Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialEdward T Stace
#52 · 56:56 · M38 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialJacob Mandel
#48 · 54:40 · M23 · Group SCR · INV
Wave start 8:25 AM (SCR-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Edward (Y-INV) started at 8:23 AM; Jacob (SCR-INV) started at 8:25 AM. That gave Edward a 2 minutes head start on Jacob. On foot, Edward ran 56:56 and Jacob ran 54:40 — Jacob was 2:16 faster than Edward. Edward took official place 52nd (time-based 31st) and Jacob took official place 48th (time-based 17th). Jacob was faster on foot and finished ahead on the official clock too. Biggest swing: Jacob gained 0:38 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward T Stace (Y-INV) started 2 min earlier than Jacob (SCR-INV).
- Overall place Δ
- +4
- Actual time Δ
- +2:16
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Edward earlier)
- Finish clock Δ
- +0:16
- Section place Δ
- +6
Δ = Edward − Jacob. Negative means Edward is ahead/faster.
Race timeline
Computed- Edward (Y-INV) started at 8:23 AM.
- Jacob (SCR-INV) started at 8:25 AM, 2:00 later.
- Actual running time: Jacob was 2:16 faster on foot than Edward.
- Finish clock: Jacob crossed the line 0:16 ahead of Edward — Jacob wins this head-to-head.
Δ (A − B): actual +2:16 · finish clock +0:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Edward | Jacob | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:26 | 6:30 | -0:04 |
| Stairs to Windy Gap | 5:08 | 4:39 | +0:29 |
| Windy Gap to Muir Woods | 4:48 | 4:41 | +0:07 |
| Muir Woods to Cardiac | 21:45 | 21:07 | +0:38 |
| Cardiac to White Gate | 11:17 | 10:40 | +0:37 |
| White Gate to The Stile | 5:44 | 5:23 | +0:21 |
| The Stile to Finish | 1:48 | 1:40 | +0:08 |
Δ negative = Edward ran the segment faster.