IRONMAN 70.3 Vichy

Vichy, France · August · IRONMAN 70.3

Ironman 70.3 Vichy 2025 swim start on Lac d'Allier. Photo via Wikimedia Commons.

Why people love it

  • Rolling start of five athletes every six seconds
  • Run along the Allier and through the spa-town centre
  • Record 2,200 entrants in 2022
  • Late-summer warm water of about 25 °C (77 °F)

Watch out for

  • About 1,030 m (3,380 ft) of bike climbing with grades up to 16.6%
  • Storms and current cancelled the 2022 swim
  • Late-August highs near 30 °C (86 °F)
  • Wetsuits are often not allowed in warm water
  • No first-person athlete reports found

Race

2.7Good

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 satisfactionLoved3.5

    No first-person athlete accounts; the 2022 swim was cancelled yet a record 2,200 entered, and French racers dominated. · Low confidence

  • OrganizationWell run3.5

    A swim cancelled for storms and current in 2022 was handled by starting everyone on the bike, but no athlete feedback is available. · Low confidence

  • First timer friendlyDoable2.9

    About 1,030 m (3,380 ft) of climbing, summer heat and a river-fed swim make it a demanding first 70.3. · Low confidence

Course traits, not part of the score

  • PR potentialAverage2.9

    A hilly bike with grades up to 16.6% and late-August heat; the 2022 winner took 3:23:43 without a swim. · Low confidence

  • Course easeTough2.6

    About 1,030 m (3,380 ft) of climbing and highs near 30 °C (86 °F). · Low confidence

Swim

2.7Good

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

  • Wetsuit legalSeldom2.2

    Water averages about 25 °C (77 °F), at or above the limit, and wetsuit status varies by year. · Low confidence

  • Water temperatureAcceptable3.1

    Water of 23 to 26 °C (73 to 79 °F), warm but comfortable. · Low confidence

  • Calm waterSome chop3.0

    River-fed lake with a strong current that helped cancel the 2022 swim. · Low confidence

  • Swim easeEasy3.6

    A rolling start of five athletes every six seconds between the Bellerive bridge and the dam. · Low confidence

  • Swim experienceFine3.3

    Spa-town lake setting, but no swimmer describes the water. · Low confidence

Bike

3.2Good

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

  • Road surfaceMixed3.4

    No surface information found. · Low confidence

  • Road closuresMostly closed3.5

    No closure details found. · Low confidence

  • Bike sceneryBeautiful3.7

    Towards the Montagne Bourbonnaise and Auvergne countryside. · Low confidence

  • WindSome wind3.3

    No wind reports. · Low confidence

Course traits, not part of the score

  • Bike speedAverage2.8

    A hilly loop with 1,030 m (3,380 ft) of gain on 90 km (56 mi). · Low confidence

  • Bike flatnessHilly2.4

    About 1,030 m (3,380 ft) of climbing, per the organiser's data. · Medium confidence

  • Bike simplicitySome technical parts2.9

    An unofficial reconstruction shows grades up to 16.6%. · Low confidence

Run

3.1Good

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

  • Crowd supportDecent3.4

    Spa-town and riverbank sections, but no athlete reports. · Low confidence

  • Aid stationsGood3.6

    No aid information found. · Low confidence

  • Run sceneryBeautiful3.7

    Allier river banks and the spa-town centre. · Low confidence

  • Run conditionsModerate3.0

    Late-August heat averaging near 30 °C (86 °F) on a two-loop course. · Low confidence

Course traits, not part of the score

  • Run flatnessMostly flat3.8

    Described as flat, but the organiser lists 187 m (614 ft) of gain over two loops. · Low confidence

Conditions

3.0Good

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

  • Air temperatureWarm or cool3.0

    Late-August highs average near 30 °C (86 °F). · Low confidence

  • Weather reliabilityVariable3.2

    Storms affected the 2022 race week. · Low confidence

  • Venue beautyLovely3.8

    A historic spa town on the Allier. · Low confidence

  • Spectator friendlyEasy3.7

    Two run loops through the town and river banks. · Low confidence

Course traits, not part of the score

  • Low altitudeSea level4.6

    About 250 m (820 ft) above sea level. · Medium confidence

Stay and travel

3.4Good

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

  • Hotel availabilityGood3.6

    The 70.3 and full distance share the weekend; no sell-out reports. · Low confidence

  • Hotel valueGood3.6

    No pricing found. · Low confidence

  • WalkabilityWalkable3.7

    Compact spa town, though the transition layout is not confirmed. · Low confidence

  • Travel easeOne connection2.7

    Clermont-Ferrand's airport is small, so most travellers drive or connect. · Low confidence

  • LogisticsSome complexity3.4

    Shared weekend with the full distance; transition layout not confirmed. · Low confidence

  • Town and foodGood4.0

    A French spa town with good restaurants, though athletes say little. · Low confidence

Key facts

Location
Vichy, Auvergne-Rhone-Alpes (Allier), France
Typical month
August
Latest or next date
22 August 2027
Organiser
IRONMAN 70.3
Field size
About 2,200 athletes
Distances
1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
Cutoffs
Swim 1:10, Bike 5:50, Finish 8:30
Swim venue
Lac d'Allier (between the Bellerive bridge and the dam) (lake)
Water temperature
23–26 °C (73–79 °F)
Swim start
rolling
Swim laps
1
Bike climbing
1,030 m (3,380 ft)
Bike laps
1
Run climbing
187 m (615 ft)
Run laps
2
Air temperature
16–30 °C (61–86 °F)
Altitude
250 m (820 ft)
Nearest airport
Clermont-Ferrand Auvergne (CFE)
Where to stay
Vichy centre, Bellerive-sur-Allier
Booking
70.3 and full distance share the weekend.

Official race website (ironman.com)

What racers and reviewers say

  • SportmagRaced 2022 · article · Mixed

    Report on the 7th edition: storms had spoiled water quality in Lac d'Allier and the current was judged too strong, so the swim was cancelled and everyone started on the bike. A record 2,200 entered the 70.3 and French athletes swept the podium; Guilloux won in 3:23:43 after building his lead on the hilly bike.

  • Finishers.comRaced 2027 · aggregator · Mixed

    Organiser-supplied data: swim between the Bellerive bridge and the dam with a rolling start (5 athletes every 6 s), 90 km (56 mi) with 1,030 m (3,380 ft) gain, run two loops with 187 m (614 ft) gain, cut-offs 1:10 / 5:50 / 8:30. No participant ratings on the page.

  • WeRunRaced 2027 · aggregator · Mixed

    Listing for the 12th edition on 22 Aug 2027: Lac d'Allier swim, hilly bike toward the Montagne Bourbonnaise and Auvergne landscapes, run in two loops around the lake and spa town. No athlete opinions on the page.

  • Rouvy route (IRONMAN 70.3 Vichy)Raced 2025 · aggregator · Mixed

    Virtual-ride reconstruction of the bike course reporting roughly 1,044 m (3,425 ft) of climbing over 83 km (52 mi) and a maximum gradient of 16.6%. It is a third-party reconstruction, so treat it as a rough guide.

  • TrainerDay event pageRaced 2026 · aggregator · Mixed

    Event listing describing a spa-town race on the Allier with a flatter run through Vichy streets and river banks, late-summer highs near 30 C (86 F) and water near 25 C (77 F). Climate averages rather than race-day reports.

Sources

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

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