Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialNathan E Spady
#201 · 1:04:01 · M39 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialJim Grant
#204 · 1:11:09 · M57 · Group Q · INV
Wave start 8:16 AM (Q-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
Nathan (Y-INV) started at 8:23 AM; Jim (Q-INV) started at 8:16 AM. That gave Jim a 7 minutes head start on Nathan. On foot, Nathan ran 1:04:01 and Jim ran 1:11:09 — Nathan was 7:08 faster than Jim. Nathan took official place 201st (time-based 153rd) and Jim took official place 204th (time-based 355th). Nathan was faster on foot and finished ahead on the official clock too. Biggest swing: Nathan gained 2:29 from Cardiac to White Gate.
Deltas
ComputedWave start
Jim Grant (Q-INV) started 7 min earlier than Nathan (Y-INV).
- Overall place Δ
- -3
- Actual time Δ
- -7:08
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Jim earlier)
- Finish clock Δ
- -0:08
- Section place Δ
- +7
Δ = Nathan − Jim. Negative means Nathan is ahead/faster.
Race timeline
Computed- Jim (Q-INV) started at 8:16 AM.
- Nathan (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: Nathan was 7:08 faster on foot than Jim.
- Finish clock: Nathan crossed the line 0:08 ahead of Jim — Nathan wins this head-to-head.
Δ (A − B): actual -7:08 · finish clock -0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Nathan | Jim | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:23 | 8:28 | -1:05 |
| Stairs to Windy Gap | 5:38 | 6:07 | -0:29 |
| Windy Gap to Muir Woods | 5:28 | 6:05 | -0:37 |
| Muir Woods to Cardiac | 24:00 | 25:39 | -1:39 |
| Cardiac to White Gate | 13:05 | 15:34 | -2:29 |
| White Gate to The Stile | 6:38 | 7:18 | -0:40 |
| The Stile to Finish | 1:49 | 1:58 | -0:09 |
Δ negative = Nathan ran the segment faster.