Events
Training
Rankings
Equipment
Communities
Tools
Tools & Calculators
Pace calculators, race predictors, logging apps, training platforms, and PM5 developer tools.
Pace & Split Calculators
Concept2 Pace Calculator
Official pace calculator for converting split, time, distance, and watts across RowErg, SkiErg, and BikeErg sessions.
RowingRelated Pace Calculator
Independent rowing pace calculator with split-to-watts conversion, quick race estimates, and common erg distance references.
AthletePath Pace Calculator
Free rowing pace calculator for split planning, finish-time predictions, and target pacing across common erg distances.
CrewLab Erg Calculator
Erg calculator that converts splits and watts while helping set race targets and training zones.
Omnicalculator ERG
Simple browser calculator for erg pace, distance, time, and watt conversions without extra setup.
Ultimate Erg Calculator
Classic all-in-one erg calculator for pace, watts, calories, and finishing-time conversions.
RowErgCalc
Concept2-focused calculator for pacing, splits, watts, and projected finish times on the erg.
Rower Academy Erg Pace Calculator
Erg pace calculator from Rower Academy for converting split, distance, watts, and projected rowing times.
ActiveCalculator Rowing Split
Free split calculator that converts pace, watts, and total time with benchmark tables and pacing tips.
Data Logging, Analytics & Sync
Concept2 Logbook
Concept2 online logbook for storing workouts, joining challenges, tracking meters, and comparing progress.
Rowsandall (analytics)
Rowsandall guide to advanced rowing analytics, charts, and deeper analysis of logbook workout data.
ErgData
Official Concept2 app for syncing PM5 workouts, saving sessions to the logbook, and monitoring live data.
StravaRow
Independent site covering ways to connect rowing data with Strava-style tracking and training workflows.
ErgScan (iPhone app)
Photo-based iPhone workout logger that turns PM5 screen snapshots into organized rowing history and progress charts.
PM5 Dev Tools & Open Source
C2Bluetooth (Flutter)
Flutter library for reading Concept2 PM5 data over Bluetooth in custom mobile applications.
ErgArcade PM5-Base
Bluetooth PM5 base app that exposes monitor variables for custom telemetry and interactive erg projects.
ErgometerJS
JavaScript driver for Concept2 PM5 monitors over BLE or USB in browser, Electron, and hybrid apps.
Home Assistant PM5 Integration
Home Assistant integration for pulling PM5 Bluetooth data into smart-home dashboards and automations.
rowingdata (PyPI)
Python package for parsing rowing workout files and pushing structured data into the Concept2 ecosystem.
Training & Competition Platforms
ErgZone
Workout builder and competition platform for rowing, skiing, and biking with benchmarks and coach-shared sessions.
EXR
Virtual indoor rowing platform with structured workouts, game-style courses, and multiplayer racing.
The Rowing App
Useful indoor rowing resource with relevant details, tools, or event information for erg athletes.
Concept2 Challenges
Concept2 guide to creating or joining teams for seasonal challenges and cumulative-meter competitions.
Power, Watts & Erg Score
Concept2 Watts Calculator
Official Concept2 watts calculator for converting average split pace into rowing power output and back again.
ErgScore Calculator (Oxford)
Oxford ErgScore calculator that normalizes 2K rowing scores across age, sex, and weight classes.
Free Spirits Watts to Split Converter
Quick converter that turns rowing watts into an equivalent split pace using the standard erg formula.
Race Targets & Predictors
Targetsplits
Target split planner for building race pacing strategies and seeing exactly what split hits your goal time.
Free Spirits Pace Predictor
Free Spirits Rowing forum tool and community hub for pace predictions and indoor rowing discussion.
Rowing Regimen Race Pace Calculator
Race split planner for 500m through marathon efforts, with pace, speed, and watts conversions.
