Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKelly A O'Mara
#412 · 1:18:54 · F41 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialJason P Reed
#413 · 1:12:56 · M47 · Group W · INV
Wave start 8:21 AM (W-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
Kelly (P-INV) started at 8:15 AM; Jason (W-INV) started at 8:21 AM. That gave Kelly a 6 minutes head start on Jason. On foot, Kelly ran 1:18:54 and Jason ran 1:12:56 — Jason was 5:58 faster than Kelly. Kelly took official place 412th (time-based 609th) and Jason took official place 413th (time-based 424th). 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 = Kelly − Jason. Negative means Kelly 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 | Kelly | Jason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:52 | 8:25 | +0:27 |
| Stairs to Windy Gap | 6:27 | 6:30 | -0:03 |
| Windy Gap to Muir Woods | 6:21 | 6:01 | +0:20 |
| Muir Woods to Cardiac | 30:10 | 28:13 | +1:57 |
| Cardiac to White Gate | 16:40 | 14:47 | +1:53 |
| White Gate to The Stile | 8:07 | 7:02 | +1:05 |
| The Stile to Finish | 2:17 | 1:58 | +0:19 |
Δ negative = Kelly ran the segment faster.