Portsmouth Coastal Waterside Marathon Events
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Portsmouth Coastal Waterside Marathon Events 2026
The Portsmouth Coastal Waterside Marathon Events take place on 20 December 2026 in Southsea, Portsmouth (S Parade, PO4 0SW). Organised by Believe and Achieve Events Ltd, the event is a festive coastal running weekend that offers multiple race distances and related event services.
Race distances include:
- Portsmouth Coastal Waterside Marathon
- Festive Half Marathon
- The 12km of Christmas (new for 2026)
The courses follow super-flat, multi-terrain coastal routes around Langstone Harbour and can be muddy in places. Final route maps will be released in November 2026 after confirmation with the Coastal Sea Defence team.
Event support includes fully stocked aid stations, volunteer and spectator presence along the route, and finish medals. Official event merchandise is available to pre-order online in partnership with Scimitar Sports. Pre-order benefits listed by the organiser include guaranteed sizing, the option to collect around race weekend, official event kit and designs, and support for more sustainable event delivery. Merchandise is optional and sold separately from entry.
The event description highlights a winter or festive atmosphere, multiple distance options, and coastal scenery as part of the race setting. Visit the organization's website for the most recent information.
