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SF MARATHON 1ST HALF 2026

Shannon Sedillo

North Hollywood, CA

Bib: 13925 F 40

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 27%
Gender (Female)
#0 / 2930
Top 15%
Masters (Masters Women)
#0 / 781
Top 11%
Division (F40-44)
#0 / 255
Top 12%
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
9:36/mi
19:12
→ flat
4M
9:31/mi
38:14
↑ 67↓ 69
6M
9:19/mi
56:52
↑ 123
8M
8:57/mi
1:14:45
↑ 166↓ 53
9.6M
8:57/mi
1:29:04
↑ 68↓ 193
10.26M
10:02/mi
1:35:41
↓ 114
10.5M
9:35/mi
1:37:59
→ flat
12M
12:47/mi
1:57:09
↑ 280
Finish· 13.11 mi
8:55/mi
2:07:02
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
56:529:29 /mi⚡ faster
2nd Half
1:10:109:52 /mi+23.4%
Positive split — 23.4% 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
19:129:362.00 mi19:12
9:36
-
4M
38:149:342.00 mi19:02
9:31
-0:05
6M
56:529:292.00 mi18:38
9:19
-0:12
8M
1:14:459:212.00 mi17:53
8:57
-0:22
9.6M
1:29:049:171.60 mi14:19
8:57
0:00
10.26M
1:35:419:200.66 mi6:37
10:02
+1:05
10.5M
1:37:599:200.24 mi2:18
9:35
-0:27
12M
1:57:099:461.50 mi19:10
12:47
+3:12
Finish(13.11 mi)
2:07:029:411.11 mi9:53
8:55
-3:52
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:55 /mi

Average Pace

9:41 /mi

Slowest Pace

12:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

42:05

33% of race

Time at Steady Pace

1:05:47

52% of race

Time at Slower Pace

19:10

15% of race

Average Pace: 9:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Garmin Challenge

Top 25%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:55

Segment Time

9:55/mi

Pace

0.90 mi

Distance

Overall

1618

Women

401

Division

33

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi241169257177349235
4M2.00 mi2238+173614+7847+10213156839
6M2.00 mi2068+170545+6939+8181445427
8M2.00 mi1782+286418+12729+10121525319
9.6M1.60 mi1889-107480-6233-4266396369
10.26M0.66 mi1840+49467+1333155638532
10.5M0.24 mi1845-5472-533210459338
12M1.50 mi1807+38467+532+1177349235
Finish(13.11 mi)1.11 mi1764+43448+1930+2154638827

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
~flat
+5ft-3ft

Overall

1773

Females

492

F40-44

36

2M→4M

2.0 - 4.0 mi

Top 32%
×4story building
+67ft-69ft

Overall

2131

Females

568

F40-44

40

4M→6M

4.0 - 6.0 mi

Top 28%
×9story building
+123ft-9ft

Overall

1814

Females

454

F40-44

28

6M→8M

6.0 - 8.0 mi

Top 18%
×12story building
+166ft-53ft

Overall

1215

Females

253

F40-44

20

8M→9.6M

8.0 - 9.6 mi

Top 41%
×13story building
+68ft-193ft

Overall

2663

Females

963

F40-44

70

9.6M→10.26M

9.6 - 10.3 mi

Top 24%
×9story building
+0ft-114ft

Overall

1556

Females

385

F40-44

33

10.26M→10.5M

10.3 - 10.5 mi

Top 32%
~flat
+1ft-0ft

Overall

2104

Females

593

F40-44

39

10.5M→12M

10.5 - 12.0 mi

Top 27%
×21story building
+280ft-26ft

Overall

1773

Females

492

F40-44

36

12M→Finish

12.0 - 13.1 mi

Top 24%
×7story building
+14ft-89ft

Overall

1546

Females

388

F40-44

27

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2411
2M → 4M
42215+173
#2411 → #2238
4M → 6M
18188+170
#2238 → #2068
6M → 8M
15301*+286
#2068 → #1782
8M → 9.6M
14639-107
#1782 → #1889
9.6M → 10.26M
554+49
#1889 → #1840
10.26M → 10.5M
94-5
#1840 → #1845
10.5M → 12M
5997+38
#1845 → #1807
12M → Finish
1558*+43
#1807 → #1764
TOTALS
309956*+647
#2411 → #1764

* 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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