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 J Broom
#111 · 1:03:23 · M48 · 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
Isabella (Q-INV) started at 8:16 AM; Michael (V-INV) started at 8:20 AM. That gave Isabella a 4 minutes head start on Michael. On foot, Isabella ran 1:07:33 and Michael ran 1:03:23 — Michael was 4:10 faster than Isabella. Isabella took official place 115th (time-based 249th) and Michael took official place 111th (time-based 145th). Michael was faster on foot and finished ahead on the official clock too. Biggest swing: Michael gained 2:37 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabella G Amyx (Q-INV) started 4 min earlier than Michael (V-INV).
- Overall place Δ
- +4
- Actual time Δ
- +4:10
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Isabella earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- +11
Δ = Isabella − Michael. Negative means Isabella is ahead/faster.
Race timeline
Computed- Isabella (Q-INV) started at 8:16 AM.
- Michael (V-INV) started at 8:20 AM, 4:00 later.
- Actual running time: Michael was 4:10 faster on foot than Isabella.
- Finish clock: Michael crossed the line 0:10 ahead of Isabella — Michael wins this head-to-head.
Δ (A − B): actual +4:10 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Isabella | Michael | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:20 | 7:26 | +0:54 |
| Stairs to Windy Gap | 6:19 | 5:21 | +0:58 |
| Windy Gap to Muir Woods | 5:24 | 5:14 | +0:10 |
| Muir Woods to Cardiac | 26:32 | 23:55 | +2:37 |
| Cardiac to White Gate | 12:38 | 13:06 | -0:28 |
| White Gate to The Stile | 6:39 | 6:27 | +0:12 |
| The Stile to Finish | 1:41 | 1:54 | -0:13 |
Δ negative = Isabella ran the segment faster.