IRONMAN Philippines (Subic Bay)
Subic Bay Freeport, Philippines · June · IRONMAN
Why people love it
- Warm 28-30 °C (82-86 °F) non-wetsuit bay swim with a mountain backdrop
- Aid every 1.25 km (0.8 mi) with ice sponges and showers, plus strong medical support
- Small, well-run boutique field (about 340 in 2026)
- Tropical destination race with a simple expo and a 17:00 cutoff
Watch out for
- Extreme heat and humidity (40 °C (104 °F) / 104 °F reported) with almost no shade
- About 2,000 m (6,560 ft) of climbing in 2018; bike course revised in 2024
- June monsoon and tropical storm risk
- Remote: 3-5 hours from Manila by road
- Field has shrunk from 1,555 (2018) to about 340 (2026); several sources are 70.3 reports
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 satisfactionLiked3.2
Aid and medical support drew praise, but extreme heat, monsoon storms and hills hurt. The field shrank from 1,555 (2018) to about 340 (2026). · Low confidence
- OrganizationWell run3.6
Aid every 1-1.5 km (0.6-0.9 mi) and excellent medical response. Negatives: a muddy 2018 T1, drifting buoys in a 2023 storm and a near-midnight finish. · Medium confidence
- First timer friendlyDemanding1.9
Heat up to 40 °C (104 °F), a tight 17:00 cutoff, a dangerous truck-shared climb in 2018, storms and a 3-5 hour transfer from Manila. · Medium confidence
Course traits, not part of the score
- PR potentialSlow1.8
Heat, about 2,000 m (6,560 ft) of climbing in 2018 and wet weather slow times. Pro times ran 9:04 to 12:03 in 2026. · Medium confidence
- Course easeExtreme1.4
Extreme heat to 40 °C (104 °F) with high humidity, no shade, long climbs, wind and tropical storm risk. · Medium confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.
- Wetsuit legalRarely1.0
Water is 28-30 °C (82-86 °F), far above the 24.5 °C (76.1 °F) limit, so wetsuits are banned. · High confidence
- Water temperatureExtreme1.2
At 28-30 °C (82-86 °F) the water is hot, like a warm soup, but it was clear at the 70.3. · Medium confidence
- Calm waterSome chop2.7
The bay is normally sheltered, but swell and current hit in 2018 after monsoon rain, and a rough 2023 storm swim saw drifting buoys. · Medium confidence
- Swim easeModerate3.1
Two 1.9 km (1.2 mi) loops with colour-coded buoys every 50 m (164 ft) since 2024, and a rolling start. Swell makes sighting harder. · Low confidence
- Swim experienceFine3.3
A warm, clear bay with a mountain backdrop at the 2015 70.3. A small field means little contact, but no wetsuit and often rough. · Low confidence
Bike
Road surface, closures, scenery and wind. Counts for 19% of the overall score.
- Road surfaceMixed3.0
The SCTEX expressway is decent, but expect speed bumps and truck traffic on Tipo Road. · Low confidence
- Road closuresPartly closed3.2
SCTEX is a closed two-lane road, but the 2018 climb was shared with fast trucks, which one reporter called dangerous. · Low confidence
- Bike sceneryPleasant3.2
Mountain and jungle backdrop on Tipo Road, then expressway and airfield. Scenery was not emphasised in reports. · Low confidence
- WindWindy2.3
Reports from 2023 and 2026 cite strong wind and slick roads on the SCTEX and Subic bike. · Medium confidence
Course traits, not part of the score
- Bike speedSlow2.2
About 2,000 m (6,560 ft) of climbing in 2018 plus heat, wind and slick roads. The 2024 course change is unquantified. · Medium confidence
- Bike flatnessRolling2.5
About 2,000 m (6,560 ft) in 2018 per AsiaTRI, between hilly and mountainous. The 2024 course (six loops inside Subic) may differ. · Low confidence
- Bike simplicitySome technical parts3.3
A long climb and descent and some turns on the 2024 six-loop section (GPS advised). The expressway is straight. · Low confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportSparse2.4
A small field (about 340 in 2026) and industrial roads. There were no spectators at the swim in 2022. · Low confidence
- Aid stationsAbundant4.7
Aid every 1.25 km (0.8 mi) with dipper showers and ice sponges in 2018 and 2023 reports, and an excellent medical response. · High confidence
- Run sceneryPleasant2.6
Industrial areas and bitumen, with some bay views. · Low confidence
- Run conditionsBrutal1.2
Temperatures of 40 °C (104 °F) were reported, with no shade on bitumen, very high humidity and smoke from burn-offs in 2018. · Medium confidence
Course traits, not part of the score
- Run flatnessRolling3.2
The 70.3 has two 2 km (1.2 mi) climbs per lap. The 2024 run is described as rolling and fast over four loops. · Low confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.
