Race Split Calculator

Create exact mile or kilometer race splits for even, conservative-start or negative-split pacing strategies.

About RunAnalytics

RunAnalytics is an AI-powered running analytics platform that integrates with Strava to deliver personalized insights, race predictions, training plan generation, recovery analysis, and a conversational AI running coach. We help runners of every level train smarter and avoid injury.

Explore the platform

Race Time Predictor: predict 5K, 10K, half & marathon finish times.
Marathon Fueling Planner: build a personalized fueling strategy.
Aerobic Decoupling Calculator: measure aerobic efficiency.
Training Split Analyzer: see your easy/hard balance.
Cadence Analyzer: analyze running form stability.
Running Shoe Database: 280+ shoes with AI insights.
Shoe Finder: get matched to the right pair.
Rotation Planner: build a smart shoe rotation.