Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialWilliam B Pease
#180 · 1:04:10 · M42 · Group X · INV
Wave start 8:22 AM (X-INV)
Athlete B
OfficialMary Etta Boitano Blanchard
#175 · 1:22:41 · F63 · Group B · INV
Wave start 8:03 AM (B-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
William (X-INV) started at 8:22 AM; Mary Etta (B-INV) started at 8:03 AM. That gave Mary Etta a 19 minutes head start on William. On foot, William ran 1:04:10 and Mary Etta ran 1:22:41 — William was 18:31 faster than Mary Etta. William took official place 180th (time-based 158th) and Mary Etta took official place 175th (time-based 725th). Mary Etta's head start was enough to flip the official order even though William was faster on foot. Biggest swing: William gained 7:03 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mary Etta Boitano Blanchard (B-INV) started 19 min earlier than William (X-INV).
- Overall place Δ
- +5
- Actual time Δ
- -18:31
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 19 min (Mary Etta earlier)
- Finish clock Δ
- +0:29
- Section place Δ
- +10
Δ = William − Mary Etta. Negative means William is ahead/faster.
Race timeline
Computed- Mary Etta (B-INV) started at 8:03 AM.
- William (X-INV) started at 8:22 AM, 19:00 later.
- Actual running time: William was 18:31 faster on foot than Mary Etta.
- Finish clock: Mary Etta crossed the line 0:29 ahead of William — Mary Etta wins this head-to-head.
Δ (A − B): actual -18:31 · finish clock +0:29.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | William | Mary Etta | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:07 | 10:19 | -3:12 |
| Stairs to Windy Gap | 5:54 | 7:22 | -1:28 |
| Windy Gap to Muir Woods | 5:32 | 6:58 | -1:26 |
| Muir Woods to Cardiac | 23:51 | 30:54 | -7:03 |
| Cardiac to White Gate | 13:13 | 16:30 | -3:17 |
| White Gate to The Stile | 6:34 | 8:03 | -1:29 |
| The Stile to Finish | 1:59 | 2:35 | -0:36 |
Δ negative = William ran the segment faster.