RunThrough Ultra Trail Girona vs Zegama-Aizkorri
RunThrough Ultra Trail Girona (103km, 2881m D+) vs Zegama-Aizkorri (42km, 2736m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Advanced
ElitePhysical profile
| RunThrough Ultra Trail Girona | Zegama-Aizkorri | |
|---|---|---|
| Date | 3 April 2027 | 24 May 2026 |
| Terrain | Trail | Skyrunning |
| Difficulty | Advanced | Elite |
| Max elevation gain | 2,881m D+ | 2,736m D+ |
| Max ITRA | — | 3 |
Distances — RunThrough Ultra Trail Girona
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Ultra 103K | 103 | 2,881 | 24h |
| Trail 50K | 50 | 1,129 | 14h |
| Trail 26K | 26 | 454 | 8h |
Distances — Zegama-Aizkorri
| Name | Km | D+ | ITRA | Max Time |
|---|---|---|---|---|
| Maratón Zegama-Aizkorri 42K | 42 | 2,736 | 3 | 10h |
| Kilómetro Vertical | 4.5 | 1,050 | 1 | 2h |
Logistics & costs
| RunThrough Ultra Trail Girona | Zegama-Aizkorri | |
|---|---|---|
| Location | Girona, Catalonia | Zegama, Basque Country |
| Distance between venues | 434 km | |
| Registration opens | — | 10 January 2026 |
| Registration closes | — | 30 April 2026 |
| Mandatory Gear | 4 mandatory items | 1 mandatory items |
| Official website | Visit(opens in a new tab) | Visit(opens in a new tab) |
Pack 360 — Services
Registration
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Accommodation
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Gear
RunThrough Ultra Trail Girona
Recommended for both
Zegama-Aizkorri
Recommended for both
Nutrition
RunThrough Ultra Trail Girona

Precision Fuel & Hydration PH 1500(opens in a new tab)Precision Fuel & Hydration
Zegama-Aizkorri
Gourmet Latino Guava Sandwich(opens in a new tab)Gourmet Latino
Transport
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Car Rental
RunThrough Ultra Trail Girona
Recommended for both
Zegama-Aizkorri

Recommended for both
Insurance
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Body Care
RunThrough Ultra Trail Girona


Leukotape P Sports Tape(opens in a new tab)Recommended for bothBSN Medical (Leukotape)
Squirrel's Nut Butter Anti-Chafe Cream(opens in a new tab)Recommended for bothSquirrel's Nut Butter
Recommended for both
Recommended for both

Zegama-Aizkorri
Leukotape P Sports Tape(opens in a new tab)Recommended for bothBSN Medical (Leukotape)
Squirrel's Nut Butter Anti-Chafe Cream(opens in a new tab)Recommended for bothSquirrel's Nut Butter
Recommended for both
Recommended for both
Sun Protection
RunThrough Ultra Trail Girona
Recommended for both
Zegama-Aizkorri
Recommended for both
Terrain and elevation
RunThrough Ultra Trail Girona is classified as Trail, while Zegama-Aizkorri is Skyrunning — different technical demands on paper. On its longest distance, Zegama-Aizkorri climbs around 65m per km versus 28m/km on the other race — the higher that ratio, the steeper and more technical the climbs tend to be.
Location and travel
RunThrough Ultra Trail Girona (Catalonia) and Zegama-Aizkorri (Basque Country) sit roughly 434km apart — worth factoring into travel plans if you're weighing both for the same season.
Entry price
Zegama-Aizkorri is the cheaper entry, starting from €25 versus €35 for RunThrough Ultra Trail Girona — a €10 gap on the entry-level distance.
Time of year
RunThrough Ultra Trail Girona runs in April and Zegama-Aizkorri in May, so both fit in the same season if you want to race them separately. RunThrough Ultra Trail Girona falls right in its region's recommended window. Zegama-Aizkorri falls right in its region's recommended window.
Mandatory gear
The two mandatory gear lists don't overlap at all. RunThrough Ultra Trail Girona additionally requires frontal, silbato, telefono and 1 more; Zegama-Aizkorri additionally requires cortavientos.
Summary
If you're looking for a longer distance, RunThrough Ultra Trail Girona is the choice. If you prefer a shorter and more accessible race, consider Zegama-Aizkorri. In terms of elevation gain, RunThrough Ultra Trail Girona 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, RunThrough Ultra Trail Girona or Zegama-Aizkorri?
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