TTRPG DATA REPORT
How Long Is a D&D Session?
The median timed TTRPG session in Archivist’s dataset ran 2 hours 53 minutes. Here is the complete distribution behind that three-hour benchmark.
Published September 10, 2026 · 7 min read
By Greg H. & Greg W., co-founders of Archivist
← Back to GM GuidesThe Short Answer
A typical D&D session lasts about three hours. Across 16,000 timed sessions in Archivist’s broader TTRPG dataset, the median was 2 hr 53 min and the mean was 3 hr 0 min. 74.9% of sessions lasted between two and four hours.
This is a cross-system TTRPG result, not a D&D-only estimate. At the same snapshot, 74.1% of active campaigns were explicitly tagged D&D 5e or D&D 2024.
D&D Session Length Distribution
The three-hour answer describes the center, not a hard limit. The most common half-hour band was 2 hours 30 minutes, containing 30.0% of timed sessions. Another 20.4% landed in the 3-hour band. Only 10.5% lasted four hours or more.
SESSION DURATION BY HALF-HOUR BAND
16,000 transcript-timed sessions, from a database snapshot taken September 9, 2026. Each band starts at the label shown and runs to the next label.
Percentages are rounded to one decimal place and may not sum to exactly 100%.
| Duration | Share of sessions |
|---|---|
| Under 2 hours | 14.5% |
| 2 to 3 hours | 43.7% |
| 3 to 4 hours | 31.2% |
| 4 hours or more | 10.5% |
Discord vs. Uploaded Audio
Recording format barely moved the midpoint. Discord-captured sessions had a median duration of 2 hr 52 min. Uploaded recordings had a median of 2 hr 55 min, a three-minute difference.
This is not an online-versus-in-person comparison. An uploaded recording can come from either kind of table, so capture format should not be treated as play format.
How Much Time Should You Schedule?
Use three hours as the play window. If your group needs time to arrive, connect, recap the previous session, take a break, and wrap up, reserve 3.5 to 4 hours on the calendar. For a weeknight game, a two-hour session is common enough to be realistic: 14.5% ran under two hours, and another 43.7% landed between two and three.
Planning note: the 3.5-to-4-hour calendar block is an editorial recommendation. Archivist measured elapsed session duration, not travel, setup, or post-game conversation.
How Archivist Measured Session Length
Session duration is the elapsed time from the first spoken transcript timestamp to the last. The analysis included active, non-archived campaigns with at least one logged session and a processed transcript with reliable timing. It measured 48,000 total hours across 16,000 sessions.
Included
- Processed sessions with reliable first and last spoken timestamps
- Discord voice captures and uploaded recordings
- Active campaigns across the TTRPG systems represented in Archivist
Excluded
- Notes-only sessions without transcript timestamps
- Sessions that had not completed the required analysis
- Archived campaigns and records without dependable timing
The source archive contained 25,000+ captured sessions at the snapshot. The smaller 16,000-session denominator is the population that met the duration-analysis requirements, not the entire archive.
Limitations
- This is a self-selected sample. Archivist users are not a random census of all D&D or TTRPG tables.
- The duration result spans systems. D&D 5e and D&D 2024 together represented 74.1% of active campaigns, but the timing population also contains other games.
- It measures elapsed span. A break between the first and last spoken lines remains inside the session duration. This is not active speaking time.
- The data is historical. Every figure comes from one anonymized database snapshot taken September 9, 2026. Individual campaigns and users are never shared or attributed.
For the complete research context, including campaign length, party size, system mix, and other definitions, read The Data Behind D&D.
Questions About D&D Session Length
How long is a typical D&D session?
About three hours is a practical benchmark. Across 16,000 timed TTRPG sessions, the median was 2 hours 53 minutes and the mean was 3 hours. The dataset spans game systems, so this is not a D&D-only estimate.
How much time should I schedule for a D&D session?
Plan a three-hour play window and reserve another 30 to 60 minutes for arrival, setup, breaks, and wrap-up. That scheduling buffer is practical advice, not a statistic measured in this dataset.
Are online D&D sessions shorter than in-person sessions?
This dataset cannot answer online versus in-person directly. Discord-captured sessions had a median of 2 hours 52 minutes, while uploaded audio had a median of 2 hours 55 minutes, but uploaded recordings can come from either online or in-person play.
Why were only 16,000 of the 25,000+ captured sessions timed?
Duration requires a transcript with reliable first and last spoken timestamps. Notes-only sessions and captures without recoverable timing were excluded rather than assigned an estimated length.
Does this data represent every D&D table?
No. It is an anonymized, self-selected sample of Archivist users across multiple TTRPG systems. It is useful as an observed benchmark, not a census of all D&D or tabletop play.
Citing This Data
You may quote or republish these aggregate figures with attribution and a link to this page. Please preserve the 16,000-session denominator and describe the result as cross-system TTRPG data.
SUGGESTED CITATION
Archivist. “How Long Is a D&D Session? Data From 16,000 Sessions.” 2026. myarchivist.ai.
Where the Data Comes From
Archivist records and transcribes TTRPG sessions, then turns them into searchable campaign memory. This report uses only anonymized, aggregate measurements from those processed sessions.