Nov 7, 2014 - The 3 different types of competitive swimming pools explained. Mar 31, 2012 - While it would be nice if that new pool was 25 yards times 25 meters or, of water (compared to say 20-30,000 gallons in a modern city pool). Lap pools are typically narrow but require a sizeable yard. Some are as long as an Olympic pool (25 meters) and are meant for training or exercise. Recreational . Once the pool and patio are placed in the yard, be sure you have enough space for other items you'd like to have in your yard, such as a jungle gym or . Sep 1, 2016 - Here's how to turn a day at the pool into a satisfying workout. . Intervals work well because pools are short (compared to the miles of road that a . cover eight lengths of a 50-meter pool, or sixteen lengths of a 25-yard pool. Jul 2, 2011 - In part, an in-ground swimming pool's cost is based on its size, . Twenty-five-yard long DIY block swimming pools are much larger than . Top 10 tips for building a DIY natural pool – by Professional Pool Builders . Pond Club opening over the bank holiday and the M&G garden at The RHS . only is mains usually on a meter but you will probably need to treat it before use too. Though fairly common in Europe, natural swimming pools (like the one pictured above in an Austrian family's backyard), are in their infancy in the United States.