Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialZach Griffin
#567 · 1:14:54 · M63 · Group K · DR
Wave start 8:38 AM (K-DR)
Athlete B
OfficialJohn McLaughlin
#570 · 1:23:14 · M71 · Group B · DR
Wave start 8:30 AM (B-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
Zach (K-DR) started at 8:38 AM; John (B-DR) started at 8:30 AM. That gave John a 8 minutes head start on Zach. On foot, Zach ran 1:14:54 and John ran 1:23:14 — Zach was 8:20 faster than John. Zach took official place 567th (time-based 477th) and John took official place 570th (time-based 747th). Zach was faster on foot and finished ahead on the official clock too. Biggest swing: Zach gained 5:40 from Cardiac to White Gate.
Deltas
ComputedWave start
John McLaughlin (B-DR) started 8 min earlier than Zach (K-DR).
- Overall place Δ
- -3
- Actual time Δ
- -8:20
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (John earlier)
- Finish clock Δ
- -0:20
- Section place Δ
- 0
Δ = Zach − John. Negative means Zach is ahead/faster.
Race timeline
Computed- John (B-DR) started at 8:30 AM.
- Zach (K-DR) started at 8:38 AM, 8:00 later.
- Actual running time: Zach was 8:20 faster on foot than John.
- Finish clock: Zach crossed the line 0:20 ahead of John — Zach wins this head-to-head.
Δ (A − B): actual -8:20 · finish clock -0:20.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Zach | John | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:02 | 9:21 | -0:19 |
| Stairs to Windy Gap | 6:57 | 6:50 | +0:07 |
| Windy Gap to Muir Woods | 5:58 | 8:54 | -2:56 |
| Muir Woods to Cardiac | 29:04 | 26:56 | +2:08 |
| Cardiac to White Gate | 14:36 | 20:16 | -5:40 |
| White Gate to The Stile | 7:08 | 8:48 | -1:40 |
| The Stile to Finish | 2:09 | 2:09 | ±0:00 |
Δ negative = Zach ran the segment faster.