Tyresö Extreme Challenge (TEC) - 100 miles

Race completed

161 km Distance

3,525 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 30 hours 11:11 min/km average. Generous. Walkable throughout for most of the field. Tighter than 70% of 100 mi races. Measured against 30 races of the same distance. Cut-off calculator →

Field size ~20 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	100mi	20	Melker Jensen · 17:39:36	Susann Eriksson · 26:29:45
2025	160.9km	30	Richard Hartgers · 18:38:05	Liselott Jezek · 22:44:39
2024	160.7km	53	Andreas Truskog · 15:52:56	Linda Wiese · 18:57:26
2023	160.7km	56	Emil Söderlund · 17:37:59	Liselott Jezek · 21:02:52
2022	160.7km	66	Henrik Hult · 16:12:40	Jenny Josefsson · 18:51:53
2021	160.7km	19	Kristoffer Sjöberg · 15:52:27	Nina Rolfsdotter · 22:44:04
2020	100mi	33	Magnus Rabe · 14:47:42	Charlotte La Fleur · 20:42:09
2020	100mi	3	Ken Zemach · 18:28:25	—
2020	100mi	12	Simon Axelsson · 18:15:30	Sandra Lundqvist · 18:54:41
2019	100mi	107	Sebastian Pokorny · 15:13:30	Anna Carlsson · 16:52:39

The field shrank 33% between 2025 (30) and 2026 (20). 15% of the 2026 field were women.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 161 km of trail with 3,525 m of ascent.

Trail Running Shoes 22 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 161 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,525 m of ascent to walk up.
Headlamps A 30 h limit puts you out there after dark.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Spring Energy