The 24-year-old Austrian was playing in his first Grand Slam final, and although he pushed Nadal at times, he fell to an ultimately one-sided 6-4, 6-3, 6-2 defeat.
The score may have looked rather routine but there was some drama in the third set when Nadal called for the trainer at 2-1, 30-0.
There was late anxiety for Nadal as the predicted thunderstorms loomed and he needed his left forearm massaged after beginning to suffer from cramp.
The Spaniard also won the title without losing a set, becoming the third man to do so in the Open era after Ilie Nastase and Borg.
Earlier, Czech sixth seeds Barbora Krejcikova and Katerina Siniakova won the women's doubles final on Sunday, beating Japan's Eri Hozumi and Makoto Ninomiya 6-3 6-3 to claim their first grand slam title.
Wimbledon remains a target for the 32-year-old, however his camp will have seen the number of physical problems he's been forced to overcome over the course of the French Open.
"I am sure you will win here in the next couple of years", Nadal told Thiem afterward.
Nadal's celebration was restrained ― throwing his arms skywards and turning to his entourage including coach and fellow Mallorcan Carlos Moya and his uncle Toni who stood down a year ago when his nephew Nadal reached La Decima. After guzzling water during his visit from the doctor, Nadal was back to playing his unmistakable brand of almost unbeatable clay-court tennis.
That scenario loomed again with Nadal going to 2-0 in the second set on a fifth break point as Thiem fired another backhand wide.
Information from The Associated Press was used in this report.
Thiem is contesting his first Grand Slam final.
The channel's coverage of the French Open: Roland-Garros 2018 tournament is now on air, presented by John Inverdale.
Nadal then took the set 6-4 when Thiem hit a forehand long.
It was his most one-sided final win since allowing Federer just four games in the 2008 final.
This was Nadal's 11th win at the French Open, also known as Roland Garros.
Nadal was unrelenting against the Thiem serve, earning 17 break points and winning five as the Austrian sprayed 42 unforced errors during the match.
"And the strength that he has and the mentally, everything is ideal, works flawless for him playing in clay". He's won a record-setting 10 titles on the clay at Roland Garros and often finished off his final opponents in straight sets.
The deeper we get into Nadal's career, the more certain it seems that he's at worst the second-best men's tennis player in history.
"I mean, it's a big goal for me to play, soon, another Slam final", Thiem said.
As many fans had predicted and hope, Microsoft put a new Halo title on display at their E3 2018 press conference. Developer 343 Industries released the last entry in the series, Halo 5: Guardians , in 2015.
LeBron James hits free agency this summer, prompting one of the biggest decisions that will keep the sports world wondering. Houston had the best record in the 2017-2018 regular season and almost upset the Warriors in the Western Conference Finals.
The company said that users can download their chat history to their devices; this option will be available for the next 6 months. There has been a bit of restructuring going after after Verizon acquired Yahoo in 2016 .
The news comes after Activision revealed last month that Call of Duty Black Ops 4 will also have a Battle Royale mode . DICE said Battlefield 5 Battle Royale "will be unlike anything you've played before". "We enjoy it.
Liverpool was hoping to add Fekir to their off-season signings of Monaco midfielder Fabinho and RB Leipzig's Naby Keita. Olympique Lyonnais have put an end to negotiations with Liverpool for the proposed transfer of Nabil Fekir .
Vettel's best lap time of one minute 10.776 seconds bested the record of 1:11.459 set a year ago by Mercedes ace Lewis Hamilton . It is the Italian team's first time on pole in Montreal since seven-time champion Michael Schumacher managed it in 2001.
If successful, KFC is touted to be the very first among the big fast-food chains to offer faux chicken meat on its menu. The chain announces a plan to test the new recipe to its customers within this year.
In her role as Sylvia Trench, Gayson, who died on 8 June, helped to create one of cinema's most enduring catchphrases. She also starred in the 1958 Hammer horror classic The Revenge Of Frankenstein alongside the legendary Peter Cushing.
He also indicated that South Korea , China and Japan would be prepared to invest in the North to boost its besieged economy. At the same time, the United States president thinks that Kim Jong-un can make North Korea great.
Asked whether the trade restrictions threatened to hurt defense ties, Mattis said: "Right now I don't see that". French President Emmanuel Macron aims to set up a new French-led European "intervention force".
Ferrari's Kimi Raikkonen was 0.13 seconds slower, followed by Verstappen's Red Bull teammate and Monaco victor Daniel Ricciardo . It is hard to see anybody, even Valtteri Bottas in the same machinery, beating Hamilton. "The points are tomorrow".
Halep, the runner-up in 2014 and 2017, enjoyed a 6-1, 6-4 victory over 2016 champion and third seed Garbine Muguruza of Spain. It certainly isnt very easy to overcome being a set down in the final of a Grand Slam you've already lost a couple of times.
Del Potro came out swinging and the defending champion had to show great resistance to save three break points in the third game . Thiem sent Cecchinato scurrying around the court before breaking decisively for a 6-5 lead with a lovely forehand victor .
Iranian President Hassan Rouhani said that Tehran would not abandon the JCPOA and would continue to comply with its obligations. Putin said that Washington's decision to exit the agreement could "destabilise the situation" in the region.
Visitors are reminded to give animals space when they're near trails, boardwalks, parking lots, or in developed areas. Rangers said: "Animals in Yellowstone are wild and unpredictable, no matter how calm they appear to be".
While it might just be an oversight on his part , he did take the time to tweet out a congratulations to Doug Ford on his win. Some electors may be voting in a different location or electoral district for this election.
They say foreign forces are excluded from the cease-fire and Taliban operations would continue against them. The Afghan president's office welcomes Taliban's agreement to a ceasefire during Eid al-Fitr celebrations.
Opposition Labour lawmaker and pro-EU campaigner Chris Leslie said the situation would be laughable if it weren't so serious. Quitting the European Union without a deal would cost Britain £20 billion, the head of HM Revenue and Customs has warned.
According to police, "the suspect became angry and repeatedly punched the victim in his head and threw him on the ground". Police said they connected the earlier five crimes to the suspect while he was being held on the robbery charge.
He secured three takedown during the round and the tide seemingly began to turn. "He's been doing them since college". While he was able to hold the position for a while, the former lightweight champion worked his way back to the feet.
Seventy-five deaths have been confirmed so far, a toll that is expected to rise with at least 192 said to be missing. Rocca noted that ash had fallen across more than half of Guatemala, covering areas where agriculture is crucial.
Searing flows of ash mixed with water and debris gushed down the volcano's flanks, blocking roads and burning homes. Authorities closed the city's worldwide airport because of the danger posed by aircraft took to the air with ash.