Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJeff Marks
#628 · 1:13:15 · M53 · Group U · DR
Wave start 8:46 AM (U-DR)
Athlete B
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Jeff (U-DR) started at 8:46 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 30 minutes head start on Jeff because the Runner wave starts 27 minutes after the Invitational wave. On foot, Jeff ran 1:13:15 and Julia ran 57:02 — Julia was 16:13 faster than Jeff. Jeff took official place 628th (time-based 430th) 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 7:50 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 30 min earlier than Jeff (U-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +625
- Actual time Δ
- +16:13
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 30 min (Julia earlier)
- Finish clock Δ
- +46:13
- Section place Δ
- —
Δ = Jeff − Julia. Negative means Jeff is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Jeff (U-DR) started at 8:46 AM, 30:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 16:13 faster on foot than Jeff.
- Finish clock: Julia crossed the line 46:13 ahead of Jeff — Julia wins this head-to-head.
Δ (A − B): actual +16:13 · finish clock +46:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jeff | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:34 | 6:46 | +1:48 |
| Stairs to Windy Gap | 6:24 | 5:03 | +1:21 |
| Windy Gap to Muir Woods | 6:13 | 5:20 | +0:53 |
| Muir Woods to Cardiac | 28:16 | 20:26 | +7:50 |
| Cardiac to White Gate | 14:29 | 11:52 | +2:37 |
| White Gate to The Stile | 7:15 | 5:54 | +1:21 |
| The Stile to Finish | 2:04 | 1:41 | +0:23 |
Δ negative = Jeff ran the segment faster.