IRONMAN 70.3 Geelong
Geelong, Australia · March · IRONMAN 70.3
Why people love it
- Protected Corio Bay swim, wetsuit legal and beginner friendly
- Compact waterfront venue with strong local crowds
- Fast, smooth roads; Blummenfelt won in 3:30:24 in 2026
- Mild March weather, highs about 18 to 22 °C (64 to 72 °F)
- Easy access from Melbourne airport
Watch out for
- Chop in the first 800 m (0.5 mi) of the swim in a southerly
- Crosswinds on exposed bike sections and a long climb toward Port Arlington
- Rougher road near the Point Henry industrial area
- Run starts with about 600 m (0.4 mi) of uphill each lap and warms up
- Dark early transition with no bag system, so bring a headlamp
Race
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 satisfactionLoved3.9
A detailed local report, a coaching guide and positive 2019 coverage point to a well-liked race, but few athlete reviews exist. · Medium confidence
- OrganizationWell run4.0
Held since 2009 and a Pro Series host, with no complaints found. · Low confidence
- First timer friendlyFriendly4.1
A coaching group calls it a common first half, with a protected swim and moderate hills. · Medium confidence
Course traits, not part of the score
- PR potentialFast3.9
Elite times near 3:30, but the bike has a long climb, crosswinds and a run that starts uphill. · Medium confidence
- Course easeModerate3.6
Moderate bike climbing and mild temperatures, with a wind risk. · Medium confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.
- Wetsuit legalAlmost always4.7
March water is about 18 °C (64 °F) and sources report wetsuits are legal. · Medium confidence
- Water temperatureAcceptable3.2
About 18 °C (64 °F), the cool end of comfortable. · Medium confidence
- Calm waterMostly calm3.9
A protected bay, glassy in 2019, though the first 800 m (0.5 mi) can be choppy. · Medium confidence
- Swim easeEasy4.2
One lap with a clear route in protected water. · Medium confidence
- Swim experienceGreat3.7
Wave start from the beach in a pleasant bay; no comments on clarity. · Low confidence
Bike
Road surface, closures, scenery and wind. Counts for 19% of the overall score.
- Road surfaceGood3.9
Wide smooth main road, rougher near Point Henry. · Medium confidence
- Road closuresMostly closed3.8
Event roads are closed, but details are thin. · Low confidence
- Bike sceneryBeautiful3.5
Salt lakes and bay views. · Low confidence
- WindSome wind3.0
Exposed sections with crosswinds, though 2019 had no wind. · Medium confidence
Course traits, not part of the score
- Bike speedFast4.0
Good surfaces and 2:02 pro splits, slowed by crosswinds and a long climb. · Medium confidence
- Bike flatnessMostly flat3.9
About 412 m (1,350 ft) over 90 km (56 mi), from a training route listing rather than official data. · Medium confidence
- Bike simplicityMostly simple3.6
A hairpin into Eastern Park, otherwise a straightforward highway. · Low confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportStrong4.2
A local racer says the community turns out in force at the hairpin and finish. · Medium confidence
- Aid stationsGood3.8
No complaints and standard IRONMAN aid. · Low confidence
- Run sceneryBeautiful4.2
Waterfront past the pier and the Geelong Star. · Medium confidence
- Run conditionsEasy3.5
Breezy bay air, but it warms up over the day. · Low confidence
Course traits, not part of the score
- Run flatnessRolling3.3
About 600 m (0.4 mi) uphill at the start of each lap plus two sharp climbs. · Low confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.
- Air temperaturePleasant4.2
Typically 18 to 22 °C (64 to 72 °F), with occasional 27 °C (81 °F). · Medium confidence
- Weather reliabilityVariable3.2
Victoria's weather varies from year to year. · Medium confidence
- Venue beautyLovely4.0
Eastern Beach and the waterfront. · Medium confidence
- Spectator friendlyEasy4.3
Compact waterfront loops. · Medium confidence
Course traits, not part of the score
- Low altitudeSea level5.0
Sea level, about 7 m (23 ft). · High confidence
Stay and travel
Hotels, walkability, getting there, and the town around the race. Counts for 11% of the overall score.
- Hotel availabilityGood4.0
A city of about 270,000 with Melbourne as a fallback. · Low confidence
- Hotel valueGood3.6
No pricing data found. · Low confidence
- WalkabilityWalkable4.2
Waterfront venue; a local advises staying in Geelong. · Low confidence
- Travel easeEasy3.9
Melbourne airport is about 1 hour away by road. · Medium confidence
- LogisticsSimple3.9
One transition area in a park with no bag system; it opens in the dark. · Low confidence
- Town and foodGood3.9
Waterfront dining, though no detailed reviews were found. · Low confidence
Key facts
- Location
- Geelong, Victoria, Australia
- Typical month
- March
- Latest or next date
- 21 March 2027
- Organiser
- IRONMAN 70.3
- Field size
- About 1,300 athletes
- First held
- 2009
- Distances
- 1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
- Swim venue
- Corio Bay, Geelong waterfront (ocean)
- Water temperature
- 17–19 °C (63–66 °F)
- Wetsuit
- Legal
- Swim start
- wave
- Swim laps
- 1
- Bike climbing
- 412 m (1,350 ft)
- Bike laps
- 2
- Key climbs
- Short climb after hairpin into Eastern Park; Long steady climb toward Port Arlington, harder in headwind
- Run laps
- 3
- Run shade
- Little shade on waterfront
- Air temperature
- 11–22 °C (52–72 °F)
- Humidity
- Moderate
- Altitude
- 7 m (23 ft)
- Nearest airport
- Melbourne Tullamarine (MEL)
- Where to stay
- Geelong waterfront / CBD
- Booking
- Local age-grouper advises staying in Geelong rather than driving about 1 hour from Melbourne on race morning.
What racers and reviewers say
- Trizone (David Deakin)Raced 2024 · blog · Positive
Melbourne age-grouper with multiple finishes. Swim is a calm single loop in a protected bay with occasional chop on the way out. Bike has good roads and a long steady climb to Port Arlington with exposed crosswinds. Run starts uphill, is breezy and scenic, warm by midday; recommends staying in Geelong and notes strong community crowds.
- Tri Alliance race guideRaced 2026 · article · Positive
Coaching group guide: protected Corio Bay, wetsuit legal, beginner-friendly swim, fast and flat bike with some exposed sections, popular as a first half or Ironman Melbourne tune-up.
- Geelong Advertiser (via PressReader)Raced 2019 · article · Positive
2019 race report: perfect conditions of flat water and no wind for roughly 1,300 athletes; bike wins by Gomez and Kahlefeldt.
- Slowtwitch (Kahlefeldt, Gomez)Raced 2019 · article · Positive
2019 results: Gomez ran 1:11:36; women's bike winner Steffen 2:20:27; times consistent with a fast, moderate-elevation course.
- Slowtwitch (Appleton, Wilms)Raced 2022 · article · Positive
2022 winners; Appleton posted a 2:02:31 bike split. Only splits reported, no conditions.
Show 2 more
- Slowtwitch forum (Blummenfelt win)Raced 2026 · reddit · Positive
Blummenfelt won in 3:30:24 with a 1:06:39 half marathon, indicating a fast run course for elite pace.
- RaceRaves pageRaced 2026 · aggregator · Mixed
No athlete reviews yet; lists 18 C (64 F) water, rolling two-lap bike, 2.5-lap rolling waterfront run, expected high 21 C (69 F).
Sources
Pages we used for facts and ratings. See how we rate.
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