Boka Bay Trail 83 km trail running route — Montenegro · Boka Kotorska (Kotor Bay)

Montenegro · Boka Kotorska (Kotor Bay)

Boka Bay Trail

Distance

83 km

Date

April 25, 2026

Entry fee

75 EUR

€ / km

€0.90

📅

New date pending

This race has already occurred. A new date for next year’s edition is pending.

Bay-to-mountain contrast: Adriatic scenery into steep Balkan climbs around Kotor’s backyard.

Elevation and Terrain

Total Meters

4100m

D+/KM

49.4m/km

For context, the Tor des Géants 330 loop has 73 D+/km.

Avg Uphill Gradient

9.7%

Avg Downhill Gradient

-9.1%

Uphill gradient distribution

2–5%
7.3 km
5–10%
10.7 km
10–15%
11.1 km
15–20%
4.4 km
20%+
1.0 km

Route Profile

Analysed 2026-05-02

Terrain breakdown

42%Uphill13%Flat45%Downhill

Terrain

CoastalAlpine

Climbs

Boka Bay Trail climbs and descents profile

Top climbs

1

9.8 km · 1142 m gain

starts km 0 · avg 11.6% · max 21.1%

2

3.9 km · 450 m gain

starts km 19 · avg 11.4% · max 17.5%

3

3.7 km · 436 m gain

starts km 57 · avg 11.9% · max 21.4%

Top descents

1

9.0 km · 1015 m drop

starts km 73 · avg -11.3% · max -25.9%

2

6.4 km · 516 m drop

starts km 40 · avg -8.1% · max -20.3%

3

6.6 km · 428 m drop

starts km 26 · avg -7.0% · max -9.4%

From Sea Level to 1,596m in 10km -- The Opening Climb That Defines the Gray Course

Q: What is the Boka Bay Trail Gray Course 83km? A: The Boka Bay Trail Gray Course is an 83km point-to-point trail ultra running from Port Skver in Herceg Novi to the City Citadel in Kotor's Old Town, Montenegro. The course covers 4,100m D+ (49.4 m/km) and connects two of the Adriatic coast's most distinctive cities via the mountain terrain surrounding the Bay of Kotor. It starts at 01:00 (overnight) and runs through dawn, with runners reaching the 1,596m high point during the night or early morning. The Gray Course was introduced in 2024; the overall Boka Bay Trail event has run since 2021 across distances from 17km to 83km. Racecheck rating: 4.9/5 from 46 reviews, Gold Award 2026. Entry fee EUR 63-99 (+5% processing). NOT FAR: Tivat Airport (TIV) is 21 minutes from the start. Next edition: April 24-25, 2027.

Race files

Logistics

Nearest airport

Tivat (TIV) / Dubrovnik (DBV) / Podgorica (TGD)

Notes

Start: ~10–20 min (TIV) to Tivat Porto Montenegro start area; ~1.5–2.5 hrs (DBV) with border; ~1.5–2.5 hrs (TGD) / Public transport: buses possible along the bay; race-day timing easier with taxi/car / Accommodation: strong in Tivat Kotor Herceg Novi; book early (April)

Last checked: March 9, 2026Official Website →