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
OfficialJohn Hudson
#51 · 1:08:53 · M63 · Group K · INV
Wave start 8:11 AM (K-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; John (K-INV) started at 8:11 AM. That gave John a 14 minutes head start on Jacob. On foot, Jacob ran 54:40 and John ran 1:08:53 — Jacob was 14:13 faster than John. Jacob took official place 48th (time-based 17th) and John took official place 51st (time-based 287th). Jacob was faster on foot and finished ahead on the official clock too. Biggest swing: Jacob gained 5:06 from Muir Woods to Cardiac.
Deltas
ComputedWave start
John Hudson (K-INV) started 14 min earlier than Jacob (SCR-INV).
- Overall place Δ
- -3
- Actual time Δ
- -14:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 14 min (John earlier)
- Finish clock Δ
- -0:13
- Section place Δ
- +3
Δ = Jacob − John. Negative means Jacob is ahead/faster.
Race timeline
Computed- John (K-INV) started at 8:11 AM.
- Jacob (SCR-INV) started at 8:25 AM, 14:00 later.
- Actual running time: Jacob was 14:13 faster on foot than John.
- Finish clock: Jacob crossed the line 0:13 ahead of John — Jacob wins this head-to-head.
Δ (A − B): actual -14:13 · finish clock -0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jacob | John | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:30 | 7:53 | -1:23 |
| Stairs to Windy Gap | 4:39 | 6:29 | -1:50 |
| Windy Gap to Muir Woods | 4:41 | 5:46 | -1:05 |
| Muir Woods to Cardiac | 21:07 | 26:13 | -5:06 |
| Cardiac to White Gate | 10:40 | 13:30 | -2:50 |
| White Gate to The Stile | 5:23 | 6:50 | -1:27 |
| The Stile to Finish | 1:40 | 2:12 | -0:32 |
Δ negative = Jacob ran the segment faster.