 2026 | Cross du Courrier de l'Ouest et de la ville d'Angers | Angers, Pays de la Loire, FR | Road RunningTrail Running | 10.52 km8.58 km6.88 km4.3 km |
| Nov 11, 2026 | Trail de Plaintel | Plaintel, Brittany, FR | Trail Running | 42 km25 km12 km6.5 km |
| Nov 11, 2026 | Les Boucles Saint-Quentinoise | Saint-Quentin, Hauts-de-France, FR | Road Running | 10 km5 km2 km950 m |
| Nov 11, 2026 | Olsztyn Independence Run | Olsztyn, Warmian-Masurian Voivodeship, PL | Road RunningNordic Walking | 10 km5 km |
| Nov 11, 2026 | Gdynia Independence Run | Gdynia, Pomerania Voivodeship, PL | Road RunningNordic Walking | 10 km1.92 km |
| Nov 11, 2026 | Le Trail de la Saint Martin | Saint-Martin-de-Londres, Occitanie, FR | Trail RunningWalking & Hiking | 18 km10 km |
| Nov 11, 2026 | Independence Run in Police | Police, West Pomerania Voivodeship, PL | Trail RunningNordic Walking | 10 km5 km |
| Nov 11, 2026 | SoliMada Trail |  Antsirabe, Vakinankaratra Region, MG | Trail RunningWalking & Hiking | 125 km106 km |
Events by Month
Overview & Route Character
Open-water swimming circuit staged in urban waterways, lakes, and coastal bays across distances from 500 m to 10 km for newcomers and endurance swimmers. Brings open-water swimming into European city centers, harbors, and natural lakes under monitored water-quality and safety standards. In the RunningCompass catalog, Open Swim Stars currently comprises 12 active events with a total of 68 individual competitions (8 events with confirmed upcoming race dates and 4 events awaiting official next-edition date confirmation). Key host venues include Gérardmer, La Baule-Escoublac, Paris, Cassis, Angers, highlighted by events such as Open Swim Harmonie Mutuelle Gerardmer, Open Swim Harmonie Mutuelle La Baule, Open Swim Harmonie Mutuelle Paris, Harmonie Mutuelle Cassis Open Swim.
Features classic freestyle swims, swim-with-fins categories, relays, and multi-distance combined rankings. Across the listed competitions in Trail Running, Open Water Swimming, Road Running, course distances span 0.5 km to 125 km with cumulative elevation gains reaching up to +4,850 m. Buoy-marked open-water loop courses in lakes, rivers, and coastal bays supported by kayak and rescue-boat escorts. 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 Open Swim Stars and how many events are included in the calendar?
Open-water swimming circuit staged in urban waterways, lakes, and coastal bays across distances from 500 m to 10 km for newcomers and endurance swimmers. The RunningCompass calendar for Open Swim Stars lists 12 verified events encompassing 68 individual races, of which 8 currently carry confirmed future race dates and 4 are scheduled with dates to be announced.
Which distances, disciplines, and qualification criteria apply to Open Swim Stars?
Events in Open Swim Stars primarily cover Trail Running, Open Water Swimming, Road Running with competition distances ranging from 0.5 km to 125 km. Features classic freestyle swims, swim-with-fins categories, relays, and multi-distance combined rankings.
What course profiles and elevation gains characterize Open Swim Stars routes?
Buoy-marked open-water loop courses in lakes, rivers, and coastal bays supported by kayak and rescue-boat escorts. Across all 68 races in this series, routes cover 0.5 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 Open Swim Stars events take place and how can I register?
Leading host cities in the catalog include Gérardmer, La Baule-Escoublac, Paris, Cassis, Angers, featuring events such as Open Swim Harmonie Mutuelle Gerardmer, Open Swim Harmonie Mutuelle La Baule, Open Swim Harmonie Mutuelle Paris, Harmonie Mutuelle Cassis Open Swim. 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.