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 Oprendek
#1364 · 2:10:01 · M28 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Athlete B
OfficialJeff S Goulding
#1362 · 2:25:52 · M67 · Group G · DR
Wave start 8:35 AM (G-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
Ian (Z-DR) started at 8:51 AM; Jeff (G-DR) started at 8:35 AM. That gave Jeff a 16 minutes head start on Ian. On foot, Ian ran 2:10:01 and Jeff ran 2:25:52 — Ian was 15:51 faster than Jeff. Ian took official place 1364th (time-based 1331st) and Jeff took official place 1362nd (time-based 1361st). Jeff's head start was enough to flip the official order even though Ian was faster on foot. Biggest swing: Ian gained 5:32 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
Jeff S Goulding (G-DR) started 16 min earlier than Ian (Z-DR).
- Overall place Δ
- +2
- Actual time Δ
- -15:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 16 min (Jeff earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- +41
Δ = Ian − Jeff. Negative means Ian is ahead/faster.
Race timeline
Computed- Jeff (G-DR) started at 8:35 AM.
- Ian (Z-DR) started at 8:51 AM, 16:00 later.
- Actual running time: Ian was 15:51 faster on foot than Jeff.
- Finish clock: Jeff crossed the line 0:09 ahead of Ian — Jeff wins this head-to-head.
Δ (A − B): actual -15:51 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ian | Jeff | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:43 | 16:32 | -3:49 |
| Stairs to Windy Gap | 11:47 | 11:26 | +0:21 |
| Windy Gap to Muir Woods | 8:36 | 14:08 | -5:32 |
| Muir Woods to Cardiac | 48:29 | 49:04 | -0:35 |
| Cardiac to White Gate | 28:23 | 33:21 | -4:58 |
| White Gate to The Stile | 16:36 | 17:20 | -0:44 |
| The Stile to Finish | 3:27 | 4:01 | -0:34 |
Δ negative = Ian ran the segment faster.