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
OfficialMatthew Kleiman
#80 · 56:48 · M24 · Group SCR · INV
Wave start 8:25 AM (SCR-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; Matthew (SCR-INV) started at 8:25 AM. That gave Mark a 9 minutes head start on Matthew. On foot, Mark ran 1:05:42 and Matthew ran 56:48 — Matthew was 8:54 faster than Mark. Mark took official place 76th (time-based 199th) and Matthew took official place 80th (time-based 29th). Mark's head start was enough to flip the official order even though Matthew was faster on foot. Biggest swing: Matthew gained 2:10 from Cardiac to White Gate.
Deltas
ComputedWave start
Mark Callon (Q-INV) started 9 min earlier than Matthew (SCR-INV).
- Overall place Δ
- -4
- Actual time Δ
- +8:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Mark earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- +8
Δ = Mark − Matthew. Negative means Mark is ahead/faster.
Race timeline
Computed- Mark (Q-INV) started at 8:16 AM.
- Matthew (SCR-INV) started at 8:25 AM, 9:00 later.
- Actual running time: Matthew was 8:54 faster on foot than Mark.
- Finish clock: Mark crossed the line 0:06 ahead of Matthew — Mark wins this head-to-head.
Δ (A − B): actual +8:54 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Matthew | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:25 | 6:18 | +1:07 |
| Stairs to Windy Gap | 5:30 | 4:38 | +0:52 |
| Windy Gap to Muir Woods | 5:43 | 4:31 | +1:12 |
| Muir Woods to Cardiac | 23:32 | 22:03 | +1:29 |
| Cardiac to White Gate | 14:02 | 11:52 | +2:10 |
| White Gate to The Stile | 7:39 | 5:53 | +1:46 |
| The Stile to Finish | 1:51 | 1:33 | +0:18 |
Δ negative = Mark ran the segment faster.