Question: How many miles is the running event held every Saturday morning in fifteen countries across five continents?

full_context: Document 1: 400 metres: The 400 metres, or 400 metre dash, is a common sprinting event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the entire course. In many countries, athletes previously competed in the 440 yard dash (402.336 m)—which is a quarter of a mile and was referred to as the 'quarter-mile'—instead of the 400 m (437.445 yards), though this distance is now obsolete. An athlete who competes in the 400 m may still be referred to as 'quarter-miler'; the distance or event might still be called the "quarter."
Document 2: 3000 metres steeplechase: The 3000 metres steeplechase or 3000-meter steeplechase is the most common distance for the steeplechase in track and field. It is an obstacle race over the distance of the 3000 metres, which derives its name from the horse racing steeplechase.
Document 3: Road running: Road running is the sport of running on a measured course over an established road (as opposed to track and field and cross country running).
Document 4: König Ludwig Lauf: König Ludwig Lauf is a long distance cross-country ski race, that takes places in Germany, and is part of the international long distance cup Ski Classics and the Worldloppet series. The race is over distances of 50 km and 23 km in both classical and free technique.
Document 5: Run London: Run London (2001- 2009) is an annual 10 km run (or series of runs), organised by Nike and held within London, UK. The events are unique in having different themes and marketing campaigns each year.
Document 6: Trail running: Trail running is a sport which consists of running and hiking over trails. In the United Kingdom and Ireland it is also called mountain or fell running although the two types do differ. It differs from road running and track running in that it generally takes place on hiking trails, often in mountainous terrain, where there can be much larger ascents and descents. It is difficult to definitively distinguish trail running from cross country running. In general, however, cross country is an IAAF governed discipline that is typically raced over shorter distances (rarely over 12 kilometers), whereas trail running is loosely governed, and run over longer routes.
Document 7: 5K run: The 5K run is a long-distance road running competition over a distance of five kilometres (3.1 miles). Also referred to as the 5K road race, 5 km, or simply 5K, it is the shortest of the most common road running distances. It is usually distinguished from the 5000 metres track running event by stating the distance in kilometres, rather than metres.
Document 8: Midnight Sun Run: The "Fairbanks Daily News-Miner" Midnight Sun Run is a ten kilometer road running event, held annually since 1983 in Fairbanks, Alaska, that attracts participants from across the United States and Canada. The race takes place on the third Saturday of June each year, starting at 10 pm with the boom of a cannon that can be heard throughout Fairbanks. Despite its late evening start, there is no need for streetlights or flashlights, as the summer solstice sun shines brightly from start to finish and beyond. Proceeds from the race benefit United Way of the Tanana Valley and local student athletes through scholarships. In recent years the race has attracted over 3,000 participants, due in part to its special feature of running in the daylight of the midnight sun.
Document 9: Spartan Race: Spartan Race is a series of obstacle races of varying distance and difficulty ranging from 3 miles to marathon distances. They are held in US and have been franchised to 14 countries including Canada, South Korea, Australia and several European countries. The series include the Spartan Sprint, the Super Spartan, the Spartan Beast, and the Ultra Beast. Spartan Race also has a military series, hosted on military bases. There are also winter and team events.
Document 10: Middle-distance running: Middle-distance running events are track races longer than sprints, up to 3000 metres. The standard middle distances are the 800 metres, 1500 metres and mile run, although the 3000 metres may also be classified as a middle-distance event. The 1500 m came about as a result of running three and 3/4 laps of a 400 m outdoor track or 7 and a half laps of a 200m indoor track, which were commonplace in continental Europe in the 20th century.
Document 11: Parkrun: Parkrun (styled as parkrun) is the name given to a collection of five-kilometre running events that take place every Saturday morning in fifteen countries across five continents. Each Parkrun territory has its own sponsors. Events are run by volunteers, and participation is free of charge.
Document 12: Knee Knackering North Shore Trail Run: The Knee Knackering North Shore Trail Run, also known as the Knee Knacker, was established in 1989 and is a 50 km ultramarathon trail run in that takes place in British Columbia, in the Greater Vancouver area on the second Saturday of July each year. Due to a municipality's environmental concerns, the field is limited to 200 runners. Because of the race's popularity, the entrants are selected by lottery. The route, comprising about 2,600 m of vertical climb and descent, generally follows the Baden-Powell Trail, and traverses the North Shore Mountains from Horseshoe Bay to Deep Cove.
Document 13: Criterium: A criterium, or crit, is a bike race consisting of several laps around a closed circuit, the length of each lap or circuit ranging from about 500 m to 1000 m.
Document 14: The Great Run Company: The Great Run Company is a United Kingdom events company specialising in the development, design, organisation and rights management of mass participation and televised sporting events. They most notably organise the Great North Run, Great South Run and Great Manchester Run annually. They are formerly known as Nova International.
Document 15: Color Manila Run: Color Manila Run is a sports event series that specialised in concept-type of sporting events. The company is owned and operated by ColorManila Events, Inc., a for-profit company. It events started in Metro Manila, Philippines and as its popularity grew, it started mounting provincial events in other parts of the country . The main goal of the event is to remove the intimidation factor that comes in any mass participation sports event, they have removed timing in all their races, added five to six color stations along the race route- wherein every participant who crosses will be showered with color powder and everyone who are able to finish the race are given a finisher medal and a color packet. The color packet is part of the celebration activity that happens at the main village wherein everyone will throw their color packets in the air and start to party.
ground_truth: 3.1 miles