Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn P Cassidy
#517 · 1:23:17 · M46 · Group W · INV
Wave start 8:21 AM (W-INV)
Athlete B
OfficialDavid Leipsic
#516 · 1:31:14 · M61 · Group M · INV
Wave start 8:13 AM (M-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
John (W-INV) started at 8:21 AM; David (M-INV) started at 8:13 AM. That gave David a 8 minutes head start on John. On foot, John ran 1:23:17 and David ran 1:31:14 — John was 7:57 faster than David. John took official place 517th (time-based 749th) and David took official place 516th (time-based 931st). David's head start was enough to flip the official order even though John was faster on foot. Biggest swing: John gained 2:34 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
David Leipsic (M-INV) started 8 min earlier than John (W-INV).
- Overall place Δ
- +1
- Actual time Δ
- -7:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (David earlier)
- Finish clock Δ
- +0:03
- Section place Δ
- +10
Δ = John − David. Negative means John is ahead/faster.
Race timeline
Computed- David (M-INV) started at 8:13 AM.
- John (W-INV) started at 8:21 AM, 8:00 later.
- Actual running time: John was 7:57 faster on foot than David.
- Finish clock: David crossed the line 0:03 ahead of John — David wins this head-to-head.
Δ (A − B): actual -7:57 · finish clock +0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:07 | 11:07 | -2:00 |
| Stairs to Windy Gap | 7:02 | 7:33 | -0:31 |
| Windy Gap to Muir Woods | 6:12 | 8:46 | -2:34 |
| Muir Woods to Cardiac | 33:58 | 33:24 | +0:34 |
| Cardiac to White Gate | 16:51 | 18:20 | -1:29 |
| White Gate to The Stile | 8:01 | 9:23 | -1:22 |
| The Stile to Finish | 2:06 | 2:41 | -0:35 |
Δ negative = John ran the segment faster.