Tyresö, Sweden · Friday, April 17, 2026
Fixed Distance 200 mi +
Tyresö Extreme Challenge (TEC) - 200 miles
Race completed
322 km Distance
7,042 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 22 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 54 hours
10:04 min/km average. Generous. Walkable throughout for most of the field. Among the tightest 200 mi + cut-offs we track. Measured against 14 races of the same distance. Cut-off calculator →
Field size ~1 Tiny. You will run alone for most of it.
DUV results for the 2023 edition (200mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, April
Daytime high 7°C
Night low 2°C
Rainfall Mostly dry
Daylight 14 h 34 m of light
Regional 2001-2020 average for April — NASA POWER, grid elevation 19 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 322 km of trail with 7,042 m of ascent.
- Trail Running Shoes22 m of climb per kilometre — grip and rock protection before cushioning.
- Race NutritionPast 322 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles7,042 m of ascent to walk up.
- HeadlampsA 54 h limit puts you out there after dark.
Course Notes
New course. Moved from Täby to Tyresö.
Similar races
Other 200 mi + trail ultras, closest in distance first.