2XU Triathlon Series (St Kilda)
St Kilda, Melbourne, Australia · January · Independent (2XU / O2 Events)
Why people love it
- Swim beside St Kilda Pier in the bay: 750 m (820 yd) sprint or 1.5 km (0.93 mi) Olympic.
- Flat Beach Road bike and flat foreshore run; Triathlon Australia calls it fast.
- Fun Tri, sprint, Olympic and kids races run from one venue at Catani Gardens.
- Trams and trains reach St Kilda, about 6 km (3.7 mi) from Melbourne's centre.
- Sprint bike is 26.7 km (16.6 mi), longer than a usual sprint.
Watch out for
- Hot, humid summer days: a storm hit just after the 2025 race.
- Triathlon Australia membership or a one-day licence is required.
- Wind on Beach Road is not documented, but bayside exposure is likely.
- Parking is tight on a summer weekend near Catani Gardens.
- Few athletes have written about this race; most reports come from clubs and the organiser.
Race
How racers feel about it, how well it is run, and how it treats a first timer. Counts for 30% of the overall score.
Toughness: Moderate
- Racer satisfactionLoved3.8
Club newsletters describe good-weather races and a smooth weekend in 2019 and 2025. No independent athlete reviews, so the score stays near the middle. · Low confidence
- OrganizationWell run3.8
Volunteers kept packing down through the 2025 storm and no complaints turned up. Most praise comes from the organiser and clubs. · Low confidence
- First timer friendlyFriendly3.6
Flat and approachable, but 1.5 km (0.93 mi) of bay swim and 40 km (24.9 mi) of bike in summer heat need prep. · Low confidence
Course traits, not part of the score
- PR potentialFast4.0
Flat 40 km (24.9 mi) bike and 10 km (6.2 mi) run on a fast, level course. · Medium confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 16% of the overall score.
- Wetsuit legalUsually3.7
Likely 19 to 22 °C (66 to 72 °F), under the 24.6 °C (76.3 °F) limit. The fastest 2025 Olympic swim was suit-free. · Low confidence
- Water temperatureComfortable3.7
Estimated 19 to 22 °C (66 to 72 °F) in January. No race-day readings were published. · Low confidence
- Calm waterMostly calm3.9
Swim sits beside the pier in the sheltered bay. Calm water was reported in March 2025, but storms can add chop. · Low confidence
- Swim easeEasy3.7
1.5 km (0.93 mi) in the bay means longer exposure than the sprint swim. · Low confidence
- Swim experienceGreat3.7
Swim by the pier with the city skyline behind. Bay water is murky and nobody has described the start format. · Low confidence
- Swim supportGood3.6
Wave starts in a protected area by the pier. Few athletes have written about kayaks or lifeguard cover. · Low confidence
Bike
Road surface, closures, scenery and wind. Counts for 18% of the overall score.
- Road surfaceGood3.7
Bayside arterial road. No complaints turned up, but nobody has described the surface. · Low confidence
- Road closuresMostly closed3.5
Beach Road lane closures and marshals are normal here, but no athlete has confirmed the current setup. · Low confidence
- Bike sceneryBeautiful3.8
Beach Road runs along Port Phillip Bay. Only the organiser calls it scenic. · Low confidence
- WindSome wind3.2
Bayside exposure and hot northerlies are likely. The 2019 race was not windy and the 2025 race saw a storm after finishing. · Low confidence
Course traits, not part of the score
- Bike speedFast4.0
Flat, fast 40 km (24.9 mi) with turnarounds. · Medium confidence
- Bike flatnessPancake flat4.6
Flat Beach Road laps over 40 km (24.9 mi). · Medium confidence
- Bike simplicityMostly simple3.8
Straight road laps with turnarounds. No technical sections were reported. · Low confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportStrong3.6
Foreshore with beach-goers and busy club tents. No firsthand reports of the crowd on the run. · Low confidence
- Aid stationsGood3.5
No athlete has described the aid stations, so the score sits near the middle. · Low confidence
- Run sceneryBeautiful4.0
Run along the St Kilda foreshore with views of the bay and city skyline. · Low confidence
- Run conditionsModerate3.3
10 km (6.2 mi) with little shade; summer heat is likely. · Low confidence
Course traits, not part of the score
- Run flatnessFlat4.6
Flat foreshore path over 10 km (6.2 mi). · Medium confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 13% of the overall score.
