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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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; Edward (Z-INV) started at 8:24 AM. That gave Edward a 1 minute head start on Jacob. On foot, Jacob ran 54:40 and Edward ran 48:29 — Edward was 6:11 faster than Jacob. Jacob took official place 48th (time-based 17th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 3:15 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 1 min earlier than Jacob (SCR-INV).
- Overall place Δ
- +46
- Actual time Δ
- +6:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Edward earlier)
- Finish clock Δ
- +7:11
- Section place Δ
- +3
Δ = Jacob − Edward. Negative means Jacob is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Jacob (SCR-INV) started at 8:25 AM, 1:00 later.
- Actual running time: Edward was 6:11 faster on foot than Jacob.
- Finish clock: Edward crossed the line 7:11 ahead of Jacob — Edward wins this head-to-head.
Δ (A − B): actual +6:11 · finish clock +7:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jacob | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:30 | 5:48 | +0:42 |
| Stairs to Windy Gap | 4:39 | 4:17 | +0:22 |
| Windy Gap to Muir Woods | 4:41 | 4:16 | +0:25 |
| Muir Woods to Cardiac | 21:07 | 17:52 | +3:15 |
| Cardiac to White Gate | 10:40 | 9:40 | +1:00 |
| White Gate to The Stile | 5:23 | 5:03 | +0:20 |
| The Stile to Finish | 1:40 | 1:33 | +0:07 |
Δ negative = Jacob ran the segment faster.