Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIsabella G Amyx
#115 · 1:07:33 · F28 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialMichael P Grady
#120 · 1:01:45 · M43 · Group X · INV
Wave start 8:22 AM (X-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
Isabella (Q-INV) started at 8:16 AM; Michael (X-INV) started at 8:22 AM. That gave Isabella a 6 minutes head start on Michael. On foot, Isabella ran 1:07:33 and Michael ran 1:01:45 — Michael was 5:48 faster than Isabella. Isabella took official place 115th (time-based 249th) and Michael took official place 120th (time-based 103rd). Isabella's head start was enough to flip the official order even though Michael was faster on foot. Biggest swing: Michael gained 3:30 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabella G Amyx (Q-INV) started 6 min earlier than Michael (X-INV).
- Overall place Δ
- -5
- Actual time Δ
- +5:48
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Isabella earlier)
- Finish clock Δ
- -0:12
- Section place Δ
- +13
Δ = Isabella − Michael. Negative means Isabella is ahead/faster.
Race timeline
Computed- Isabella (Q-INV) started at 8:16 AM.
- Michael (X-INV) started at 8:22 AM, 6:00 later.
- Actual running time: Michael was 5:48 faster on foot than Isabella.
- Finish clock: Isabella crossed the line 0:12 ahead of Michael — Isabella wins this head-to-head.
Δ (A − B): actual +5:48 · finish clock -0:12.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Isabella | Michael | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:20 | 6:58 | +1:22 |
| Stairs to Windy Gap | 6:19 | 5:31 | +0:48 |
| Windy Gap to Muir Woods | 5:24 | 5:13 | +0:11 |
| Muir Woods to Cardiac | 26:32 | 23:02 | +3:30 |
| Cardiac to White Gate | 12:38 | 12:44 | -0:06 |
| White Gate to The Stile | 6:39 | 6:26 | +0:13 |
| The Stile to Finish | 1:41 | 1:51 | -0:10 |
Δ negative = Isabella ran the segment faster.