Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTyler Kolligian
#366 · 1:09:22 · M34 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialDavid M Strand
#362 · 1:29:14 · M71 · Group B · INV
Wave start 8:03 AM (B-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
Tyler (Y-INV) started at 8:23 AM; David (B-INV) started at 8:03 AM. That gave David a 20 minutes head start on Tyler. On foot, Tyler ran 1:09:22 and David ran 1:29:14 — Tyler was 19:52 faster than David. Tyler took official place 366th (time-based 306th) and David took official place 362nd (time-based 890th). David's head start was enough to flip the official order even though Tyler was faster on foot. Biggest swing: Tyler gained 9:16 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David M Strand (B-INV) started 20 min earlier than Tyler (Y-INV).
- Overall place Δ
- +4
- Actual time Δ
- -19:52
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 20 min (David earlier)
- Finish clock Δ
- +0:08
- Section place Δ
- +60
Δ = Tyler − David. Negative means Tyler is ahead/faster.
Race timeline
Computed- David (B-INV) started at 8:03 AM.
- Tyler (Y-INV) started at 8:23 AM, 20:00 later.
- Actual running time: Tyler was 19:52 faster on foot than David.
- Finish clock: David crossed the line 0:08 ahead of Tyler — David wins this head-to-head.
Δ (A − B): actual -19:52 · finish clock +0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tyler | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:57 | 9:54 | -1:57 |
| Stairs to Windy Gap | 5:49 | 7:48 | -1:59 |
| Windy Gap to Muir Woods | 5:21 | 6:47 | -1:26 |
| Muir Woods to Cardiac | 26:33 | 35:49 | -9:16 |
| Cardiac to White Gate | 14:30 | 17:12 | -2:42 |
| White Gate to The Stile | 7:14 | 9:09 | -1:55 |
| The Stile to Finish | 1:58 | 2:35 | -0:37 |
Δ negative = Tyler ran the segment faster.