Nepean Triathlon
Penrith, Australia · November · Elite Energy (Explore Worldwide Nepean Triathlon)
Why people love it
- Purpose-built Olympic rowing lake with a flat, protected swim along the shore.
- Closed roads on the bike; Castlereagh Road is shut until 9:30 AM.
- Sprint check-in on race morning, 6:00 to 7:15 AM, with one transition area.
- Grandstand finish lets spectators see swim, transition and run from one spot.
- Super sprint of 200 m (219 yd) and a mates wave suit first-timers.
Watch out for
- The headline Nepean race is 1 km (0.6 mi), 30 km (18.6 mi), 8 km (0.62, 18.6, 5 mi): shorter than an Olympic.
- Late-November heat: a 2010 race reached about 35 °C (95 °F), and the main race starts at 10:00 AM.
- Wetsuits are allowed only below 22 °C (71.6 °F), checked an hour before the start.
- Racer reports are old, from 2010 and 2015; the organiser and course changed in 2023 and 2024.
- Parking details were not found; confirm with the organiser before race morning.
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 satisfactionLoved3.7
A racer's 2010 account called it a great day and a 2015 club report was upbeat; recent first-person reports are missing. · Low confidence
- OrganizationWell run3.5
Run by a professional organiser since late 2023 after the volunteer committee closed it; no racer has written about the new setup. · Low confidence
- First timer friendlyFriendly4.0
750 m (820 yd) in a protected lake, a closed 20 km (12.4 mi) bike and a 200 m (219 yd) super sprint for beginners. · Low confidence
Course traits, not part of the score
- PR potentialFast3.9
Flat venue and closed roads; 2015 club sprint won in 58:20. · Low confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 16% of the overall score.
- Wetsuit legalCoin flip3.0
Wetsuits are allowed below 22 °C (71.6 °F), checked an hour before the start; late-spring water temperature is not published. · Low confidence
- Water temperatureComfortable3.5
No temperature data; late-November lake water is probably 20 to 24 °C (68 to 75 °F), an estimate. · Low confidence
- Calm waterGlassy4.5
Olympic rowing lake built for flat water, with the sprint swim running along the shore; storms are the main risk. · Medium confidence
- Swim easeEasy4.2
750 m (820 yd) along the shore; 2010 racers found buoy turns crowded. · Low confidence
- Swim experienceFine3.4
Artificial lake, algae visible in venue photos; wave starts and a stadium finish. · Low confidence
- Swim supportGood4.0
Age and sex waves, shore always close and a published evacuation plan; no racer has described the water safety crew. · Low confidence
Bike
Road surface, closures, scenery and wind. Counts for 18% of the overall score.
- Road surfaceGood3.5
Public road and regatta centre; surface not described. · Low confidence
- Road closuresMostly closed4.2
A 2015 club sprint used closed roads; the organiser says the course is closed until 9:30 AM and warns a vehicle could still enter. · Medium confidence
- Bike sceneryBeautiful3.5
A tourism page cites a rural loop with a Blue Mountains backdrop; no racer has commented. · Low confidence
- WindSome wind3.4
Open rural roads; no wind reports found. · Low confidence
Course traits, not part of the score
- Bike speedFast3.9
Closed course, little traffic interference. · Low confidence
- Bike flatnessMostly flat3.7
20 km (12.4 mi) loop; elevation not published. · Low confidence
- Bike simplicityMostly simple3.6
The 2024 redesign removed short loops; two penalty boxes on the 30 km (18.6 mi) race. · Low confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportStrong3.7
Grandstand finish; a 2025 winner said crowds were amazing even in heavy rain, and a 2010 piece describes laps in front of a crowd. · Low confidence
- Aid stationsGood3.5
The FAQ lists three drink stops per lap on the 8 km (5 mi) run; no racer has commented. · Low confidence
- Run sceneryPleasant3.3
Lakeside laps; pleasant but repetitive. · Low confidence
- Run conditionsModerate3.3
Sprint starts at 7:30 AM before the heat builds. · Low confidence
Course traits, not part of the score
- Run flatnessFlat4.6
Two flat laps of 2.5 km (1.6 mi) around the lake. · Low confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 13% of the overall score.
