Runmageddon Halloween is the costume edition, run in Warsaw on 31 October as a one-day, short-course event rather than a full race weekend. The obstacles are the standard Runmageddon set dressed for the occasion and the field runs in costume, so this is the least serious date on the calendar — closer to a themed mud run than a competitive OCR.
Two formulas run: Family over 2 km with 15 obstacles, open to adults running with children, and Formuła 5K over 5 km with 20 obstacles for everyone else. Neither is timed as a league round. It is an easy add-on if you are already in Warsaw for the Modlin race three weeks earlier.
| Race | Start | Distance | Training plan |
|---|---|---|---|
| Family | — | 2.0 km | Training Plan |
| Formuła 5K | — | 5.0 km | Training Plan |
Fly into one of these airports within 250km of the race venue.
Actual weather data for this date over the past 5 years.
| Year | High | Low | Wind | Rain |
|---|---|---|---|---|
| 2025 | 11°C | 5°C | 26 km/h | — |
| 2024 | 11°C | 10°C | 26 km/h | — |
| 2023 | 17°C | 11°C | 28 km/h | 2.0mm |
| 2022 | 16°C | 7°C | 11 km/h | — |
| 2021 | 16°C | 8°C | 17 km/h | — |
Planning a multi-race trip? These races are within 500km and 4 weeks of this event.
Data source: Official race page