Best Bike Split

Best Bike Split is cycling and triathlon race planning software that uses physics-based modeling to create variable power pacing plans from course, rider, and weather data.

Sport & Fitness

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What Best Bike Split is

Best Bike Split is cycling and triathlon race planning software that uses a physics-based engine to estimate bike split outcomes and generate variable power pacing plans. It combines rider data, course information, and race-day conditions so athletes and coaches can plan toward a specific finish time or power target.

The product is aimed at triathletes, road cyclists, and coaches who want a more precise plan for race day execution. The site emphasizes race planning, pacing guidance, course modeling, and performance analysis rather than general training tracking.

Core features

Physics-based race modeling

Build a pacing plan from a model that accounts for aerodynamic drag, rolling resistance, gravity, wind, course elevation, and your own power profile.

Athlete and course profiling

Set up an athlete profile with details such as weight, height, FTP, MaxHR, bike type, wheel type, and components, then pair it with an existing course or a custom one.

Course Builder

Create courses without waiting for official files, with automatic detection of bridges, tunnels, road surface types, and significant climbs.

Analytics and comparison tools

Review ride data with time analysis, CdA estimation, yaw angle and gradient analysis, weather data, and comparison views for race plans versus actual rides.

Device and workout integration

Follow target power and speed on supported head units, including Hammerhead Karoo and Wahoo ELEMNT, with exports for Garmin Edge devices and workout sync to TrainingPeaks, Zwift, and Garmin Connect.

Premium planning tools

Use premium tools such as the AI Workout Builder, AI Assistant, and race simulation features to plan training and execution around specific events.

Common ways people use Best Bike Split

Plan for a specific race
Athletes can estimate a bike split for an Ironman, triathlon, gran fondo, or other event by pairing their rider profile with a course and forecasted weather.
Coach multiple athletes
Coaches can build and manage race plans for athletes, then share pacing strategies from a single coach account.
Model a course before it exists
Cyclists can create or refine a course in the Course Builder when official files are unavailable, including routes with bridges, tunnels, and different road surfaces.
Analyze and compare performance
Athletes can use the analytics and comparison tools to review ride data, compare plans against actual performance, and study how power, drag, weight, or rolling resistance affect results.
Execute on race day
Riders can follow pacing targets on supported head units during an event instead of relying on memory or static FTP percentages.

Pros and Cons

Pros

Uses a physics-based model rather than a generic percentage-based pacing rule.
Supports both race planning and race-day execution with target guidance on compatible devices.
Includes course building, ride analytics, comparison, and time analysis tools in one product.
Offers free access to a basic plan and paid tiers for athletes and coaches.
Provides coach subscriptions for managing multiple athletes from one account.

Cons

Several advanced capabilities are reserved for paid subscriptions.
Some integrations are device-specific, and the site notes compatibility limits for certain newer Wahoo devices.
The site supports a wide set of workflows, but many details are presented at a high level rather than as deeply documented feature specs.

FAQ

What is Best Bike Split?

Best Bike Split is a physics-based cycling and triathlon race planning tool that uses your power data, real course files, and weather forecasts to generate a variable power pacing plan.

How does Best Bike Split create a pacing plan?

The platform models aerodynamic drag, rolling resistance, gravity, and wind for each segment of a course, then combines that with FTP, bike profile, elevation, and forecasted weather to estimate the most efficient pacing plan.

Does Best Bike Split work for Ironman racing?

Yes. Ironman racing is one of the product's core use cases, and the site says its database includes the vast majority of Ironman-branded courses worldwide.

Do I need a power meter to use Best Bike Split?

A power meter is recommended for race-day execution, but it is not required to build a plan. Best Bike Split also supports speed-based targets for athletes racing without a power meter.

Can coaches use Best Bike Split for their athletes?

Yes. The site offers coach subscriptions that let coaches create and manage athlete profiles, build race plans for athletes, and share pacing strategies from one account.

Quick Facts

Category: Cycling and triathlon race planning software
Primary users: Triathletes, road cyclists, and coaches
Platform support: Web app with supported integrations for Hammerhead Karoo, Wahoo ELEMNT, Garmin Edge exports, TrainingPeaks, Zwift, and Garmin Connect
Pricing shape: Free Athlete Basic plan plus paid athlete and coach subscriptions
Source domain: bestbikesplit.com
Notable workflow: Model a course, set rider data, generate a variable power pacing plan, and execute with device targets

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