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SF MARATHON 1ST HALF 2026

Miriam Son

San Jose, CA

Bib: 18362 F 37

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 18%
Gender (Female)
#0 / 2930
Top 8%
Division (F35-39)
#0 / 388
Top 9%
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
9:16/mi
18:33
→ flat
4M
9:05/mi
36:42
↑ 67↓ 69
6M
9:25/mi
55:32
↑ 123
8M
8:20/mi
1:12:12
↑ 166↓ 53
9.6M
8:20/mi
1:25:32
↑ 68↓ 193
10M
15:44/mi
1:31:49
↓ 24
10.5M
4:10/mi
1:33:54
↓ 73
12M
11:19/mi
1:50:53
↑ 280
Finish· 13.11 mi
8:14/mi
2:00:01
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
55:329:15 /mi⚡ faster
2nd Half
1:04:299:04 /mi+16.1%
Positive split — 16.1% 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
18:339:162.00 mi18:33
9:16
-
4M
36:429:112.00 mi18:09
9:05
-0:11
6M
55:329:152.00 mi18:50
9:25
+0:20
8M
1:12:129:012.00 mi16:40
8:20
-1:05
9.6M
1:25:328:551.60 mi13:20
8:20
0:00
10M
1:31:499:110.40 mi6:17
15:44
+7:24
10.5M
1:33:548:570.50 mi2:05
4:10
-11:34
12M
1:50:539:141.50 mi16:59
11:19
+7:09
Finish(13.11 mi)
2:00:019:091.11 mi9:08
8:14
-3:05
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:10 /mi

Average Pace

9:09 /mi

Slowest Pace

15:44 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:05

2% of race

Time at Steady Pace

1:34:40

79% of race

Time at Slower Pace

23:16

19% of race

Average Pace: 9:09 /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 15%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:22

Segment Time

9:18/mi

Pace

0.90 mi

Distance

Overall

997

Women

206

Division

28

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi18964886980216523
4M2.00 mi1698+198407+8157+12154834850
6M2.00 mi1782-84431-2459-2193449569
8M2.00 mi1352+430273+15839+206709213
9.6M1.60 mi1463-111318-4544-5190263683
10M0.40 mi1416+47307+1144108625234
10.5M0.50 mi1405+11302+543+197519227
12M1.50 mi1245+160259+4335+880216523
Finish(13.11 mi)1.11 mi1175+70238+2133+280815022

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 12%
~flat
+5ft-3ft

Overall

802

Females

165

F35-39

23

2M→4M

2.0 - 4.0 mi

Top 24%
×4story building
+67ft-69ft

Overall

1548

Females

348

F35-39

50

4M→6M

4.0 - 6.0 mi

Top 29%
×9story building
+123ft-9ft

Overall

1934

Females

495

F35-39

69

6M→8M

6.0 - 8.0 mi

Top 10%
×12story building
+166ft-53ft

Overall

670

Females

92

F35-39

13

8M→9.6M

8.0 - 9.6 mi

Top 29%
×13story building
+68ft-193ft

Overall

1902

Females

636

F35-39

83

9.6M→10M

9.6 - 10.0 mi

Top 17%
×2story building
+0ft-24ft

Overall

1086

Females

252

F35-39

34

10M→10.5M

10.0 - 10.5 mi

Top 15%
×6story building
+1ft-73ft

Overall

975

Females

192

F35-39

27

10.5M→12M

10.5 - 12.0 mi

Top 12%
×21story building
+280ft-26ft

Overall

802

Females

165

F35-39

23

12M→Finish

12.0 - 13.1 mi

Top 12%
×7story building
+14ft-89ft

Overall

808

Females

150

F35-39

22

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1896
2M → 4M
31229+198
#1896 → #1698
4M → 6M
12137-84
#1698 → #1782
6M → 8M
1431*+430
#1782 → #1352
8M → 9.6M
16049-111
#1352 → #1463
9.6M → 10M
1057+47
#1463 → #1416
10M → 10.5M
213+11
#1416 → #1405
10.5M → 12M
16176+160
#1405 → #1245
12M → Finish
373*+70
#1245 → #1175
TOTALS
3441065*+721
#1896 → #1175

* 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

Race Place Events

Race Place Events