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›Norway›Toughest|2026 · 25 countries·89,383Events
Map showing the area around Oslo, Norway
Tue
26
May
Run·6 km

Borredalen Rundt

Fredrikstad, NO
Tue
26
May
Run·5 km

Dalajoggen vår 2026

Tverrelvdalen, NO
Tue
26
May
Run·1 km·3 km·5 km

Dalakarusellen - Dalajoggen

Alta, NO
Tue
26
May
Run·5 km

Klæbu løpeklubbs mosjonskarusell løp 2

Trondheim, NO
Tue
26
May
Run·4 km

Sport 1 Karusellen Løp 3, Lysløypa rundt

Midt-Telemark, NO
Tue
26
May
Run·3 km

Sport 1 Karusellen 2026 Løp 3 Lysløypa rundt

Bø, NO
Tue
26
May
Run·4 km·6 km

Sparebanken Norge Terrengkarusellen - Fevik

Arendal, NO
Tue
26
May
Run·5 km·10 km·6 km

Terrengløpskarusellen

Dåsnes, NO
Tue
26
May
Run·6 km

Trimkarusellen Grenland - Uræddløypa

Porsgrunn, NO
Tue
26
May
Run·4 km·8 km

Vesterålskarusellen - Løp 5 - Blåbyhallen

Sortland, NO
Tue
26
May
Run·10 km·12 km

Bergen Fjellkarusell Løp 3 Haugsvarden og Ulriken

Bergen, NO
Tue
26
May
Run·1 km·3 km·5 km

GT-Karusellen Løp 3 - Karidalen

Østre Toten, NO
Tue
26
May
Run·4 km·6 km

Harstadkarusellen - Rema Kilamyra - Brannhågen

Harstad, NO
Tue
26
May
Run·5 km·10 km

Kongsvingerkarusellen - 4. løp: Liermoen

Kongsvinger, NO
Tue
26
May
Run·5 km

Sturlas markakarusell - 2. løp

Drammen, NO
Tue
26
May
Run·4 km·8 km

Terrengkarusellen Arendal/Grimstad

Grimstad Municipality, NO
Tue
26
May
Run·5 km

Terrengkarusellen Kvinesdal - Søyland skole

Flekkefjord, NO
Wed
27
May
Run·2 km·4 km

Gloppetrimmen

Gloppen, NO
Wed
27
May
Run·3 km

Holavatnet rundt 8

Osterøy, NO
Wed
27
May
Run·5 km·10 km

Tromsøkarusell 4. løp - Krokenmila

Tromsø, NO
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Toughest

Saturday, September 5, 2026 · Oslo, Norway

Distances

8km

About this race

Toughest is an obstacle course race series offering distances from a 2 km Family course to a 16 km Double Distance option. Established in 2013, it provides several levels: Family for children and groups, Xplore for beginners, the 8 km main race for the full OCR format, Double Distance for a more challenging day, and Elite for athletes seeking the most difficult version. The Xplore course is 4 km, features simpler obstacles, omits the most demanding sections, and does not include timing. The courses incorporate obstacles like Ramp, Arm Bike, Mudland, Climb, Strength, Crawl, Holmenkollen, and Dragon's Back. Holmenkollen is noted as unique globally, while Dragon's Back is the signature obstacle with international recognition. Toughest also operates an online training portal, offering videos on obstacle techniques, advice, and training plans, and provides corporate packages for team building. The series reports that 95% of participants express a desire to compete again, and participants have selected it as Europe's best obstacle course race for seven consecutive years.

Start location

Map showing the location of Toughest
Oslo, Oslo
Driving directions
Find Registration

Most events have direct register links, but you must search for this one.

Typical weatherSeptember

19°Clow 10°C
45mm precip avg
Cloudy most days
Cooling, ideal racing temps.

Please verify event details with the organizer before registering.

Recent edits