- Air temperatureWarm or cool2.9
Late-November Western Sydney is hot; a 2010 race reached about 35 °C (95 °F), above the 32 °C (90 °F) benchmark. · Low confidence
- Weather reliabilityVariable3.0
Hot and storm-prone; the 2025 edition was run in heavy rain and a 2015 club race was cancelled for weather. · Low confidence
- Venue beautyPleasant3.4
Functional Olympic regatta venue with a grandstand; photos show a plain lake. · Low confidence
- Spectator friendlySee them often4.5
Grandstand and stadium views of the swim, transition and run; a 2010 account describes loops in front of a crowd. · Medium confidence
Course traits, not part of the score
- Low altitudeSea level5.0
Sea-level floodplain at about 25 m (82 ft). · High confidence
Stay and travel
Hotels, walkability, getting there, and the town around the race. Counts for 10% of the overall score.
- Hotel availabilityGood4.0
Penrith and Sydney West offer plentiful lodging; not checked. · Low confidence
- Hotel valueGood3.6
Outer-Sydney lodging with no race-week price problems reported; not checked. · Low confidence
- WalkabilitySome driving3.3
Purpose-built venue with transition, swim and finish together; parking details not found. · Low confidence
- Travel easeEasy3.9
Sydney airport is about 55 km (34 mi) away, with road access on Castlereagh Road. · Medium confidence
- LogisticsSimple4.0
One transition area, race-morning registration 6:00-7:15 AM for the sprint, Saturday pickup optional. · Medium confidence
- Town and foodFine3.4
Penrith has plenty of options but the venue sits out of town; not reviewed. · Low confidence
Key facts
- Location
- Penrith, New South Wales, Australia
- Typical month
- November
- Latest or next date
- 22 November 2026
- Organiser
- Elite Energy (Explore Worldwide Nepean Triathlon)
- Field size
- About 1,000 athletes
- First held
- 1982
- Distances
- 0.8 km (0.5 mi) swim, 20 km (12.4 mi) bike, 5 km (3.1 mi) run
- Swim venue
- Sydney International Regatta Centre (Olympic rowing lake), Penrith (lake)
- Swim start
- wave
- Run laps
- 2
- Altitude
- 25 m (82 ft)
- Nearest airport
- Sydney (SYD), about 55 km (34 mi) by road, 55 km (34 mi) away
- Where to stay
- Penrith, Castlereagh
- Booking
- Penrith and greater Sydney have plentiful lodging; not checked.
What racers and reviewers say
- Hills Triathlon Club via TriZone: Race 1 at PenrithRaced 2015 · article · Positive
Club series race at the Penrith Regatta Centre with a record 250-plus athletes. Sprint and enticer swims run parallel to the lake shore, the bike is on closed roads and the run is an accurate two-lap 5 km (3.1 mi). Hot weather did not hurt turnout; a later race that season was cancelled for poor weather.
- TriZone: Mick Maroney on the Nepean Super SprintRaced 2010 · article · Positive
Writer's own account of the 2010 super sprint in the regatta stadium in about 35 °C (95 °F) heat. Dive start from a pontoon, 300 m (328 yd) swim, then bike and run laps in front of a crowd. Called the buoy turns a bit of a boxing match, finished top ten and called it a great day.
“A great day and lots of fun!”
- TriZone: Nepean Triathlon ushers in a new eraRaced 2023 · article · Mixed
Explains that the volunteer committee closed the event in 2023 over a dissolved partnership and flood damage at the regatta centre, and that Elite Energy took over from October 2023. New course uses Castlereagh Road and drops the short loops; adds a Classic and an Enticer super sprint.
“Our team is thrilled to be part of triathlon history.”
- Triathlon Australia: Super Sprint champions at NepeanRaced 2025 · article · Positive
March 2025 report on the Australian Super Sprint Championship at the venue, raced in heavy rain. The winning woman called the atmosphere amazing with crowds even in the weather. Covers the 250 m (820 ft) / 10 km (6.2 mi) / 2.5 km (273 yd / 6.2 mi / 1.6 mi) format, not the sprint.
“Amazing, even with the weather.”
- Sydney.com: Nepean Triathlon listingarticle · Positive
Tourism description calling the venue the Olympic rowing course, with a traffic-free 30 km (18.6 mi) rural bike loop and a spectator-friendly two-lap 10 km (6.2 mi) run. Promotional rather than an athlete account.
Raced Nepean Triathlon? Your notes on the course, conditions and logistics help the next athlete decide.
Sources
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