Race planning spreadsheets are out of date the moment the race starts. Keep an updated plan as the race advances, with later segments updating with actual check-in times.
You can add your own race or choose a curated race from Crew Companion. Then you can build your pace plan directly in the app, or you can import your pace plan from a spreadsheet or planning tool like Ultrapacer.
Aid station planner for crews, keep pacing plan up-to-date