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
OfficialMatthew J Barkovich
#396 · 1:10:10 · M38 · Group Y · INV
Wave start 8:23 AM (Y-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; Matthew (Y-INV) started at 8:23 AM. That gave Rob a 5 minutes head start on Matthew. On foot, Rob ran 1:15:07 and Matthew ran 1:10:10 — Matthew was 4:57 faster than Rob. Rob took official place 394th (time-based 485th) and Matthew took official place 396th (time-based 331st). Rob's head start was enough to flip the official order even though Matthew was faster on foot. Biggest swing: Matthew gained 3:08 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Rob Spinosa (T-INV) started 5 min earlier than Matthew (Y-INV).
- Overall place Δ
- -2
- Actual time Δ
- +4:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Rob earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- -60
Δ = Rob − Matthew. Negative means Rob is ahead/faster.
Race timeline
Computed- Rob (T-INV) started at 8:18 AM.
- Matthew (Y-INV) started at 8:23 AM, 5:00 later.
- Actual running time: Matthew was 4:57 faster on foot than Rob.
- Finish clock: Rob crossed the line 0:03 ahead of Matthew — Rob wins this head-to-head.
Δ (A − B): actual +4:57 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Rob | Matthew | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:28 | 7:53 | +0:35 |
| Stairs to Windy Gap | 6:51 | 6:04 | +0:47 |
| Windy Gap to Muir Woods | 5:43 | 6:27 | -0:44 |
| Muir Woods to Cardiac | 29:13 | 26:05 | +3:08 |
| Cardiac to White Gate | 15:23 | 14:30 | +0:53 |
| White Gate to The Stile | 7:18 | 7:10 | +0:08 |
| The Stile to Finish | 2:11 | 2:01 | +0:10 |
Δ negative = Rob ran the segment faster.