Athletes can integrate cross-training into their routine by scheduling regular sessions alongside their sport-specific training. It's essential to choose activities that complement and support their primary sport while providing variety and enjoyment. For example, runners may benefit from cycling to build cardiovascular fitness without the impact stress on joints, while swimmers could incorporate strength training to improve muscle balance and power. It's crucial to listen to your body, avoid overtraining, and adjust your cross-training activities based on your goals and individual needs.