Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialThomas M Smith
#158 · 1:03:09 · M44 · Group X · INV
Wave start 8:22 AM (X-INV)
Athlete B
OfficialIzzy Dahlke
#159 · 1:09:10 · F30 · Group Q · INV
Wave start 8:16 AM (Q-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
Thomas (X-INV) started at 8:22 AM; Izzy (Q-INV) started at 8:16 AM. That gave Izzy a 6 minutes head start on Thomas. On foot, Thomas ran 1:03:09 and Izzy ran 1:09:10 — Thomas was 6:01 faster than Izzy. Thomas took official place 158th (time-based 138th) and Izzy took official place 159th (time-based 297th). Thomas was faster on foot and finished ahead on the official clock too. Biggest swing: Thomas gained 2:19 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Izzy Dahlke (Q-INV) started 6 min earlier than Thomas (X-INV).
- Overall place Δ
- -1
- Actual time Δ
- -6:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Izzy earlier)
- Finish clock Δ
- -0:01
- Section place Δ
- -16
Δ = Thomas − Izzy. Negative means Thomas is ahead/faster.
Race timeline
Computed- Izzy (Q-INV) started at 8:16 AM.
- Thomas (X-INV) started at 8:22 AM, 6:00 later.
- Actual running time: Thomas was 6:01 faster on foot than Izzy.
- Finish clock: Thomas crossed the line 0:01 ahead of Izzy — Thomas wins this head-to-head.
Δ (A − B): actual -6:01 · finish clock -0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Thomas | Izzy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:31 | 7:54 | -0:23 |
| Stairs to Windy Gap | 5:47 | 6:04 | -0:17 |
| Windy Gap to Muir Woods | 4:57 | 6:00 | -1:03 |
| Muir Woods to Cardiac | 24:03 | 26:22 | -2:19 |
| Cardiac to White Gate | 13:03 | 14:05 | -1:02 |
| White Gate to The Stile | 6:08 | 6:53 | -0:45 |
| The Stile to Finish | 1:40 | 1:52 | -0:12 |
Δ negative = Thomas ran the segment faster.