| 8 November | Mapathon |
| 8 November | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 9 November | CartONG : Mapathons en ligne 2026-2027 |
| 9 November | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 November | OSM Utah Monthly Map Night | Salt Lake City, Utah, United States |
| 10 November | OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 10 November | London pub meet-up | City of Westminster, England, United Kingdom |
| 10 November | Hamburger Mappertreffen | Hamburg, Germany |
| 10 November | South Bay Map Night | San Jose, California, United States |
| 10 November | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 November | iD Community Chat |
| 11 November | 192. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 11 November | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 November | OSM US Mappy Hour: Mapping Route 66 Past & Present |
| 12 November | Olomoucký listopadový mapathon | Olomouc, Czechia |
| 12 November | 221. OSM-Stammtisch Berlin-Brandenburg | Berlin, Germany |
| 12 November | [Tours] Rencontre locale de novembre 2026 | Tours, Centre-Val de Loire, France |
| 12 November | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 14–15 November | State of the Map Kerala (SoTM Kerala) | Ettumanoor, Kerala, India |
| 14 November | OpenStreetMap Ireland AGM - 2026 | Dublin, Ireland |
| 15 November | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, Delhi, India |
| 16 November | CartONG : Mapathons en ligne 2026-2027 |
| 17 November | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 November | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 November | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 November | FOSSGIS AG OSM und Outdoor | Berlin, Germany |
| 17 November | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 November | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 November | Mott MacDonald GIS Day Mapathon [18/10/2026] | Sunderland, England, United Kingdom |
| 18 November | Pegasus Group Mapathon Charity Day | Manchester, England, United Kingdom |
| 18 November | Cal Poly Humboldt GIS Day Mapathon | Arcata, California, United States |
| 18 November | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 19 November | Pražský GeoWeek mapathon s Lékaři bez hranic | Prague, Czechia |
| 19 November | GeoWeek Luxembourg Mapathon [FR/EN] - Hybrid |
| 19 November | Meetup in Gent | Ghent, East Flanders, Belgium |
| 20 November | OSMF Engineering Working Group meeting |
| 20 November | Friends of MSF Leicester Mapathon | Leicester, England, United Kingdom |
| 21 November | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 21 November | OSM Suomi 2026 | Espoo, Uusimaa, Finland |
| 22 November | 1. OSM Stammtisch Fulda | Fulda, Hesse, Germany |
| 23 November | CartONG : Mapathons en ligne 2026-2027 |
| 23 November | Mapwyr Cymru: Mapathon Gogledd Cymru #2 🏴 | Llanfairfechan, Wales, United Kingdom |
| 23 November | Listopadový brněnský Missing Maps Mapathon na Ústavu botaniky a zoologie | Brno, South Moravian Region, Czechia |
| 23 November | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 24 November | Pravidelný Missing Maps CZ-SK online Mapathon |
| 24 November | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24 November | South Bay Map Night | San Jose, California, United States |
| 24 November | OSM-Verkehrswende #80 | Berlin, Germany |
| 25 November | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 25 November | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 November | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 25 November | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 30 November | CartONG : Mapathons en ligne 2026-2027 |
| 1 December | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 December | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 2 December | Maptime Amsterdam: Map & Meet | Amsterdam, North Holland, Netherlands |
| 2 December | Stammtisch | Hanover, Lower Saxony, Germany |
| 2 December | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 3 December | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 3 December | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 December | OpenStreetMap Térképész-workshop | Budapest, Hungary |
| 5 December | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 December | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 December | South Bay Map Night | San Jose, California, United States |
| 8 December | Hamburger Mappertreffen | Hamburg, Germany |
| 8 December | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 December | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 December | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 10 December | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 December | 193. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 13 December | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 13 December | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 December | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 December | CartONG : Mapathons en ligne 2026-2027 |
| 15 December | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 December | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 December | East Midlands pub meet-up | Derby, England, United Kingdom |
| 15 December | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 December | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 December | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 December | Potsdamer Mappertreffen | Potsdam, Brandenburg, Germany |
