Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialHeidi Reifenstein
#9 · 1:01:51 · F48 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialFarah S Allen
#8 · 1:00:09 · F17 · Group N · INV
Wave start 8:14 AM (N-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Heidi (M-INV) started at 8:13 AM; Farah (N-INV) started at 8:14 AM. That gave Heidi a 1 minute head start on Farah. On foot, Heidi ran 1:01:51 and Farah ran 1:00:09 — Farah was 1:42 faster than Heidi. Heidi took official place 9th (time-based 106th) and Farah took official place 8th (time-based 70th). Farah was faster on foot and finished ahead on the official clock too. Biggest swing: Farah gained 1:29 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Heidi Reifenstein (M-INV) started 1 min earlier than Farah (N-INV).
- Overall place Δ
- +1
- Actual time Δ
- +1:42
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Heidi earlier)
- Finish clock Δ
- +0:42
- Section place Δ
- 0
Δ = Heidi − Farah. Negative means Heidi is ahead/faster.
Race timeline
Computed- Heidi (M-INV) started at 8:13 AM.
- Farah (N-INV) started at 8:14 AM, 1:00 later.
- Actual running time: Farah was 1:42 faster on foot than Heidi.
- Finish clock: Farah crossed the line 0:42 ahead of Heidi — Farah wins this head-to-head.
Δ (A − B): actual +1:42 · finish clock +0:42.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Heidi | Farah | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:14 | 7:09 | +0:05 |
| Stairs to Windy Gap | 5:34 | 5:12 | +0:22 |
| Windy Gap to Muir Woods | 5:29 | 5:32 | -0:03 |
| Muir Woods to Cardiac | 23:06 | 21:37 | +1:29 |
| Cardiac to White Gate | 12:25 | 12:54 | -0:29 |
| White Gate to The Stile | 6:10 | 6:03 | +0:07 |
| The Stile to Finish | 1:53 | 1:42 | +0:11 |
Δ negative = Heidi ran the segment faster.