Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn McLaughlin
#570 · 1:23:14 · M71 · Group B · DR
Wave start 8:30 AM (B-DR)
Athlete B
OfficialGiancarlo Cortes
#568 · 1:03:05 · M17 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
John (B-DR) started at 8:30 AM; Giancarlo (Y-DR) started at 8:50 AM. That gave John a 20 minutes head start on Giancarlo. On foot, John ran 1:23:14 and Giancarlo ran 1:03:05 — Giancarlo was 20:09 faster than John. John took official place 570th (time-based 747th) and Giancarlo took official place 568th (time-based 137th). Giancarlo was faster on foot and finished ahead on the official clock too. Biggest swing: Giancarlo gained 7:15 from Cardiac to White Gate.
Deltas
ComputedWave start
John McLaughlin (B-DR) started 20 min earlier than Giancarlo (Y-DR).
- Overall place Δ
- +2
- Actual time Δ
- +20:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 20 min (John earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- -8
Δ = John − Giancarlo. Negative means John is ahead/faster.
Race timeline
Computed- John (B-DR) started at 8:30 AM.
- Giancarlo (Y-DR) started at 8:50 AM, 20:00 later.
- Actual running time: Giancarlo was 20:09 faster on foot than John.
- Finish clock: Giancarlo crossed the line 0:09 ahead of John — Giancarlo wins this head-to-head.
Δ (A − B): actual +20:09 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Giancarlo | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:21 | 7:06 | +2:15 |
| Stairs to Windy Gap | 6:50 | 5:39 | +1:11 |
| Windy Gap to Muir Woods | 8:54 | 5:49 | +3:05 |
| Muir Woods to Cardiac | 26:56 | 23:31 | +3:25 |
| Cardiac to White Gate | 20:16 | 13:01 | +7:15 |
| White Gate to The Stile | 8:48 | 6:11 | +2:37 |
| The Stile to Finish | 2:09 | 1:48 | +0:21 |
Δ negative = John ran the segment faster.