- Air temperatureExtreme1.0
Race-day air is 26-38 °C (79-100 °F) with very high humidity, and 40 °C (104 °F) was reported on the run. · Medium confidence
- Weather reliabilityUnsettled1.9
June is rainy season: monsoon before the 2018 race, a tropical storm in 2023, thunderstorm forecasts in 2024 and unstable weather in 2026. · Medium confidence
- Venue beautyLovely3.5
A bay and mountain backdrop with a boardwalk in a tropical setting. · Low confidence
- Spectator friendlyTricky2.4
Loops are spread across Subic with limited spectator points. · Low confidence
Course traits, not part of the score
- Low altitudeSea level5.0
Near sea level, about 10 m (33 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
Capacity is estimated at 1,500 against a field of about 340 in 2026. Five partner hotels were used in 2018. · Low confidence
- Hotel valueGood3.9
Philippine pricing, and Olongapo is cheaper. We found no race-week data. · Low confidence
- WalkabilitySome driving3.4
The hub is in Freeport, with T2 and finish separate from T1 in 2018. · Low confidence
- Travel easeAwkward1.9
It is 3-5 hours (about 130 km (80.8 mi) / 80 mi) from Manila by road or 1-1.5 hours from Clark. Remote, with no high-end bike servicing. · Medium confidence
- LogisticsSome complexity3.0
A small expo and simple check-in, but split T1 and T2 venues in 2018. · Medium confidence
- Town and foodFine3.3
Harbor Point mall, boardwalk restaurants and supermarkets. · Low confidence
Key facts
- Location
- Subic Bay Freeport, Zambales, Philippines
- Typical month
- June
- Latest or next date
- 7 June 2026
- Organiser
- IRONMAN
- Field size
- About 340 athletes
- First held
- 2018
- Distances
- 3.8 km (2.4 mi) swim, 180 km (112 mi) bike, 42.2 km (26.2 mi) run
- Cutoffs
- Swim 2:20, Bike 10:30, Finish 17:00
- Swim venue
- Bay swim (ACEA Beach in 2018; Subic Boardwalk area later) (ocean)
- Water temperature
- 28–30 °C (82–86 °F)
- Wetsuit
- Banned
- Swim start
- rolling
- Swim laps
- 2
- Bike climbing
- 2,000 m (6,560 ft)
- Bike laps
- 2
- Key climbs
- Long ~8 km climb on Tipo Road (2018)
- Run laps
- 2
- Run shade
- Almost none; exposed bitumen past industrial areas
- Air temperature
- 26–38 °C (79–100 °F)
- Humidity
- very high
- Altitude
- 10 m (33 ft)
- Nearest airport
- Clark International (CRK); most fly into Manila (NAIA)
- Where to stay
- Subic Bay Freeport, Olongapo
- Booking
- Clark to Subic ~1-1.5 h drive; Manila to Subic 3-5 h by road
What racers and reviewers say
- AsiaTRI: Ironman Philippines Race and Course ReviewRaced 2018 · article · Mixed
Detailed review of the first full Ironman in the Philippines: non-wetsuit two-loop swim with swell, 180 km (112 mi) bike with ~2,000 m (6,560 ft) climbing up Tipo Road and onto the SCTEX, then a very hot two-loop run with aid every 1-1.5 km (0.6-0.9 mi). Notes 1,555 athletes, five hotel partners, and the 3-5 h Manila transfer or 1-1.5 h from Clark.
