| 10 Payares | OSM Utah Monthly Map Night | Salt Lake City, Utah, United States |
| 10 Payares | South Bay Map Night | San Jose, California, United States |
| 11 Payares | iD Community Chat |
| 11 Payares | 192. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 11 Payares | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 Payares | Mapping Route 66 Past & Present |
| 12 Payares | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 12 Payares | 221. OSM-Stammtisch Berlin-Brandenburg | Berlin, Germany |
| 12 Payares | Olomoucký listopadový mapathon | Olomouc, Czechia |
| 12 Payares | [Tours] Rencontre locale de novembre 2026 | Tours, Centre-Val de Loire, France |
| 12 Payares | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 14–15 Payares | State of the Map Kerala (SoTM Kerala) | Ettumanoor, Kerala, India |
| 14 Payares | OpenStreetMap Ireland AGM - 2026 | Dublin, Ireland |
| 15 Payares | OpenStreetMap İstanbul Mapathon | Kadıköy, Turkey |
| 15 Payares | OSM Delhi Mapping Party No.34 (South Zone) | Delhi, Delhi, India |
| 16 Payares | Rencontre Mapadour | Ondres, Nouvelle-Aquitaine, France |
| 16 Payares | Introduction to OpenStreetMap | Milan, Italy |
| 16 Payares | CartONG : Mapathons en ligne 2026-2027 |
| 16 Payares | Réunion du groupe local de Grenoble | Grenoble, Auvergne-Rhône-Alpes, France |
| 17 Payares | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 Payares | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 Payares | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 Payares | FOSSGIS AG OSM und Outdoor | Berlin, Germany |
| 17 Payares | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 Payares | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Payares | Mott MacDonald GIS Day Mapathon [18/10/2026] | Sunderland, England, United Kingdom |
| 18 Payares | Pegasus Group Mapathon Charity Day | Manchester, England, United Kingdom |
| 18 Payares | Cal Poly Humboldt GIS Day Mapathon | Arcata, California, United States |
| 18 Payares | Eugene Bike Infrastructure Mapathon | Eugene, Oregon, United States |
| 18 Payares | Tetra Tech Ireland GIS Day Mapathon | Dún Laoghaire, Ireland |
| 18 Payares | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 18 Payares | Internationale GeoWeek - Online Mapathon ÄRZTE OHNE GRENZEN (AT/CH/DE) |
| 19 Payares | Pražský GeoWeek mapathon s Lékaři bez hranic | Prague, Czechia |
| 19 Payares | GeoWeek Luxembourg Mapathon [FR/EN] - Hybrid |
| 19 Payares | Meetup in Gent | Ghent, East Flanders, Belgium |
| 20 Payares | OSMF Engineering Working Group meeting |
| 20 Payares | Friends of MSF Leicester Mapathon | Leicester, England, United Kingdom |
| 21 Payares | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 21 Payares | OSM Suomi 2026 | Espoo, Uusimaa, Finland |
| 22 Payares | EWB Student Mapathon Denmark | Kongens Lyngby, Capital Region of Denmark, Denmark |
| 22 Payares | 1. OSM Stammtisch Fulda | Fulda, Hesse, Germany |
| 23 Payares | Listopadový brněnský Missing Maps Mapathon na Ústavu botaniky a zoologie | Brno, South Moravian Region, Czechia |
| 23 Payares | CartONG : Mapathons en ligne 2026-2027 |
| 23 Payares | Mapwyr Cymru: Mapathon Gogledd Cymru #2 🏴 | Llanfairfechan, Wales, United Kingdom |
| 23 Payares | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 24 Payares | Unibo Mapathon 2026-11 | Bologna, Emilia-Romagna, Italy |
| 24 Payares | Pravidelný Missing Maps CZ-SK online Mapathon |
| 24 Payares | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24 Payares | South Bay Map Night | San Jose, California, United States |
| 24 Payares | OSM-Verkehrswende #80 | Berlin, Germany |
| 25 Payares | Réunion du groupe local de Nancy | Vandœuvre-lès-Nancy, Great East, France |
| 25 Payares | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 25 Payares | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 Payares | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 25 Payares | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 30 Payares | CartONG : Mapathons en ligne 2026-2027 |
| 1 Avientu | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Avientu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 2 Avientu | iD Community Chat |
| 2 Avientu | Maptime Amsterdam: Map & Meet | Amsterdam, North Holland, Netherlands |
| 2 Avientu | Stammtisch Hannover |
| 2 Avientu | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 3 Avientu | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 3 Avientu | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 Avientu | Speck&Tech Mapathon 2026 Christmas edition | Mestriago, Trentino – Alto Adige/Südtirol, Italy |
| 5 Avientu | OpenStreetMap Térképész-workshop | Budapest, Hungary |
| 5 Avientu | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 Avientu | OpenStreetMap x Wikidata Taipei #95 | Station Front, Taipei, Taiwan |
| 8 Avientu | Hamburger Mappertreffen | Hamburg, Germany |
| 8 Avientu | South Bay Map Night | San Jose, California, United States |
| 8 Avientu | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 Avientu | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 Avientu | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 10 Avientu | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 Avientu | 193. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 13 Avientu | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 13 Avientu | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 Avientu | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 Avientu | CartONG : Mapathons en ligne 2026-2027 |
