Night-O Series Finale – Wimbledon Common, Tuesday 24th March

The final race of the 2025-2026 night series takes place on the southern half of Wimbledon Common, south-west London, on Tuesday 24th March 2026. With mass starts for both the Long and Short courses, expect exciting head-to-head racing!

Race Centre

The race will be based at The Crooked Billet, SW19 4RQ. The pub serves great food and drink, and there will be the usual opportunity to revisit route choices with other runners. Kit can be left while you run (at you own risk).

Note that due to online entry (see below), you do not need to come the The Crooked Billet before your run if you have your own SI card – you can go directly to the start. However you must come back to the pub to download.

Whistles are mandatory – they can be borrowed (collect from The Crooked Billet).

Location	Wimbledon Common
Address	Crooked Billet, SW19 4RQ
Latitude/longitude	51.4213, -0.2278
OS grid reference	TQ233706
Maps	Google Maps, OpenStreetMap

Getting There

The Crooked Billet is close to Wimbledon village and there is plenty of parking available on nearby roads. The pub is a 25 minute walk from Wimbledon Station (SW Mainline and Underground) or Raynes Park. Bus route 200 runs from Wimbledon station and Raynes Park, closest stop is “Edge Hill” on Ridgway. Route 93 runs between Wimbledon and Putney Bridge, stop “Marryat Road” or “Wimbledon War Memorial”. See TFL website for details.

There are no bike racks, but there is some street furniture to lock bikes to.

Race Details & Entry

Entries opening soon at SiEntries. The entry fee is £5 for SLOW members, students and juniors; £7 for others. The races use both SIAC contactless and SI electronic punching; SIAC cards are available to hire for those who do not have their own for £2. A small number of headlamps are also available to borrow for free but you need to e-mail the organiser in advance of each race to reserve one.

All entries, including on the day, will be online. Entries will stay open until 19:10 on the day of the event subject to map availability.

Terrain and Course Information

Wimbledon Common offers varied and relatively technical terrain.

These courses are offered:

• Long: approximately 5km, quite challenging – mass start ~19:15
• Short: approximately 2.5km, quite challenging – mass start ~19:15

Courses close 20:45 – you must return to the pub by this time.

All competitors take part at their own risk. Adequate clothing should be worn for the conditions. Full leg cover is strongly recommended.

Results will be available on the SLOW website shortly after the event.

SIAC Collection

If you are hiring a SIAC card, you can collect from the Crooked Billet between 18:00 – 19:00. The earlier you can arrive the better.

Start Location

The start is 700m from the Crooked Billet – allow 10 mins walk / 5 min jog. Please aim to be there by 19:05

Insurace Cover and Additional Information

All competitors take part at their own risk. Participants who are not members of British Orienteering are not covered by British Orienteering’s public liability insurance. By entering this event, I acknowledge that I am taking part at my own risk. For example, if you were to accidentally injure a member of the public or damage property during the event, you would not be covered.

If you are not yet a member, now is the perfect time to join or renew for 2026! Please join via British Orienteering, or drop us an email with any queries.

Results will be available on the SLOW website shortly after the event.

Photographs may be taken during the event.

Helping on the Night

This event can’t happen without volunteer effort on the night. If you can lend it is greatly appreciated – please get in touch with the organiser. To make the mass start happen we need 1 non-running volunteer, which will entitle you to a free entry at the future SLOW event.

Organiser / Planner – Steve Clelland