Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMary J Vidovich
#330 · 1:27:14 · F62 · Group C · INV
Wave start 8:04 AM (C-INV)
Athlete B
OfficialJack J Barbour
#329 · 1:07:12 · M26 · Group Z · INV
Wave start 8:24 AM (Z-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
Mary (C-INV) started at 8:04 AM; Jack (Z-INV) started at 8:24 AM. That gave Mary a 20 minutes head start on Jack. On foot, Mary ran 1:27:14 and Jack ran 1:07:12 — Jack was 20:02 faster than Mary. Mary took official place 330th (time-based 838th) and Jack took official place 329th (time-based 240th). 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 = Mary − Jack. Negative means Mary 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 | Mary | Jack | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:42 | 7:29 | +2:13 |
| Stairs to Windy Gap | 7:51 | 5:37 | +2:14 |
| Windy Gap to Muir Woods | 7:11 | 4:51 | +2:20 |
| Muir Woods to Cardiac | 31:13 | 27:19 | +3:54 |
| Cardiac to White Gate | 19:26 | 13:07 | +6:19 |
| White Gate to The Stile | 9:24 | 6:53 | +2:31 |
| The Stile to Finish | 2:27 | 1:56 | +0:31 |
Δ negative = Mary ran the segment faster.