Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTimo J Allison
#305 · 1:15:42 · M59 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialBrian A Foster
#306 · 1:10:44 · M49 · Group V · INV
Wave start 8:20 AM (V-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
Timo (P-INV) started at 8:15 AM; Brian (V-INV) started at 8:20 AM. That gave Timo a 5 minutes head start on Brian. On foot, Timo ran 1:15:42 and Brian ran 1:10:44 — Brian was 4:58 faster than Timo. Timo took official place 305th (time-based 510th) and Brian took official place 306th (time-based 348th). Timo's head start was enough to flip the official order even though Brian was faster on foot. Biggest swing: Brian gained 1:34 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Timo J Allison (P-INV) started 5 min earlier than Brian (V-INV).
- Overall place Δ
- -1
- Actual time Δ
- +4:58
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Timo earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- +3
Δ = Timo − Brian. Negative means Timo is ahead/faster.
Race timeline
Computed- Timo (P-INV) started at 8:15 AM.
- Brian (V-INV) started at 8:20 AM, 5:00 later.
- Actual running time: Brian was 4:58 faster on foot than Timo.
- Finish clock: Timo crossed the line 0:02 ahead of Brian — Timo wins this head-to-head.
Δ (A − B): actual +4:58 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Timo | Brian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:05 | 8:00 | +1:05 |
| Stairs to Windy Gap | 6:03 | 6:06 | -0:03 |
| Windy Gap to Muir Woods | 6:27 | 5:40 | +0:47 |
| Muir Woods to Cardiac | 27:52 | 26:18 | +1:34 |
| Cardiac to White Gate | 16:01 | 14:43 | +1:18 |
| White Gate to The Stile | 8:00 | 7:42 | +0:18 |
| The Stile to Finish | 2:14 | 2:15 | -0:01 |
Δ negative = Timo ran the segment faster.