Plava Laguna IRONMAN 70.3 Poreč, Istria-Croatia

Poreč, Croatia · October · IRONMAN

Plava Laguna IRONMAN 70.3 Poreč, Istria-Croatia: poreč waterfront and old town (venue)Photo is not from race dayViktar Palstsiuk, CC BY-SA 4.0
Poreč waterfront and old town (venue). Photo via Wikimedia Commons.

Why people love it

  • Late-season Adriatic race with fast, closed Istrian motorway sections
  • Two-lap run through Poreč centre by the sea
  • Pula airport 45 km (28 mi) away; entries sold out months ahead
  • Fast winners in 2024: 3:57:00 men, 4:19:00 women

Watch out for

  • Cool mid-October air around 10-18 °C (50-64 °F) and sea near 18 °C (64 °F)
  • Weather was changeable in 2023 and the swim start moved between editions
  • Elevation gain unpublished and the bike route has changed since 2022
  • Evidence is mostly organiser material, with few independent athlete reports

Race

3.5Good

How racers feel about it, how well it is run, and how it treats a first timer. Counts for 27% of the overall score.

  • Racer satisfactionLoved3.7

    Sell-outs and an organiser-reported satisfaction figure of about 92% in 2025, but no independent athlete reports were found. · Low confidence

  • OrganizationWell run3.8

    1,800+ athletes, 420+ volunteers and a fully closed motorway, but no independent critiques. · Low confidence

  • First timer friendlyFriendly3.8

    600 first-timers in 2024, closed roads and mild weather. Cool water is possible. · Low confidence

Course traits, not part of the score

  • PR potentialFast3.8

    Winners went 3:57:00 and 4:19:00 in 2024. Promoted as PB-friendly on smooth motorway, but elevation gain is unpublished. · Low confidence

  • Course easeTough3.4

    Rolling 90 km (56 mi) bike with unknown gain and mild weather. · Low confidence

Swim

3.8Very good

Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.

  • Wetsuit legalAlmost always4.6

    Water is about 18 °C (64 °F) per one page, well below the 24.5 °C (76 °F) limit, but not confirmed for race day. · Low confidence

  • Water temperatureAcceptable3.0

    About 18 °C (64 °F) is cool but fine in a wetsuit. · Low confidence

  • Calm waterMostly calm3.9

    Protected cove at Plava Laguna. Little evidence about chop. · Low confidence

  • Swim easeEasy3.9

    Sheltered start, though the location changed in 2025. · Low confidence

  • Swim experienceGreat3.9

    Described as crystal-clear Adriatic water. · Low confidence

Bike

4.9Excellent

Road surface, closures, scenery and wind. Counts for 19% of the overall score.

  • Road surfaceGood4.4

    A large part runs on the smooth Istrian motorway. · Medium confidence

  • Road closuresFully closed4.8

    The Istrian motorway was fully closed to traffic, per the organiser. · Medium confidence

  • Bike sceneryBeautiful3.7

    Vineyards, olive groves and Funtana per previews. · Low confidence

  • WindSome wind3.2

    No wind evidence found. · Low confidence

Course traits, not part of the score

  • Bike speedFast3.8

    Smooth closed motorway sections on a rolling profile. · Low confidence

  • Bike flatnessRolling3.4

    Described as rolling. Gain is unpublished. · Low confidence

  • Bike simplicityMostly simple4.1

    Motorway sections are straightforward. Local turns are unknown. · Low confidence

Run

3.4Good

Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.

  • Crowd supportStrong3.5

    Two-lap run through Poreč centre. No direct reports. · Low confidence

  • Aid stationsGood3.5

    420+ volunteers in 2024. No detailed reports. · Low confidence

  • Run sceneryBeautiful4.0

    Poreč old town and the Adriatic coast. · Low confidence

  • Run conditionsEasy3.9

    Cool October air and an urban road surface. · Low confidence

Course traits, not part of the score

  • Run flatnessMostly flat4.1

    Seaside two-lap run. Gain is unpublished. · Low confidence

Conditions

3.5Good

Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.

