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Triathlon Atlas

Full distance · 11 September 2027

BLACKLAKE Xtreme Triathlon

Žabljak, Montenegro

The race at a glance

Official race website
Circuit
XTRI
Distance
Full distance
Terrain
Extreme
Swim
3.8 km
Bike
182 km
Run
42.2 km
Date
11 Sept 2027
Swim venue
Lake
Average water temperature
15 °C
Bike profile
Hilly
Bike elevation gain
3,200 m
Run profile
Hilly
Run elevation gain
1,700 m
High air temperature
16 °C
Low air temperature
5 °C
Entry fee, from
€455
Altitude
1,416 m
First edition
2019

Edition history

202612 Sept 2026Held
2025Held
2024Held
2023Held
2022Held
2021Held
2020Held
20195 Oct 2019Held

How the day is laid out

The swim is held in a lake. The wetsuit call is made on race morning, against the temperature measured then.

The organiser publishes 3.8 km of swimming, 182 km on the bike and 42.2 km of running.

The water is usually around 15 °C at this time of year.

The bike course is hilly, with about 3,200 m of climbing.

The run course is hilly, with about 1,700 m of climbing.

Typical temperatures for the month run from 5 to 16 °C. The race is held at about 1,416 m of altitude.

The race was first held in 2019.

This is an extreme triathlon: the course is chosen for its terrain and its climbing, not for speed, and self-sufficiency and a support crew are part of the rules.

Against the calendar

Where this race sits among the others

Ranks are computed across every race of the same distance.

  • Average water temperature

    15 °C · median 15 °C

    The 2nd coldest of the 5 full-distance extreme races with a figure, across every circuit.

  • High air temperature

    16 °C · median 17 °C

    The 3rd coolest of the 11 full-distance extreme races with a figure, across every circuit.

  • Bike elevation gain

    3200 m · median 3200 m

    The 5th flattest of the 11 full-distance extreme races with a figure, across every circuit.

10

races of this distance pair a hilly bike with a hilly run, out of 14. 10 share the bike profile alone.

45

races across every distance fall in September, out of 354.

160

races are held in Europe. 28 of them in the same month as this one.

Questions about this race

When is BLACKLAKE Xtreme Triathlon 2027?
BLACKLAKE Xtreme Triathlon is held on 11 September 2027 in Žabljak, Montenegro.
Is a wetsuit allowed at BLACKLAKE Xtreme Triathlon?
Yes, and most likely compulsory: the average water temperature is 15 °C. Below 16 °C most races require one. The official call is made on race morning.
How hard is BLACKLAKE Xtreme Triathlon?
The bike course climbs about 3200 m, the 5th flattest of 11 full-distance races with a figure. The bike is labelled hilly and the run hilly. Expect highs of about 16 °C on race day.
How much is the entry fee for BLACKLAKE Xtreme Triathlon?
Entries start at €455 for an individual age-group entry, before service fees. Prices rise by tier as the race fills.

Where to stay

Hotels and rentals around the race venue, for the nights around race day.

Suggested stay: 9 Sept 2027 to 12 Sept 2027

The map is provided by Stay22. Bookings are made with the provider.

Races of the same distance in the same region

Entries are handled by the organiser

Registration and the athlete guide are on the official race page.

Open the official race page