Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBrian W McCurdy
#411 · 1:27:51 · M69 · Group E · INV
Wave start 8:06 AM (E-INV)
Athlete B
OfficialKelly A O'Mara
#412 · 1:18:54 · F41 · Group P · INV
Wave start 8:15 AM (P-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
Brian (E-INV) started at 8:06 AM; Kelly (P-INV) started at 8:15 AM. That gave Brian a 9 minutes head start on Kelly. On foot, Brian ran 1:27:51 and Kelly ran 1:18:54 — Kelly was 8:57 faster than Brian. Brian took official place 411th (time-based 860th) and Kelly took official place 412th (time-based 609th). Brian's head start was enough to flip the official order even though Kelly was faster on foot. Biggest swing: Kelly gained 2:45 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Brian W McCurdy (E-INV) started 9 min earlier than Kelly (P-INV).
- Overall place Δ
- -1
- Actual time Δ
- +8:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Brian earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- -26
Δ = Brian − Kelly. Negative means Brian is ahead/faster.
Race timeline
Computed- Brian (E-INV) started at 8:06 AM.
- Kelly (P-INV) started at 8:15 AM, 9:00 later.
- Actual running time: Kelly was 8:57 faster on foot than Brian.
- Finish clock: Brian crossed the line 0:03 ahead of Kelly — Brian wins this head-to-head.
Δ (A − B): actual +8:57 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Brian | Kelly | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:53 | 8:52 | +2:01 |
| Stairs to Windy Gap | 8:04 | 6:27 | +1:37 |
| Windy Gap to Muir Woods | 7:33 | 6:21 | +1:12 |
| Muir Woods to Cardiac | 32:55 | 30:10 | +2:45 |
| Cardiac to White Gate | 17:56 | 16:40 | +1:16 |
| White Gate to The Stile | 8:27 | 8:07 | +0:20 |
| The Stile to Finish | 2:03 | 2:17 | -0:14 |
Δ negative = Brian ran the segment faster.