to the credit facility were $12,494,000 at June 30, 2021. We expect to be in compliance with the financial covenants, and all other covenants, for all measurement periods during the next twelve months.
On August 17, 2017, we entered into an agreement with an entity owned by Panattoni Development Company (the “buyer”) relative to the sale of approximately 147 acres of land at our Nashville facility at a purchase price of $35,000 per acre. On March 2, 2018, we closed on the sale of the property with proceeds, less closing costs, of $4,945,000. Net proceeds after taxes were approximately $4,150,000 resulting in a gain of $2,512,000. On September 1, 2017, we also awarded to the buyer a three year option for approximately 88 additional acres at a purchase price of $55,000 per acre. That option agreement has been amended twice since: first, on February 9, 2018, to extend its term and to add additional acreage; and second, on June 25, 2019, in connection with the buyer’s exercise of its option on two parcels, we adjusted the acreage and further extended the term of the option on a third parcel. The buyer paid to us $500,000 for the extension of this option until March 1, 2022, and this non-refundable payment would be credited to the purchase price at the closing of that option parcel. On July 26, 2019, the buyer closed on the sale of the first two parcels, comprising approximately 133 acres, which yielded to us proceeds, less closing costs, of $6,397,000. Net proceeds after taxes were approximately $5,314,000 resulting in a gain of $4,186,000. On July 29, 2020, the buyer closed on the sale of the third parcel of approximately 97 acres at our Nashville property. Proceeds from the sale, less closing costs, were $6,460,000. Net proceeds after taxes were approximately $5,290,000 resulting in a gain of $4,843,000. The buyer’s deposit previously paid to us was credited to the purchase price. On November 5, 2020, we entered into an agreement to sell an additional 350 acres of land at our Nashville facility for $14,355,000. The buyer paid us a $500,000 non-refundable deposit which would be credited to the purchase price at the closing of the sale of that parcel. On May 26, 2021, we closed on the sale with proceeds, less closing costs, of $14,326,000. Net proceeds after taxes were approximately $12,000,000 resulting in a gain of $8,510,000. The buyer’s deposit previously paid to us was credited to the purchase price. At December 31, 2020, the carrying value of that land is classified as assets held for sale in our consolidated balance sheet. The remaining Nashville Superspeedway property consists of approximately 650 acres. None of the acreage sold extends to the land on which our superspeedway is sited.
We promoted six events in the second quarter of 2021, three each at our Dover and Nashville facilities, and expect to host the Firefly Music Festival in September 2021. On April 15, 2021, the State of Delaware advised us that our Dover NASCAR events were able to proceed with up to 20,000 fans in attendance. The state of Tennessee did not place any restrictions on our fan attendance. We promoted six racing events in 2020 (five national series events and one regional series event), all of which were sanctioned by NASCAR and held at our Dover International Speedway facility. Due to the effects of the pandemic, the six 2020 races were all held on one weekend in August without fans in attendance.
We had not promoted a major motorsports event at our Nashville Superspeedway since 2011. On June 3, 2020, we announced that we would be moving one of our NASCAR Cup Series events historically held at Dover International Speedway to Nashville Superspeedway beginning in 2021. We entered into a four-year sanction agreement to promote a NASCAR Cup Series event in Nashville for the 2021 to 2024 racing seasons and held the inaugural event in June 2021. We also entered into a one-year sanction agreement to promote a NASCAR Cup Series event at Dover International Speedway for the 2021 season, which was held in May 2021.
Broadcasting revenues continue to be a significant long-term revenue source for our business. Management believes this long-term contracted revenue helps stabilize our financial strength, earnings and cash flows. Also, NASCAR ratings can impact attendance at our events and sponsorship opportunities. A substantial portion of our profits in recent years has resulted from television revenues received from NASCAR under its agreements with various television networks, which is expected to continue for the foreseeable future. Our share of these television broadcast revenues and purse and sanction fees are fixed under our NASCAR sanction agreements through the year 2021 for our Dover facility and through 2024 for our Nashville facility. We are obligated to conduct events in the manner stipulated under the terms and conditions of these sanction agreements.
NASCAR is operating under a ten-year, multi-platform agreement with FOX Sports Media Group (“FOX”) for the broadcasting and digital rights to 16 NASCAR Cup Series races, 14 Xfinity Series races and the entire Gander RV & Outdoors Truck Series (along with practice and qualifying) from 2015 through 2024. The agreement includes “TV Everywhere” rights that allow live-streaming of all FOX races, before and after race coverage, in-progress and finished race highlights, and replays of FOX-televised races to a Fox Sports-affiliated website which began in 2013. The agreement also allows the re-telecasting of races on a FOX network and via video-on-demand for 24 hours and other ancillary programming, including a nightly NASCAR news and information show and weekend at-track shows. NASCAR and FOX Deportes, the number one US Latino sports network, have teamed up to provide our sport’s most expansive Spanish-language broadcast offering ever with coverage of 15 NASCAR Cup Series races which started in 2013.
NASCAR also operates under a ten-year comprehensive agreement with NBC Sports Group granting NBCUniversal (“NBC”) exclusive rights to 20 NASCAR Cup Series races, 19 NASCAR Xfinity Series events, select NASCAR Regional & Touring Series events and other live content which began in 2015. Further, NBC has been granted Spanish-language rights, certain video-on-demand rights and exclusive ‘TV Everywhere’ rights for its NASCAR Cup Series and NASCAR Xfinity Series events.