Sandra Brown (ultradistance athlete) Sandra Brown (ultradistance athlete) Sandra Brown (born 1 April 1949) is a British ultra distance walker / runner who holds a number of world records in the field of long distance walking. After a childhood which included many long family walks 'off the beaten track', Brown completed her first formal marathon in 1982 in Winchester, at age 33 years. That same year saw her enter her first 'ultra' (a race of a distance beyond the marathon's 26 miles 385 yards) with the 100 km Surrey Summits in April and a Long Distance Walkers Association (LDWA) crosscountry 100 mile event along
Half marathon Half marathon A half marathon is a road running event of 21.0975 km (13 mi 192½ yd)—half the distance of a marathon. It is common for a half marathon event to be held concurrently with a marathon, using almost the same course with a late start, an early finish or shortcuts. If finisher medals are awarded, the medal or ribbon may differ from those for the full marathon. The half marathon is also known as a 21K, 21.1K or 13.1 miles, although these values are rounded and not formally correct. A half marathon world record is officially recognised by the