Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJim Grant
#204 · 1:11:09 · M57 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialJackson Gifford
#207 · 1:07:13 · M14 · 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
Jim (Q-INV) started at 8:16 AM; Jackson (V-INV) started at 8:20 AM. That gave Jim a 4 minutes head start on Jackson. On foot, Jim ran 1:11:09 and Jackson ran 1:07:13 — Jackson was 3:56 faster than Jim. Jim took official place 204th (time-based 355th) and Jackson took official place 207th (time-based 242nd). Jim's head start was enough to flip the official order even though Jackson was faster on foot. Biggest swing: Jackson gained 1:33 from Cardiac to White Gate.
Deltas
ComputedWave start
Jim Grant (Q-INV) started 4 min earlier than Jackson (V-INV).
- Overall place Δ
- -3
- Actual time Δ
- +3:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Jim earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- +19
Δ = Jim − Jackson. Negative means Jim is ahead/faster.
Race timeline
Computed- Jim (Q-INV) started at 8:16 AM.
- Jackson (V-INV) started at 8:20 AM, 4:00 later.
- Actual running time: Jackson was 3:56 faster on foot than Jim.
- Finish clock: Jim crossed the line 0:04 ahead of Jackson — Jim wins this head-to-head.
Δ (A − B): actual +3:56 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jim | Jackson | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:28 | 7:25 | +1:03 |
| Stairs to Windy Gap | 6:07 | 5:45 | +0:22 |
| Windy Gap to Muir Woods | 6:05 | 5:40 | +0:25 |
| Muir Woods to Cardiac | 25:39 | 25:13 | +0:26 |
| Cardiac to White Gate | 15:34 | 14:01 | +1:33 |
| White Gate to The Stile | 7:18 | 7:08 | +0:10 |
| The Stile to Finish | 1:58 | 2:01 | -0:03 |
Δ negative = Jim ran the segment faster.