| 18 December | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 21 December | CartONG : Mapathons en ligne 2026-2027 |
| 22 December | South Bay Map Night | San Jose, California, United States |
| 5 Januar | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 5 Januar | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 11 Januar | CartONG : Mapathons en ligne 2026-2027 |
| 11 Januar | OpenStreetMap x Wikidata Taipei #96 | Chengnei, Taipei, Taiwan |
| 12 Januar | Hamburger Mappertreffen | Hamburg, Germany |
| 13 Januar | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 18 Januar | CartONG : Mapathons en ligne 2026-2027 |
| 19 Januar | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 25 Januar | CartONG : Mapathons en ligne 2026-2027 |
| 25 Januar | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 Januar | OSM-Verkehrswende #81 | Berlin, Germany |
| 29–30 Januar | Mapping USA 2027 |
| 1 Februar | CartONG : Mapathons en ligne 2026-2027 |
| 2 Februar | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 8 Februar | CartONG : Mapathons en ligne 2026-2027 |
| 9 Februar | Hamburger Mappertreffen | Hamburg, Germany |
| 13–14 Februar | Karlsruhe Hack Weekend February 2027 | Karlsruhe, Baden-Württemberg, Germany |
| 15 Februar | CartONG : Mapathons en ligne 2026-2027 |
| 15 Februar | OpenStreetMap x Wikidata Taipei #97 | Chengnei, Taipei, Taiwan |
| 16 Februar | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 22 Februar | CartONG : Mapathons en ligne 2026-2027 |
| 1 März | CartONG : Mapathons en ligne 2026-2027 |
| 2 März | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 2 März | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 6–7 März | FOSSGIS 2027: Mapping-Party | Heidelberg, Baden-Württemberg, Germany |
| 8 März | CartONG : Mapathons en ligne 2026-2027 |
| 8 März | OpenStreetMap x Wikidata Taipei #98 | Chengnei, Taipei, Taiwan |
| 9–12 März | FOSSGIS 2027 | Heidelberg, Baden-Württemberg, Germany |
| 13 März | FOSSGIS 2027: OSM-Samstag | Heidelberg, Baden-Württemberg, Germany |
| 15 März | CartONG : Mapathons en ligne 2026-2027 |
| 16 März | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 22 März | CartONG : Mapathons en ligne 2026-2027 |
| 29 März | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 6 Abrell | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 12 Abrell | CartONG : Mapathons en ligne 2026-2027 |
| 12 Abrell | OpenStreetMap x Wikidata Taipei #99 | Chengnei, Taipei, Taiwan |
| 16–17 Abrell | Q2 DataRide 2027 | Mannheim, Baden-Württemberg, Germany |
| 19 Abrell | CartONG : Mapathons en ligne 2026-2027 |
| 20 Abrell | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 26 Abrell | CartONG : Mapathons en ligne 2026-2027 |
| 3 May | CartONG : Mapathons en ligne 2026-2027 |
| 4 May | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 4 May | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 10 May | CartONG : Mapathons en ligne 2026-2027 |
| 10 May | OpenStreetMap x Wikidata Taipei #100 | Chengnei, Taipei, Taiwan |
| 18 May | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 24 May | CartONG : Mapathons en ligne 2026-2027 |
| 31 May | CartONG : Mapathons en ligne 2026-2027 |
| 31 May | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 Juni | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 14 Juni | CartONG : Mapathons en ligne 2026-2027 |
| 14 Juni | OpenStreetMap x Wikidata Taipei #101 | Chengnei, Taipei, Taiwan |
| 15 Juni | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 21 Juni | CartONG : Mapathons en ligne 2026-2027 |
| 28 Juni | CartONG : Mapathons en ligne 2026-2027 |
| 6 Juli | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 6 Juli | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 12 Juli | OpenStreetMap x Wikidata Taipei #102 | Chengnei, Taipei, Taiwan |
| 20 Juli | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 26 Juli | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 3 August | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 9 August | OpenStreetMap x Wikidata Taipei #103 | Chengnei, Taipei, Taiwan |
| 17 August | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 6 September | OpenStreetMap x Wikidata Taipei #104 | Chengnei, Taipei, Taiwan |
| 7 September | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 7 September | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 21 September | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 27 September | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 4 Oktober | OpenStreetMap x Wikidata Taipei #105 | Chengnei, Taipei, Taiwan |
| 5 Oktober | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 19 Oktober | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 2 November | OSM-Community-Treffen Münster | Münster, North Rhine-Westphalia, Germany |
| 2 November | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 8 November | OpenStreetMap x Wikidata Taipei #106 | Chengnei, Taipei, Taiwan |
| 16 November | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 29 November | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 6 December | OpenStreetMap x Wikidata Taipei #107 | Chengnei, Taipei, Taiwan |
| 7 December | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 21 December | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
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