IRONMAN 70.3 WacoTraining Plan & Race Guide 2026

Waco, United StatesOctober 4, 202670.3 mi — Half Distance1 min readPublished July 13, 2026
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01·Course Characteristics

The heat and wind of Waco

A fast downriver swim gives way to a challenging rolling bike ride plagued by strong southern winds, culminating in a hot, exposed run featuring Cameron Park's notoriously steep climb.

Climate
32°C
Peak air · water 21-27°C · early October
Conditions
Exposed
Texas winds · high humidity · minimal shade
Elevation
634 m
Bike gain · rolling hills · false flats
Difficulty
6 / 10
Supported by an easy downriver swim, but made challenging by rolling bike hills, relentless winds, and extreme heat on the run.

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The ideal build for this course is 16 weeks, and you have 11. We'll compress the essentials into your remaining time, prioritizing the demands that matter most on this course to get you to the finish line.

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02·Course by Section

Swim · Bike · Run — the data & the tactics

01
Swim

Brazos River Glide

Brazos River
DISTANCE
1.9 km
FORMAT
Point-to-point
WATER
Freshwater
TEMP
21-27°C
CURRENT
Downriver assist

A beginner-friendly point-to-point swim down the freshwater Brazos River starting at Pecan Bottom Park. Swimmers stay within 50 meters of the bank and benefit from a gentle, steering current.

02
Bike

Rural Central Texas Loop

Waco Countryside
DISTANCE
90 km
LOOPS
1
ELEVATION
634 m
TERRAIN
Rolling hills
WIND
South winds

A single-loop course featuring smooth rolling hills, false flats, and notable gear-shifting sections on Highway 77. The rural route is highly exposed to strong headwinds and crosswinds.

03
Run

The Five Bridges Run

Brazos River and Cameron Park
DISTANCE
21.1 km
LOOPS
2
ELEVATION
143-224 m
SHADE
Mixed
PEAK TEMP
32°C

A double-loop route along the Brazos River, crossing historic bridges five times. The course features a short but notoriously steep climb in Cameron Park and heavily exposed pavement under the afternoon sun.

03·AVG beginners' Training Timeline

From zero to the finish line

16 weeks

This 16-week training arc is strategically designed to prepare you for Waco's unique demands. By front-loading aerobic volume and progressively introducing wind-resistant bike intervals and steep run-hill repeats, we ensure you have the strength to tackle the rolling course and high afternoon temperatures.

Today · WK 0Race Day
WK 1–5

Aerobic Base & Strength

Build a solid aerobic foundation and overall strength to prepare for the demands of the bike and run.

WK 6–9

Rolling Power & Wind Prep

Develop bike force and aerodynamic hold to tackle rolling country hills and Texas head/crosswinds.

WK 10–13

Specific Build & Hill Durability

Combine longer tempo rides with brick runs containing steep hill repeats to mimic the Cameron Park challenge.

WK 14–16

Peak & Taper

Fine-tune hydration, practice active cooling under heat, and shed volume to arrive completely fresh.

Adapts to your fitness, schedule & recovery every week.

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04·Race-Day Execution

Controlled aggression, start to finish

Weather & cooling

Temperatures can soar above 32°C, making active cooling essential. Utilize every aid station to grab ice and cold water to keep your core temperature down, especially on the highly exposed run.

Fuel & hydration

Aim for high fluid intake of 700 to 950 ml per hour, supplemented with significant sodium and electrolytes to combat the heavy Texas heat and prevent cramping during the run.

Pacing

Conserve energy during the assisted downriver swim. Pace yourself conservatively on the outbound bike leg to manage the southern headwind, reserving strength for the steep Cameron Park hill.

Gear & logistics

A versatile mid-depth front wheel is ideal to handle windy crosswinds on the exposed country roads. Book accommodations near Indian Spring Park early to secure easy access to the transition area.

Frequently Asked Questions

What is the water temperature and wetsuit policy for the IRONMAN 70.3 Waco swim?

The water temperature in the freshwater Brazos River typically hovers between 70°F and 80°F (21°C to 26.6°C) on race day. Depending on seasonal cold fronts, this makes it a borderline wetsuit-optional or swimskin-required swim. The 1.2-mile, point-to-point course is beginner-friendly as it flows downriver with a gentle, supportive current.

How hard is the IRONMAN 70.3 Waco bike course?

The bike course is moderately challenging, featuring a single-loop route with rolling hills, false flats, and approximately 2,081 feet (634 meters) of total elevation gain. You will face heavy wind exposure, typically with a strong headwind or crosswind from the south on the outbound section, and a few steep sections on Highway 77 that require your small chainring. Keep an eye out for rough shoulders, crack lines, and potholes around the 6.3-mile, 8.1-mile, and 13-mile marks.

What is the run course profile and elevation for IRONMAN 70.3 Waco?

The run is an exciting double-loop, 13.1-mile course along the Brazos River that crosses historic bridges five times and gains between 471 and 736 feet (143 to 224 meters) of total elevation. You will encounter a short but notoriously steep and challenging climb in Cameron Park. While the park offers some tree cover, much of the pavement near the river and stadium is fully exposed to the midday sun before you finish on the historic Waco Suspension Bridge.

What weather conditions should I expect at IRONMAN 70.3 Waco?

You should prepare for warm and potentially very hot conditions, with historical afternoon highs ranging from 89°F to 94°F (31.7°C to 34.4°C) and morning lows between 53°F and 76°F (11.7°C to 24.4°C). High morning humidity during the swim often transitions into a dry, windy heat on the bike and run. Due to these high temperatures, maintaining a high fluid intake of 24 to 32 ounces per hour and supplementing with substantial sodium is critical to prevent cramping.

How should I plan my travel and lodging for IRONMAN 70.3 Waco?

The most convenient airports are Dallas-Fort Worth International (DFW) and Dallas Love Field (DAL), both located about a 1.5 to 2-hour drive from Waco, though Waco Regional Airport (ACT) also offers regional flights. Once there, staying near Indian Spring Park in downtown Waco is highly recommended for easy, walkable access to the transition area. You should book your accommodations as early as possible because local hotels fill up rapidly due to the race and nearby Baylor University events.

Your Personalized Plan

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