IRONMAN 70.3 Yunnan Dali

Dali, China · September · IRONMAN

IRONMAN 70.3 Yunnan Dali: erhai lake, dali (venue)Photo is not from race dayShuQizhe, CC BY-SA 4.0
Erhai Lake, Dali (venue). Photo via Wikimedia Commons.

Why people love it

  • Lakeside Erhai backdrop beneath Cang Mountain
  • Almost flat three-lap bike and flat two-lap run
  • Inaugural edition drew over 1,000 athletes in September 2026

Watch out for

  • Venue near 1,970 m (6,460 ft): slower paces and acclimatisation needed
  • Water temperature and wetsuit rule unknown
  • No athlete reports yet, so ratings rest on previews
  • No 2027 date announced
  • Travel via Dali Fengyi airport or rail from Kunming

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

    Inaugural 2026 race with only official-style coverage and no athlete opinions found. · Low confidence

  • OrganizationWell run3.5

    The 1,000-athlete debut ran on schedule, and no criticism was found; no athlete accounts either way. · Low confidence

  • First timer friendlyDoable2.8

    Flat course, but the venue is near 1,970 m (6,460 ft) and the trip is international. · Low confidence

Course traits, not part of the score

  • PR potentialAverage3.0

    Flat and fast terrain offset by altitude; age-group overall winners took 3:51:23 and 4:22:31. · Low confidence

  • Course easeTough3.0

    Altitude is the challenge; the terrain is flat. · Low confidence

Swim

3.3Good

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

  • Wetsuit legalCoin flip3.3

    No water temperature or wetsuit ruling published. · Low confidence

  • Water temperatureAcceptable3.3

    No water data found, so this is a neutral estimate for a high-altitude lake. · Low confidence

  • Calm waterSome chop3.4

    Large lake that can be exposed to wind; no race reports. · Low confidence

  • Swim easeEasy3.5

    Single 1.9 km (1.2 mi) lap swum south to north; start format unknown. · Low confidence

  • Swim experienceGreat3.8

    Erhai Lake with a mountain backdrop per previews; no athlete accounts. · Low confidence

Bike

3.6Very good

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

  • Road surfaceGood3.5

    No surface information found. · Low confidence

  • Road closuresMostly closed3.6

    City avenues; the extent of closure is not confirmed. · Low confidence

  • Bike sceneryBeautiful4.3

    Erhai Lake and Cang Mountain views per previews. · Low confidence

  • WindSome wind3.1

    Open lakeside plateau; no wind data. · Low confidence

Course traits, not part of the score

  • Bike speedFast3.8

    Almost flat three laps, but one mid-pack finisher rode 2:59:08 at altitude. · Low confidence

  • Bike flatnessPancake flat4.5

    Described as almost flat and no gain is published for the three lakeside laps. · Low confidence

  • Bike simplicityMostly simple4.0

    Three simple laps on avenues around the lake. · Low confidence

Run

3.0Good

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

  • Crowd supportDecent3.1

    New event promoted by the city; no crowd reports. · Low confidence

  • Aid stationsStandard3.3

    No aid reports found. · Low confidence

  • Run sceneryBeautiful4.4

    Erhai Lake ecological corridor. · Low confidence

  • Run conditionsModerate3.2

    Flat, but the altitude of 1,970 m (6,460 ft) will slow most runners. · Low confidence

Course traits, not part of the score

  • Run flatnessFlat4.6

    Flat lakeside corridor over two laps. · Low confidence

Conditions

3.9Very good

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

  • Air temperaturePleasant3.9

    September is probably 15 to 25 °C (59 to 77 °F); this is not confirmed by race reports. · Low confidence

  • Weather reliabilityVariable3.0

    Late rainy season; no race-day weather data. · Low confidence

  • Venue beautyStunning4.5

    Historic Dali between Erhai Lake and Cang Mountain. · Medium confidence

  • Spectator friendlySome viewpoints3.4

    Multi-lap bike and run are watchable; no reports. · Low confidence

Course traits, not part of the score

  • Low altitudeHigh altitude1.2

    About 1,970 m (6,460 ft), above the 1,500 m (4,900 ft) low end of the scale. · High confidence

Stay and travel

3.1Good

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

  • Hotel availabilityGood4.0

    Tourist destination with plentiful lodging. · Low confidence

  • Hotel valueGood3.5

    No price evidence found. · Low confidence

  • WalkabilitySome driving3.2

    The venue is the Olympic Sports Center; distance from hotels unknown. · Low confidence

  • Travel easeOne connection2.5

    Reached via Dali Fengyi airport or high-speed rail from Kunming; international visitors need connections. · Medium confidence

  • LogisticsSimple3.5

    Single venue base and a repeated lap bike. · Low confidence

  • Town and foodGood4.3

    Well-known tourist destination with an old town and Yunnan cuisine. · Low confidence

Key facts

Location
Dali, Yunnan, China
Typical month
September
Organiser
IRONMAN
Field size
About 1,000 athletes
First held
2026
Distances
1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
Swim venue
Erhai Lake (Xierhe), Dali (lake)
Swim laps
1
Bike laps
3
Run laps
2
Air temperature
15–25 °C (59–77 °F)
Altitude
1,970 m (6,460 ft)
Nearest airport
Dali Fengyi Airport (DLU)
Where to stay
Dali old town, Erhai lakeside
Booking
High-speed rail from Kunming also available.

Official race website (ironman.com)

What racers and reviewers say

  • People's Daily (Yunnan channel)Raced 2026 · article · Positive

    Chinese-language recap: over a thousand athletes, 8:00 start, swim south-to-north in the Xierhe, three bike laps by the lake, run on the Erhai corridor; age-group winners 3:51:23 and 4:22:31; framed as city tourism promotion.

  • UK Run Chat previewRaced 2026 · article · Positive

    Preview: lake swim, almost flat three-lap bike, flat two-lap run, altitude about 1,970 m (6,460 ft), Dali Fengyi airport plus rail from Kunming.

  • ProPakistaniRaced 2026 · article · Mixed

    News on a Pakistani finisher: 6:30:41 overall with a 2:59:08 bike (about 30 km/h (18.6 mph) / 19 mph), course described as largely flat along Erhai (seen via search snippet; page unreachable).

Sources

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

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