IRONMAN 70.3 Hradec Králové

Hradec Králové, Czechia · August · IRONMAN 70.3

Why people love it

Young event, first held in 2024, with almost no independent athlete reports
August highs of 27-30 °C (81-86 °F)
Wetsuit rules unconfirmed; one safety document lists the swim as 1.5 km (0.9 mi)
No 2027 date published yet

3.4Good

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 satisfactionLoved3.6
No first-person reports were found. Organiser and local coverage are upbeat, but 2026 was only the third edition. · Low confidence
OrganizationWell run3.8
An IRONMAN-run event with a 1,750-athlete cap and an 8:30 limit. No organisational complaints were found. · Low confidence
First timer friendlyFriendly3.9
Flat run, no major climbs and a calm river swim, but few independent reports exist for such a young event. · Low confidence

PR potentialFast3.8
No major climbs and a flat run; August highs of 27-30 °C (81-86 °F) can slow times. · Low confidence
Course easeModerate3.7
Flat run, calm swim and a rolling bike, with August heat as the main risk. · Low confidence

3.8Very good

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

Wetsuit legalUsually3.8
The average water is 21 °C (70 °F) in August, but the wetsuit ruling was not found. · Low confidence
Water temperatureComfortable4.0
About 21 °C (70 °F) on average, in the comfortable range. · Low confidence
Calm waterMostly calm3.8
The Elbe is described as calm, though there is a mild river current. · Low confidence
Swim easeEasy3.8
A simple oval course with bridges as landmarks; river navigation and current add some work. · Low confidence
Swim experienceGreat3.8
A city-centre swim with large crowds on the banks, per the organiser. · Low confidence

3.4Good

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

Road surfaceGood3.8
Mostly smooth open roads, according to one coaching site. · Low confidence
Road closuresMostly closed3.5
How fully the roads are closed is not documented. · Low confidence
Bike sceneryBeautiful3.6
Countryside with distant views of the Giant and Orlice Mountains. · Low confidence
WindSome wind3.4
No wind information was found. · Low confidence

Bike speedFast3.8
No major climbs on rolling east Bohemian roads. · Low confidence
Bike flatnessMostly flat4.0
About 470 m (1,540 ft) of gain over 90 km (56 mi), from a single coaching site. · Low confidence
Bike simplicityMostly simple3.6
Winding rural roads, but no technical descents were noted. · Low confidence

3.5Very good

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

Crowd supportStrong3.8
A city-centre venue with a Masaryk Square finish; the organiser reports large crowds but no athlete confirmed it. · Low confidence
Aid stationsGood3.6
No direct reports; expect standard IRONMAN aid. · Low confidence
Run sceneryBeautiful3.8
Riverside parks and an old-town finish. · Low confidence
Run conditionsModerate3.3
August highs of 27-30 °C (81-86 °F), with parks and streets offering some shade. · Low confidence

3.1Good

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

Air temperatureWarm or cool3.0
August highs of 27-30 °C (81-86 °F) and lows of 14-18 °C (57-64 °F). · Medium confidence
Weather reliabilityVariable3.3
A central European summer; no cancellations were found. · Low confidence
Venue beautyLovely3.8
A historic university city on the Elbe with Masaryk Square. · Low confidence
Spectator friendlyEasy4.1
Compact central venue; swim, run and finish are all in town. · Low confidence

Low altitudeSea level4.5
About 235 m (771 ft) above sea level. · Medium confidence

3.9Very good

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

Hotel availabilityGood3.8
A local article lists cheap hostels and pensions, so the city seems to have capacity. · Low confidence
Hotel valueGood3.9
Hostels from about 400 CZK (roughly 17 USD) a night, per a local article. · Low confidence
WalkabilityWalkable4.2
The swim start and finish are both central. · Low confidence
Travel easeOne connection3.0
Fly into Prague, then roughly 1.5 hours by road or rail; the exact transfer was not sourced. · Low confidence
LogisticsSome complexity3.4
The swim starts at the river and the transition is at a nearby stadium, with the finish on Masaryk Square. · Low confidence
Town and foodGood3.9
A university city with restaurants and cafes. · Low confidence

Location: Hradec Králové, Hradec Králové Region, Czechia
Typical month: August
Latest or next date: 16 August 2026
Organiser: IRONMAN 70.3
Field size: About 1,750 athletes
First held: 2024
Distances: 1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
Cutoffs: Finish 8:30
Swim venue: Elbe river, city centre (Eliščino nábřeží) (river)
Water temperature: 21 °C (70 °F)
Swim start: rolling
Swim laps: 1
Bike climbing: 470 m (1,540 ft)
Bike laps: 1
Run shade: parks and city streets
Air temperature: 14–30 °C (57–86 °F)
Altitude: 235 m (770 ft)
Nearest airport: Prague (PRG)
Where to stay: City centre near Eliščino nábřeží
Booking: Local article cites hostels from about 400 CZK and pensions about 1,169-1,989 CZK per night including lunch.

Kupnisila.cz (2025 edition article)Raced 2025 · article · Positive
Czech article describing the 2025 race: swim loop under Tyrš and Prague bridges, bike to Rozkoš reservoir, Nové Město nad Metují and Jaroměř, finish on Masaryk Square; entry €295-380 in six tiers and cheap accommodation options. Enthusiastic tone, no performance critique.
TrainerDay event pageRaced 2026 · aggregator · Positive
Listing summarising the organiser description: rolling start oval Elbe swim, countryside bike without major climbs, flat run to Masaryk Square.
SlotMarket course reconRaced 2026 · article · Mixed
Event for athletes to swim the Elbe course and see the run route; highlights practising in the river current.
ROUVY bike reconRaced 2026 · article · Mixed
Virtual ride page for the 90 km (56 mi) bike leg; used as evidence the route is a single countryside loop.

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