Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialLarry A Baerveldt
#401 · 1:21:22 · M62 · Group L · INV
Wave start 8:12 AM (L-INV)
Athlete B
OfficialDavid T Lam
#397 · 1:10:15 · M41 · Group Y · INV
Wave start 8:23 AM (Y-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
Larry (L-INV) started at 8:12 AM; David (Y-INV) started at 8:23 AM. That gave Larry a 11 minutes head start on David. On foot, Larry ran 1:21:22 and David ran 1:10:15 — David was 11:07 faster than Larry. Larry took official place 401st (time-based 689th) and David took official place 397th (time-based 334th). David was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 5:03 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Larry A Baerveldt (L-INV) started 11 min earlier than David (Y-INV).
- Overall place Δ
- +4
- Actual time Δ
- +11:07
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Larry earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- -58
Δ = Larry − David. Negative means Larry is ahead/faster.
Race timeline
Computed- Larry (L-INV) started at 8:12 AM.
- David (Y-INV) started at 8:23 AM, 11:00 later.
- Actual running time: David was 11:07 faster on foot than Larry.
- Finish clock: David crossed the line 0:07 ahead of Larry — David wins this head-to-head.
Δ (A − B): actual +11:07 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Larry | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:54 | 8:16 | +1:38 |
| Stairs to Windy Gap | 7:22 | 6:05 | +1:17 |
| Windy Gap to Muir Woods | 6:35 | 5:36 | +0:59 |
| Muir Woods to Cardiac | 31:29 | 26:26 | +5:03 |
| Cardiac to White Gate | 15:57 | 14:53 | +1:04 |
| White Gate to The Stile | 7:43 | 7:07 | +0:36 |
| The Stile to Finish | 2:22 | 1:52 | +0:30 |
Δ negative = Larry ran the segment faster.