Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAmanda Allen Boyd
#631 · 1:19:40 · F48 · Group M · DR
Wave start 8:40 AM (M-DR)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · 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
Amanda (M-DR) started at 8:40 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 16 minutes head start on Amanda because the Runner wave starts 27 minutes after the Invitational wave. On foot, Amanda ran 1:19:40 and Edward ran 48:29 — Edward was 31:11 faster than Amanda. Amanda took official place 631st (time-based 641st) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 10:14 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 16 min earlier than Amanda (M-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +629
- Actual time Δ
- +31:11
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 16 min (Edward earlier)
- Finish clock Δ
- +47:11
- Section place Δ
- —
Δ = Amanda − Edward. Negative means Amanda is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Amanda (M-DR) started at 8:40 AM, 16:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 31:11 faster on foot than Amanda.
- Finish clock: Edward crossed the line 47:11 ahead of Amanda — Edward wins this head-to-head.
Δ (A − B): actual +31:11 · finish clock +47:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Amanda | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 5:48 | +3:24 |
| Stairs to Windy Gap | 6:45 | 4:17 | +2:28 |
| Windy Gap to Muir Woods | 7:40 | 4:16 | +3:24 |
| Muir Woods to Cardiac | 28:06 | 17:52 | +10:14 |
| Cardiac to White Gate | 17:22 | 9:40 | +7:42 |
| White Gate to The Stile | 8:22 | 5:03 | +3:19 |
| The Stile to Finish | 2:13 | 1:33 | +0:40 |
Δ negative = Amanda ran the segment faster.