Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRob Spinosa
#394 · 1:15:07 · M55 · Group T · INV
Wave start 8:18 AM (T-INV)
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
Rob (T-INV) started at 8:18 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 2 minutes head start on Rob. On foot, Rob ran 1:15:07 and Julia ran 57:02 — Julia was 18:05 faster than Rob. Rob took official place 394th (time-based 485th) 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 8:47 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 2 min earlier than Rob (T-INV).
- Overall place Δ
- +391
- Actual time Δ
- +18:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Julia earlier)
- Finish clock Δ
- +20:05
- Section place Δ
- +10
Δ = Rob − Julia. Negative means Rob is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Rob (T-INV) started at 8:18 AM, 2:00 later.
- Actual running time: Julia was 18:05 faster on foot than Rob.
- Finish clock: Julia crossed the line 20:05 ahead of Rob — Julia wins this head-to-head.
Δ (A − B): actual +18:05 · finish clock +20:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Rob | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:28 | 6:46 | +1:42 |
| Stairs to Windy Gap | 6:51 | 5:03 | +1:48 |
| Windy Gap to Muir Woods | 5:43 | 5:20 | +0:23 |
| Muir Woods to Cardiac | 29:13 | 20:26 | +8:47 |
| Cardiac to White Gate | 15:23 | 11:52 | +3:31 |
| White Gate to The Stile | 7:18 | 5:54 | +1:24 |
| The Stile to Finish | 2:11 | 1:41 | +0:30 |
Δ negative = Rob ran the segment faster.