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THE BALKAN RUNNING CALENDAR · FOR UK RUNNERS

FIND YOUR NEXT BALKAN RACE.

Filter road, trail and mountain races across the Balkans by date, country, distance and terrain — with one honest downside on every card. I am Serbian, I live in England, and I have watched British friends treat the London ballot as the only door into the sport. It is not.

This is a curated Balkan and Southeast European race calendar, not an exhaustive geographical definition or a complete list of every event — it grows as I check more races. Figures checked July 2026; always confirm dates and fees on the official race site before booking.

17–18 Apr 2027
BELGRADE MARATHON
Belgrade, Serbia
ROADMarathon · Half · 10KConfirmed date

Hosts the 2nd European Running Championships in 2027 — recreational runners share the elite course.

The catchLess polished than a World Marathon Major, with thinner crowds and fewer premium extras — if you want an occasion with soul rather than polish, it delivers.

From €60, rising to €100 by
View details
Full distancesMarathon · Half · 10K
Expected field~25,000 expected
Entry formatOpen registration — no ballot
FeeFrom €60, rising to €100 by race day (€70 from 1 Sep 2026)
The big one, and in 2027 it hosts the 2nd European Running Championships — recreational runners share the elite course, and the top 25 men and women per country score for their nation. You turn up, pay a normal entry, and run a European Championship route.
The full catch: Less polished than a World Marathon Major, with thinner crowds and fewer premium extras — if you want an occasion with soul rather than polish, it delivers.
24 Apr 2027
FRUŠKA GORA TRAIL
Vojvodina, Serbia
TRAILUp to 134K ultra + shorter trailsConfirmed date

One of Europe's oldest trail events (running since 1978), ITRA-certified with UTMB points.

The catchIt is enormous and, on the shorter routes, as much a mass hike as a race — wonderful for atmosphere, not for a quiet mountain day or a fast time.

View details
Full distancesUp to 134K ultra + shorter trails
Expected field18,000+ across the weekend
Entry formatOpen registration
FeeFUN walks from £9 (€10) · SPORT races from £26 (€30), current wave
My home hills, so read the bias in — then look at the pedigree. One of Europe's oldest trail events, running since 1978, ITRA-certified with UTMB points on the longer routes.
The full catch: It is enormous and, on the shorter routes, as much a mass hike as a race — wonderful for atmosphere, not for a quiet mountain day or a fast time.
2–4 Apr 2027
ISTRIA 100 BY UTMB
Istria, Croatia
TRAIL168K · 110K · 69K · 42K · 21KConfirmed date

Proper UTMB World Series mountain running on the Istrian coast with Running Stones on offer.

The catchTechnical and demanding — the long distances are for experienced trail runners only, not a first ultra.

View details
Full distances168K · 110K · 69K · 42K · 21K
Expected field2,000+ from 60+ countries
Entry formatUTMB World Series registration
FeeFee TBC — confirm on official site
Proper UTMB World Series mountain running on the Istrian coast, with Running Stones and a genuinely international field.
The full catch: Technical and demanding — the long distances are for experienced trail runners only, not a first ultra.
Summer 2027Date not confirmed
JULIAN ALPS TRAIL RUN BY UTMB
Julian Alps, Slovenia
TRAIL120K · 80K · 50K · 25K · 15K · 10KExpected — date TBC

Slovenia's only UTMB World Series event, run through the Julian Alps and Triglav National Park.

The catchSerious mountain terrain — even the shorter routes demand real hill fitness, and the exact 2027 date still needs confirming.

View details
Full distances120K · 80K · 50K · 25K · 15K · 10K
Expected fieldInternational field
Entry formatUTMB World Series registration
FeeFee TBC — confirm on official site
Slovenia's only UTMB World Series event, run through the Julian Alps and Triglav National Park — the kind of alpine scenery people build entire holidays around.
The full catch: Serious mountain terrain — even the shorter routes demand real hill fitness, and the exact 2027 date still needs confirming.
13 Sep 2026Completed
SARAJEVO HALF MARATHON
Sarajevo, Bosnia & Herzegovina
ROADHalf marathon + 5K (same weekend)Completed

A half through a city that survived the longest siege of a capital in modern history. This year's race is done — guide stays live for 2027.

The catchIt is a half, not a full — Bosnia's certified marathon is up in Banja Luka — and the field is small. The power is the place, not the production.

View details
Full distancesHalf marathon + 5K (same weekend)
Expected fieldModest — a few hundred
Entry formatRegistration closed — race completed
Fee60 BAM early · 75 BAM standard · 85 BAM late (2026 public tiers) · 2027 fee TBC
A half through a city that survived the longest siege of a capital in modern history — you run streets that were, within living memory, lines you could not safely cross.
The full catch: It is a half, not a full — Bosnia's certified marathon is up in Banja Luka — and the field is small. The power is the place, not the production.
18 Oct 2026
LJUBLJANA MARATHON
Ljubljana, Slovenia
ROADMarathon · Half · 10KConfirmed date

The biggest and most international road race in the region, with over five thousand foreign finishers in a recent year.

The catchEntries close early, around mid-September, and it's the priciest road race here — still cheap by UK standards, but book in time.

