Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDave Covey
#520 · 1:34:42 · M65 · Group J · INV
Wave start 8:10 AM (J-INV)
Athlete B
OfficialDavid Leipsic
#516 · 1:31:14 · M61 · Group M · INV
Wave start 8:13 AM (M-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
Dave (J-INV) started at 8:10 AM; David (M-INV) started at 8:13 AM. That gave Dave a 3 minutes head start on David. On foot, Dave ran 1:34:42 and David ran 1:31:14 — David was 3:28 faster than Dave. Dave took official place 520th (time-based 1001st) and David took official place 516th (time-based 931st). David was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 3:03 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Dave Covey (J-INV) started 3 min earlier than David (M-INV).
- Overall place Δ
- +4
- Actual time Δ
- +3:28
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Dave earlier)
- Finish clock Δ
- +0:28
- Section place Δ
- -16
Δ = Dave − David. Negative means Dave is ahead/faster.
Race timeline
Computed- Dave (J-INV) started at 8:10 AM.
- David (M-INV) started at 8:13 AM, 3:00 later.
- Actual running time: David was 3:28 faster on foot than Dave.
- Finish clock: David crossed the line 0:28 ahead of Dave — David wins this head-to-head.
Δ (A − B): actual +3:28 · finish clock +0:28.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Dave | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:29 | 11:07 | +0:22 |
| Stairs to Windy Gap | 8:32 | 7:33 | +0:59 |
| Windy Gap to Muir Woods | 7:10 | 8:46 | -1:36 |
| Muir Woods to Cardiac | 36:27 | 33:24 | +3:03 |
| Cardiac to White Gate | 19:12 | 18:20 | +0:52 |
| White Gate to The Stile | 9:18 | 9:23 | -0:05 |
| The Stile to Finish | 2:34 | 2:41 | -0:07 |
Δ negative = Dave ran the segment faster.