After 21 races and 210 laps of racing Friday, the rain that had held off all evening finally fell on the Humboldt Speedway and forced the postponement of the final 10-lap qualifying heat at King of America VII Modified Nationals presented by Summit Racing until Saturday. …

Mitch Keeter recorded his first ever USMTS victory Thursday against what may have been the strongest field of competitors he’s ever been a part of on opening night of the King of America VII Modified Nationals presented by Summit Racing. …

The King of America VII Modified Nationals presented by Summit Racing happens March 23-25 as the nation’s Best of the Best dirt modified drivers invade the Humboldt Speedway. …

Pre-entered USMTS drivers as of March 21 for the King of America VII Modified Nationals presented by Summit Racing at the Humboldt Speedway in Humboldt, Kan., Thursday-Saturday, March 23-25. …

Officials with United States Modified Touring Series are pleased to announce that Fast Shafts is back on board in 2017 as the Official Driveshaft of the USMTS. …

It’s not too late to order your reserved seat tickets for this year’s King of America VII Modified Nationals presented by Summit Racing. …

All USMTS Modified drivers who have their entry submitted by FRIDAY, MARCH 17, will be entered for a provisional lottery draw into the King of America VII championship race. …

Rodney Sanders reeled in his first win of the season with a dominating wire-to-wire effort on the final day of the 5th Annual Production Jars Sooner Showdown Saturday at the Southern Oklahoma Speedway. …

Johnny Scott’s winning move Friday likely came on the first lap of the race as he cruised to his second victory of the season on night two of the 5th Annual Sooner Showdown presented by Production Jars. …

The USMTS rolled into the Southern Oklahoma Speedway Thursday for the opening night of the 5th Annual Sooner Showdown, and Ricky Thornton Jr. walked out with his third win of the season. …