Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid Leipsic
#516 · 1:31:14 · M61 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
David (M-INV) started at 8:13 AM; Edward (Z-INV) started at 8:24 AM. That gave David a 11 minutes head start on Edward. On foot, David ran 1:31:14 and Edward ran 48:29 — Edward was 42:45 faster than David. David took official place 516th (time-based 931st) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 15:32 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Leipsic (M-INV) started 11 min earlier than Edward (Z-INV).
- Overall place Δ
- +514
- Actual time Δ
- +42:45
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (David earlier)
- Finish clock Δ
- +31:45
- Section place Δ
- +23
Δ = David − Edward. Negative means David is ahead/faster.
Race timeline
Computed- David (M-INV) started at 8:13 AM.
- Edward (Z-INV) started at 8:24 AM, 11:00 later.
- Actual running time: Edward was 42:45 faster on foot than David.
- Finish clock: Edward crossed the line 31:45 ahead of David — Edward wins this head-to-head.
Δ (A − B): actual +42:45 · finish clock +31:45.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:07 | 5:48 | +5:19 |
| Stairs to Windy Gap | 7:33 | 4:17 | +3:16 |
| Windy Gap to Muir Woods | 8:46 | 4:16 | +4:30 |
| Muir Woods to Cardiac | 33:24 | 17:52 | +15:32 |
| Cardiac to White Gate | 18:20 | 9:40 | +8:40 |
| White Gate to The Stile | 9:23 | 5:03 | +4:20 |
| The Stile to Finish | 2:41 | 1:33 | +1:08 |
Δ negative = David ran the segment faster.