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 A Smith
#404 · 1:18:31 · M58 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialLarry A Baerveldt
#401 · 1:21:22 · M62 · Group L · INV
Wave start 8:12 AM (L-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 (P-INV) started at 8:15 AM; Larry (L-INV) started at 8:12 AM. That gave Larry a 3 minutes head start on David. On foot, David ran 1:18:31 and Larry ran 1:21:22 — David was 2:51 faster than Larry. David took official place 404th (time-based 594th) and Larry took official place 401st (time-based 689th). Larry's head start was enough to flip the official order even though David was faster on foot. Biggest swing: David gained 1:33 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Larry A Baerveldt (L-INV) started 3 min earlier than David (P-INV).
- Overall place Δ
- +3
- Actual time Δ
- -2:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Larry earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- +15
Δ = David − Larry. Negative means David is ahead/faster.
Race timeline
Computed- Larry (L-INV) started at 8:12 AM.
- David (P-INV) started at 8:15 AM, 3:00 later.
- Actual running time: David was 2:51 faster on foot than Larry.
- Finish clock: Larry crossed the line 0:09 ahead of David — Larry wins this head-to-head.
Δ (A − B): actual -2:51 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Larry | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:14 | 9:54 | -0:40 |
| Stairs to Windy Gap | 6:45 | 7:22 | -0:37 |
| Windy Gap to Muir Woods | 6:35 | 6:35 | ±0:00 |
| Muir Woods to Cardiac | 29:56 | 31:29 | -1:33 |
| Cardiac to White Gate | 16:01 | 15:57 | +0:04 |
| White Gate to The Stile | 7:54 | 7:43 | +0:11 |
| The Stile to Finish | 2:06 | 2:22 | -0:16 |
Δ negative = David ran the segment faster.