San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Tatiana Sansonowicz

Bib: 15894•F•Age: 36

Palo Alto, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 41%
Gender (Female)
#0 / 2930
Top 28%
Division (F35-39)
#0 / 388
Top 30%
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
9:49/mi
19:39
→ flat
4M
9:35/mi
38:48
↑ 67↓ 69
6M
11:33/mi
1:01:54
↑ 1231.1%
8M
10:58/mi
1:23:50
↑ 166↓ 531.1%
9.6M
7:36/mi
1:35:59
↑ 68↓ 1931.5%
10M
18:31/mi
1:43:23
↓ 241.1%
10.5M
4:50/mi
1:45:48
↓ 732.7%
12M
14:02/mi
2:06:51
↑ 2803.2%
Finish· 13.11 mi
9:42/mi
2:17:37
↑ 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
Time1:01:54
Pace10:19 /mi
2nd Half
Distance7.11 mi
Time1:15:43
Pace10:39 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:4419:399:4919:39
9:49
-
4M
4.00 mi07:21:5338:489:4219:09
9:35
-0:14
6M
6.00 mi07:44:591:01:5410:1923:06
11:33
+1:58
8M
8.00 mi08:06:551:23:5010:2921:56
10:58
-0:35
9.6M
9.60 mi08:19:041:35:5910:0012:09
7:36
-3:22
10M
10.00 mi08:26:281:43:2310:207:24
18:31
+10:55
10.5M
10.50 mi08:28:531:45:4810:052:25
4:50
-13:41
12M
12.00 mi08:49:562:06:5110:3421:03
14:02
+9:12
Finish
13.11 mi09:00:422:17:3710:3010:46
9:42
-4:20

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

4:50 /mi

Average Pace

10:30 /mi

Slowest Pace

18:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:34

11% of race

Time at Steady Pace

1:34:36

69% of race

Time at Slower Pace

28:27

21% of race

Average Pace: 10:30 /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 mi07:02:4419:399:4919:39
9:49
#2753
4M
4.00 mi07:21:5338:489:4219:09
9:35
#2444
6M
6.00 mi07:44:591:01:5410:1923:06
11:33
#3244
8M
8.00 mi08:06:551:23:5010:2921:56
10:58
#3286
9.6M
9.60 mi08:19:041:35:5910:0012:09
7:36
#2830
10M
10.00 mi08:26:281:43:2310:207:24
18:31
#2796
10.5M
10.50 mi08:28:531:45:4810:052:25
4:50
#2788
12M
12.00 mi08:49:562:06:5110:3421:03
14:02
#2739
Finish
13.11 mi09:00:422:17:3710:3010:46
9:42
#2697
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 40%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:49

Segment Time

10:55/mi

Pace

0.90 mi

Distance

Overall

2632

Women

821

Division

107

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi27538371202766(Top 42%)901(Top 31%)120(Top 31%)
4M4.00 mi2.00 mi2444+309707+130102+182221(Top 34%)604(Top 21%)90(Top 23%)
6M6.00 mi2.00 mi3244-8001046-339145-434558(Top 69%)1695(Top 58%)209(Top 54%)
8M8.00 mi2.00 mi3286-421055-9142+33505(Top 53%)1164(Top 40%)157(Top 40%)
9.6M9.60 mi1.60 mi2830+456873+182124+181143(Top 17%)365(Top 12%)48(Top 12%)
10M10.00 mi0.40 mi2796+34862+11121+32702(Top 41%)868(Top 30%)115(Top 30%)
10.5M10.50 mi0.50 mi2788+8858+41212712(Top 41%)864(Top 29%)120(Top 31%)
12M12.00 mi1.50 mi2739+49841+17118+32766(Top 42%)901(Top 31%)120(Top 31%)
Finish13.11 mi1.11 mi2697+42828+13117+12511(Top 38%)791(Top 27%)109(Top 28%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2766

Females

901

F35-39

120

2M→4M

2.0 - 4.0 mi

Top 34%
×4story building
+67ft-69ft

Overall

2221

Females

604

F35-39

90

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4558

Females

1695

F35-39

209

6M→8M

6.0 - 8.0 mi

Top 53%
×12story building
+166ft-53ft

Overall

3505

Females

1164

F35-39

157

8M→9.6M

8.0 - 9.6 mi

Top 17%
×13story building
+68ft-193ft

Overall

1143

Females

365

F35-39

48

9.6M→10M

9.6 - 10.0 mi

Top 41%
×2story building
+0ft-24ft

Overall

2702

Females

868

F35-39

115

10M→10.5M

10.0 - 10.5 mi

Top 41%
×6story building
+1ft-73ft

Overall

2712

Females

864

F35-39

120

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2766

Females

901

F35-39

120

12M→Finish

12.0 - 13.1 mi

Top 38%
×7story building
+14ft-89ft

Overall

2511

Females

791

F35-39

109

Passing Analysis

Category:
Athletes Passed
1132*
Passed By
1076
Net Change
+56
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2753
2M → 4M32920+309#2753#2444
4M → 6M2802-800#2444#3244
6M → 8M116*158-42#3244#3286
8M → 9.6M4571+456#3286#2830
9.6M → 10M5016+34#2830#2796
10M → 10.5M102+8#2796#2788
10.5M → 12M10657+49#2788#2739
12M → Finish62*20+42#2739#2697
TOTALS1132*1076+56

* 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