How far are you willing to run?


About TEC at Active website

About TEC

TEC – Täby Extreme Challenge is an ultra running race in the north part of Stockholm, Sweden, 19th-21st of April 2024.

The track is on mostly gravel and some kilometers with single track in the forrest, some asphalt occeurs. One lap is 11.5km so you will run 7, 14 or 28 depending on your choise of distance!

For the distance “Backyard” it will be a lap of 6,7 km and you start at 19th of April 18.00 (06.00 pm) and the second lap starts 19.00 (07.00 pm), new start every hour and continues like that until it’s one runner left. Possibility to 45 starts. If there are two runners at the last lap the winner will be the one who cross the finish line first!
Organizer & Race Director

David Sundvall