Split Pace Sheet
Lead, both projections, and the pace the rest needs. Everything in seconds - conversion table below.
BFCBrilliance · bfcbrilliance.com/tools/speedrun-pace-calculator
The arithmetic
- YOUR LEAD
- PB at this split − your time now
- FLAT projection
- PB total − your lead
- SCALED projection
- PB total x your time ÷ PB at split
- Spread between them
- size of lead x (1 ÷ fraction done − 1)
- Pace needed
- time left for goal ÷ PB's remaining
- ⚠ At 25% through
- the spread is 3x your lead
- ⚠ At 50% / 90% through
- 1x your lead / about a ninth
- ⚠ Repeatable lead?
- execution scales, luck does not
- Converting a timer
- mins x 60 + secs — 12:34 is 754
Splits this session
| Split | PB at split | This run | Lead | Flat | Pace % |
|---|---|---|---|---|---|
This attempt
- Game and category
- Date
- PB total (s)
- Goal total (s)
- Split name
- PB at split (s)
- This run (s)
- LEAD
- FLAT PROJECTION
- SCALED PROJECTION
- SPREAD
- PACE NEEDED %
Reading a split honestly
- Split time is ELAPSED, not the length of the segment
- Fraction of the run done checked before trusting any projection
- Lead classified: execution (scales) or one-off luck (does not)
- Both projections held as bounds, not one of them as a prediction
- Pace needed checked — under 100% means beating the PB, not matching it
- Segment bests consulted for what is genuinely achievable
- Reset decision treated as judgement, not arithmetic
- Back-half practice weighed before resetting a behind-pace run
The spread is the point
Two honest projections, and early in a run they sit further apart than the lead itself — a quarter of the way in, a 30 second lead spans 90 seconds of finishing times. That is not the tool hedging; it is the genuine amount an early split can tell you. Late splits narrow it sharply, which is why they feel more informative. They are.
Execution scales, luck does not
A lead built from cleaner movement keeps accruing, so the scaled projection is fair. A lead from one lucky drop or a coin-flip skip will not repeat, so the flat one is honest. Sorting your lead into those two buckets is the single judgement that decides which number means anything — and no calculator can make it for you.