Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialCory R Hannaford
#438 · 1:16:51 · M55 · Group T · INV
Wave start 8:18 AM (T-INV)
Athlete B
OfficialGray Harrelson
#439 · 1:12:54 · M42 · Group X · INV
Wave start 8:22 AM (X-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
Cory (T-INV) started at 8:18 AM; Gray (X-INV) started at 8:22 AM. That gave Cory a 4 minutes head start on Gray. On foot, Cory ran 1:16:51 and Gray ran 1:12:54 — Gray was 3:57 faster than Cory. Cory took official place 438th (time-based 546th) and Gray took official place 439th (time-based 419th). Cory's head start was enough to flip the official order even though Gray was faster on foot. Biggest swing: Gray gained 2:45 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Cory R Hannaford (T-INV) started 4 min earlier than Gray (X-INV).
- Overall place Δ
- -1
- Actual time Δ
- +3:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Cory earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- -19
Δ = Cory − Gray. Negative means Cory is ahead/faster.
Race timeline
Computed- Cory (T-INV) started at 8:18 AM.
- Gray (X-INV) started at 8:22 AM, 4:00 later.
- Actual running time: Gray was 3:57 faster on foot than Cory.
- Finish clock: Cory crossed the line 0:03 ahead of Gray — Cory wins this head-to-head.
Δ (A − B): actual +3:57 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Cory | Gray | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:01 | 8:37 | +0:24 |
| Stairs to Windy Gap | 6:54 | 6:30 | +0:24 |
| Windy Gap to Muir Woods | 5:30 | 6:23 | -0:53 |
| Muir Woods to Cardiac | 30:56 | 28:11 | +2:45 |
| Cardiac to White Gate | 14:59 | 14:19 | +0:40 |
| White Gate to The Stile | 7:21 | 7:01 | +0:20 |
| The Stile to Finish | 2:10 | 1:53 | +0:17 |
Δ negative = Cory ran the segment faster.