Wielka Ursynowska sends runners onto the grass of Służewiec Racecourse in Warsaw’s Ursynów district, on the same turf normally used for horse racing. The main race starts in the morning and covers 5 km over two laps, feeling more like a short cross-country run than a road race. Children get their own shorter races before the main event, with free entry for those youth races.
The field is capped at 500 runners, and the event maintains a local feel with age categories, prizes, race numbers, and finisher medals. One unusual detail is the separate category for people who choose to run the whole course barefoot. The race returned after a four-year break and reached its ninth edition, with a charity aspect that lets participants support the St. Christopher Oncology Hospice Foundation in Ursynów.