Chronopin: upcoming release dates, events and other important dates

The 50th Paris Marathon is on Sunday 4 April 2027 under a new name and organiser, with places drawn by lottery after registration ran from 8 to 30 September 2026.

The championship game of the 88th NCAA Division I men's basketball tournament is played at Ford Field in Detroit, ending a tournament that begins on 16 March and is expanded to 76 teams.

Watches and Wonders Geneva announced its 2027 edition will run 5 to 11 April at Palexpo, adding new exhibitors Breitling, Gallet, Universal Genève and the Italian jeweller Damiani.

The week-long fly-in and airshow returns to Lakeland Linder International Airport for six days in April.

The second VANSZA drop introduces SZA's split-toe LX Tabi Hiker in three colorways with cable laces and a rugged low outsole, alongside a camo LX Knu Skool.

Coachella's 2027 edition runs over two weekends, 9-11 and 16-18 April, at the Empire Polo Club in Indio, California, with advance passes sold before any artist was announced.

Gambians elect the 53 constituency seats of the National Assembly on 10 April 2027, a date announced by the Independent Electoral Commission.

Suzuka is the only figure-of-eight layout in Formula 1, its back straight crossing over the first sector on a bridge.

The 59th Vinitaly, Italy's international wine and spirits exhibition, runs from 11 to 14 April 2027 at Veronafiere in Verona, after the 2026 edition drew 90,000 attendees from 135 countries and 4,000 exhibiting companies.

Google's annual cloud conference returns to the Mandalay Bay Convention Center on 13-15 April 2027, with select programming on 12 April; Next '26 drew more than 32,000 people to the same venue.

Bruno Mars returns to Singapore's National Stadium for four nights, opening The Romantic Tour's 2027 Southeast Asia run with Anderson .Paak as DJ Pee .Wee.

IndyCar, IMSA sports cars and four more series race the streets of downtown Long Beach over a three-day festival that draws about 190,000 fans.

Emmanuel Macron's second term ends on May 13, 2027; the government has set the first round for Sunday, April 18 and the runoff for May 2. On 20 September 2026 Polymarket's 128-name market had Marine Le Pen at 37%, Edouard Philippe at 25% and Jean-Luc Melenchon at 13%.

Finns elect the 200 members of the Eduskunta on 18 April 2027, the first parliamentary election since Finland joined NATO in 2023.

About 30,000 runners are due to race from Hopkinton to Boylston Street on Monday 19 April 2027, after a record 33,656 qualifiers applied for places. It is the first Boston Marathon with a random draw for about 1,000 qualifiers who miss the cut-off time.

The Union des Grands Crus de Bordeaux holds En Primeurs Week from 19 to 22 April 2027, when the Bordeaux châteaux show barrel samples of the 2026 vintage to the trade and press before it is sold as futures.

AstraZeneca's phase 3 trial of Camizestrant in breast cancer, early breast cancer reaches primary completion, the point at which the last participant's primary outcome is measured. The trial enrolled 4,300 participants. This is a Phase III open-label study to assess if camizestrant improves outcomes compared to standard endocrine therapy in patients with ER+/HER2 - early breast cancer with intermediate or high risk for disease recurrence who completed definitive locoregional therapy (with or without chemotherapy) and standard adjuvant endocrine therapy (ET) for at least 2 years and up to 5 years. The planned duration of treatment in either arm of the study is 60 months.

The world's largest seafood trade show returns to Fira de Barcelona's Gran Via venue for three days after a record 2026 edition with more than 35,500 visitors.

The Boston edition of PAX brings four days of video, tabletop and arcade gaming, panels, concerts and an expo hall.

China's oldest auto exhibition runs ten days at the National Exhibition and Convention Center, with a new embodied-AI zone.

PAHO and every country and territory in the Americas mark their 25th Vaccination Week at the end of April 2027, the yearly push to catch up children and adults on vaccines as measles spreads across the region.

The TCS London Marathon runs over two days, Saturday 24 and Sunday 25 April 2027, from Blackheath to The Mall, with time-qualifier entries opening in October 2026.