Date
Sun, 8 Nov 2026
Start
09:30
Venue
Avalon Wellness Centre to Grotta Gigante cave, Sgonico
Sgonico / Zgonik, Trieste
Countdown
November
An 18 km trail run that ends underground: the last kilometre takes you into Grotta Gigante and up 500 steps to the finish. Modest climbing, but a finish you won't forget.
Key facts
01Finish is inside the cave: about 1 km underground, including 500 steps
02Four-hour time limit, with cut-offs at Repen (12:00) and the cave entrance (13:00)
03Minimum age 18; a valid competitive sports medical certificate is required
Create a free training plan for the Trail della Grotta Gigante
7-day free trial, no card required
The course
The route
Sgonico / Zgonik
Distance18km
Total climb700m
StartElevation
0 kmDrag map to rotate16.7 km
Weather
Early-November, Sgonico / Zgonik
14°CTypical high
9°CTypical low
0°CColdest in 20 years
40%Days with rain
Highs around 14°C and lows around 9°C, but it has dropped to 0°C. Rain on 40% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Trail della Grotta Gigante
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Trail della Grotta Gigante plan targets
Typical sessions
18 km with 700 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Trail della Grotta Gigante plan.
7-day free trial, no card required.
