Beat Length Calculator vs MarkSetBot Usage & Stats
Quick & easy calculation of a beat length for many dinghy classes based on course layout, wind speed and target time.
Based on data collected by David Campbell-James (https://www.rya.org.uk/racing/running-racing/speed-charts) and other sources (https://starttimerapp.com/beatlength#sources)
- Apple App Store
- Free
- Sports
Store Rank
- -
MarkSetBot is the automated sailboat racing mark.
The mark is controlled with any smart phone, tablet, or PC.
There's a Botter Way
WARNING: You must own a MarkSetBot or use CourseSetter to use this app.
www.marksetbot.com
- Apple App Store
- Free
- Sports
Store Rank
- -
Beat Length Calculator VS. 
MarkSetBotJanuary 17, 2026