San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Erin Cheng

Bib: 17822•F•Age: 24

Davis, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 38%
Gender (Female)
#0 / 2930
Top 26%
F20-29
#0 / 353
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
9:53/mi
19:47
→ flat
4M
10:03/mi
39:52
↑ 67↓ 69
6M
10:13/mi
1:00:18
↑ 1231.1%
8M
9:24/mi
1:19:06
↑ 166↓ 531.1%
9.6M
9:24/mi
1:34:09
↑ 68↓ 1931.5%
10M
16:49/mi
1:40:52
↓ 241.1%
10.5M
4:48/mi
1:43:16
↓ 732.7%
12M
13:55/mi
2:04:08
↑ 2803.2%
Finish· 13.11 mi
10:19/mi
2:15:35
↑ 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
Time1:00:18
Pace10:03 /mi
2nd Half
Distance7.11 mi
Time1:15:17
Pace10:35 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:1819:479:5319:47
9:53
-
4M
4.00 mi07:23:2339:529:5820:05
10:03
+0:10
6M
6.00 mi07:43:491:00:1810:0320:26
10:13
+0:10
8M
8.00 mi08:02:371:19:069:5318:48
9:24
-0:49
9.6M
9.60 mi08:17:401:34:099:4815:03
9:24
0:00
10M
10.00 mi08:24:231:40:5210:056:43
16:49
+7:25
10.5M
10.50 mi08:26:471:43:169:502:24
4:48
-12:01
12M
12.00 mi08:47:392:04:0810:2120:52
13:55
+9:07
Finish
13.11 mi08:59:062:15:3510:2111:27
10:19
-3:36

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

4:48 /mi

Average Pace

10:21 /mi

Slowest Pace

16:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24

2% of race

Time at Steady Pace

1:45:36

78% of race

Time at Slower Pace

27:35

20% of race

Average Pace: 10:21 /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 mi07:03:1819:479:5319:47
9:53
#2841
4M
4.00 mi07:23:2339:529:5820:05
10:03
#2808
6M
6.00 mi07:43:491:00:1810:0320:26
10:13
#2825
8M
8.00 mi08:02:371:19:069:5318:48
9:24
#2485
9.6M
9.60 mi08:17:401:34:099:4815:03
9:24
#2559
10M
10.00 mi08:24:231:40:5210:056:43
16:49
#2467
10.5M
10.50 mi08:26:471:43:169:502:24
4:48
#2464
12M
12.00 mi08:47:392:04:0810:2120:52
13:55
#2462
Finish
13.11 mi08:59:062:15:3510:2111:27
10:19
#2511
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 28%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:07

Segment Time

10:08/mi

Pace

0.90 mi

Distance

Overall

1831

Women

486

Division

73

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi28418731102658(Top 40%)857(Top 29%)115(Top 33%)
4M4.00 mi2.00 mi2808+33866+7112-22866(Top 44%)882(Top 30%)112(Top 32%)
6M6.00 mi2.00 mi2825-17865+1118-62936(Top 45%)901(Top 31%)125(Top 35%)
8M8.00 mi2.00 mi2485+340702+16393+251688(Top 26%)397(Top 14%)55(Top 16%)
9.6M9.60 mi1.60 mi2559-74756-5499-63245(Top 49%)1219(Top 42%)163(Top 46%)
10M10.00 mi0.40 mi2467+92721+3594+51719(Top 26%)457(Top 16%)72(Top 20%)
10.5M10.50 mi0.50 mi2464+3720+195-12608(Top 40%)813(Top 28%)112(Top 32%)
12M12.00 mi1.50 mi2462+2731-11102-72658(Top 40%)857(Top 29%)115(Top 33%)
Finish13.11 mi1.11 mi2511-49752-21106-43266(Top 50%)1145(Top 39%)155(Top 44%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 40%
~flat
+5ft-3ft

Overall

2658

Females

857

F20-24

115

2M→4M

2.0 - 4.0 mi

Top 44%
×4story building
+67ft-69ft

Overall

2866

Females

882

F20-24

113

4M→6M

4.0 - 6.0 mi

Top 45%
×9story building
+123ft-9ft

Overall

2936

Females

901

F20-24

126

6M→8M

6.0 - 8.0 mi

Top 26%
×12story building
+166ft-53ft

Overall

1688

Females

397

F20-24

55

8M→9.6M

8.0 - 9.6 mi

Top 49%
×13story building
+68ft-193ft

Overall

3245

Females

1219

F20-24

163

9.6M→10M

9.6 - 10.0 mi

Top 26%
×2story building
+0ft-24ft

Overall

1719

Females

457

F20-24

72

10M→10.5M

10.0 - 10.5 mi

Top 40%
×6story building
+1ft-73ft

Overall

2608

Females

813

F20-24

112

10.5M→12M

10.5 - 12.0 mi

Top 40%
×21story building
+280ft-26ft

Overall

2658

Females

857

F20-24

115

12M→Finish

12.0 - 13.1 mi

Top 50%
×7story building
+14ft-89ft

Overall

3266

Females

1145

F20-24

155

Passing Analysis

Category:
Athletes Passed
893*
Passed By
563
Net Change
+330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2841
2M → 4M173140+33#2841#2808
4M → 6M95112-17#2808#2825
6M → 8M353*13+340#2825#2485
8M → 9.6M72146-74#2485#2559
9.6M → 10M931+92#2559#2467
10M → 10.5M96+3#2467#2464
10.5M → 12M6866+2#2464#2462
12M → Finish30*79-49#2462#2511
TOTALS893*563+330

* 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
Share Feedback

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events