Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialWill F Guzick
#74 · 58:37 · M37 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialKevin M Head
#72 · 1:06:36 · M59 · Group P · INV
Wave start 8:15 AM (P-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
Will (Y-INV) started at 8:23 AM; Kevin (P-INV) started at 8:15 AM. That gave Kevin a 8 minutes head start on Will. On foot, Will ran 58:37 and Kevin ran 1:06:36 — Will was 7:59 faster than Kevin. Will took official place 74th (time-based 45th) and Kevin took official place 72nd (time-based 220th). Kevin's head start was enough to flip the official order even though Will was faster on foot. Biggest swing: Will gained 3:48 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Kevin M Head (P-INV) started 8 min earlier than Will (Y-INV).
- Overall place Δ
- +2
- Actual time Δ
- -7:59
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Kevin earlier)
- Finish clock Δ
- +0:01
- Section place Δ
- +9
Δ = Will − Kevin. Negative means Will is ahead/faster.
Race timeline
Computed- Kevin (P-INV) started at 8:15 AM.
- Will (Y-INV) started at 8:23 AM, 8:00 later.
- Actual running time: Will was 7:59 faster on foot than Kevin.
- Finish clock: Kevin crossed the line 0:01 ahead of Will — Kevin wins this head-to-head.
Δ (A − B): actual -7:59 · finish clock +0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Will | Kevin | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:54 | 8:08 | -1:14 |
| Stairs to Windy Gap | 5:05 | 5:51 | -0:46 |
| Windy Gap to Muir Woods | 5:07 | 5:22 | -0:15 |
| Muir Woods to Cardiac | 22:02 | 25:50 | -3:48 |
| Cardiac to White Gate | 11:38 | 12:47 | -1:09 |
| White Gate to The Stile | 5:58 | 6:40 | -0:42 |
| The Stile to Finish | 1:53 | 1:58 | -0:05 |
Δ negative = Will ran the segment faster.