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, 20-22 of April 2018. TEC as it’s called is arranged for the 10th time 2018 and we can offer you 50 miles both a day and a night race, 100 miles,  200 miles and also TEC Backyard Ultra.

The race 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 new distance “Backyard” it will be a lap of 6,7 km and you start at 20th of April 18.00 (06.00 pm) and the second lap starts 19.00 (07.00 pm) and continues like that until it’s one runner left.
Organizer & Race Director

David Sundvall