Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDesmond E Prindiville
#15 · 55:57 · M14 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialJeffrey A Stern
#19 · 53:25 · M39 · Group Y · INV
Wave start 8:23 AM (Y-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
Desmond (V-INV) started at 8:20 AM; Jeffrey (Y-INV) started at 8:23 AM. That gave Desmond a 3 minutes head start on Jeffrey. On foot, Desmond ran 55:57 and Jeffrey ran 53:25 — Jeffrey was 2:32 faster than Desmond. Desmond took official place 15th (time-based 23rd) and Jeffrey took official place 19th (time-based 10th). Desmond's head start was enough to flip the official order even though Jeffrey was faster on foot. Biggest swing: Jeffrey gained 1:17 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Desmond E Prindiville (V-INV) started 3 min earlier than Jeffrey (Y-INV).
- Overall place Δ
- -4
- Actual time Δ
- +2:32
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Desmond earlier)
- Finish clock Δ
- -0:28
- Section place Δ
- -1
Δ = Desmond − Jeffrey. Negative means Desmond is ahead/faster.
Race timeline
Computed- Desmond (V-INV) started at 8:20 AM.
- Jeffrey (Y-INV) started at 8:23 AM, 3:00 later.
- Actual running time: Jeffrey was 2:32 faster on foot than Desmond.
- Finish clock: Desmond crossed the line 0:28 ahead of Jeffrey — Desmond wins this head-to-head.
Δ (A − B): actual +2:32 · finish clock -0:28.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Desmond | Jeffrey | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:36 | 6:15 | +0:21 |
| Stairs to Windy Gap | 4:48 | 4:48 | ±0:00 |
| Windy Gap to Muir Woods | 5:10 | 4:45 | +0:25 |
| Muir Woods to Cardiac | 21:01 | 19:44 | +1:17 |
| Cardiac to White Gate | 11:14 | 10:43 | +0:31 |
| White Gate to The Stile | 5:38 | 5:35 | +0:03 |
| The Stile to Finish | 1:30 | 1:35 | -0:05 |
Δ negative = Desmond ran the segment faster.