About this run

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Sun, 20 Sep 2026

08:30 - 10:00

Challenge me

Free

Heathley Clarke

Everyone

Indoor

10k+

10 - 15 minute miles



Notes from the run leader

This is a Half-Marathon training trail running session of between 20-25k, across farmland tracks, bridleways and through woodland. Over undulating, but enjoyable terrain, this session can be your new challenge for trail running, or feature as part of your road half-marathon training.



Lead run leader



Choose your sessions

Sun, 20 Sep 2026 08:30 - 10:00 Welwyn North Station car park (outside Deli Stop Cafe, Harmer Green Lane side)

Welwyn North Station car park (outside Deli Stop Cafe, Harmer Green Lane side)

Sun, 20 Sep 2026 08:30 - 10:00



Where to find us

Welwyn North Station car park (outside Deli Stop Cafe, Harmer Green Lane side)

Your sessions

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