Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJason P Reed
#413 · 1:12:56 · M47 · Group W · INV
Wave start 8:21 AM (W-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
Jason (W-INV) started at 8:21 AM; Kelly (P-INV) started at 8:15 AM. That gave Kelly a 6 minutes head start on Jason. On foot, Jason ran 1:12:56 and Kelly ran 1:18:54 — Jason was 5:58 faster than Kelly. Jason took official place 413th (time-based 424th) and Kelly took official place 412th (time-based 609th). Kelly's head start was enough to flip the official order even though Jason was faster on foot. Biggest swing: Jason gained 1:57 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Kelly A O'Mara (P-INV) started 6 min earlier than Jason (W-INV).
- Overall place Δ
- +1
- Actual time Δ
- -5:58
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Kelly earlier)
- Finish clock Δ
- +0:02
- Section place Δ
- -3
Δ = Jason − Kelly. Negative means Jason is ahead/faster.
Race timeline
Computed- Kelly (P-INV) started at 8:15 AM.
- Jason (W-INV) started at 8:21 AM, 6:00 later.
- Actual running time: Jason was 5:58 faster on foot than Kelly.
- Finish clock: Kelly crossed the line 0:02 ahead of Jason — Kelly wins this head-to-head.
Δ (A − B): actual -5:58 · finish clock +0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jason | Kelly | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:25 | 8:52 | -0:27 |
| Stairs to Windy Gap | 6:30 | 6:27 | +0:03 |
| Windy Gap to Muir Woods | 6:01 | 6:21 | -0:20 |
| Muir Woods to Cardiac | 28:13 | 30:10 | -1:57 |
| Cardiac to White Gate | 14:47 | 16:40 | -1:53 |
| White Gate to The Stile | 7:02 | 8:07 | -1:05 |
| The Stile to Finish | 1:58 | 2:17 | -0:19 |
Δ negative = Jason ran the segment faster.