Chiayi City Ponds International Marathon
Race Day Weather
Warm start, rising heat challenge
Runners will face a temperature rise from 75°F at the start to 88°F by the finish. With humidity at 61% and a dew point of 68°F, it will feel increasingly oppressive. Runners should adjust their pace conservatively to manage the heat and stay hydrated throughout the race.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Chiayi City Ponds International Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Chiayi City Ponds International Marathon, locally the Chiayi Shuangtan Marathon Elite Race (嘉義雙潭馬拉松菁英賽), is run by the Chiayi City Government in southwestern Taiwan, with a full and a half marathon. Both start at the Chiayi Municipal Athletics Field and loop around the Lantan and Renyitan reservoirs before returning through the city. The course was certified by AIMS and World Athletics in 2023, entry is capped at 1,000 runners per distance, and the first edition was held on November 30, 2025.
