What is Sprint Speed to Third? Definition, Formula, and Example
Sprint Speed to Third measures how quickly a runner accelerates from home plate to third base, providing a granular look at a player's raw baserunning ability.
What is Sprint Speed to Third?
Sprint Speed to Third is a Statcast baserunning metric that tracks the exact time it takes a runner to go from home plate to third base. Expressed in seconds, it isolates a player's raw acceleration and max sprint speed over roughly 270 feet. While overall sprint speed captures a runner's top gear in a vacuum, Sprint Speed to Third evaluates how quickly a batter transitions from swinging to running, how efficiently they round first base, and whether they can maintain that speed through the bag at second and into third. It is a vital tool for evaluating triples potential, first-to-third aggressiveness, and pure foot speed.
How it is Calculated / Measured
Statcast uses high-resolution optical tracking cameras (Hawk-Eye) to capture the exact moment a runner's foot crosses home plate after a swing, and the exact moment their hand or foot touches third base. The resulting time is recorded in seconds with decimal precision.
The calculation strictly measures the time elapsed between these two events. To evaluate a player's efficiency, analysts compare a runner's Sprint Speed to Third against the league average (which hovers around 11.3 seconds). Analysts also compare it to a player's standard Sprint Speed (measured in feet per second) to see if they are running at their maximum theoretical capacity or losing time by taking a poor angle around first base. A perfectly executed run will feature a tight turn at first, minimizing the total distance traveled without scrubbing momentum.
Worked Example
During the 2023 season, Bobby Witt Jr. established himself as one of the premier speed threats in baseball. On an extra-base hit to the gap, Witt routinely recorded Sprint Speed to Third times around 10.15 seconds. The MLB average for a runner reaching third base safely is approximately 11.3 seconds. Witt's time of 10.15 seconds shaves over a full second off the league average—a massive margin given that a big-league relay throw takes roughly 7 seconds to reach third base from the outfield wall. For comparison, a player with average speed like J.D. Martinez typically clocks in closer to 11.4 seconds, drastically reducing his ability to stretch doubles into triples or advance from first to third on singles to the outfield.
Why it Matters
Front offices use Sprint Speed to Third to optimize lineup construction and baserunning strategy. A player with an elite time forces opposing defenses to play shallower, opening gaps for singles. Third base coaches use this metric to decide whether to wave a runner home from first on a double or send a runner from second on a single. In fantasy baseball and DFS, knowing who possesses elite Sprint Speed to Third provides a massive edge in predicting triples and stolen base opportunities, as these players are more likely to take extra bases.
Limitations and Common Misconceptions
A major limitation of Sprint Speed to Third is sample size. Because triples are rare, only a handful of opportunities per season qualify for this metric. It is often confused with sprint speed to home and standard Sprint Speed. While standard Sprint Speed measures max velocity in feet per second, Sprint Speed to Third measures total time over a specific distance, which includes the batter's reaction time out of the box and the mechanical efficiency of rounding the bases. A player with a slow swing or a heavy habit of admiring a hit will post a worse time despite possessing elite top-end speed.
Related Terms
In Legends Deck: We use Sprint Speed to Third to determine the "Speed" and "Baserunning" attributes on player cards. A sub-10.5-second time guarantees a 99 Speed rating, directly impacting your ability to stretch extra-base hits and score on close plays at the plate during simulations.