Pebble Beach 5K Challenge

Pebble Beach 5K Challenge

Workout - Pebble Beach 5K Challenge

  • 10min @ 7'00''/km
  • 5.0km @ 5'40''/km
  • 8min @ 9'00''/km
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Intro: based on I tried a 5K on pebbles (Seaton parkrun, Christmas Day) from JOG ON with Harry Morgan. Here’s what makes running on a pebble beach different. The video’s worth watching, but we’ve pulled the takeaways so you can test a pebble-beach 5K yourself.

Key points:

  • Pebble surfaces change how your foot lands, how stable you feel, and how much energy you burn. Very different from roads or synthetic tracks.
  • Beach running slows you down. Harry aimed for sub-20 minutes, but the target was ambitious on soft ground.
  • This 5K mixes road sections, a concrete hill, and two shorter stretches of pebbles that feel like running through thick sand.
  • Good shoes with ankle support and a shorter, quicker stride matter on uneven surfaces.

Workout example:

  • Warm up 5-10 minutes on solid ground.
  • Cover the 5 km route (roughly 2 km on road, 500 m concrete hill, 1 km pebble beach, 500 m back to pavement, pebbles to the finish).
  • Target a 20-minute finish. Plan for a 10-15% slower pace than road running.
  • 5-minute cool-down with an easy jog on firm terrain.

Closing note: try a pebble-beach 5K this winter. Use the Pacing app to adjust for the rougher surface.

References

Inspired by JOG ON with Harry Morgan

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