The Challenges of Equestrian Arena Surfaces: The Unprecedented Use of a Raised Platform at the 2012 Olympic Games.
Authors: Northrop Alison J, Martin Jaime H, Peterson Michael L, Roepstorff Lars, Hernlund Elin, Hobbs Sarah Jane
Journal: Journal of equine veterinary science
Summary
# Editorial Summary Temporary equestrian arenas present unique engineering challenges, particularly when constructed on raised platforms rather than solid ground—as exemplified by the unprecedented structure built for the 2012 Olympic Games in London. Researchers tracked surface biomechanical properties across three assessment phases (2011 test event, developmental mock-up, and final 2012 venue) using impact hammer testing and an Orono Biomechanical Surface Tester to measure peak vertical deceleration, peak load, and loading rate, comparing findings against established baseline data from conventional arena surfaces. Initial testing revealed significantly elevated peak vertical deceleration and peak load, alongside abnormally low loading rates, but iterative modifications to surface composition, drainage management, and construction methods successfully brought all measured parameters into alignment with solid-ground reference values by the Olympic event. The findings underscore that surface heterogeneity within a single arena can substantially affect shock absorption and force transmission—critical factors influencing both performance and injury risk—and that these properties shift measurably over time as new surfaces settle and weather. For practitioners specifying temporary surfaces or evaluating existing arenas, this research provides compelling evidence that commissioning biomechanical testing during installation and remedial phases is essential to ensuring horses experience consistent, safe footing.
Read the full abstract on PubMed
Practical Takeaways
- •Temporary and raised platform arena surfaces require rigorous biomechanical testing throughout their development to ensure they provide similar loading characteristics to conventional solid-ground arenas
- •Surface properties change over time and with environmental factors (water management, wear); regular reassessment is critical for horse welfare and consistent competition conditions
- •If considering temporary or alternative arena construction, plan for an extended testing and modification period before competition use to identify and address problematic force transmission patterns
Key Findings
- •Peak vertical deceleration and peak load were significantly higher (P < 0.0001) on the raised platform arena before modifications, but became comparable to solid ground surfaces after iterative testing and adjustments
- •Peak loading rate was significantly lower (P < 0.0001) on the initial raised platform design compared to solid ground surfaces
- •Surface composition, time elapsed since installation, water management, and construction type significantly influenced surface functional properties as measured by biomechanical testing