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 Etta Boitano Blanchard
#175 · 1:22:41 · F63 · Group B · INV
Wave start 8:03 AM (B-INV)
Athlete B
OfficialNick M Murray
#176 · 1:02:46 · M38 · Group Y · INV
Wave start 8:23 AM (Y-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 Etta (B-INV) started at 8:03 AM; Nick (Y-INV) started at 8:23 AM. That gave Mary Etta a 20 minutes head start on Nick. On foot, Mary Etta ran 1:22:41 and Nick ran 1:02:46 — Nick was 19:55 faster than Mary Etta. Mary Etta took official place 175th (time-based 725th) and Nick took official place 176th (time-based 130th). Mary Etta's head start was enough to flip the official order even though Nick was faster on foot. Biggest swing: Nick gained 7:15 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mary Etta Boitano Blanchard (B-INV) started 20 min earlier than Nick (Y-INV).
- Overall place Δ
- -1
- Actual time Δ
- +19:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 20 min (Mary Etta earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- -30
Δ = Mary Etta − Nick. Negative means Mary Etta is ahead/faster.
Race timeline
Computed- Mary Etta (B-INV) started at 8:03 AM.
- Nick (Y-INV) started at 8:23 AM, 20:00 later.
- Actual running time: Nick was 19:55 faster on foot than Mary Etta.
- Finish clock: Mary Etta crossed the line 0:05 ahead of Nick — Mary Etta wins this head-to-head.
Δ (A − B): actual +19:55 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary Etta | Nick | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:19 | 7:08 | +3:11 |
| Stairs to Windy Gap | 7:22 | 5:30 | +1:52 |
| Windy Gap to Muir Woods | 6:58 | 5:31 | +1:27 |
| Muir Woods to Cardiac | 30:54 | 23:39 | +7:15 |
| Cardiac to White Gate | 16:30 | 12:52 | +3:38 |
| White Gate to The Stile | 8:03 | 6:13 | +1:50 |
| The Stile to Finish | 2:35 | 1:53 | +0:42 |
Δ negative = Mary Etta ran the segment faster.