Katy Half Marathon

Katy, TX, USA · February 7, 2027
partly-cloudy-day50°·56° high·Light·Dry
9
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Katy Half Marathon race day weather

partly-cloudy-day
50°at start
66° high
Breezy
Dry
Your goal
0:00:00

Cool temps, headwinds early

Runners will face temperatures starting at 50°F and rising to 56°F by finish. Winds will be a headwind early on, particularly in Miles 1 and 3-5, with light conditions overall. With humidity at 67%, adjusting pace early is crucial, especially during the headwinds. Runners should consider hydration strategies and maintain a conservative pace in the first half before benefiting from tailwinds in Miles 9-11.

Race day forecast available in 71 days
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Pace Calculator

13.1mi
0:00:00
HH:MM:SS
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Katy Half Marathon route and elevation

The Katy Half Marathon course has about 58 ft (18 m) of climbing and 58 ft (18 m) of descent, and finishes near the elevation it starts. It is flatter than 73% of the half marathon courses racecast.io has mapped, measured by what the hills cost in time. It has no steep miles: no mile climbs more than 25 ft (8 m).

What the hills cost

The hills change finish times by less than 0.2% here, under half a minute for a 2:00 runner.

Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.

Even-effort splits for a 1:45, 2:00 or 2:15 finish
The Katy Half Marathon mile splits at even effort for three finish times, with each mile's climb and descent
MileClimbDescent1:452:002:15
13 ft5 ft7:599:0710:16
24 ft4 ft8:009:0910:17
32 ft9 ft7:589:0610:15
42 ft7 ft7:599:0710:15
53 ft14 ft7:579:0610:14
622 ft7 ft8:079:1710:26
710 ft14 ft7:599:0710:16
813 ft17 ft7:599:0710:15
99 ft7 ft8:009:0910:18
109 ft4 ft8:039:1210:21
115 ft3 ft8:019:0910:18
128 ft3 ft8:029:1210:21
135 ft2 ft8:019:1010:18
Last 0.12 ft0 ft0:551:021:10

Explore the Katy Half Marathon course with the weather and your pace along the route, or compare it with other races.

Race Plan

Get your personalized Katy Half Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

About the Katy Half Marathon

The Katy Half Marathon & 5K is held each February in Katy, Texas, west of Houston, and is part of the Run Houston race series. The half marathon is a loop course on paved roads that starts and finishes at Typhoon Texas Waterpark and is USATF certified. The course records are 1:09:29 for men, set in 2015, and 1:20:07 for women, set in 2019.

Race weekend

Sunday, February 7
7:00 AMHalf Marathon (13.1 mi)
5K (3.1 mi)

Katy Half Marathon FAQ

When is the 2027 Katy Half Marathon?

The 2027 Katy Half Marathon will be held on Sunday February 7, 2027.

What will the weather be like for the 2027 Katy Half Marathon?

The forecast calls for a high of 67°F and a low of 48°F with a 6% chance of rain.

What is the elevation gain of the Katy Half Marathon?

The Katy Half Marathon course has about 58 ft (18 m) of climbing and 58 ft (18 m) of descent, and finishes near the elevation it starts.

Is the Katy Half Marathon flat?

Yes. It has about 4 ft (1 m) of climbing per mile, and no mile climbs more than 25 ft (8 m). The hills change finish times by less than 0.2% here, under half a minute for a 2:00 runner. It is flatter than 73% of the half marathon courses racecast.io has mapped, measured by what the hills cost in time.

What is the weather usually like for the Katy Half Marathon?

Over the 4 years racecast.io has race-day weather for (2015 to 2025), it averaged 57°F at the start and 60°F by a typical finish. Rain fell during race hours in 2 of those years (2018 and 2024).

What was the hottest Katy Half Marathon?

Of the 4 years on record, 2025 was the warmest, reaching 72°F during race hours. The coldest start was 2015, at 40°F.

What was the windiest Katy Half Marathon?

Of the 4 years on record, 2024 was the windiest, with wind averaging 10 mph during race hours. The calmest was 2015, at 4 mph.

Katy Half Marathon weather history

Based on 4 years of data
Avg Temp
58°F
L:57° H:60°
RunScore
7
Conditions
Rain Freq
50%
2 of 4 yrs
Wind8mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
70°/72°-
4
2024
rain
70°/71°Light
4
2018
cloudy
49°/50°Light
10
2015
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40°/49°-
10