Spain · Aragon (Pyrenees)
Distance
80 km
Date
Entry fee
€120
€ / km
€1.50
New date pending
This race has already occurred. A new date for next year’s edition is pending.
The Trail Valle de Tena Ultra 80.2 km — known internally as the ""8K"" for its target of 8,000m D+ — is a mountain trail race held each September in Panticosa, Aragon, in the Spanish Pyrenees. The course covers 6,820m of elevation gain — 85m per kilometre — placing it among the top 15% most elevation-dense distances in DTR's database of nearly 390 courses. Entry costs €120–130, or €1.50 per kilometre.
The Trail Valle de Tena Ultra route climbs to the Garmo Negro summit at 3,064m, threading through the Brazatos mountain lakes and the spa village of Baños de Panticosa. Average uphill gradient is 18.7% — steeper than all but 5–10 distances in DTR's entire database — and just 7.8% of the course is flat terrain, near the minimum of any distance with GPX data. The standout climb at km 24 rises 1,374m in 5.9 km at a sustained 23.1% average, peaking at 83.3%. Zaragoza (ZAZ) or Bilbao (BIO) are the nearest airports, 116 minutes away; public transport is not realistic.
In its eleventh edition in 2026, the race starts at 5:00 AM from Panticosa's main square with a 25-hour cutoff and an OWAKA GPS safety device included in the entry fee. It suits experienced mountain runners comfortable with non-runnable terrain, sustained 20%+ gradients, and strict cutoffs.
Total Meters
6,820m
D+/KM
85.1m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
18.7%
Avg Downhill Gradient
-17.3%
| 2–5% | 4.5 km | |
|---|---|---|
| 5–10% | 5.7 km | |
| 10–15% | 5.8 km | |
| 15–20% | 6.3 km | |
| 20%+ | 14.2 km |
| 44.4% | Uphill |
|---|---|
| 7.8% | Flat |
| 47.8% | Downhill |
| 1 | 5.9 km · 1,374 m gain starts km 24 · avg 23.1% · max 83.3% |
|---|---|
| 2 | 10.5 km · 1,367 m gain starts km 0 · avg 13.0% · max 53.6% |
| 3 | 7.1 km · 759 m gain starts km 56 · avg 10.7% · max 57.5% |
| 1 | 7.5 km · 1,259 m drop starts km 49 · avg -16.8% · max -43.1% |
|---|---|
| 2 | 5.4 km · 969 m drop starts km 19 · avg -18.0% · max -55.4% |
| 3 | 7.9 km · 751 m drop starts km 64 · avg -9.0% · max -42.3% |
Extremely demanding, and explicitly designed to be. The 80.15km course gains 6,820m at an average of 85m per kilometre. Average uphill gradient is 18.67%, steeper than all, but approximately 5–10 distances in DTR's database of 390. The biggest climb starts at 24km, peaks at the Garmo Negro area. A 2018 finisher described the approach bluntly: "se prepara pateando, no corriendo" (you train for this by hiking, not running). Time limit is 25 hours.
Trail Valle de Tena Ultra 80km is held early in September, the course climbs high towards Garmo Negro summit at 3,064m where conditions shift to include cold temperatures, wind, fog, and rain. Racers face cold and dark before dawn when the race starts, transitions to potential afternoon heat in lower valleys, and alpine conditions near the summit. With these type of weather changes, racers must be equipped according to the weather demands.
The single biggest climb on the course starts at km 24 and rises 1,374m over just 5.94km. It tops out near the Garmo Negro area at approximately 3,064m. By the numbers, this is one of the most sustained and steep single ascents in DTR's database. Runners then descend through the Bachimaña area before a third major ascent near km 56.
Entry is €120 until March 31, 2026, rising to €130 from April 1 through August 30,approximately €1.50 per kilometre. The entry fee includes an OWAKA GPS satellite safety device, which is mandatory for the race. A medical certificate is also required. Any post-registration changes incur a €3 management fee.
Zaragoza (ZAZ) and Bilbao (BIO) are the nearest airports, approximately 116 minutes by road from Panticosa. Public transport is not a realistic option, a car is required. Panticosa is a small village in the Valle de Tena; book accommodation early as options are limited in this mountain resort area. The race starts at 5:00 AM from Plaza La Iglesia in the village centre.
Nearest airport
Zaragoza (ZAZ) / Bilbao (BIO)
Notes
Start: 2–3h / Public transport: not realistic
Ibiza Trail Maratón 48 km
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