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SF MARATHON 1ST HALF 2026

Cortney Jackson

Milpitas, CA

Bib: 14878 F 33

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
12:03/mi
24:07
→ flat
4M
13:10/mi
50:26
↑ 67↓ 69
6M
12:54/mi
1:16:14
↑ 123
8M
12:44/mi
1:41:42
↑ 166↓ 53
9.6M
12:44/mi
2:02:05
↑ 68↓ 193
10M
26:07/mi
2:12:31
↓ 24
10.5M
6:30/mi
2:15:46
↓ 73
12M
20:55/mi
2:47:08
↑ 280
Finish· 13.11 mi
15:05/mi
3:03:52
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:16:1412:42 /mi⚡ faster
2nd Half
1:47:3815:08 /mi+41.2%
Positive split — 41.2% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
24:0712:032.00 mi24:07
12:03
-
4M
50:2612:372.00 mi26:19
13:10
+1:07
6M
1:16:1412:422.00 mi25:48
12:54
-0:16
8M
1:41:4212:432.00 mi25:28
12:44
-0:10
9.6M
2:02:0512:431.60 mi20:23
12:44
0:00
10M
2:12:3113:150.40 mi10:26
26:07
+13:23
10.5M
2:15:4612:560.50 mi3:15
6:30
-19:37
12M
2:47:0813:561.50 mi31:22
20:55
+14:25
Finish(13.11 mi)
3:03:5214:021.11 mi16:44
15:05
-5:50
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:30 /mi

Average Pace

14:02 /mi

Slowest Pace

26:07 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:15

2% of race

Time at Steady Pace

2:18:49

75% of race

Time at Slower Pace

41:48

23% of race

Average Pace: 14:01 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 89%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:41

Segment Time

15:12/mi

Pace

0.90 mi

Distance

Overall

5853

Women

2518

Division

573

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi5927250256962972792620
4M2.00 mi6111-1842614-112596-2761812668607
6M2.00 mi6037+742557+57591+557762405561
8M2.00 mi5860+1772446+111569+2252192040470
9.6M1.60 mi5998-1382539-93588-1961942705611
10M0.40 mi6019-212557-18590-258802540572
10.5M0.50 mi60192561-4591-158982540582
12M1.50 mi6140-1212638-77598-762972792620
Finish(13.11 mi)1.11 mi6163-232662-24602-462122740617

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 96%
~flat
+5ft-3ft

Overall

6297

Females

2792

F30-34

622

2M→4M

2.0 - 4.0 mi

Top 94%
×4story building
+67ft-69ft

Overall

6181

Females

2668

F30-34

611

4M→6M

4.0 - 6.0 mi

Top 88%
×9story building
+123ft-9ft

Overall

5776

Females

2405

F30-34

564

6M→8M

6.0 - 8.0 mi

Top 79%
×12story building
+166ft-53ft

Overall

5219

Females

2040

F30-34

472

8M→9.6M

8.0 - 9.6 mi

Top 94%
×13story building
+68ft-193ft

Overall

6194

Females

2705

F30-34

613

9.6M→10M

9.6 - 10.0 mi

Top 89%
×2story building
+0ft-24ft

Overall

5880

Females

2540

F30-34

574

10M→10.5M

10.0 - 10.5 mi

Top 90%
×6story building
+1ft-73ft

Overall

5898

Females

2540

F30-34

584

10.5M→12M

10.5 - 12.0 mi

Top 96%
×21story building
+280ft-26ft

Overall

6297

Females

2792

F30-34

622

12M→Finish

12.0 - 13.1 mi

Top 94%
×7story building
+14ft-89ft

Overall

6212

Females

2740

F30-34

617

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5927
2M → 4M
23854*-184
#5927 → #6111
4M → 6M
38112*+74
#6111 → #6037
6M → 8M
31208*+177
#6037 → #5860
8M → 9.6M
16325-138
#5860 → #5998
9.6M → 10M
4322-21
#5998 → #6019
10M → 10.5M
990
#6019 → #6019
10.5M → 12M
13211*-121
#6019 → #6140
12M → Finish
4724*-23
#6140 → #6163
TOTALS
701465*-236
#5927 → #6163

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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Race Place Events