San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Yvonne Lo

Bib: 14403•F•Age: 37

Hayward, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
13:48/mi
27:36
→ flat
4M
15:16/mi
58:08
↑ 67↓ 69
6M
15:49/mi
1:29:46
↑ 1231.1%
8M
8:30/mi
1:46:45
↑ 166↓ 531.1%
9.6M
8:30/mi
2:00:20
↑ 68↓ 1931.5%
10M
8:30/mi
2:03:44
↓ 241.1%
10.5M
8:30/mi
2:07:59
↓ 732.7%
12M
8:30/mi
2:20:43
↑ 2803.2%
Finish· 13.11 mi
15:02/mi
2:37:23
↑ 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 6M
Distance6.00 mi
Time1:29:46
Pace14:58 /mi
2nd Half✓ Faster
Distance7.11 mi
Time1:07:37
Pace9:31 /mi
📊Negative Split: 24.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:17:2527:3613:4827:36
13:48
-
4M
4.00 mi07:47:5758:0814:3230:32
15:16
+1:28
6M
6.00 mi08:19:351:29:4614:5831:38
15:49
+0:33
8M
8.00 mi08:36:341:46:4513:2116:59
8:30
-7:19
9.6M
9.60 mi08:50:092:00:2012:3213:35
8:30
0:00
10M
10.00 mi08:53:332:03:4412:223:24
8:30
0:00
10.5M
10.50 mi08:57:482:07:5912:114:15
8:30
0:00
12M
12.00 mi09:10:322:20:4311:4412:44
8:30
0:00
Finish
13.11 mi09:27:122:37:2312:0016:40
15:02
+6:32

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

8:30 /mi

Average Pace

12:00 /mi

Slowest Pace

15:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

50:57

32% of race

Time at Slower Pace

1:46:26

68% of race

Average Pace: 12:00 /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 mi07:17:2527:3613:4827:36
13:48
#6541
4M
4.00 mi07:47:5758:0814:3230:32
15:16
#6536
6M
6.00 mi08:19:351:29:4614:5831:38
15:49
#6546
8M
8.00 mi08:36:341:46:4513:2116:59
8:30
#6191
9.6M
9.60 mi08:50:092:00:2012:3213:35
8:30
#5884
10M
10.00 mi08:53:332:03:4412:223:24
8:30
#5309
10.5M
10.50 mi08:57:482:07:5912:114:15
8:30
#5435
12M
12.00 mi09:10:322:20:4311:4412:44
8:30
#4151
Finish
13.11 mi09:27:122:37:2312:0016:40
15:02
#4518
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi6541289738333(Top 0.5%)5(Top 0.2%)1(Top 0.3%)
4M4.00 mi2.00 mi6536+52895+2385-26544(Top 100%)2900(Top 99%)383(Top 99%)
6M6.00 mi2.00 mi6546-102902-73856534(Top 99%)2893(Top 99%)381(Top 98%)
8M8.00 mi2.00 mi6191+3552656+246342+43816(Top 12%)128(Top 4%)20(Top 5%)
9.6M9.60 mi1.60 mi5884+3072473+183314+282121(Top 32%)719(Top 25%)95(Top 24%)
10M10.00 mi0.40 mi5309+5752118+355257+5714(Top 0.2%)6(Top 0.2%)1(Top 0.3%)
10.5M10.50 mi0.50 mi5435-1262197-79269-126466(Top 98%)2877(Top 98%)381(Top 98%)
12M12.00 mi1.50 mi4151+12841515+682193+7633(Top 0.5%)5(Top 0.2%)1(Top 0.3%)
Finish13.11 mi1.11 mi4518-3671708-193210-176197(Top 94%)2731(Top 93%)361(Top 93%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 0.5%
~flat
+5ft-3ft

Overall

33

Females

5

F35-39

1

2M→4M

2.0 - 4.0 mi

Top 100%
×4story building
+67ft-69ft

Overall

6544

Females

2900

F35-39

384

4M→6M

4.0 - 6.0 mi

Top 99%
×9story building
+123ft-9ft

Overall

6534

Females

2893

F35-39

382

6M→8M

6.0 - 8.0 mi

Top 12%
×12story building
+166ft-53ft

Overall

816

Females

128

F35-39

20

8M→9.6M

8.0 - 9.6 mi

Top 32%
×13story building
+68ft-193ft

Overall

2121

Females

719

F35-39

95

9.6M→10M

9.6 - 10.0 mi

Top 0.2%
×2story building
+0ft-24ft

Overall

14

Females

6

F35-39

1

10M→10.5M

10.0 - 10.5 mi

Top 98%
×6story building
+1ft-73ft

Overall

6466

Females

2877

F35-39

381

10.5M→12M

10.5 - 12.0 mi

Top 0.5%
×21story building
+280ft-26ft

Overall

33

Females

5

F35-39

1

12M→Finish

12.0 - 13.1 mi

Top 94%
×7story building
+14ft-89ft

Overall

6197

Females

2731

F35-39

361

Passing Analysis

Category:
Athletes Passed
2591*
Passed By
568
Net Change
+2023
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6541
2M → 4M22*17+5#6541#6536
4M → 6M22*32-10#6536#6546
6M → 8M355*0+355#6546#6191
8M → 9.6M3081+307#6191#5884
9.6M → 10M5750+575#5884#5309
10M → 10.5M1127-126#5309#5435
10.5M → 12M1287*3+1284#5435#4151
12M → Finish21*388-367#4151#4518
TOTALS2591*568+2023

* 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