Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn P Cassidy
#517 · 1:23:17 · M46 · Group W · INV
Wave start 8:21 AM (W-INV)
Athlete B
OfficialAlden E Besse
#519 · 1:32:22 · M9 · Group L · INV
Wave start 8:12 AM (L-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
John (W-INV) started at 8:21 AM; Alden (L-INV) started at 8:12 AM. That gave Alden a 9 minutes head start on John. On foot, John ran 1:23:17 and Alden ran 1:32:22 — John was 9:05 faster than Alden. John took official place 517th (time-based 749th) and Alden took official place 519th (time-based 951st). John was faster on foot and finished ahead on the official clock too. Biggest swing: John gained 4:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Alden E Besse (L-INV) started 9 min earlier than John (W-INV).
- Overall place Δ
- -2
- Actual time Δ
- -9:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Alden earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- +17
Δ = John − Alden. Negative means John is ahead/faster.
Race timeline
Computed- Alden (L-INV) started at 8:12 AM.
- John (W-INV) started at 8:21 AM, 9:00 later.
- Actual running time: John was 9:05 faster on foot than Alden.
- Finish clock: John crossed the line 0:05 ahead of Alden — John wins this head-to-head.
Δ (A − B): actual -9:05 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Alden | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:07 | 8:59 | +0:08 |
| Stairs to Windy Gap | 7:02 | 8:02 | -1:00 |
| Windy Gap to Muir Woods | 6:12 | 8:14 | -2:02 |
| Muir Woods to Cardiac | 33:58 | 38:38 | -4:40 |
| Cardiac to White Gate | 16:51 | 17:38 | -0:47 |
| White Gate to The Stile | 8:01 | 8:42 | -0:41 |
| The Stile to Finish | 2:06 | 2:09 | -0:03 |
Δ negative = John ran the segment faster.