Time Save Calculator

A time save calculator is an essential tool for speedrunners who want to move beyond gut instinct and make data-driven decisions about where to invest their practice time. Every speedrun is made up of individual segments — discrete sections of the game with their own start and end points. For each segment you track three key numbers: your Personal Best (PB) time, your Gold split (the fastest you have ever completed that segment), and your average time across all attempts.

By comparing these three values across every segment, this calculator surfaces two critical insights. First, it quantifies your total time save potential — the gap between your current full-run PB and the theoretical best run you could achieve if you executed every segment at your personal gold pace simultaneously. Second, it measures your consistency gap — how far your average run currently sits above your PB, revealing how often you are actually playing at your best level.

Understanding both dimensions is what separates runners who plateau from runners who keep improving. Some runners have a large optimization gap, meaning their gold splits are dramatically faster than their PB splits, so they should focus on executing known strategies better. Others have a large consistency gap, meaning their PB is actually near their gold ceiling but they achieve it rarely, so they should focus on execution reliability and reducing variance. This calculator diagnoses which category each segment falls into, giving you a clear practice priority list for every session.

Whether you run platformers, action-RPGs, first-person shooters, or open-world games, the split-analysis approach applies universally. Any game where you can divide the run into measurable sections benefits from this kind of systematic improvement tracking.

The time save calculator uses straightforward arithmetic applied consistently across every segment you enter. Here is a breakdown of every metric the tool computes and what each one means for your training.

Per-Segment Calculations: For each segment, the calculator derives three values from your PB, Gold, and Average inputs:

• Time Save Potential — how many seconds separate your PB split from your gold split in this segment. This is the maximum improvement achievable with existing knowledge of the route.
• Consistency Gap — how many seconds your average split exceeds your PB split. A large consistency gap signals high variance; you can do this segment fast but do so rarely.
• Improvement Potential % — the time save potential expressed as a percentage of your PB split, useful for comparing segments of vastly different lengths.
• Priority Tag — if time save potential exceeds the consistency gap, the segment is tagged optimization (you need new strategies or better execution of existing ones). If the consistency gap is equal to or greater, it is tagged consistency (focus on reliability).

Run-Level Totals: Summing across all segments produces the full-run picture — total PB, Sum of Best (total gold), total average, overall time save potential, and the global consistency gap.

Once you enter your segments, the calculator produces a ranked list of segments sorted by time save potential — the highest-opportunity segments appear first. Each segment card shows its priority tag, its improvement percentage, and the raw second difference between PB and gold.

Optimization-tagged segments are where strategic study pays off. If your gold split is 20 seconds faster than your PB split in a particular area, you have clearly executed that section well at least once — your goal is to understand exactly what you did during that gold attempt and replicate it consistently. Review footage, study movement patterns, and drill the specific trick or strategy that produced the gold.

Consistency-tagged segments are where repetition and mental resilience matter most. If your average is 30 seconds above your PB in a segment but your gold is only 5 seconds ahead of your PB, the ceiling is not much higher — but you are rarely reaching that ceiling. Focused grinding of that section in isolation, without the pressure of a full run, is usually the right prescription.

The global consistency gap at the top of the results panel is arguably the most actionable number for most intermediate runners. A consistency gap larger than the total time save potential means your biggest gains come from run stability, not from learning new tricks. Conversely, when the total time save potential dwarfs the consistency gap, it is a strong signal to research route improvements, watch world record runs, and find strategies you have not yet adopted.

Track these numbers over time. As your golds improve and your averages tighten, both the time save potential and the consistency gap should shrink — concrete evidence that practice is translating into results.

The Sum of Best (SoB) is a concept central to competitive speedrunning. It represents a hypothetical run in which every individual segment is completed at the pace of your personal best for that segment — your gold split. In practice, achieving your Sum of Best in a real run is essentially impossible, because it would require every segment to go perfectly on the same attempt. Nevertheless, the SoB is an invaluable benchmark.

In this calculator, sumOfBest equals totalGold — the sum of all your gold split times. The gap between your current PB and your Sum of Best is your total time save potential, the maximum improvement achievable without learning any new strategies.

Most serious speedrunners track their SoB alongside their PB. When a runner's PB is within a few seconds of their SoB, it is a clear signal that they need to push their gold splits lower — typically by discovering new routes, skips, or optimizations — rather than just running more. When the gap is large, more practice volume with the existing route is usually sufficient to improve.

Popular split-tracking software like LiveSplit automatically calculates and displays your Sum of Best during a run, making it easy to cross-reference with this calculator's output. Use this calculator in your pre-session planning phase to identify which segments to focus on, then bring those insights into your actual runs.

The most effective speedrunners treat their improvement like athletes treat sports training — with intentional structure, measurable targets, and clear feedback loops. A speedrun time save calculator is the foundation of that structured approach.

Start by entering all your current splits from your most recent completed PB run. Be honest with your gold times — use your actual recorded gold splits, not estimated ideals. Then look at the sorted priority list. The top three to five segments by time save potential are your high-value targets for the next training block.

Set a concrete micro-goal: for example, "I will practice the Boss segment in isolation until I achieve a gold split 10 seconds faster than my current PB split." Once you hit that target, re-enter your updated gold and watch how the total time save potential and improvement percentages shift. This iterative process keeps motivation high because every session has a tangible, measurable objective rather than the vague goal of "get better."

Pay equal attention to the consistency data. Some runners discover that their Sum of Best suggests a world-class time is theoretically reachable, but their average run is 10 minutes above their PB — meaning they almost never string together a solid run. In those cases, dedicating sessions to full-run attempts rather than isolated segment grinding is the smarter play, because execution endurance and decision-making under pressure are the real limiters.

As you approach the top of leaderboards in your game or category, the optimization and consistency data converge. Gold splits become nearly identical to PB splits, and average times creep closer to PB times. At that stage, even fractions of a second of time save potential in a segment represent meaningful competitive edges. This calculator scales with you at every level of the journey.