101 Kilometres in 24 Hours - La Legión vs La Osera
101 Kilometres in 24 Hours - La Legión (101km, 2819m D+) vs La Osera (45km, 2300m 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 | La Osera | |
|---|---|---|
| Date | 9 May 2026 | 16 May 2026 |
| Terrain | Mountain | Mountain |
| Difficulty | Advanced | Advanced |
| Max elevation gain | 2,819m D+ | 2,300m D+ |
Distances — 101 Kilometres in 24 Hours - La Legión
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Individual March 101K | 101 | 2,819 | 24h |
Distances — La Osera
| Name | Km | D+ |
|---|---|---|
| Marathon 45K | 45 | 2,300 |
| Half Marathon 25K | 25 | 1,300 |
| Sprint Trail 12K | 12 | 600 |
| Hiking 12K | 12 | 600 |
Logistics & costs
| 101 Kilometres in 24 Hours - La Legión | La Osera | |
|---|---|---|
| Location | Ronda, Málaga, Andalusia | Paterna del Madera, Albacete, Castile-La Mancha |
| Distance between venues | 322 km | |
| Registration opens | 24 January 2026 | — |
| Registration closes | 30 April 2026 | — |
| Mandatory Gear | 6 mandatory items | 0 mandatory items |
| Official website | Visit | Visit |
Pack 360 — Services
Registration
101 Kilometres in 24 Hours - La Legión
No recommendations
La Osera
No recommendations
Accommodation
101 Kilometres in 24 Hours - La Legión
No recommendations
La Osera
No recommendations
Gear
101 Kilometres in 24 Hours - La Legión
-
Salomon Speedcross 6Recommended for bothSalomon
La Osera
- Salomon Speedcross 6Recommended for both
Salomon
Nutrition
101 Kilometres in 24 Hours - La Legión
-
Bocadillo de Guayaba Gourmet LatinoRecommended for bothGourmet Latino
La Osera
-
Maurten Gel 100Maurten
- Bocadillo de Guayaba Gourmet LatinoRecommended for both
Gourmet Latino
Transport
101 Kilometres in 24 Hours - La Legión
No recommendations
La Osera
No recommendations
Car Rental
101 Kilometres in 24 Hours - La Legión
-
Recommended for both -
Recommended for both
La Osera
- Recommended for both
- Recommended for both
Insurance
101 Kilometres in 24 Hours - La Legión
No recommendations
La Osera
No recommendations
Body Care
101 Kilometres in 24 Hours - La Legión
-
Julbo AerospeedJulbo
-
Buff CoolNet UV+Buff
-
Salomon Cross VisorSalomon
La Osera
-
After Bite Xtra GelAfter Bite
Sun Protection
101 Kilometres in 24 Hours - La Legión
-
Recommended for both -
Recommended for both
La Osera
- 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 La Osera. In terms of elevation gain, 101 Kilometres in 24 Hours - La Legión 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 La Osera?
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.