Overall an enjoyable climb with some nice bagpipes at the top. I was near the back of pen D (the latest starting riders for the 85 mile route). Ignore the heart rate data as my heart rate monitor was faulty.
4.04km with an average grade of 5.1%
Strava segment for this climb:
https://www.strava.com/segments/1197242
GPS, elevation, and speed: Wahoo Elemnt Bolt V2
Power and cadence: Favero Assioma Duo pedals
Rider weight: 73kg
Total bike weight with gear: ~14kg
Rider height: 183cm
In case anyone's interested, my lowest gear was 31/34 and I used this for the steepest sections