Section 3: Playing Area
3.1 Sprint Course
A purpose-built regatta course on calm, flat water. Specifications:
- Distances: 200 m (sprint), 500 m, and 1000 m. The 200 m course uses the final 200 m of the 1000 m course, with a separate start area.
- Lanes: 9 racing lanes, each 9 m (29.5 ft) wide. Lane markers (buoys) spaced at 10 m intervals along the course. Lanes are numbered 1–9 from the nearest shore outward.
- Water depth: Minimum 3 m (9.8 ft) across the entire course to prevent wave reflection from the bottom affecting boat speed
- Start system: Mechanical alignment system holds the sterns of all boats until the start signal. Boats are aligned flush at the stern, not the bow, to prevent advantage from boat length differences.
- Finish: Photo finish system with cameras aligned perpendicular to the finish line. Transponder timing records to 1/1000th of a second. The bow of the boat must cross the finish line.
- Wind protection: Venues are ideally sheltered from cross-winds that create unequal conditions across lanes. Wave-damping systems may be used.
3.2 Slalom Course
- Length: 200–400 m (656–1,312 ft) of whitewater channel
- Water: Artificial (pump-recirculated) or natural river. Artificial channels allow consistent, repeatable water conditions for fair competition. Water flow rate typically 10–15 m³/s.
- Gates: 18–25 gates suspended from overhead wires by adjustable cords. Each gate consists of two poles hanging 15–25 cm (6–10 in) above the water surface, set 1.2 m (3.9 ft) minimum apart.
- Gate colors: Green/white striped poles indicate downstream gates (paddled in the direction of water flow). Red/white striped poles indicate upstream gates (paddled against the flow). Minimum 6 upstream gates on the course.
- Gate numbering: Gates are numbered sequentially and must be negotiated in order. Gate numbers are displayed on boards above each gate.
- Course features: Eddies (calm water behind obstacles), waves, holes (recirculating hydraulics), drops, and current differentials. Course designers use movable obstacles or adjustable water flow to create challenging features.
3.3 Kayak Cross Course
- Length: Approximately 250–350 m modified slalom course
- Start ramp: Elevated platform where 4 athletes launch simultaneously on the start signal, sliding down a ramp into the water
- Eskimo roll gate: A mandatory section where athletes must capsize and perform an Eskimo roll (self-righting maneuver) before continuing. A cross-beam is positioned above the water to force submersion.
- Gates: Fewer gates than traditional slalom (typically 6–12), positioned to create a racing line with multiple possible routes
- Contact zone: Designated sections where incidental boat-to-boat contact is expected and permitted. Deliberate obstruction remains prohibited.