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
OfficialSummit Kendall
#415 · 1:13:58 · M14 · Group V · INV
Wave start 8:20 AM (V-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; Summit (V-INV) started at 8:20 AM. That gave Kelly a 5 minutes head start on Summit. On foot, Kelly ran 1:18:54 and Summit ran 1:13:58 — Summit was 4:56 faster than Kelly. Kelly took official place 412th (time-based 609th) and Summit took official place 415th (time-based 450th). Kelly's head start was enough to flip the official order even though Summit was faster on foot. Biggest swing: Summit gained 1:49 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Kelly A O'Mara (P-INV) started 5 min earlier than Summit (V-INV).
- Overall place Δ
- -3
- Actual time Δ
- +4:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Kelly earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- +7
Δ = Kelly − Summit. Negative means Kelly is ahead/faster.
Race timeline
Computed- Kelly (P-INV) started at 8:15 AM.
- Summit (V-INV) started at 8:20 AM, 5:00 later.
- Actual running time: Summit was 4:56 faster on foot than Kelly.
- Finish clock: Kelly crossed the line 0:04 ahead of Summit — Kelly wins this head-to-head.
Δ (A − B): actual +4:56 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Kelly | Summit | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:52 | 8:10 | +0:42 |
| Stairs to Windy Gap | 6:27 | 6:03 | +0:24 |
| Windy Gap to Muir Woods | 6:21 | 6:01 | +0:20 |
| Muir Woods to Cardiac | 30:10 | 28:21 | +1:49 |
| Cardiac to White Gate | 16:40 | 15:47 | +0:53 |
| White Gate to The Stile | 8:07 | 7:27 | +0:40 |
| The Stile to Finish | 2:17 | 2:09 | +0:08 |
Δ negative = Kelly ran the segment faster.