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
OfficialCalvin French-Owen
#209 · 1:04:15 · M36 · Group Y · INV
Wave start 8:23 AM (Y-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; Calvin (Y-INV) started at 8:23 AM. That gave Jim a 7 minutes head start on Calvin. On foot, Jim ran 1:11:09 and Calvin ran 1:04:15 — Calvin was 6:54 faster than Jim. Jim took official place 204th (time-based 355th) and Calvin took official place 209th (time-based 159th). Jim's head start was enough to flip the official order even though Calvin was faster on foot. Biggest swing: Calvin gained 2:12 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jim Grant (Q-INV) started 7 min earlier than Calvin (Y-INV).
- Overall place Δ
- -5
- Actual time Δ
- +6:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Jim earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- -10
Δ = Jim − Calvin. Negative means Jim is ahead/faster.
Race timeline
Computed- Jim (Q-INV) started at 8:16 AM.
- Calvin (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: Calvin was 6:54 faster on foot than Jim.
- Finish clock: Jim crossed the line 0:06 ahead of Calvin — Jim wins this head-to-head.
Δ (A − B): actual +6:54 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jim | Calvin | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:28 | 7:30 | +0:58 |
| Stairs to Windy Gap | 6:07 | 5:33 | +0:34 |
| Windy Gap to Muir Woods | 6:05 | 5:41 | +0:24 |
| Muir Woods to Cardiac | 25:39 | 23:27 | +2:12 |
| Cardiac to White Gate | 15:34 | 13:31 | +2:03 |
| White Gate to The Stile | 7:18 | 6:43 | +0:35 |
| The Stile to Finish | 1:58 | 1:50 | +0:08 |
Δ negative = Jim ran the segment faster.