Marathon €70 · Half €60 · 10
View details
Full distancesMarathon · Half · 10K
Expected field24,675 across the weekend (2024), 86 countries
Entry formatOpen registration — closes ~15 Sep
FeeMarathon €70 · Half €60 · 10K €45
Large, well-organised and genuinely international — over five thousand foreign runners in a recent year. If you want the biggest field on this page, this is it.
The full catch: Entries close early, around mid-September, and it's the priciest road race here — still cheap by UK standards, but book in time.
11 Oct 2026
NOVI SAD MARATHON
Vojvodina, Serbia
ROADMarathon · Half · 10K (confirm)Confirmed date

A flat, World Athletics-certified course through Vojvodina's easy-going capital.

The catchSmaller and less known than Belgrade — confirm the 2027 date and exact distances on the official site before booking.

View details
Full distancesMarathon · Half · 10K (confirm)
Expected fieldMedium field
Entry formatOpen registration
FeeFee TBC — confirm on official site
A flat, World Athletics-certified course through Vojvodina's easy-going capital — my part of the world, half an hour from the Fruška Gora hills.
The full catch: Smaller and less known than Belgrade — confirm the 2027 date and exact distances on the official site before booking.
12–13 Dec 2026
BOKA MARATHON
Bay of Kotor, Montenegro
ROADMarathon · Half · 10K · 5KConfirmed date

Point-to-point from Tivat to Kotor along a flooded canyon so still people call it Europe's southernmost fjord.

The catchA December coastal point-to-point takes a little planning, and the support is scenery rather than spectators — you come for the quiet and the view, not the atmosphere.

View details
Full distancesMarathon · Half · 10K · 5K
Expected fieldMarathon capped at 700 · ~3,500 across the full weekend (record)
Entry formatOpen registration
FeeMarathon from €50 (opening tier) · Half from €40
Point-to-point from Tivat to Kotor along the Bay of Kotor — a drowned river canyon so still and steep people call it Europe's southernmost fjord.
The full catch: A December coastal point-to-point takes a little planning, and the support is scenery rather than spectators — you come for the quiet and the view, not the atmosphere.

No races match those filters.

DATES STILL TO CONFIRM7 races — official source not yet verified
MOSTAR MARATHON
Mostar, Bosnia & Herzegovina · ROAD · Mid-to-late March 2027

You run across the rebuilt Stari Most, painstakingly put back after the war.

Official source still being verified
OHRID ULTRA-TRAIL
Ohrid, North Macedonia · TRAIL · May 2027

Runs through Galičica National Park above Lake Ohrid, a UNESCO site.

Official source still being verified
ULTRA TRAIL STARA PLANINA
Stara Planina, Serbia · TRAIL · August 2027

Remote, wild running on the Old Mountain in Serbia's far east.

Official source still being verified
PROKLETIJE SKYRUNNING
Gusinje, Montenegro · TRAIL · Summer 2027

Genuine skyrunning in the Accursed Mountains, on the Montenegro–Albania border.

Official source still being verified
SKOPJE MARATHON
Skopje, North Macedonia · ROAD · Early Oct 2027

Sponsored by Wizz Air, which often means genuinely cheap flights from the UK.

Official source still being verified
BANJA LUKA MARATHON
Banja Luka, Bosnia & Herzegovina · ROAD · 25 Oct 2026

Bosnia's certified full marathon, finishing inside the medieval Kastel fortress.

Official source still being verified
PODGORICA MARATHON
Podgorica, Montenegro · ROAD · Last Sunday of October 2027

A small, low-key city marathon if you want to tick off Montenegro without the coast crowds.

Official source still being verified

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A lost ballot should not be the end of your running year. I run some of these myself and I'm working toward the rest — pick a season, pick a start line, book the flight and the room separately, and go.

Sources & Official Race Sites
Belgrade Marathon — europeanrunningchampionships.comDate confirmed
Fruška Gora Trail — www.fruskogorski-maraton.com/enDate confirmed
Istria 100 by UTMB — istria.utmb.worldDate confirmed
Julian Alps Trail Run by UTMB — julianalps.utmb.worldDate expected, TBC
Sarajevo Half Marathon — sarajevomarathon.baDate confirmed
Ljubljana Marathon — ljubljanskimaraton.si/en/marathonDate confirmed
Novi Sad Marathon — marathon.org.rsDate confirmed
Boka Marathon — bokamarathon.com/enDate confirmed
Mostar Marathon — Official source still being verifiedDate expected, TBC
Ohrid Ultra-Trail — Official source still being verifiedDate expected, TBC
Ultra Trail Stara Planina — Official source still being verifiedDate expected, TBC
Prokletije Skyrunning — Official source still being verifiedDate expected, TBC
Skopje Marathon — Official source still being verifiedDate expected, TBC
Banja Luka Marathon — Official source still being verifiedDate expected, TBC
Podgorica Marathon — Official source still being verifiedDate expected, TBC

Figures checked July 2026 — always confirm dates and fees on the official race site before booking. Race dates, entry fees and route details can change. Some links are affiliate links; the price is the same for you. Educational content, not travel or medical advice.