Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJC Longbottom
#818 · 1:19:34 · M40 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialMattias A De la Rosa
#813 · 1:26:19 · M11 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Interpretation
JC (Y-DR) started at 8:50 AM; Mattias (Q-DR) started at 8:43 AM. That gave Mattias a 7 minutes head start on JC. On foot, JC ran 1:19:34 and Mattias ran 1:26:19 — JC was 6:45 faster than Mattias. JC took official place 818th (time-based 637th) and Mattias took official place 813th (time-based 820th). Mattias's head start was enough to flip the official order even though JC was faster on foot. Biggest swing: JC gained 3:07 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mattias A De la Rosa (Q-DR) started 7 min earlier than JC (Y-DR).
- Overall place Δ
- +5
- Actual time Δ
- -6:45
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Mattias earlier)
- Finish clock Δ
- +0:15
- Section place Δ
- +15
Δ = JC − Mattias. Negative means JC is ahead/faster.
Race timeline
Computed- Mattias (Q-DR) started at 8:43 AM.
- JC (Y-DR) started at 8:50 AM, 7:00 later.
- Actual running time: JC was 6:45 faster on foot than Mattias.
- Finish clock: Mattias crossed the line 0:15 ahead of JC — Mattias wins this head-to-head.
Δ (A − B): actual -6:45 · finish clock +0:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | JC | Mattias | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:28 | 10:54 | -1:26 |
| Stairs to Windy Gap | 6:35 | 8:04 | -1:29 |
| Windy Gap to Muir Woods | 6:15 | 6:12 | +0:03 |
| Muir Woods to Cardiac | 31:10 | 34:17 | -3:07 |
| Cardiac to White Gate | 15:57 | 16:51 | -0:54 |
| White Gate to The Stile | 7:56 | 7:55 | +0:01 |
| The Stile to Finish | 2:13 | 2:06 | +0:07 |
Δ negative = JC ran the segment faster.