Question: How many runners did the race attract in its second year in which the primary sponsor is a company ranked #69 in the most recent Fortune 500?

Context paragraphs:
Global Partners: Global Partners LP () is an American energy supply company ranked 146 in the 2014 Fortune 500.  The company is organized as a master limited partnership, and its operations focus on the importing of petroleum products and marketing them in North America.  It wholesales products like crude oil, diesel oil, gasoline, heating oil and kerosene.

St. Michaels Half Marathon: The St. Michaels Half Marathon is an annual half marathon road race.  The race is competed at the amateur level.  Although the event does not have a title sponsor, Nationwide is considered the primary sponsor.  The race is organized by the St. Michaels Running Festival, which also hosts a 10000 and 5000 m.  The Festival attracted over 1,500 runners in its opening year, and approximately 3,000 in its second edition.

Langdale Horseshoe: The Langdale Horseshoe is an annual Lake District fell race starting and finishing at the Old Dungeon Ghyll.  The course climbs to Stickle Tarn before heading to Thunacar Knott, Esk Hause shelter, Bowfell, Crinkle Crags and Pike of Blisco.  The route is approximately 21 km in length with 1450 m of ascent.  It includes much rough and rocky ground.  On the descent from Crinkle Crags, many runners negotiate the Bad Step, although it can be avoided depending on route choice.  The race often presents navigational difficulties, especially in poor visibility.

Team Menard: Team Menard was an auto racing team in the NASCAR Cup Series, Indianapolis 500 and Indy Racing League owned by John Menard, Jr. From 1991 to 1996 they modified their own Buick V6 engines for racing.  This combination won pole for the 500 with Scott Brayton in 1995 and 1996; Tony Stewart used this combination for the first part of his 1996-1997 IRL Championship.  With more stringent regulations, the team continued to shine winning the 1999 Championship with Greg Ray.  However, with the influx of former CART teams to the IRL in the early 2000s, Team Menard struggled to compete for wins and the team merged in 2004 with Panther Racing, although their car continued to carry Menard's colors and be driven first by Mark Taylor, who was then replaced by Townsend Bell.  In 2005, Menard's was an associate sponsor for another team and the former Menard No. 2 car driven by Tomáš Enge carried no identification to its Menard lineage.  For 2006, the No. 2 car was dropped by Panther and all vestiges of the once dominant Team Menard lineage disappeared until the spring of 2008 when Menards became a primary sponsor on the No. 20 Vision Racing Dallara driven by Ed Carpenter in the IndyCar Series.

Precision Castparts Corp.: Precision Castparts Corp. is an American industrial goods and metal fabrication company that manufactures investment castings, forged components, and airfoil castings for use in the aerospace, industrial gas turbine, and defense industries.  In 2009 it ranked 362nd on the Fortune 500 list, and 11th in the aerospace and defense industry.  In 2015 it ranked 322nd overall and 9th in the aerospace and defense industry.  In 2014 it ranked 133rd on the S&P 500 based on market capitalization.  In January 2016, the company became a subsidiary of Berkshire Hathaway.  Before that event, it used to be one of the three Fortune 500 companies headquartered in Oregon.

Shenhua Group: Shenhua Group Corporation Limited () is a leading state-owned mining and energy company in the People's Republic of China (PRC).  Shenhua Group was founded in October 1995 under the auspices of the State Council of the People's Republic of China.  It is the largest coal-producing company in China.  In 2014 Shenhua Group produced 437 million tonnes of coal and sold 588 million tonnes of coal.  In 2014, Shenhua Group’s revenue was 328.6 billion yuan (~US$53 billion), and the company ranked 196th in the Global Fortune 500.  The same year the Shenhua Group’s profit was 64 billion yuan (~US$10 billion).  On August 28 2017, SASAC announced that China Guodian Corporation and Shenhua Group will be jointly restructured.  Shenhua Group will become China Energy Investment Corporation and will absorb China Guodian Corporation.

Baystate Marathon: The Baystate Marathon is a marathon held in the city of Lowell, MA every October.  It was first run in 1990 and has been run every year since then.  The course is known as one of the flattest and fastest marathon courses in the northeastern United States.  The race runs along the Merrimack River and crosses different bridges spanning this river.  This fast course is often used by many runners to garner a qualifying time for the Boston Marathon.  During the day of the race, there is also a half marathon, The Lowell Sun Half Marathon, in Lowell.

Nationwide Mutual Insurance Company: Nationwide Mutual Insurance Company and affiliated companies is a group of large U.S. insurance and financial services companies based in Columbus, OH.  The company also operates regional headquarters in Des Moines, IA; San Antonio, TX; Gainesville, FL; Raleigh, NC; and Westerville, OH.  Nationwide currently has approximately 31,000 employees, and is ranked #69 in the most recent Fortune 500.  Nationwide is currently ranked #71 in Fortune's "100 Best Companies to Work For".

Lithia Motors: Lithia Motors, Inc. is an American nationwide automotive retailer headquartered in Medford, Oregon.  It is the fourth largest automotive retailer in the United States.  In 2015, Lithia Motors broke into the Fortune 500 list at #482, making it one of only three Oregon-based companies in the Fortune 500.  This followed a year that saw the acquisition of the DCH Auto Group, one of the 10 largest dealer groups in the country, with 27 dealerships, before being purchased by Lithia Motors.  In 2016, Lithia climbed to #346 and that same year made the Fortune 500 List of Top Ten Companies with the biggest Jump in rank on the Fortune 500.  Today, Lithia is ranked #318 on the Fortune 500.  Lithia employs more than 11,100 people in stores across the nation including Alaska and Hawaii.  Lithia operates 160 stores in 18 states.

Humana: Humana Inc. is a for-profit American health insurance company based in Louisville, Kentucky.  s of 2014 Humana has had over 13 million customers in the U.S., reported a 2013 revenue of US$41.3 billion, and has had 51,600 employees.  In 2013, the company ranked 73 on the Fortune 500 list, which made it the highest ranked (by revenues) company based in Kentucky.  It has been the third largest health insurance in the nation.

Supporting paragraphs: St. Michaels Half Marathon Nationwide Mutual Insurance Company
Answer: approximately 3,000