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A Mapathon is a coordinated mapping event. It is often held inside (armchair mapping) but can also be an outside or combined activity.

The page on Universities includes institutions that have had or have active OSM communities that may be willing to collaborate with future mapathon activities.


How to Host a Mapathon

Source material comes from the Missing Maps[1] initiative which includes details on how to plan the logistics and details of a mapathon event.

Planning Checklist

Have you thought about the following components?:

  • Choosing a date
  • Recruiting volunteers to help with event
  • 3rd party planning tools (such as eventbrite) to register and recruit more volunteers
  • Specific goals (eg. using tasking manager from hotosm
  • Theme of the mapping event
  • Strong internet/wifi signals
  • If using tasking manager, making sure it passes local internet system firewall
  • Sufficient and accommodating seating and tables
  • Projector & audio visual equipment
  • Computers or laptops for all participants
  • Computer mice for all participants
  • Contact info for rented tech and support staff
  • Extra extension cords
  • Print materials ready
  • Snacks and related materials (napkins, plates, etc.)

Event Day Checklist

  • Set-up room
  • Test internet/wifi and tasking manager for various OS (such as windows and apple) and browsing applications
  • Tape down extension cords
  • Set up registration table
  • Lay out printed materials
  • Prepare presentations
  • Set up snacks
  • Ensure fun atmosphere!

Peru Mapathons

Openstreetmap Perú organized some mapathons:

US Mapathons

OpenStreetMap US calls quarterly mapathons, held in various cities on the same weekend, all focused on improving the US map (more on mapathons in the US):

The hashtag #mapathon (previously #editathon) is used on every changeset committed during a Mapathon event. This way, we can keep track of how much progress was made.

See also


  1. “Missing Maps.” Www.Missingmaps.Org, Accessed 9 Oct. 2020. ‌