Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJacob Mandel
#48 · 54:40 · M23 · Group SCR · INV
Wave start 8:25 AM (SCR-INV)
Athlete B
OfficialAnna L Louden
#45 · 1:03:23 · F33 · Group Q · INV
Wave start 8:16 AM (Q-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
Jacob (SCR-INV) started at 8:25 AM; Anna (Q-INV) started at 8:16 AM. That gave Anna a 9 minutes head start on Jacob. On foot, Jacob ran 54:40 and Anna ran 1:03:23 — Jacob was 8:43 faster than Anna. Jacob took official place 48th (time-based 17th) and Anna took official place 45th (time-based 144th). Anna's head start was enough to flip the official order even though Jacob was faster on foot. Biggest swing: Jacob gained 2:34 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Anna L Louden (Q-INV) started 9 min earlier than Jacob (SCR-INV).
- Overall place Δ
- +3
- Actual time Δ
- -8:43
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Anna earlier)
- Finish clock Δ
- +0:17
- Section place Δ
- -7
Δ = Jacob − Anna. Negative means Jacob is ahead/faster.
Race timeline
Computed- Anna (Q-INV) started at 8:16 AM.
- Jacob (SCR-INV) started at 8:25 AM, 9:00 later.
- Actual running time: Jacob was 8:43 faster on foot than Anna.
- Finish clock: Anna crossed the line 0:17 ahead of Jacob — Anna wins this head-to-head.
Δ (A − B): actual -8:43 · finish clock +0:17.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jacob | Anna | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:30 | 7:48 | -1:18 |
| Stairs to Windy Gap | 4:39 | 5:39 | -1:00 |
| Windy Gap to Muir Woods | 4:41 | 5:37 | -0:56 |
| Muir Woods to Cardiac | 21:07 | 23:41 | -2:34 |
| Cardiac to White Gate | 10:40 | 12:36 | -1:56 |
| White Gate to The Stile | 5:23 | 6:06 | -0:43 |
| The Stile to Finish | 1:40 | 1:56 | -0:16 |
Δ negative = Jacob ran the segment faster.