What is Spend Pacing?

Why It Matters

Spend pacing catches budget problems while there's still time to fix them, rather than discovering at the end of a flight that a campaign exhausted its budget days early or left money unspent on the table. Overpacing means a campaign will run out of budget before the flight ends, cutting off delivery during what might otherwise be a strong performing period, while underpacing means budget is sitting unused and the campaign is underdelivering on its planned reach or results. Catching either mid-flight lets a media buyer adjust daily bids or budgets to smooth delivery across the full planned period, instead of ending up with an uneven spend curve that skews performance data. It's especially important for campaigns tied to a specific end date, like a seasonal promotion, since running out of budget early during that window can mean missing the exact period the campaign was built around. Consistent pacing also makes performance comparisons across time periods more reliable, since an unevenly paced campaign makes day-to-day results harder to interpret.

Example

A campaign has a $30,000 budget set to spend evenly across a 30-day flight, meaning $15,000 should be spent by day 15. If actual spend at day 15 is $21,000, spend pacing is $21,000 divided by $15,000, times 100, which equals 140%, meaning the campaign is on track to exhaust its budget roughly 9 days early unless daily bids or budgets are adjusted down. Catching pacing issues mid-flight, rather than after the budget runs out, is what lets a media buyer smooth delivery across the full planned period.

Frequently Asked Questions

• What does a spend pacing figure above 100% mean?

  It means the campaign is spending faster than planned and is on track to exhaust its budget before the flight ends, unless daily bids or budgets are adjusted downward.

• What does a spend pacing figure below 100% mean?

  It means the campaign is underspending relative to plan, which risks leaving budget unused and underdelivering on the campaign's planned reach or results by the end of the flight.

• How often should spend pacing be checked during a campaign?

  Daily or every few days for most flighted campaigns, since catching a pacing issue early gives more room to smooth delivery than catching it only near the end of the flight.

• What typically causes a campaign to overpace?

  Bids or budgets set too aggressively relative to available inventory, unexpectedly high auction win rates, or a lack of daily budget caps that would otherwise throttle spend evenly.

• How is spend pacing corrected mid-flight?

  Media buyers typically adjust daily budget caps or bid levels up or down to bring the spend curve back in line with the remaining days left in the flight.