San Francisco Marathon logo
SF MARATHON 1ST HALF 2025

Katy Tong

San Francisco, CA

Bib: 17928 F 32

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F30-34)
#0 / 691
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
11:58/mi
21:40
→ flat
5.34M
11:42/mi
1:02:58
↑ 80↓ 74
6.15M
11:50/mi
1:12:33
↑ 126
10.54M
11:17/mi
2:02:05
↑ 230↓ 361
11.05M
14:21/mi
2:09:24
↑ 172
Finish· 13.11 mi
11:06/mi
2:32:15
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:12:3311:48 /mi⚡ faster
2nd Half
1:19:4211:27 /mi+9.9%
Positive split — 9.9% 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
1.81M
21:4011:581.81 mi21:40
11:58
-
5.34M
1:02:5811:473.53 mi41:18
11:42
-0:16
6.15M
1:12:3311:480.81 mi9:35
11:50
+0:08
10.54M
2:02:0511:354.39 mi49:32
11:17
-0:33
11.05M
2:09:2411:430.51 mi7:19
14:21
+3:04
Finish(13.11 mi)
2:32:1511:372.06 mi22:51
11:06
-3:15
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:06 /mi

Average Pace

11:37 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:12:23

48% of race

Time at Steady Pace

1:12:33

48% of race

Time at Slower Pace

7:19

5% of race

Average Pace: 11:37 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi6525276363065252763630
5.34M3.53 mi6068+4572482+281563+6757982332533
6.15M0.81 mi5939+1292409+73550+1350861942447
10.54M4.39 mi5397+5422120+289490+6046201726400
11.05M0.51 mi5256+1412045+75475+1534381156270
Finish(13.11 mi)2.06 mi5006+2501928+117454+2139541474336

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 92%
~flat
+4ft-3ft

Overall

6525

Females

2763

F30-34

631

1.81M→5.34M

1.8 - 5.3 mi

Top 82%
×4story building
+80ft-74ft

Overall

5798

Females

2332

F30-34

534

5.34M→6.15M

5.3 - 6.2 mi

Top 72%
×10story building
+126ft-4ft

Overall

5086

Females

1942

F30-34

448

6.15M→10.54M

6.2 - 10.5 mi

Top 65%
×21story building
+230ft-361ft

Overall

4620

Females

1726

F30-34

401

10.54M→11.05M

10.5 - 11.1 mi

Top 48%
×14story building
+172ft-0ft

Overall

3438

Females

1156

F30-34

271

11.05M→Finish

11.1 - 13.1 mi

Top 56%
×7story building
+97ft-114ft

Overall

3954

Females

1474

F30-34

336

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#6525
1.81M → 5.34M
31488*+457
#6525 → #6068
5.34M → 6.15M
11140+129
#6068 → #5939
6.15M → 10.54M
8550*+542
#5939 → #5397
10.54M → 11.05M
3144+141
#5397 → #5256
11.05M → Finish
3253*+250
#5256 → #5006
TOTALS
561575*+1519
#6525 → #5006

* 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