| 15 Avientu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 Avientu | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 Avientu | East Midlands pub meet-up | Derby, England, United Kingdom |
| 15 Avientu | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 Avientu | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Avientu | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Avientu | Potsdamer Mappertreffen | Potsdam, Brandenburg, Germany |
| 18 Avientu | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 21 Avientu | CartONG : Mapathons en ligne 2026-2027 |
| 22 Avientu | South Bay Map Night | San Jose, California, United States |
| 5 Xineru | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 5 Xineru | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 11 Xineru | CartONG : Mapathons en ligne 2026-2027 |
| 11 Xineru | OpenStreetMap x Wikidata Taipei #96 | Chengnei, Taipei, Taiwan |
| 12 Xineru | Hamburger Mappertreffen | Hamburg, Germany |
| 13 Xineru | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 18 Xineru | CartONG : Mapathons en ligne 2026-2027 |
| 19 Xineru | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 25 Xineru | CartONG : Mapathons en ligne 2026-2027 |
| 25 Xineru | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 Xineru | OSM-Verkehrswende #81 | Berlin, Germany |
| 29–30 Xineru | Mapping USA 2027 |
| 1 Febreru | CartONG : Mapathons en ligne 2026-2027 |
| 2 Febreru | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 8 Febreru | CartONG : Mapathons en ligne 2026-2027 |
| 9 Febreru | Hamburger Mappertreffen | Hamburg, Germany |
| 13–14 Febreru | Karlsruhe Hack Weekend February 2027 | Karlsruhe, Baden-Württemberg, Germany |
| 15 Febreru | CartONG : Mapathons en ligne 2026-2027 |
| 15 Febreru | OpenStreetMap x Wikidata Taipei #97 | Chengnei, Taipei, Taiwan |
| 16 Febreru | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 22 Febreru | CartONG : Mapathons en ligne 2026-2027 |
| 1 Marzu | CartONG : Mapathons en ligne 2026-2027 |
| 2 Marzu | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 2 Marzu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 6–7 Marzu | FOSSGIS 2027: Mapping-Party | Heidelberg, Baden-Württemberg, Germany |
| 8 Marzu | CartONG : Mapathons en ligne 2026-2027 |
| 8 Marzu | OpenStreetMap x Wikidata Taipei #98 | Chengnei, Taipei, Taiwan |
| 9–12 Marzu | FOSSGIS 2027 | Heidelberg, Baden-Württemberg, Germany |
| 13 Marzu | FOSSGIS 2027: OSM-Samstag | Heidelberg, Baden-Württemberg, Germany |
| 15 Marzu | CartONG : Mapathons en ligne 2026-2027 |
| 16 Marzu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 22 Marzu | CartONG : Mapathons en ligne 2026-2027 |
| 29 Marzu | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 6 Abril | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 12 Abril | CartONG : Mapathons en ligne 2026-2027 |
| 12 Abril | OpenStreetMap x Wikidata Taipei #99 | Chengnei, Taipei, Taiwan |
| 16–17 Abril | Q2 DataRide 2027 | Mannheim, Baden-Württemberg, Germany |
| 19 Abril | CartONG : Mapathons en ligne 2026-2027 |
| 20 Abril | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 26 Abril | CartONG : Mapathons en ligne 2026-2027 |
| 3 Mayu | CartONG : Mapathons en ligne 2026-2027 |
| 4 Mayu | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 4 Mayu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 10 Mayu | CartONG : Mapathons en ligne 2026-2027 |
| 10 Mayu | OpenStreetMap x Wikidata Taipei #100 | Chengnei, Taipei, Taiwan |
| 18 Mayu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 24 Mayu | CartONG : Mapathons en ligne 2026-2027 |
| 31 Mayu | CartONG : Mapathons en ligne 2026-2027 |
| 31 Mayu | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 Xunu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 14 Xunu | CartONG : Mapathons en ligne 2026-2027 |
| 14 Xunu | OpenStreetMap x Wikidata Taipei #101 | Chengnei, Taipei, Taiwan |
| 15 Xunu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 21 Xunu | CartONG : Mapathons en ligne 2026-2027 |
| 28 Xunu | CartONG : Mapathons en ligne 2026-2027 |
| 6 Xunetu | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 6 Xunetu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 12 Xunetu | OpenStreetMap x Wikidata Taipei #102 | Chengnei, Taipei, Taiwan |
| 20 Xunetu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 26 Xunetu | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 3 Agostu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 9 Agostu | OpenStreetMap x Wikidata Taipei #103 | Chengnei, Taipei, Taiwan |
| 17 Agostu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 6 Setiembre | OpenStreetMap x Wikidata Taipei #104 | Chengnei, Taipei, Taiwan |
| 7 Setiembre | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 7 Setiembre | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 21 Setiembre | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 27 Setiembre | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 4 Ochobre | OpenStreetMap x Wikidata Taipei #105 | Chengnei, Taipei, Taiwan |
| 5 Ochobre | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 19 Ochobre | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 2 Payares | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 2 Payares | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 8 Payares | OpenStreetMap x Wikidata Taipei #106 | Chengnei, Taipei, Taiwan |
| 16 Payares | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 29 Payares | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 6 Avientu | OpenStreetMap x Wikidata Taipei #107 | Chengnei, Taipei, Taiwan |
| 7 Avientu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 21 Avientu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |