Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIan Macallister
#452 · 1:15:31 · M49 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialGidon T Singer
#456 · 1:22:37 · M61 · Group M · INV
Wave start 8:13 AM (M-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
Ian (V-INV) started at 8:20 AM; Gidon (M-INV) started at 8:13 AM. That gave Gidon a 7 minutes head start on Ian. On foot, Ian ran 1:15:31 and Gidon ran 1:22:37 — Ian was 7:06 faster than Gidon. Ian took official place 452nd (time-based 502nd) and Gidon took official place 456th (time-based 724th). Ian was faster on foot and finished ahead on the official clock too. Biggest swing: Ian gained 3:48 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gidon T Singer (M-INV) started 7 min earlier than Ian (V-INV).
- Overall place Δ
- -4
- Actual time Δ
- -7:06
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Gidon earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- +5
Δ = Ian − Gidon. Negative means Ian is ahead/faster.
Race timeline
Computed- Gidon (M-INV) started at 8:13 AM.
- Ian (V-INV) started at 8:20 AM, 7:00 later.
- Actual running time: Ian was 7:06 faster on foot than Gidon.
- Finish clock: Ian crossed the line 0:06 ahead of Gidon — Ian wins this head-to-head.
Δ (A − B): actual -7:06 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ian | Gidon | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:26 | 10:14 | -1:48 |
| Stairs to Windy Gap | 6:37 | 7:31 | -0:54 |
| Windy Gap to Muir Woods | 6:19 | 6:13 | +0:06 |
| Muir Woods to Cardiac | 28:42 | 32:30 | -3:48 |
| Cardiac to White Gate | 15:25 | 16:02 | -0:37 |
| White Gate to The Stile | 7:47 | 7:47 | ±0:00 |
| The Stile to Finish | 2:15 | 2:20 | -0:05 |
Δ negative = Ian ran the segment faster.