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
OfficialAaron Kaplan
#398 · 1:09:16 · M29 · 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
Rob (T-INV) started at 8:18 AM; Aaron (Z-INV) started at 8:24 AM. That gave Rob a 6 minutes head start on Aaron. On foot, Rob ran 1:15:07 and Aaron ran 1:09:16 — Aaron was 5:51 faster than Rob. Rob took official place 394th (time-based 485th) and Aaron took official place 398th (time-based 300th). Rob's head start was enough to flip the official order even though Aaron was faster on foot. Biggest swing: Aaron gained 3:31 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Rob Spinosa (T-INV) started 6 min earlier than Aaron (Z-INV).
- Overall place Δ
- -4
- Actual time Δ
- +5:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Rob earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- -33
Δ = Rob − Aaron. Negative means Rob is ahead/faster.
Race timeline
Computed- Rob (T-INV) started at 8:18 AM.
- Aaron (Z-INV) started at 8:24 AM, 6:00 later.
- Actual running time: Aaron was 5:51 faster on foot than Rob.
- Finish clock: Rob crossed the line 0:09 ahead of Aaron — Rob wins this head-to-head.
Δ (A − B): actual +5:51 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Rob | Aaron | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:28 | 8:04 | +0:24 |
| Stairs to Windy Gap | 6:51 | 6:05 | +0:46 |
| Windy Gap to Muir Woods | 5:43 | 5:57 | -0:14 |
| Muir Woods to Cardiac | 29:13 | 25:42 | +3:31 |
| Cardiac to White Gate | 15:23 | 14:25 | +0:58 |
| White Gate to The Stile | 7:18 | 7:05 | +0:13 |
| The Stile to Finish | 2:11 | 1:58 | +0:13 |
Δ negative = Rob ran the segment faster.