San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Khai An Chan

Bib: 13583•F•Age: 31

South San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 47%
Gender (Female)
#0 / 2930
Top 34%
Division (F30-34)
#0 / 651
Top 34%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:12/mi
18:25
→ flat
4M
9:56/mi
38:17
↑ 67↓ 69
6M
10:28/mi
59:14
↑ 1231.1%
8M
11:36/mi
1:22:27
↑ 166↓ 531.1%
9.6M
8:40/mi
1:36:19
↑ 68↓ 1931.5%
10M
24:54/mi
1:46:16
↓ 241.1%
10.5M
4:54/mi
1:48:43
↓ 732.7%
12M
13:44/mi
2:09:19
↑ 2803.2%
Finish· 13.11 mi
10:48/mi
2:21:18
↑ 14↓ 891.3%

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
Time59:14
Pace9:52 /mi
2nd Half
Distance7.11 mi
Time1:22:04
Pace11:33 /mi
📊Positive Split: 38.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:5918:259:1218:25
9:12
-
4M
4.00 mi07:12:5138:179:3419:52
9:56
+0:44
6M
6.00 mi07:33:4859:149:5220:57
10:28
+0:32
8M
8.00 mi07:57:011:22:2710:1823:13
11:36
+1:08
9.6M
9.60 mi08:10:531:36:1910:0213:52
8:40
-2:56
10M
10.00 mi08:20:501:46:1610:389:57
24:54
+16:14
10.5M
10.50 mi08:23:171:48:4310:212:27
4:54
-20:00
12M
12.00 mi08:43:532:09:1910:4720:36
13:44
+8:50
Finish
13.11 mi08:55:522:21:1810:4711:59
10:48
-2:56

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

4:54 /mi

Average Pace

10:47 /mi

Slowest Pace

24:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27

2% of race

Time at Steady Pace

1:48:18

77% of race

Time at Slower Pace

30:33

22% of race

Average Pace: 10:47 /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 mi06:52:5918:259:1218:25
9:12
#1811
4M
4.00 mi07:12:5138:179:3419:52
9:56
#2262
6M
6.00 mi07:33:4859:149:5220:57
10:28
#2576
8M
8.00 mi07:57:011:22:2710:1823:13
11:36
#3044
9.6M
9.60 mi08:10:531:36:1910:0213:52
8:40
#2874
10M
10.00 mi08:20:501:46:1610:389:57
24:54
#3169
10.5M
10.50 mi08:23:171:48:4310:212:27
4:54
#3156
12M
12.00 mi08:43:532:09:1910:4720:36
13:44
#3016
Finish
13.11 mi08:55:522:21:1810:4711:59
10:48
#3060
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 78%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:24

Segment Time

13:47/mi

Pace

0.90 mi

Distance

Overall

5149

Women

2103

Division

495

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi18114591022508(Top 38%)789(Top 27%)170(Top 26%)
4M4.00 mi2.00 mi2262-451625-166139-372690(Top 41%)811(Top 28%)181(Top 28%)
6M6.00 mi2.00 mi2576-314752-127163-243258(Top 50%)1054(Top 36%)238(Top 37%)
8M8.00 mi2.00 mi3044-468936-184213-504181(Top 64%)1491(Top 51%)355(Top 55%)
9.6M9.60 mi1.60 mi2874+170892+44198+152322(Top 35%)802(Top 27%)169(Top 26%)
10M10.00 mi0.40 mi3169-2951022-130228-305593(Top 85%)2379(Top 81%)543(Top 83%)
10.5M10.50 mi0.50 mi3156+131017+5225+32881(Top 44%)933(Top 32%)207(Top 32%)
12M12.00 mi1.50 mi3016+140965+52215+102508(Top 38%)789(Top 27%)170(Top 26%)
Finish13.11 mi1.11 mi3060-44988-23221-63805(Top 58%)1409(Top 48%)326(Top 50%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 38%
~flat
+5ft-3ft

Overall

2508

Females

789

F30-34

171

2M→4M

2.0 - 4.0 mi

Top 41%
×4story building
+67ft-69ft

Overall

2690

Females

811

F30-34

183

4M→6M

4.0 - 6.0 mi

Top 50%
×9story building
+123ft-9ft

Overall

3258

Females

1054

F30-34

240

6M→8M

6.0 - 8.0 mi

Top 64%
×12story building
+166ft-53ft

Overall

4181

Females

1491

F30-34

357

8M→9.6M

8.0 - 9.6 mi

Top 35%
×13story building
+68ft-193ft

Overall

2322

Females

802

F30-34

170

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5593

Females

2379

F30-34

545

10M→10.5M

10.0 - 10.5 mi

Top 44%
×6story building
+1ft-73ft

Overall

2881

Females

933

F30-34

209

10.5M→12M

10.5 - 12.0 mi

Top 38%
×21story building
+280ft-26ft

Overall

2508

Females

789

F30-34

171

12M→Finish

12.0 - 13.1 mi

Top 58%
×7story building
+14ft-89ft

Overall

3805

Females

1409

F30-34

326

Passing Analysis

Category:
Athletes Passed
520*
Passed By
1769
Net Change
-1249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1811
2M → 4M22473-451#1811#2262
4M → 6M19333-314#2262#2576
6M → 8M15*483-468#2576#3044
8M → 9.6M23565+170#3044#2874
9.6M → 10M7302-295#2874#3169
10M → 10.5M163+13#3169#3156
10.5M → 12M17333+140#3156#3016
12M → Finish33*77-44#3016#3060
TOTALS520*1769-1249

* 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

Race Place Events

Race Place Events