San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Karen Shim

Bib: 24543•F•Age: 26

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F25-29)
#0 / 495
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:08/mi
20:17
↑ 138↓ 680.7%
4M
10:53/mi
42:03
↑ 1631.4%
6M
13:29/mi
1:09:01
↑ 55↓ 830.3%
8M
9:31/mi
1:28:03
↑ 65↓ 1510.8%
10M
11:59/mi
1:52:00
↑ 61↓ 1741.1%
12M
15:06/mi
2:22:13
↑ 41↓ 530.1%
Finish· 13.11 mi
17:50/mi
2:42:00
→ flat

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:01
Pace11:30 /mi
2nd Half
Distance7.11 mi
Time1:32:59
Pace13:05 /mi
📊Positive Split: 34.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:00:3220:1710:0820:17
10:08
-
4M
4.00 mi09:22:1842:0310:3121:46
10:53
+0:45
6M
6.00 mi09:49:161:09:0111:3026:58
13:29
+2:36
8M
8.00 mi10:08:181:28:0311:0019:02
9:31
-3:58
10M
10.00 mi10:32:151:52:0011:1223:57
11:59
+2:28
12M
12.00 mi11:02:282:22:1311:5130:13
15:06
+3:07
Finish
13.11 mi11:22:152:42:0012:2119:47
17:50
+2:44

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:31 /mi

Average Pace

12:21 /mi

Slowest Pace

17:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:19

24% of race

Time at Steady Pace

45:43

28% of race

Time at Slower Pace

1:16:58

48% of race

Average Pace: 12:21 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi09:00:3220:1710:0820:17
10:08
#2151
4M
4.00 mi09:22:1842:0310:3121:46
10:53
#2558
6M
6.00 mi09:49:161:09:0111:3026:58
13:29
#2616
8M
8.00 mi10:08:181:28:0311:0019:02
9:31
#2765
10M
10.00 mi10:32:151:52:0011:1223:57
11:59
#2774
12M
12.00 mi11:02:282:22:1311:5130:13
15:06
#2965
Finish
13.11 mi11:22:152:42:0012:2119:47
17:50
#3127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi21517722143445(Top 90%)1535(Top 87%)440(Top 89%)
4M4.00 mi2.00 mi2558-407985-213285-712834(Top 74%)1141(Top 65%)331(Top 67%)
6M6.00 mi2.00 mi2616-581022-37295-102691(Top 70%)1059(Top 60%)301(Top 61%)
8M8.00 mi2.00 mi2765-1491103-81315-203203(Top 83%)1364(Top 78%)399(Top 81%)
10M10.00 mi2.00 mi2774-91112-9320-52766(Top 72%)1118(Top 64%)335(Top 68%)
12M12.00 mi2.00 mi2965-1911230-118361-413445(Top 90%)1535(Top 87%)440(Top 89%)
Finish13.11 mi1.11 mi3127-1621327-97388-273744(Top 98%)1718(Top 98%)486(Top 98%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 90%
×9story building
+138ft-68ft

Overall

3445

Females

1535

F25-29

441

2M→4M

2.0 - 4.0 mi

Top 74%
×13story building
+163ft-19ft

Overall

2834

Females

1141

F25-29

331

4M→6M

4.0 - 6.0 mi

Top 70%
×4story building
+55ft-83ft

Overall

2691

Females

1059

F25-29

302

6M→8M

6.0 - 8.0 mi

Top 83%
×10story building
+65ft-151ft

Overall

3203

Females

1364

F25-29

400

8M→10M

8.0 - 10.0 mi

Top 72%
×10story building
+61ft-174ft

Overall

2766

Females

1118

F25-29

336

10M→12M

10.0 - 12.0 mi

Top 90%
×3story building
+41ft-53ft

Overall

3445

Females

1535

F25-29

441

12M→Finish

12.0 - 13.1 mi

Top 98%
×1human
+6ft-6ft

Overall

3744

Females

1718

F25-29

486

Passing Analysis

Category:
Athletes Passed
118*
Passed By
1094
Net Change
-976
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2151
2M → 4M34441-407#2151#2558
4M → 6M3896-58#2558#2616
6M → 8M8157-149#2616#2765
8M → 10M28*37-9#2765#2774
10M → 12M4195-191#2774#2965
12M → Finish6*168-162#2965#3127
TOTALS118*1094-976

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

📊

Passing Visuals

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