Fairly challenging 8 mile evening hike around Pednor Loop

You will need your hiking shoes for this one! Join me on a fairly challenging hike around the hills of Pednor Loop/ Chesham.
We will meet outside the Queens Head Pub in Chesham Old Town and leave at 5pm sharp. The hike is 8 miles, with a number of steep hills, max time 3 hours.
Do bring water, wear the right clothes and shoes for hiking.
You need to be fairly fit and confident that you can hike 8 miles in 3 hours.
Please join me for food after in the Queens Head Pub, Thai food available! I will need to book a table so please let me know in advance if you will be joining me.