Boulder Shack Mega Series

A bouldering competition series with a large focus on fun and inclusivity. Each round has 25 brand new routes and finishes with a raffle.

Book or read more on Boulder Shack Climbing Gym's site ↗

When it runs

Runs across 12 months with a round every two months

Where it is

Boulder Shack Climbing Gym — bouldering in Southampton.

Southampton

Also on at Boulder Shack Climbing Gym

• Held a couple of times a year
  Local Walls Comps · official ↗
  CompetitionYouth

  Friendly junior climbing competitions organised jointly with other local climbing walls. Open to all recreational junior climbers, whether or not they are in the gym's junior climbing clubs.

Other competition events in South East

• 22 Aug 2026
  Vertical Fiesta · official ↗
  The Climbing Experience · Maidstone, South East
  CompetitionOpen to all£10 + entry

  A fun competition with abstract routes on unconventional holds and silly blocs available only on the day. Open to all climbing levels.

• Yearly editions listed on the competitions page; the most recent listed is The Big Winter Comp: 2025
  The Big Winter Comp · official ↗
  Chimera Climbing Tunbridge Wells · Royal Tunbridge Wells, South East
  CompetitionOpen to all

  Recurring winter competition listed on Chimera's competitions page.

• Yearly editions listed on the competitions page (2019, 2022, 2023, 2024)
  The Big Summer Party · official ↗
  Chimera Climbing Tunbridge Wells · Royal Tunbridge Wells, South East
  CompetitionOpen to all

  Recurring summer competition and party listed on Chimera's competitions page.

• Page describes a two-day format with an adults day on March 28th and a youth day on March 29th
  The Mighty Oak · official ↗
  Oakwood Climbing Centre · Wokingham, South East
  CompetitionOpen to all

  The centre is completely stripped and reset for the weekend, with GB setters brought in along with holds from previous years' international competitions. Each day ends with a live final, free for spectators. Youth day covers Under 11, Under 13, Under 15 and Under 17 categories.

• 2025/26 season
  ELEVATE: Route Climbing Competition 25/26 · official ↗
  Parthian Climbing Southampton · Southampton, South East
  CompetitionOpen to all

  Route climbing competition run over the 2025/26 season at Parthian Southampton.

• 16 May 2026
  BB XIII - Youth Finals · official ↗
  Boulder Brighton · Brighton, South East
  CompetitionYouthPast

  Youth finals of the BB XIII competition. Spectators welcome.

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