- Air temperatureWarm or cool3.3
Melbourne January ranges 19 to 33 °C (66 to 91 °F). 2025 was hot and humid; 2019 was mild. · Medium confidence
- Weather reliabilityVariable3.1
Three of four reports had good weather. A storm hit just after the 2025 race, and Melbourne weather turns quickly. · Low confidence
- Venue beautyLovely3.9
Catani Gardens, the pier and the skyline across the bay. Pleasant, but a city beach. · Medium confidence
- Spectator friendlyEasy4.0
Compact foreshore venue with parkland for family. Few firsthand reports. · Low confidence
Course traits, not part of the score
- Low altitudeSea level5.0
Sea level, about 5 m (16 ft). · High confidence
Stay and travel
Hotels, walkability, getting there, and the town around the race. Counts for 10% of the overall score.
- Hotel availabilityGood4.1
Melbourne has plenty of rooms and most athletes are locals. · Low confidence
- Hotel valueNormal3.2
St Kilda summer rates are normal to high. No event-specific price data. · Low confidence
- WalkabilityWalkable3.6
Base at Catani Gardens sits beside the swim and run. Parking is tight in summer; trams and trains serve the area. · Low confidence
- Travel easeVery easy4.5
Melbourne Airport is 30 km (19 mi) away. Trams reach St Kilda from the city centre, about 6 km (3.7 mi). · Medium confidence
- LogisticsSimple3.8
Single base at Catani Gardens. Racers need Triathlon Australia membership or a one-day licence. · Low confidence
- Town and foodGood4.4
Acland Street has a long strip of cafes, bars and restaurants. · Medium confidence
Key facts
- Location
- St Kilda, Melbourne, Victoria, Australia
- Typical month
- January
- Latest or next date
- 10 January 2027
- Organiser
- Independent (2XU / O2 Events)
- Distances
- 1.5 km (0.9 mi) swim, 40 km (24.9 mi) bike, 10 km (6.2 mi) run
- Swim venue
- Protected bay by St Kilda Pier and beach, Port Phillip Bay (bay)
- Water temperature
- 19–22 °C (66–72 °F)
- Wetsuit
- Optional
- Swim start
- wave
- Bike laps
- 2
- Run shade
- Limited foreshore trees
- Air temperature
- 18–33 °C (64–91 °F)
- Humidity
- Variable; hot and humid with storms in some years
- Altitude
- 5 m (16 ft)
- Nearest airport
- Melbourne Airport (MEL), 30 km (19 mi) away
- Where to stay
- St Kilda, Albert Park
- Booking
- St Kilda has many hotels and apartments; most athletes are Melbourne locals.
What racers and reviewers say
- Tri-Alliance newsletter, January 2025Raced 2025 · blog · Positive
Hot, humid race in good conditions until a Melbourne storm hit at midday; fastest Olympic swim was without a wetsuit. Sprint, Olympic, Fun Tri and kids races ran, and volunteers packed down through the storm.
- Tri-Alliance Race 3 report, 2019Raced 2019 · blog · Positive
Ideal weather with little wind, heat or rain. Olympic and sprint fields, 21 first-timers in the club team and several podiums; many athletes did new distances.
“not too windy, not too hot”
- Tri-Alliance Race 6 newsletter, March 2025Raced 2025 · blog · Positive
Final race of the series described as a picture-perfect weekend with calm water and sunshine, doubling as an AusTriathlon aquabike qualifier. Snippet only.
“picture-perfect”
- Triathlon Victoria race 5 wrapRaced 2021 · article · Positive
Final race of the 2021 series at Catani Gardens: early rain then clear, picture-perfect conditions. Elite results only; snippet only.
- 2XU community blogRaced 2026 · article · Positive
Organiser marketing: five bayside races with kids, fun, sprint and Olympic options for first-timers through seasoned athletes. Treated as promotion, not independent review.
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Sources
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