- The Link: Michelle Cooper, Ironman PhilippinesRaced 2018 · blog · Mixed
Australian age-grouper finished 11th. Describes a rolling swim, a long dangerous 8 km (5 mi) climb among fast trucks, smoke from burn-offs, 40 °C (104 °F)+ with no shade on an exposed bitumen run, a monsoon the day before and muddy T1. Aid stations and medical response were excellent.
- Trizone: Subic Bay 70.3 age-group perspectiveRaced 2023 · blog · Mixed
70.3 account on the same roads: tropical storm made the swim a rough triangle, the freeway bike had big climbs, rain and wind, and the run had two 2 km (1.2 mi) climbs per lap. Praises volunteers, aid every kilometre (0.6 mi) and a simple expo; Manila taxi takes 4+ hours; no high-end bike servicing.
- Team PHenomenal Hope: Ironman 70.3 Subic Bay 2015Raced 2015 · blog · Mixed
70.3 on the shared roads: clear water with mountain backdrop, steep early climb on the old runway road, smoke from a field fire, and shadeless run in the 90s °F (low-to-mid 30s °C) with aid every mile (1.6 km (1 mi)). Heat was the main challenge; she found the Philippines welcoming.
- AsiaTRI: Ironman 70.3 Subic Bay course review (2015)Raced 2015 · article · Positive
Coach review of the inaugural 70.3: fast swim, rolling bike with one steady climb and technical final 5 km (3.1 mi), and a run that stayed moderately warm until about 11 a.m. Called one of the fastest half-distance courses in SE Asia.
Show 7 more
- Philstar: IRONMAN, IM 70.3 unfold at Subic (2024 preview)Raced 2024 · article · Mixed
Pre-race preview for the 2024 events with athletes from 54 countries and a forecast of thunderstorms morning and afternoon. Not a participant review.
- Daily Tribune: Subic rolls out red carpet for triathletes (2024)Raced 2024 · article · Positive
Preview via search summary: reports a two-loop 45 km (28 mi) segment from the SCTEX then a new second 90 km (56 mi), plus colour-coded buoys every 50 m (164 ft) replacing lane lines. Page body did not load; based on summary.
- Philstar - 2026 full race reportRaced 2026 · article · Mixed
2026 race ran in unstable weather: strong sun alternating with rain, slick and windy bike roads. Women's winner Ramo (12:03, first full after years of 70.3) called the build-up brutal and said she ran on numb feet as conditions worsened; men's winner went 9:04. Shows how slow the course can run for the field in wet/hot swings.
“The preparation was brutal.”
- Daily Tribune - 2023 race reportRaced 2023 · article · Mixed
2023 full race started in rain and finished near midnight (last finisher 11:53 pm). Reported choppy water, strong winds and wet roads, drizzle on the run; both champions slowed on the run and the runner-up women's finisher struggled on the bike. Pro times (9:56 men, 11:30 women) were well off fast-course norms.
- Spin.ph - 2024 course previewRaced 2024 · article · Mixed
Race-director description of the 2024 course: two-loop swim retained with lane lines dropped for coloured buoys every 50 m (164 ft); bike now 90 km (56 mi) of SCTEX in two loops plus a new 90 km (56 mi) of six loops inside Subic (Argonaut, NCT, San Bernardo roads), so a GPS is advised; run is four loops, described as rolling and fast.
- Philstar - 2018 inaugural race reportRaced 2018 · article · Positive
Inaugural full-distance race recap: eventual winner Baldwin surged late on the bike, then had to hold off Cameron Brown on a run the article calls grueling. Winning time 8:50 shows the course can be fast for elite athletes under the milder 2018 weather; women's winner Blatchford ran 3:19.
“I was very scared today.”
- Spin.ph - 2022 return reportRaced 2022 · article · Mixed
Coverage of the 2022 return after a two-year pandemic gap: 912 athletes from 23 countries, strict vaccination and RT-PCR entry rules, no spectators at swim start/finish. Illustrates the organiser's capacity to run the event under heavy protocols, but shows spectator experience was limited that year.
Sources
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