Name: GO Battle Thursday
Start: 2026-10-01T00:00
End: 2026-10-01T23:59

What GO Battle Thursday gives

Up to 4× Stardust from win rewards. (This does not include end-of-set rewards.)
The maximum number of sets you can play per day will increase from five to 10—for a total of 50 battles.

Listed under “Daily Discoveries: GO Battle Thursday” in GO Battle League: Twilight Trails Update, August 31, 2026.

Listed. Scopely's own events calendar carries this with these dates. Nothing here is predicted.

Source: the Pokémon GO events calendar, under GO Battle Thursday, read October 2, 2026.

The events calendar lists it as: “Thu, Oct 1 · 12:00 AM - 11:59 PM”