
ITALIE · Veneto
Dolomiti Extreme Trail 103km: The Ronda delle Cime, Measured
Informations clés
Distance
103 km
Date
Droit d’inscription
180 EUR
€ / km
€1.75
Nouvelle date en attente
Cette course a déjà eu lieu. La date de la prochaine édition est en attente.
Raw Dolomites brutality: steep ravines, technical rock, and relentless climbing in tiny mountain villages.
Dolomiti Extreme Trail 103 km — the 'Ronda delle Cime' (Ring of Peaks) — is a night-start Dolomites ultra held in Forno di Zoldo, Veneto, Italy, on June 12–13, 2026, starting at 22:00 and circling the peaks of the Zoldo valley within the UNESCO Dolomites World Heritage Site. The course covers 103 km with 6,400 m of gain (~62 m/km) — 38th most elevation-dense of 383 measured courses in the DTR database. Passes include Monte Rite (2,180m) at km 80, home to the Reinhold Messner Mountain Museum, and the infamous Calada descent — 527m over 2.07km at −25.5% average — at km 85, requiring rope-assisted descent on technical Dolomite rock. The average uphill gradient of 15.8% ranks 53rd of 390 in the DTR database. 12km of the course exceeds 20% gradient; the opening 10km includes two climbs above 60% maximum gradient. Entry costs €1.75/km (€180 until April 2026). Venice Airport (VCE) approximately 2–3 hrs by car. UTMB: 5 points. Founded 2016 / ~270 finishers 2025. Suits highly experienced alpine ultra runners seeking technical Dolomite terrain and UTMB qualification.
Élévation et Terrain
Mètres totaux
6,400m
D+/KM
62.1m/km
Pour référence, le Tor des Géants 330 km a 73 D+/km.
Pente montante moyenne
15.8%
Pente descendante moyenne
-16.2%
Distribution du gradient de montée
| 2–5% | 7.9 km | |
|---|---|---|
| 5–10% | 9.4 km | |
| 10–15% | 7.3 km | |
| 15–20% | 5.3 km | |
| 20%+ | 12 km |
Profil de parcours
AnalysedDétail du terrain
| 42.1% | Montée |
|---|---|
| 16.9% | Plat |
| 41% | Descente |
Terrain
Ascensions
Principales montées
| Rank | Length | Elevation gain | Start km | Average gradient | Max gradient |
|---|---|---|---|---|---|
| 1 | 3.6 km · 578 m gain starts km 75 · avg 16.2% · max 50.9% | ||||
| 2 | 4.3 km · 565 m gain starts km 7 · avg 13.3% · max 70.4% | ||||
| 3 | 3.7 km · 505 m gain starts km 3 · avg 13.6% · max 61.7% |
Principales descentes
| Rank | Length | Elevation drop | Start km | Average gradient | Max gradient |
|---|---|---|---|---|---|
| 1 | 4.9 km · 639 m drop starts km 78 · avg -13.1% · max -62.7% | ||||
| 2 | 2.1 km · 527 m drop starts km 86 · avg -25.4% · max -100.1% | ||||
| 3 | 4.3 km · 504 m drop starts km 18 · avg -12% · max -44.7% |
Dolomiti Extreme Trail 103km: The Ronda delle Cime, Measured
How Hard Is the Dolomiti Extreme Trail 103km? (Top-10% Elevation Density and What the Calada Actually Is)▼
Q: How hard is the Dolomiti Extreme Trail 103km? A: Among the most technically demanding 100km races in the DTR database. The course covers 103km with 6,400m of gain — 62m per kilometre, ranking 38th of 383 measured courses for elevation density (top 10%). The average uphill gradient is 15.8% (53rd of 390 — top 14%). The first 10km includes two climbs with maximum gradients above 60%, run in darkness from a 22:00 start. At km 85, the Calada descent drops 527m over 2.07km at -25.5% average — requiring ropes on Dolomite rock. Race reports describe 'climbing with hands' and 'hanging from ropes over cliff faces.'
Course Profile — Night Start, the Messner Museum at km 80, and the Calada Rope Descent▼
Q: What is the 'Calada' at the Dolomiti Extreme Trail? A: The Calada is the race's most notorious section — a descent of approximately 527m over 2.07km at -25.5% average gradient at km 85, requiring rope-assisted descent on technical Dolomite rock. The official course notes flag it for 'extreme caution.' Runner reports describe lowering over cliff faces using fixed ropes. It arrives at km 85 of a 30-hour race — when fatigue is maximum.
5 UTMB Points in UNESCO Dolomites for €180: The DXT103 Credentials and Cost▼
Q: How much does the Dolomiti Extreme Trail 103km cost? A: €180 until April 30, 2026; rising to €195 in May 2026. At €1.75/km, moderately priced for a UTMB 5-point qualifier in UNESCO World Heritage terrain. Group discounts: 5% for 6–10 members, 10% for 11+.
Getting to Forno di Zoldo: Venice Airport, Mountain Road, and Val di Zoldo Accommodation▼
Q: Is the Dolomiti Extreme Trail 103km a UTMB qualifier? A: Yes — the DXT 103km awards 5 UTMB points. It is part of the Europe Trail Cup championship. The 55km sibling sold out; the 103km is not sold out as of the research date.
Fichiers de course
Logistique
Aéroport le plus proche
Venice (VCE) / Treviso (TSF)
Notes
Start: ~2–3 hrs (car) / Public transport: Limited; car strongly recommended / Accommodation: Mountain villages; limited inventory—book early

