Nuclear Fit
6 x 1km trail runs, 6 stations
VS
Toughest
Leading Nordic obstacle course race brand with city events across Sweden, Norway, Denmark and Finland.
Nuclear Fit
Toughest
Difficulty
Intermediate
Advanced
Typical Distance
Varies
Varies
Typical Duration
Varies
Varies
Venue Type
Mostly Outdoor
Mostly Outdoor
Average Entry Price
TBA
TBA
Total Events
3
5 ✓
Upcoming Events
1
5 ✓
Countries
0
2 ✓
Cities
1
5 ✓
Choose Nuclear Fit if...
Choose Toughest if...
- You want more event options (5 events)
- You want global availability (2 countries)
- You want a serious challenge
- View Toughest events →
Frequently Asked Questions
Is Nuclear Fit harder than Toughest?
Nuclear Fit is rated "solid" difficulty while Toughest is rated "experienced". Toughest is generally considered more challenging.
Which is better for beginners, Nuclear Fit or Toughest?
Both Nuclear Fit and Toughest require some fitness experience. Check individual event pages for specific requirements.
How many events does Nuclear Fit have compared to Toughest?
Nuclear Fit has 3 events across 0 countries. Toughest has 5 events across 2 countries.