The best alternatives to True Pace: Race Calculator are Naked Run Club, PaceCoach, and Cyborg. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of True Pace: Race Calculator?
AssemblyAI— Speech-to-Text API with superhuman accuracy
The Weekly Runs app allows you to quickly create your running plan by cloning previous weeks and making distance adjustments. You can easily update your plan after any injury, by inserting no running and recovery weeks. A custom checklist helps you to avoid missing any warm-ups.
Run Faster, Run Longer, Get Stronger with Pace To Race - the first running app to deliver a virtual pacer and trainer into your pocket. Everyone has a smart phone, now you can run smart without the need for expensive wearables.