Photo: © S1 Trail – La Corsa della BoraLa Corsa della Bora
Aurisina / Nabrežina (TS), Friuli-Venezia Giulia12th editionChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
At a glance
La Corsa della Bora 2027 takes place on 9 January 2027 – 10 January 2027 in Aurisina / Nabrežina (TS), Friuli-Venezia Giulia. Distances: 116.2 km, 61.2 km, 55 km, 35.8 km, 23 km, 14.5 km, 4 km. Start at 07:00 from Trieste centro (Bora Ultra e Trieste Ultra, sabato sera); PortoPiccolo, Bora Village (le altre gare, domenica).
- Date
- Saturday, 9 January 2027 – Sunday, 10 January 2027
- Location
- Aurisina / Nabrežina (TS), Friuli-Venezia Giulia, Italy
- Start
- Trieste centro (Bora Ultra e Trieste Ultra, sabato sera); PortoPiccolo, Bora Village (le altre gare, domenica)
- Finish
- PortoPiccolo, Bora Village (Sistiana, Duino Aurisina)
- Distances
- S1 Bora Ultra · Competitive
- S1 Trieste Ultra · Competitive
- S1 TransKarst Ultra · Competitive
- S1 Borderless Trail · Competitive
- S1 Half Trail · Competitive
- S1 Half Trail non competitiva · Non-competitive
- S1 Family Hike & Trail · Competitive
- S1 Borin · Competitive
- Start times
- S1 Bora Ultra 19:00 · S1 Trieste Ultra 19:00 · S1 TransKarst Ultra 07:00 · S1 Borderless Trail 09:00 · S1 Half Trail 09:30 · S1 Half Trail non competitiva 10:00 · S1 Family Hike & Trail 10:00 · S1 Borin 10:00
- ITRA points
- S1 TransKarst Ultra 2 · S1 Half Trail 1
- Entry fees
- S1 Bora Ultra €116 · S1 Trieste Ultra €61 · S1 TransKarst Ultra €55 · S1 Borderless Trail €36 · S1 Half Trail €22 · S1 Family Hike & Trail €14 · S1 Borin €5
- Registration
- Registration open · Register now ↗
- Official website
- s1trail.com ↗
- Edition
- 12th edition
- Series
- UTMB World Series
Last updated: 19 October 2026
The race
La Corsa della Bora is S1 Trail's winter trail race on the Karst plateau between Trieste and Slovenia: the 12th edition takes place on Saturday 9 and Sunday 10 January 2027, with seven distances from 4 to 116 km and the finish at the Bora Village in PortoPiccolo. The courses change every year, and in 2027 they are all new.
On Saturday at 19:00 the two night races start from central Trieste:
- Bora Ultra, 116.2 km and 3,930 m D+
- Trieste Ultra, 61.2 km and 2,323 m D+
On Sunday everything starts from PortoPiccolo:
- TransKarst, 55 km and 1,594 m D+, at 7:00
- Borderless, 35.8 km and 787 m D+, at 9:00
- Half Trail, 23 km and 693 m D+, at 9:30 (non-competitive version at 10:00)
- Family Hike & Trail, 14.5 km, and Borin, 4 km, at 10:00
The longer races count for the UTMB Index and ITRA. The base fee is about €1 per kilometre and rises in steps towards race day; you can cancel freely up to 72 hours before, keeping a credit valid for three years. Prize-giving on Sunday from 14:00 at the Bora Village.

