Your Runway Math Is Wrong

You raised your seed round, you built your plan, and you told your investors you'd be ready for Series A in 18 months. You might want to sit down.

According to Carta's latest data, the median time between a seed round and a Series A is now 774 days. That's over two years. In 2021, it was 420 days. The gap has grown by 84% in three years, and it's still trending longer.

If you raised $3 million and you're burning $125K a month, your runway is 24 months. That sounds fine until you realize 24 months barely covers the median timeline. A quarter of funded companies are now waiting three years or more for their Series A. You're planning for the middle of the bell curve and hoping you're not on the wrong side of it.

After 20 years building and scaling product orgs, and now working with seed and Series A founders as a fractional exec, I keep seeing the same mistake. Founders plan their burn rate around a fundraising timeline that hasn't existed for two years.

I know of a company that learned this the expensive way. Series A company, about 60 employees, heading into their Series B raise. They'd done what every pitch deck says you're supposed to do: they went out and hired VP-level leaders. The grown-ups in the room. People who could professionalize the org and impress investors with a mature leadership bench. Big-league hires from big-league companies.

Problem was, the next round took longer than they planned. The grown-ups were expensive. Eight of them had to go, and most of them had been there less than six months.

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Here's the part nobody warns you about. When you hire a VP and let them go after four and a half months, that VP has VP-level contacts. They have a network. And the startup community is a lot smaller than it looks from the outside.

One of those former VPs posted on LinkedIn. "Five months ago I left Stripe to join a Series A company as VP of Marketing. Monday I was told my position was being eliminated. No performance issues. No warning. Just 'we can't afford this role anymore.'" He ended the post with, "They just weren't ready to be the grown-ups." Another former VP jumped in. She'd left Atlassian for the same company, same outcome.

That post got 110 comments. Do you know what the LinkedIn algorithm does with a post from a VP that mentions a well-known tech company and has 110 comments? It serves it to everybody. That's a reputation crisis playing out in front of every hiring manager, every candidate, and every investor in your market. It makes you look irrational and reckless to a very large audience.

Venture capitalists do not like irrational and reckless.

The company did eventually close their Series B, but it took longer and came with exceptionally shitty terms, as opposed to the typical shitty terms. The reputation damage meant fewer investors competing for the deal, which meant the investors who were interested had all the leverage. The valuation came in lower than planned, so raising the money they needed meant surrendering more ownership than they'd budgeted for. The perception among investors wasn't that the company had overhired. The perception was that the founding team, none of whom had been founders before, might not be mature enough to manage at this stage.

Like they weren't ready for the big leagues.

The reality was simpler: they hired too senior, too early. But the perception was worse. And in fundraising, perception has a longer half-life than reality.

Personnel is 60-70% of your burn rate. That's where the math lives and where the biggest adjustments happen.

The numbers tell the story. According to Carta's Winter 2025 State of Seed report, the average seed-stage company now has 6.2 equity-holding employees, down from 10.3 in 2021. Series A teams have dropped from 25.9 to 16.8. I'm working with a seed-stage company right now that has three equity-holding employees, and they aren't eager to scale that up in this market. Companies are staying leaner because the runway demands it.

(That reminds me: If you're not following Peter Walker on LinkedIn, fix that today. He runs insights at Carta, and the market data he publishes is some of the best raw material out there for founders trying to plan ahead.)

Here's how to make sure you're on the right side of these numbers.

Don't hire the translation layer you can't afford. I see this constantly: a Series A founder hires a director from another company by dangling a VP title. Now you've got a VP of a two-person team. You're paying VP money for someone whose main job is being a layer between you and people you could still be managing yourself. That layer is expensive. And at your stage, it's premature. Hold onto those direct reports longer than feels comfortable. You don't need a VP until there's an actual org for that VP to oversee or build.

Same goes for sales leadership. If you're a founder who can sell, keep selling. The instinct at $2M ARR is to bring in a VP of Sales so you can "focus on product" or "focus on strategy." That's a $200K-$300K bet on someone who needs to learn your product, your customers, and your sales cycle before they close a single deal. A senior AE who can run alongside you will cost less and produce faster.

If you genuinely think you need executive-level thinking but can't justify the full-time cost, go fractional. No benefits package, no equity negotiation, and you get someone who's done this before at companies bigger than yours. Finance is the most common fractional hire at this stage, and for good reason; a fractional CFO can steer your fundraising prep and cash flow strategy for a fraction of what a full-time hire would cost. After finance, I'm seeing it consistently in ops, marketing, and product. It's a bridge, not a shortcut, but it's a hell of a lot cheaper than a VP who's managing two people and wondering why they left their last job.

Audit your tech stack like you're paying for it yourself. Because you are. You'd be amazed at how many early-stage companies are paying for two tools that do the same thing, or carrying subscriptions they stopped using three months ago. This is one of the first places I advise people to cut, and it's one of the easiest. Walk through every recurring charge and ask: is this driving revenue or saving meaningful time? If the answer is "kind of," cancel it.

Focus on the customers you already have. Net revenue retention has become one of the most important metrics in SaaS right now, and for good reason. It typically takes less effort and costs less money to get existing customers to spend more than it does to bring in new logos. Figure out what you can upsell. Figure out what belongs in a premium tier.

But be careful here. A year ago, you could put AI capabilities in a premium layer and nobody blinked. Now AI features are table stakes. Your competitors are giving them away. So the packaging question is getting harder, and it's going to keep getting harder as the market reaches parity. The upside is still real, but you have to be thoughtful about what "premium" actually means to your customers today, not six months ago.

I know of another founder who looked at the same fundraising data and came to a different conclusion. They didn't panic. They didn't have to lay anyone off. They didn't take a reputation hit. The reason was boring: they'd been cautious with every dollar from the beginning. When the timeline stretched, they didn't have to cut burn because they'd never let it balloon in the first place. They scaled back some plans, sure. But scaling back plans is a very different conversation than scaling back people.

This is what I tell every founder I work with: treat every investment dollar like it's your own money. Like your mortgage depends on it. If you treated your company's bank account the way you treat your personal checking account, you'd think twice about that new subscription. You'd be a lot more honest about what you need versus what you want.

Did you really need that second analytics platform? Or the team offsite at a resort? Buy a pizza and book a conference room. Tulum can wait.

Act like you're never going to raise another round again. That's probably not true. But if you operate with that mindset, you're going to handle these longer timelines without a crisis. You're going to keep your team intact. You're going to focus on revenue earlier than most of your competitors, because the next VC check might be two or three years away. Self-sufficiency has to be the plan from day one. If you wait until month 18 to figure it out, it's too late. You're already out of runway. And you're not going to end up as the cautionary tale on someone's LinkedIn feed with 110 people commenting about how you don't have your shit together.

The gap between seed and Series A doubled in three years. Your 18-month plan was built for a market that doesn't exist anymore. The founders who adjust now, before the runway gets short, are the ones who'll have options when it's time to raise. The ones who don't will be explaining layoffs to investors who were already skeptical.

Plan accordingly. And treat every dollar like it's yours. Because right now, it might be the last one you get from a VC for a while.