ROCK IN JAPAN FESTIVAL 2026: 5 Days in September at Chiba's Soga Sports Park

Article

One of Japan's biggest rock festivals has confirmed its full 2026 schedule — five days across two weekends in Chiba.

Dates and Venue

ROCK IN JAPAN FESTIVAL 2026 runs September 12-13 and September 19-21, 2026, at Soga Sports Park in Chiba City. Gates open at 8:30, with performances running 11:45 to approximately 20:15 each day.

Lineup

The official timetable is already live, with more than 100 artists confirmed across the five days, spanning Japan's rock and alternative music scene.

What To Know

This is one of Japan's true flagship rock festivals, and having the full 5-day, two-weekend structure and timetable confirmed this far out gives international fans real lead time to plan a trip specifically around it — a genuinely different kind of Japan Culture event from TBM's usual anime/idol coverage, appealing to fans whose interest in Japan includes its rock and alternative music scene.

Splitting a single festival across two non-consecutive weekends (rather than one continuous multi-day run) is a format choice some of Japan's largest outdoor festivals use to manage venue logistics and audience flow — worth knowing if you're only free for one of the two weekends, since the lineup is typically spread across both rather than repeated.

What Fans Are Saying

• "Two weekends means more chances to catch it if one doesn't work."
• "100+ artists is a huge lineup."
• "Already planning a September Chiba trip around this."

Original Japanese

• 「2週に分かれているので、都合が悪くてもチャンスがある」
• 「100組以上は本当にすごいラインナップ」
• 「もう9月の千葉旅行を計画しています」

Easy Japanese

「ROCK IN JAPAN FESTIVAL 2026」が、9月に千葉県の蘇我スポーツ公園で5日間開催されます。100組以上のアーティストが出演します。