Newsletter Insights — advertising rates and audience data for 32K+ newsletters
Browse all →Advertisers are viewing this page. Claim it
Track a16z speedrun's growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses Substack subdomain (speedrun.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
Insights for founders creating the future.
Data updated Yesterday
Avg Comments
5.5
Avg Likes
74.2
Engagement Rate
0.04%· ~80 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 202K+ subscribers
Quality Score
Engagement vs Business
0.04% engagement rate
Score Breakdown
Engagement Score
| Public |
| Early Stage Markets Rarely Look Like Marketsa16z speedrun investor Emily Bennett offers tips on how founders can understand markets that don’t yet have a name.May 12, 2026 | Public |
| Should You Be Token-Maxxing?Founders from the class of SR006 weigh in on their token-burning habits.May 5, 2026 | Public |
| The Founder’s Guide to BloggingHow to win the war for attention with compelling writing.Apr 28, 2026 | Public |
| 60 founders. One stage. You could be next.Six months ago, these founders hit submit on an application to speedrun. Now it's your turn.Apr 21, 2026 | Public |
| Applied Intuition’s Qasar Younis on Radical Pragmatism and Building a Company to LastThe former COO of Y Combinator shares advice with speedrun foundersApr 14, 2026 | Public |
| The Growth Meta: Should Founders Be LinkedIn-Maxxing?Embrace the cringeApr 7, 2026 | Public |
| Liquid Death’s Mike Cessario on Building a Brand That Can’t Be CopiedWhy brand and distribution make all the differenceApr 2, 2026 | Public |
| How a Former RuneScape Designer Built a Cult Hit ProductTakeaways from a fireside chat with Superhuman founder Rahul VohraMar 26, 2026 | Public |
Weekly Growth
+4.0%
Track CPM rates as they change
Start tracking — freeSubscriber counts are rounded by the platform — step changes may not reflect actual growth
vs 334 newsletters in Business
202K places you in the top 10% of newsletters in this category.
Engagement Rate
0.04%
median: 0.00%
Posts per Week
1.3
median: 1.0
Publishing Consistency
74/100
median: 63/100
Subscribers
202K
median: 2K
Refactoring
173K subs
Founding Journey
240K subs
Clouded Judgement
87K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of a16z speedrun vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including HubSpot, Donorbox, Semrush Enterprise + 38 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Weekly
Last published May 14, 2026
Usually publishes Tue, Thu, Wed
1.3 posts/week avg
Business Pricing
$7/mo median
Your newsletter: Free
Monetization Readiness
Business newsletters typically start charging at ~2K subscribers
Above the typical threshold
100% of similar-size Business newsletters have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — freeSponsor-Attractive Profile
202.0K subscribers, 0.04% engagement, and 3 detected sponsors — a strong profile for advertisers.