Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJack J Barbour
#329 · 1:07:12 · M26 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialMary J Vidovich
#330 · 1:27:14 · F62 · Group C · INV
Wave start 8:04 AM (C-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
Jack (Z-INV) started at 8:24 AM; Mary (C-INV) started at 8:04 AM. That gave Mary a 20 minutes head start on Jack. On foot, Jack ran 1:07:12 and Mary ran 1:27:14 — Jack was 20:02 faster than Mary. Jack took official place 329th (time-based 240th) and Mary took official place 330th (time-based 838th). Jack was faster on foot and finished ahead on the official clock too. Biggest swing: Jack gained 6:19 from Cardiac to White Gate.
Deltas
ComputedWave start
Mary J Vidovich (C-INV) started 20 min earlier than Jack (Z-INV).
- Overall place Δ
- -1
- Actual time Δ
- -20:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 20 min (Mary earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- +35
Δ = Jack − Mary. Negative means Jack is ahead/faster.
Race timeline
Computed- Mary (C-INV) started at 8:04 AM.
- Jack (Z-INV) started at 8:24 AM, 20:00 later.
- Actual running time: Jack was 20:02 faster on foot than Mary.
- Finish clock: Jack crossed the line 0:02 ahead of Mary — Jack wins this head-to-head.
Δ (A − B): actual -20:02 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jack | Mary | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:29 | 9:42 | -2:13 |
| Stairs to Windy Gap | 5:37 | 7:51 | -2:14 |
| Windy Gap to Muir Woods | 4:51 | 7:11 | -2:20 |
| Muir Woods to Cardiac | 27:19 | 31:13 | -3:54 |
| Cardiac to White Gate | 13:07 | 19:26 | -6:19 |
| White Gate to The Stile | 6:53 | 9:24 | -2:31 |
| The Stile to Finish | 1:56 | 2:27 | -0:31 |
Δ negative = Jack ran the segment faster.