Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMark Alan Biedlingmaier
#645 · 1:09:26 · M32 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Athlete B
OfficialTommy Shields
#644 · 1:10:24 · M34 · Group Y · DR
Wave start 8:50 AM (Y-DR)
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
Mark (Z-DR) started at 8:51 AM; Tommy (Y-DR) started at 8:50 AM. That gave Tommy a 1 minute head start on Mark. On foot, Mark ran 1:09:26 and Tommy ran 1:10:24 — Mark was 0:58 faster than Tommy. Mark took official place 645th (time-based 308th) and Tommy took official place 644th (time-based 338th). Tommy's head start was enough to flip the official order even though Mark was faster on foot. Biggest swing: Mark gained 0:56 from Cardiac to White Gate.
Deltas
ComputedWave start
Tommy Shields (Y-DR) started 1 min earlier than Mark (Z-DR).
- Overall place Δ
- +1
- Actual time Δ
- -0:58
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Tommy earlier)
- Finish clock Δ
- +0:02
- Section place Δ
- -8
Δ = Mark − Tommy. Negative means Mark is ahead/faster.
Race timeline
Computed- Tommy (Y-DR) started at 8:50 AM.
- Mark (Z-DR) started at 8:51 AM, 1:00 later.
- Actual running time: Mark was 0:58 faster on foot than Tommy.
- Finish clock: Tommy crossed the line 0:02 ahead of Mark — Tommy wins this head-to-head.
Δ (A − B): actual -0:58 · finish clock +0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Tommy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:26 | 8:19 | +0:07 |
| Stairs to Windy Gap | 7:00 | 6:09 | +0:51 |
| Windy Gap to Muir Woods | 5:46 | 5:47 | -0:01 |
| Muir Woods to Cardiac | 27:17 | 27:32 | -0:15 |
| Cardiac to White Gate | 12:58 | 13:54 | -0:56 |
| White Gate to The Stile | 6:21 | 6:58 | -0:37 |
| The Stile to Finish | 1:38 | 1:45 | -0:07 |
Δ negative = Mark ran the segment faster.