Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialCraig Karlson
#370 · 1:08:28 · M31 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialDavid Youmans
#373 · 1:11:31 · M46 · Group W · INV
Wave start 8:21 AM (W-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
Craig (Z-INV) started at 8:24 AM; David (W-INV) started at 8:21 AM. That gave David a 3 minutes head start on Craig. On foot, Craig ran 1:08:28 and David ran 1:11:31 — Craig was 3:03 faster than David. Craig took official place 370th (time-based 271st) and David took official place 373rd (time-based 372nd). Craig was faster on foot and finished ahead on the official clock too. Biggest swing: Craig gained 1:39 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Youmans (W-INV) started 3 min earlier than Craig (Z-INV).
- Overall place Δ
- -3
- Actual time Δ
- -3:03
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (David earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- +18
Δ = Craig − David. Negative means Craig is ahead/faster.
Race timeline
Computed- David (W-INV) started at 8:21 AM.
- Craig (Z-INV) started at 8:24 AM, 3:00 later.
- Actual running time: Craig was 3:03 faster on foot than David.
- Finish clock: Craig crossed the line 0:03 ahead of David — Craig wins this head-to-head.
Δ (A − B): actual -3:03 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Craig | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:23 | 8:11 | -0:48 |
| Stairs to Windy Gap | 6:35 | 6:13 | +0:22 |
| Windy Gap to Muir Woods | 5:34 | 5:52 | -0:18 |
| Muir Woods to Cardiac | 26:09 | 27:48 | -1:39 |
| Cardiac to White Gate | 13:56 | 14:32 | -0:36 |
| White Gate to The Stile | 7:02 | 7:01 | +0:01 |
| The Stile to Finish | 1:49 | 1:54 | -0:05 |
Δ negative = Craig ran the segment faster.