Portsmouth
Triathlon Calendar near Portsmouth 2026-2027
Monthly updates for Portsmouth
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Portsmouth for 2026-2027! We've gathered 8 exciting races in the area. Check out our detailed list below to find your next local race.
November 2026
Family-friendly adventure racing at Alice Holt Forest combining biking, running and checkpoint navigation, including a 8 km Wolf Cub Challenge and team entry options.
March 2027
Indoor pool swim with poolside transition followed by a seafront run in Littlehampton, offered in two distances with age categories and prizes.
April 2027
Pool-based sprint triathlon at Applemore Leisure Centre: 400 m swim, 21 km bike through the New Forest and a 5 km run to Dibden Purlieu.
May 2027
Multi terrain duathlon in Fareham on 2 May 2027 with trail running, road cycling and three distance options starting and finishing at Henry Cort Community College.
Triathlon at Arundel Lido on 16 May 2027 with Standard and Sprint options, heated 25m pool swims, a rolling bike course and run routes near the castle.
Monthly updates for Portsmouth
Get new running races (and updates) in your inbox every month.
June 2027
A series of five evening triathlons in Portsmouth combining running, cycling and a kayak or SUP leg, with points scored across events and an overall series leaderboard.
July 2027
A summer aquathlon at The Wave, Littlehampton combining a 25m pool swim with a flat run course; options are 800m swim with 10k or 400m swim with 5k.
A multi-discipline event in Winchester with a 20 km bike, 2 km kayak and 5 km run, open to individuals or relay teams with standard and early bird fees.