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Cal Tri Houston
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Cal Tri Houston

Katy, Texas, United States View on map
Sep 12, 2027 (America/Chicago local time)
Triathlon

About this race

2026 Cal Tri Houston - 9.13.26

New for 2026, Cal Tri Houston!

5 EVENT OPTIONS. Sprint Triathlon, RunBikeRun, RunSwim, Swim, & 5K Run. Reverse Triathlon = run + bike + swim. Check out the course maps for more detailed information. 

TO DO. Typhoon Texas Waterpark Houston

AIRPORT. George Bush Intercontinental Airport (IAH)

AIR TEMPERATURE (AVG). 70 F / 90 F

WATER TEMPERATURE (AVG). 80 F. 

Pick your distance

Triathlon

Sprint Triathlon

Sep 12, 2027 Sprint Triathlon 7:00 AM
$78.86
Open

Duathlon

RunBikeRun

Sep 12, 2027 RunBikeRun 7:00 AM
$78.86
Open

RunSwim

Sep 12, 2027 RunSwim 7:00 AM
$78.86
Open

Swimming

Swim

Sep 12, 2027 Swim 7:00 AM
$23.86
Open

Running

5K

Sep 12, 2027 5K 7:00 AM
$23.86
Open

Sponsor - 10x10 Tent

Sep 12, 2027 Sponsor - 10x10 Tent 7:00 AM
$500.00
Open

Typical race-day weather

Based on 4 years of Open-Meteo archive data for this event's race dates in Katy, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 23.6° / Maximum temperature (race-week average) 33.2°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 23.6° / Maximum feels like — heat index / wind chill (race-week average) 46.0°
Peak wind (km/h)
Strongest wind of the day (race-week average)
15.6
Precip (mm)
Precipitation over the day (race-week average)
2.3mm
Humidity
Mean relative humidity (race-week average)
73.1%
Sunrise
Sunrise at the start line on September 12, 2027 (CDT)
Sunset
Sunset at the start line on September 12, 2027 (CDT)
Daylight
Hours between sunrise and sunset on race day
12h 26m

The sun rises at 7:06 AM and sets at 7:32 PM local time (CDT) in Katy on September 12, 2027 — 12h 26m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Katy

Different organizers, within 40 miles, in the next three months

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 32 Katy events

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