San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Alyssa Kong

San Francisco, CA

Bib: 15947 F 25

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 35%
Gender (Female)
#0 / 2930
Top 23%
Division (F25-29)
#0 / 674
Top 25%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
9:54/mi
19:48
→ flat
12 ft elev
4M
9:57/mi
39:42
↑ 67↓ 69
10 ft elev
6M
9:40/mi
59:02
↑ 1231.1%
126 ft elev
8M
9:05/mi
1:17:12
↑ 166↓ 531.1%
246 ft elev
9.6M
9:05/mi
1:31:44
↑ 68↓ 1931.5%
126 ft elev
10M
19:51/mi
1:39:40
↓ 241.1%
90 ft elev
10.5M
4:52/mi
1:42:06
↓ 732.7%
18 ft elev
12M
13:31/mi
2:02:23
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:57/mi
2:13:25
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
59:029:50 /mi⚡ faster
2nd Half
1:14:2310:28 /mi+26.0%
Positive split — 26.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:489:542.00 mi19:48
9:54
-
4M
39:429:562.00 mi19:54
9:57
+0:03
6M
59:029:502.00 mi19:20
9:40
-0:17
8M
1:17:129:392.00 mi18:10
9:05
-0:35
9.6M
1:31:449:331.60 mi14:32
9:05
0:00
10M
1:39:409:580.40 mi7:56
19:51
+10:46
10.5M
1:42:069:430.50 mi2:26
4:52
-14:59
12M
2:02:2310:121.50 mi20:17
13:31
+8:39
Finish(13.11 mi)
2:13:2510:111.11 mi11:02
9:57
-3:34
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:52 /mi

Average Pace

10:11 /mi

Slowest Pace

19:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:26

2% of race

Time at Steady Pace

1:42:46

77% of race

Time at Slower Pace

28:13

21% of race

Average Pace: 10:11 /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 49%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:22

Segment Time

11:31/mi

Pace

0.90 mi

Distance

Overall

3194

Women

1077

Division

274

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi28558792012352720191
4M2.00 mi2740+115839+40199+22714824200
6M2.00 mi2529+211733+106178+212249635155
8M2.00 mi2166+363568+165132+46137429866
9.6M1.60 mi2245-79641-73159-2728551044259
10M0.40 mi2327-82669-28165-633991186299
10.5M0.50 mi2326+1672-31652771888217
12M1.50 mi2325+1676-4169-42352720191
Finish(13.11 mi)1.11 mi2326-16761692793922252

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 36%
~flat
+5ft-3ft

Overall

2352

Females

720

F25-29

191

2M→4M

2.0 - 4.0 mi

Top 41%
×4story building
+67ft-69ft

Overall

2714

Females

824

F25-29

200

4M→6M

4.0 - 6.0 mi

Top 34%
×9story building
+123ft-9ft

Overall

2249

Females

635

F25-29

155

6M→8M

6.0 - 8.0 mi

Top 21%
×12story building
+166ft-53ft

Overall

1374

Females

298

F25-29

66

8M→9.6M

8.0 - 9.6 mi

Top 43%
×13story building
+68ft-193ft

Overall

2855

Females

1044

F25-29

259

9.6M→10M

9.6 - 10.0 mi

Top 52%
×2story building
+0ft-24ft

Overall

3399

Females

1186

F25-29

299

10M→10.5M

10.0 - 10.5 mi

Top 42%
×6story building
+1ft-73ft

Overall

2771

Females

888

F25-29

217

10.5M→12M

10.5 - 12.0 mi

Top 36%
×21story building
+280ft-26ft

Overall

2352

Females

720

F25-29

191

12M→Finish

12.0 - 13.1 mi

Top 42%
×7story building
+14ft-89ft

Overall

2793

Females

922

F25-29

252

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2855
2M → 4M
96211+115
#2855 → #2740
4M → 6M
17228+211
#2740 → #2529
6M → 8M
3366*+363
#2529 → #2166
8M → 9.6M
13556-79
#2166 → #2245
9.6M → 10M
9412-82
#2245 → #2327
10M → 10.5M
78+1
#2327 → #2326
10.5M → 12M
7879+1
#2326 → #2325
12M → Finish
3332*-1
#2325 → #2326
TOTALS
463992*+529
#2855 → #2326

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events