Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialGreg Lynch
#455 · 1:12:35 · M40 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialPeter B Delahunt
#459 · 1:23:40 · M62 · 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
Greg (Y-INV) started at 8:23 AM; Peter (L-INV) started at 8:12 AM. That gave Peter a 11 minutes head start on Greg. On foot, Greg ran 1:12:35 and Peter ran 1:23:40 — Greg was 11:05 faster than Peter. Greg took official place 455th (time-based 410th) and Peter took official place 459th (time-based 758th). Greg was faster on foot and finished ahead on the official clock too. Biggest swing: Greg gained 3:54 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Peter B Delahunt (L-INV) started 11 min earlier than Greg (Y-INV).
- Overall place Δ
- -4
- Actual time Δ
- -11:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Peter earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- +64
Δ = Greg − Peter. Negative means Greg is ahead/faster.
Race timeline
Computed- Peter (L-INV) started at 8:12 AM.
- Greg (Y-INV) started at 8:23 AM, 11:00 later.
- Actual running time: Greg was 11:05 faster on foot than Peter.
- Finish clock: Greg crossed the line 0:05 ahead of Peter — Greg wins this head-to-head.
Δ (A − B): actual -11:05 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Greg | Peter | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:27 | 9:49 | -1:22 |
| Stairs to Windy Gap | 6:18 | 6:56 | -0:38 |
| Windy Gap to Muir Woods | 5:53 | 7:01 | -1:08 |
| Muir Woods to Cardiac | 28:04 | 31:58 | -3:54 |
| Cardiac to White Gate | 14:35 | 17:13 | -2:38 |
| White Gate to The Stile | 7:07 | 8:16 | -1:09 |
| The Stile to Finish | 2:11 | 2:27 | -0:16 |
Δ negative = Greg ran the segment faster.