Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMark Callon
#76 · 1:05:42 · M57 · Group Q · INV
Wave start 8:16 AM (Q-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
Mark (Q-INV) started at 8:16 AM; Kevin (P-INV) started at 8:15 AM. That gave Kevin a 1 minute head start on Mark. On foot, Mark ran 1:05:42 and Kevin ran 1:06:36 — Mark was 0:54 faster than Kevin. Mark took official place 76th (time-based 199th) and Kevin took official place 72nd (time-based 220th). Kevin's head start was enough to flip the official order even though Mark was faster on foot. Biggest swing: Mark gained 2:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Kevin M Head (P-INV) started 1 min earlier than Mark (Q-INV).
- Overall place Δ
- +4
- Actual time Δ
- -0:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Kevin earlier)
- Finish clock Δ
- +0:06
- Section place Δ
- +9
Δ = Mark − Kevin. Negative means Mark is ahead/faster.
Race timeline
Computed- Kevin (P-INV) started at 8:15 AM.
- Mark (Q-INV) started at 8:16 AM, 1:00 later.
- Actual running time: Mark was 0:54 faster on foot than Kevin.
- Finish clock: Kevin crossed the line 0:06 ahead of Mark — Kevin wins this head-to-head.
Δ (A − B): actual -0:54 · finish clock +0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Kevin | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:25 | 8:08 | -0:43 |
| Stairs to Windy Gap | 5:30 | 5:51 | -0:21 |
| Windy Gap to Muir Woods | 5:43 | 5:22 | +0:21 |
| Muir Woods to Cardiac | 23:32 | 25:50 | -2:18 |
| Cardiac to White Gate | 14:02 | 12:47 | +1:15 |
| White Gate to The Stile | 7:39 | 6:40 | +0:59 |
| The Stile to Finish | 1:51 | 1:58 | -0:07 |
Δ negative = Mark ran the segment faster.