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SF MARATHON 1ST HALF 2026

Kanittha Ngamsopee

SF, CA

Bib: 15144 F 28

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 48%
Gender (Female)
#0 / 2930
Top 35%
Division (F25-29)
#0 / 674
Top 39%
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
9:51/mi
19:42
→ flat
4M
10:38/mi
40:58
↑ 67↓ 69
6M
10:51/mi
1:02:41
↑ 123
8M
12:01/mi
1:26:43
↑ 166↓ 53
9.6M
8:34/mi
1:40:26
↑ 68↓ 193
10.26M
12:06/mi
1:48:25
↓ 114
10.5M
10:13/mi
1:50:52
→ flat
12M
14:10/mi
2:12:07
↑ 280
Finish· 13.11 mi
9:13/mi
2:22:20
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:02:4110:27 /mi⚡ faster
2nd Half
1:19:3911:12 /mi+27.1%
Positive split — 27.1% 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
19:429:512.00 mi19:42
9:51
-
4M
40:5810:152.00 mi21:16
10:38
+0:47
6M
1:02:4110:272.00 mi21:43
10:51
+0:13
8M
1:26:4310:502.00 mi24:02
12:01
+1:10
9.6M
1:40:2610:281.60 mi13:43
8:34
-3:27
10.26M
1:48:2510:340.66 mi7:59
12:06
+3:32
10.5M
1:50:5210:340.24 mi2:27
10:13
-1:53
12M
2:12:0711:011.50 mi21:15
14:10
+3:57
Finish(13.11 mi)
2:22:2010:511.11 mi10:13
9:13
-4:57
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:34 /mi

Average Pace

10:51 /mi

Slowest Pace

14:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

23:56

17% of race

Time at Steady Pace

1:05:08

46% of race

Time at Slower Pace

53:16

37% of race

Average Pace: 10:51 /mi

Loading chart...
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 50%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:26

Segment Time

11:36/mi

Pace

0.90 mi

Distance

Overall

3255

Women

1107

Division

283

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi27948531962885963253
4M2.00 mi3278-4841071-218255-5937391286323
6M2.00 mi3413-1351131-60280-2537201275325
8M2.00 mi3752-3391280-149320-4045801680397
9.6M1.60 mi3446+3061145+135285+352202749192
10.26M0.66 mi3430+161138+7279+634511214306
10.5M0.24 mi3411+191128+10278+12921959232
12M1.50 mi3308+1031093+35269+92885963253
Finish(13.11 mi)1.11 mi3163+1451032+61260+91903526142

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 44%
~flat
+5ft-3ft

Overall

2885

Females

963

F25-29

253

2M→4M

2.0 - 4.0 mi

Top 57%
×4story building
+67ft-69ft

Overall

3739

Females

1286

F25-29

323

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3720

Females

1275

F25-29

325

6M→8M

6.0 - 8.0 mi

Top 70%
×12story building
+166ft-53ft

Overall

4580

Females

1680

F25-29

397

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13story building
+68ft-193ft

Overall

2202

Females

749

F25-29

192

9.6M→10.26M

9.6 - 10.3 mi

Top 52%
×9story building
+0ft-114ft

Overall

3451

Females

1214

F25-29

306

10.26M→10.5M

10.3 - 10.5 mi

Top 44%
~flat
+1ft-0ft

Overall

2921

Females

959

F25-29

232

10.5M→12M

10.5 - 12.0 mi

Top 44%
×21story building
+280ft-26ft

Overall

2885

Females

963

F25-29

253

12M→Finish

12.0 - 13.1 mi

Top 29%
×7story building
+14ft-89ft

Overall

1903

Females

526

F25-29

142

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2794
2M → 4M
53046-484
#2794 → #3278
4M → 6M
20772-135
#3278 → #3413
6M → 8M
36425*-339
#3413 → #3752
8M → 9.6M
24330+306
#3752 → #3446
9.6M → 10.26M
3248+16
#3446 → #3430
10.26M → 10.5M
625+19
#3430 → #3411
10.5M → 12M
34137+103
#3411 → #3308
12M → Finish
1146*+145
#3308 → #3163
TOTALS
1198829*-369
#2794 → #3163

* 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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