  • Air temperatureWarm or cool3.3

    Mid-October air probably 10-18 °C (50-64 °F), an estimate rather than race-day data. · Low confidence

  • Weather reliabilityVariable3.0

    Changeable weather in 2023. October on the Adriatic can be unsettled. · Low confidence

  • Venue beautyLovely4.2

    Adriatic coast, medieval old town and resort setting. · Medium confidence

  • Spectator friendlyEasy3.7

    Two-lap run through the centre, while the bike goes inland. · Low confidence

Course traits, not part of the score

  • Low altitudeSea level5.0

    Coastal town at about 5 m (16 ft). · High confidence

Stay and travel

3.7Very good

Hotels, walkability, getting there, and the town around the race. Counts for 11% of the overall score.

  • Hotel availabilityGood3.5

    Plenty of resort capacity in shoulder season, though race entries sell out months ahead. · Low confidence

  • Hotel valueGood3.8

    October is shoulder season on the Croatian coast. No price evidence. · Low confidence

  • WalkabilityWalkable3.8

    Resort-based race around Plava Laguna, with no sign of split transitions. · Low confidence

  • Travel easeOne connection3.2

    Pula airport is 45 km (28 mi) away, with Trieste and Venice as alternatives. · Medium confidence

  • LogisticsSimple3.7

    Single resort base. No evidence of shuttles. · Low confidence

  • Town and foodGood4.2

    Poreč old town and Istrian food and wine. · Low confidence

Key facts

Location
Poreč, Istria, Croatia
Typical month
October
Latest or next date
18 October 2026
Organiser
IRONMAN
Field size
About 1,900 athletes
First held
2022
Distances
1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
Swim venue
Adriatic Sea at Zelena Laguna / Plava Laguna resort (2025 start moved to Lotosi beach) (ocean)
Water temperature
17–19 °C (63–66 °F)
Run laps
2
Air temperature
10–18 °C (50–64 °F)
Altitude
5 m (16 ft)
Nearest airport
Pula (PUY), 45 km (28 mi) away
Where to stay
Plava Laguna / Zelena Laguna resorts, Poreč old town
Booking
Race centred on the Plava Laguna resort complex; entries sold out 3-5 months ahead.

Official race website (ironman.com)

What racers and reviewers say

  • Plava Laguna (organiser report 2023)Raced 2023 · article · Positive

    Organiser recap of the second edition: about 1,500 athletes from 56 countries, changeable weather, bike via Funtana and Višnjan with Istra highway sections fully closed, run in two laps from Hotel Molindrio through the centre.

  • Plava Laguna (organiser report 2024)Raced 2024 · article · Positive

    Third edition on 18-20 October 2024: 1,800 participants including 600 first-timers, 420+ volunteers, winners 3:57 and 4:19.

  • Plava Laguna (2025 announcement)Raced 2025 · article · Positive

    Preview of the 2025 edition: about 1,900 athletes, sold out five months ahead, swim start moved to Lotosi beach, bike promoted as PB-friendly.

  • Novi list (local press)Raced 2025 · article · Positive

    Local article cites an overall satisfaction indicator of about 91.67% for 2025 (organiser-sourced; seen via search snippet).

  • Tri247 newsRaced 2022 · article · Positive

    Announcement of the new Poreč race as a late-season Adriatic option; preview-level, no athlete experiences.

Show 2 more
  • Istra tourism event pageRaced 2025 · article · Positive

    Event listing: swim at Zelena resort, bike inland to Buzet in older descriptions, run through Poreč; Pula airport 45 km (28 mi) away.

  • Istria Bike events pageRaced 2025 · article · Positive

    Short event page: coastal town with green hills and medieval inland towns, mild climate; links to ironman.com for specs.

Sources

Pages we used for facts and ratings. See how we rate.

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