101 Kilometres in 24 Hours - La Legión vs Ultra Trail Bosques del Sur
101 Kilometres in 24 Hours - La Legión (101km, 2819m D+) vs Ultra Trail Bosques del Sur (70km, 3700m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Advanced 
Advanced Physical profile
| 101 Kilometres in 24 Hours - La Legión | Ultra Trail Bosques del Sur | |
|---|---|---|
| Date | 9 May 2026 | 30 May 2026 |
| Terrain | Mountain | Trail |
| Difficulty | Advanced | Advanced |
| Max elevation gain | 2,819m D+ | 3,700m D+ |
| Max ITRA | — | 3 |
Distances — 101 Kilometres in 24 Hours - La Legión
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Individual March 101K | 101 | 2,819 | 24h |
Distances — Ultra Trail Bosques del Sur
| Name | Km | D+ | ITRA | Max Time |
|---|---|---|---|---|
| Ultra 70K | 70 | 3,700 | 3 | 17h |
| Marathon 42K | 42 | 2,438 | 1 | 10h |
| Half 21K | 21 | 1,190 | — | 5h |
| Mini 10K | 10 | 600 | — | 3h |
| Kids 4K | 4 | 100 | — | 1h 30min |
Logistics & costs
| 101 Kilometres in 24 Hours - La Legión | Ultra Trail Bosques del Sur | |
|---|---|---|
| Location | Ronda, Málaga, Andalusia | Cazorla, Andalusia |
| Distance between venues | 231 km | |
| Registration opens | 24 January 2026 | 16 February 2026 |
| Registration closes | 30 April 2026 | — |
| Mandatory Gear | 6 mandatory items | 6 mandatory items |
| Official website | Visit | Visit |
Pack 360 — Services
Registration
101 Kilometres in 24 Hours - La Legión
No recommendations
Ultra Trail Bosques del Sur
No recommendations
Accommodation
101 Kilometres in 24 Hours - La Legión
No recommendations
Ultra Trail Bosques del Sur
No recommendations
Gear
101 Kilometres in 24 Hours - La Legión
-
Salomon Speedcross 6Recommended for bothSalomon
Ultra Trail Bosques del Sur
- Salomon Speedcross 6Recommended for both
Salomon
Nutrition
101 Kilometres in 24 Hours - La Legión
-
Bocadillo de Guayaba Gourmet LatinoRecommended for bothGourmet Latino
Ultra Trail Bosques del Sur
- Bocadillo de Guayaba Gourmet LatinoRecommended for both
Gourmet Latino
Transport
101 Kilometres in 24 Hours - La Legión
No recommendations
Ultra Trail Bosques del Sur
No recommendations
Car Rental
101 Kilometres in 24 Hours - La Legión
-
Recommended for both -
Recommended for both
Ultra Trail Bosques del Sur
- Recommended for both
- Recommended for both
Insurance
101 Kilometres in 24 Hours - La Legión
No recommendations
Ultra Trail Bosques del Sur
No recommendations
Body Care
101 Kilometres in 24 Hours - La Legión
-
Julbo AerospeedRecommended for bothJulbo
-
Buff CoolNet UV+Recommended for bothBuff
-
Salomon Cross VisorRecommended for bothSalomon
Ultra Trail Bosques del Sur
- Julbo AerospeedRecommended for both
Julbo
- Buff CoolNet UV+Recommended for both
Buff
- Salomon Cross VisorRecommended for both
Salomon
Sun Protection
101 Kilometres in 24 Hours - La Legión
-
Recommended for both -
Recommended for both
Ultra Trail Bosques del Sur
- Recommended for both
- Recommended for both
Summary
If you're looking for a longer distance, 101 Kilometres in 24 Hours - La Legión is the choice. If you prefer a shorter and more accessible race, consider Ultra Trail Bosques del Sur. In terms of elevation gain, Ultra Trail Bosques del Sur is the more demanding option. Both races offer a complete Pack 360 with everything you need for race day.
Frequently asked questions
Which is harder, 101 Kilometres in 24 Hours - La Legión or Ultra Trail Bosques del Sur?
When does each race take place?
How many distances does each race offer?
What type of terrain does each race have?
Do I need the same mandatory gear for both?
Plan your race
Compare Spain's best trail running races side by side. Analyze distances, elevation, registration prices, mandatory gear and the complete Pack 360 to make the best decision.