Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialShelby Logsdon
#1069 · 1:40:29 · F51 · Group L · DR
Wave start 8:39 AM (L-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
Shelby (L-DR) started at 8:39 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 23 minutes head start on Shelby because the Runner wave starts 27 minutes after the Invitational wave. On foot, Shelby ran 1:40:29 and Julia ran 57:02 — Julia was 43:27 faster than Shelby. Shelby took official place 1069th (time-based 1101st) 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 18:59 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 23 min earlier than Shelby (L-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1066
- Actual time Δ
- +43:27
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 23 min (Julia earlier)
- Finish clock Δ
- +1:06:27
- Section place Δ
- —
Δ = Shelby − Julia. Negative means Shelby is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Shelby (L-DR) started at 8:39 AM, 23:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 43:27 faster on foot than Shelby.
- Finish clock: Julia crossed the line 1:06:27 ahead of Shelby — Julia wins this head-to-head.
Δ (A − B): actual +43:27 · finish clock +1:06:27.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Shelby | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:51 | 6:46 | +6:05 |
| Stairs to Windy Gap | 9:29 | 5:03 | +4:26 |
| Windy Gap to Muir Woods | 7:20 | 5:20 | +2:00 |
| Muir Woods to Cardiac | 39:25 | 20:26 | +18:59 |
| Cardiac to White Gate | 19:29 | 11:52 | +7:37 |
| White Gate to The Stile | 9:06 | 5:54 | +3:12 |
| The Stile to Finish | 2:49 | 1:41 | +1:08 |
Δ negative = Shelby ran the segment faster.