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
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-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; Julia (Q-INV) started at 8:16 AM. That gave Julia a 24 minutes head start on Amanda because the Runner wave starts 27 minutes after the Invitational wave. On foot, Amanda ran 1:19:40 and Julia ran 57:02 — Julia was 22:38 faster than Amanda. Amanda took official place 631st (time-based 641st) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 7:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 24 min earlier than Amanda (M-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +628
- Actual time Δ
- +22:38
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 24 min (Julia earlier)
- Finish clock Δ
- +46:38
- Section place Δ
- —
Δ = Amanda − Julia. Negative means Amanda is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Amanda (M-DR) started at 8:40 AM, 24:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 22:38 faster on foot than Amanda.
- Finish clock: Julia crossed the line 46:38 ahead of Amanda — Julia wins this head-to-head.
Δ (A − B): actual +22:38 · finish clock +46:38.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Amanda | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 6:46 | +2:26 |
| Stairs to Windy Gap | 6:45 | 5:03 | +1:42 |
| Windy Gap to Muir Woods | 7:40 | 5:20 | +2:20 |
| Muir Woods to Cardiac | 28:06 | 20:26 | +7:40 |
| Cardiac to White Gate | 17:22 | 11:52 | +5:30 |
| White Gate to The Stile | 8:22 | 5:54 | +2:28 |
| The Stile to Finish | 2:13 | 1:41 | +0:32 |
Δ negative = Amanda ran the segment faster.