The Stinger Duathlon

DEC
28
2025
Tackle a punchy trail duathlon at Newnham Park on 28 December 2025, blending technical trail runs with a challenging mountain bike leg. Enter solo or as a two person team for an adrenaline packed end of year test.
Sun 28 Dec 2025
3.5km Run 5km Run 20km Mountain Bike

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The Stinger Duathlon

The Stinger Duathlon is scheduled for 28 December 2025 at Newnham Park, Plympton, Plymouth, GB. The event combines trail running and mountain biking with technical sections on both the bike and final run. Distances are approximate and listed as:

  • 5 km run
  • 20 km mountain bike
  • 3.5 km run

Entry is possible as a solo competitor or as a pair where one person completes the bike leg and the other completes the runs. Minimum age is 13 years. No e-bikes are allowed and gravel bikes are not considered appropriate for the course. Trail shoes and a mountain bike are required.

Format, equipment and categories

Participants receive a number board for the bike and a paper number for the runner; the paper number must be attached to the front of the runner. Solo competitors enter transition after the first run lap and must put on a helmet before handling the bike. Competitors are advised to keep belongings in a box, bucket or large bag in transition. Starts may be mass start or wave start depending on entry numbers.

Prizes are planned by age and category. Solo categories include 13-15, 16-29, 30-49 and 50+ with separate open and female awards. Pair categories include open, female and mixed. Parking and toilets are available at the main event field. Visit the organization's website for the most recent information.

5 km
5km Run
3.5km Run
20km Mountain Bike