The 26-year-old Kenyan was far behind her world record of 2:14:04 that she set in Chicago last year, but met no challenge after 30 kilometers.
"We met some difficulties after our key players' departure," Dongguan coach Lin Yaosen admitted.
With the result, Dortmund now sits third in the table, whereas Freiburg suffered its first defeat and slipped to the 11th spot.
Guo Zixuan, who had joined Hebei from Shanxi during the offseason, finished with a game-high 26 points. Zhang Yaqi and Chen Jinting bagged 17 and 14 points respectively.
They call him El Maestro, and for good reason. Oscar Tabarez, a former school teacher, has been a coach, educator, mentor, strategist and father figure to generations of Uruguayan players since taking charge of the national team for the first time in 1988.
Wolves also claimed three points thanks to Pedro Neto's 56th minute goal at home against a Fulham side still looking for its first point since returning to the top-flight.
Dongguan started the last quarter with Shen bagging five straight points, followed by Zhang Dongxia's shot from the 3-pointer zone. Powered by Dilana and Shen, Dongguan built an eight-point lead with 1:39 on the clock, and their win was assured by Wang Zhen's three-pointer with 39 seconds remaining.
"I can't get to sleep last night because I was so excited," The 43-year-old swimming fanatic said. "And I was not the only one - every one of our online group was awake late at night, cheering each other up for today's event."
Eibar won for the first time this season as Kevin Rodrigues' 91st minute goal gave them a 2-1 triumph away to Valladolid in Saturday's early kick off.
Rennes had the chance to win all three points in stoppage time but Steven Nzonzi's header hit the post.
"I got a bit emotional last two points of my match. I really started to think still about the match because in tennis we really never know when it's the end. But my memories, happy memories, when I made my comeback here in 2017, when I step on the Philippe Chatrier, I couldn't really imagine me to be in the quarterfinal of this slam. Everything just came back to me," said Kvitova, who was attacked by a break-in knife-wielding robber at her home in the Czech Republic during the off-season of 2016, leaving her dominant left hand seriously injured. It was at Roland Garros that the two-time Grand Slam champion made her comeback.