Swimming at the 2020 Summer Paralympics – Mixed 4 × 100 metre freestyle relay 49pts
The mixed 4 × 100 metre freestyle relay 49pts swimming event for the 2020 Summer Paralympics took place at the Tokyo Aquatics Centre on 31 August 2021. Competition format
Relay teams are based on a point score. The sport class of an individual swimmer is worth the actual number value i.e. sport class S6 is worth six points, sport class S12 is worth twelve points, and so on. The total of all the competitors must add up to 49 points or less. Final

References

Swimming at the 2020 Summer Paralympics