Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialColleen M Fox
#1369 · 3:01:53 · F71 · Group AAA · INV
Wave start 8:00 AM (AAA-INV)
Athlete B
OfficialIan Oprendek
#1364 · 2:10:01 · M28 · Group Z · DR
Wave start 8:51 AM (Z-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
Colleen (AAA-INV) started at 8:00 AM; Ian (Z-DR) started at 8:51 AM. That gave Colleen a 51 minutes head start on Ian because the Runner wave starts 27 minutes after the Invitational wave. On foot, Colleen ran 3:01:53 and Ian ran 2:10:01 — Ian was 51:52 faster than Colleen. Colleen took official place 1369th (time-based 1392nd) and Ian took official place 1364th (time-based 1331st). Ian was faster on foot and finished ahead on the official clock too. Biggest swing: Ian gained 15:24 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Colleen M Fox (AAA-INV) started 51 min earlier than Ian (Z-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +5
- Actual time Δ
- +51:52
- Section gap Δ
- 27 min (Colleen earlier)
- Wave start Δ
- 51 min (Colleen earlier)
- Finish clock Δ
- +0:52
- Section place Δ
- —
Δ = Colleen − Ian. Negative means Colleen is ahead/faster.
Race timeline
Computed- Colleen (AAA-INV) started at 8:00 AM.
- Ian (Z-DR) started at 8:51 AM, 51:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Ian was 51:52 faster on foot than Colleen.
- Finish clock: Ian crossed the line 0:52 ahead of Colleen — Ian wins this head-to-head.
Δ (A − B): actual +51:52 · finish clock +0:52.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Colleen | Ian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 18:42 | 12:43 | +5:59 |
| Stairs to Windy Gap | 13:43 | 11:47 | +1:56 |
| Windy Gap to Muir Woods | 14:47 | 8:36 | +6:11 |
| Muir Woods to Cardiac | 1:03:53 | 48:29 | +15:24 |
| Cardiac to White Gate | 42:53 | 28:23 | +14:30 |
| White Gate to The Stile | 22:07 | 16:36 | +5:31 |
| The Stile to Finish | 5:48 | 3:27 | +2:21 |
Δ negative = Colleen ran the segment faster.