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
OfficialErin Wagner
#334 · 1:16:19 · F41 · Group P · INV
Wave start 8:15 AM (P-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; Erin (P-INV) started at 8:15 AM. That gave Mary a 11 minutes head start on Erin. On foot, Mary ran 1:27:14 and Erin ran 1:16:19 — Erin was 10:55 faster than Mary. Mary took official place 330th (time-based 838th) and Erin took official place 334th (time-based 529th). Mary's head start was enough to flip the official order even though Erin was faster on foot. Biggest swing: Erin gained 3:42 from Cardiac to White Gate.
Deltas
ComputedWave start
Mary J Vidovich (C-INV) started 11 min earlier than Erin (P-INV).
- Overall place Δ
- -4
- Actual time Δ
- +10:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Mary earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- -20
Δ = Mary − Erin. Negative means Mary is ahead/faster.
Race timeline
Computed- Mary (C-INV) started at 8:04 AM.
- Erin (P-INV) started at 8:15 AM, 11:00 later.
- Actual running time: Erin was 10:55 faster on foot than Mary.
- Finish clock: Mary crossed the line 0:05 ahead of Erin — Mary wins this head-to-head.
Δ (A − B): actual +10:55 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary | Erin | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:42 | 9:05 | +0:37 |
| Stairs to Windy Gap | 7:51 | 6:49 | +1:02 |
| Windy Gap to Muir Woods | 7:11 | 6:39 | +0:32 |
| Muir Woods to Cardiac | 31:13 | 28:34 | +2:39 |
| Cardiac to White Gate | 19:26 | 15:44 | +3:42 |
| White Gate to The Stile | 9:24 | 7:30 | +1:54 |
| The Stile to Finish | 2:27 | 1:58 | +0:29 |
Δ negative = Mary ran the segment faster.