San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Jialu Luo

Bib: 19347•F•Age: 37

Alameda, 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
11:06/mi
22:12
→ flat
4M
11:56/mi
46:03
↑ 67↓ 69
6M
12:34/mi
1:11:12
↑ 1231.1%
8M
13:34/mi
1:38:21
↑ 166↓ 531.1%
9.6M
10:26/mi
1:55:03
↑ 68↓ 1931.5%
10M
23:04/mi
2:04:16
↓ 241.1%
10.5M
7:10/mi
2:07:51
↓ 732.7%
12M
18:38/mi
2:35:48
↑ 2803.2%
Finish· 13.11 mi
12:41/mi
2:49:52
↑ 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
Time1:11:12
Pace11:52 /mi
2nd Half
Distance7.11 mi
Time1:38:40
Pace13:53 /mi
📊Positive Split: 38.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:5322:1211:0622:12
11:06
-
4M
4.00 mi07:26:4446:0311:3123:51
11:56
+0:50
6M
6.00 mi07:51:531:11:1211:5225:09
12:34
+0:38
8M
8.00 mi08:19:021:38:2112:1827:09
13:34
+1:00
9.6M
9.60 mi08:35:441:55:0311:5916:42
10:26
-3:08
10M
10.00 mi08:44:572:04:1612:269:13
23:04
+12:38
10.5M
10.50 mi08:48:322:07:5112:113:35
7:10
-15:54
12M
12.00 mi09:16:292:35:4812:5927:57
18:38
+11:28
Finish
13.11 mi09:30:332:49:5212:5714:04
12:41
-5:57

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

7:10 /mi

Average Pace

12:57 /mi

Slowest Pace

23:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35

2% of race

Time at Steady Pace

2:09:07

76% of race

Time at Slower Pace

37:10

22% of race

Average Pace: 12:57 /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 mi07:02:5322:1211:0622:12
11:06
#4872
4M
4.00 mi07:26:4446:0311:3123:51
11:56
#5178
6M
6.00 mi07:51:531:11:1211:5225:09
12:34
#5324
8M
8.00 mi08:19:021:38:2112:1827:09
13:34
#5517
9.6M
9.60 mi08:35:441:55:0311:5916:42
10:26
#5382
10M
10.00 mi08:44:572:04:1612:269:13
23:04
#5360
10.5M
10.50 mi08:48:322:07:5112:113:35
7:10
#5421
12M
12.00 mi09:16:292:35:4812:5927:57
18:38
#5546
Finish
13.11 mi09:30:332:49:5212:5714:04
12:41
#5546
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:48

Segment Time

14:14/mi

Pace

0.90 mi

Distance

Overall

5413

Women

2269

Division

285

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi487218732345733(Top 87%)2467(Top 84%)327(Top 84%)
4M4.00 mi2.00 mi5178-3062037-164251-175366(Top 82%)2165(Top 74%)259(Top 67%)
6M6.00 mi2.00 mi5324-1462118-81259-85583(Top 85%)2290(Top 78%)282(Top 73%)
8M8.00 mi2.00 mi5517-1932229-111276-175775(Top 88%)2398(Top 82%)304(Top 78%)
9.6M9.60 mi1.60 mi5382+1352161+68260+164498(Top 68%)1812(Top 62%)233(Top 60%)
10M10.00 mi0.40 mi5360+222149+12262-24999(Top 76%)2026(Top 69%)251(Top 65%)
10.5M10.50 mi0.50 mi5421-612187-38268-66229(Top 95%)2738(Top 93%)356(Top 92%)
12M12.00 mi1.50 mi5546-1252281-94286-185733(Top 87%)2467(Top 84%)327(Top 84%)
Finish13.11 mi1.11 mi55462292-11293-75389(Top 82%)2288(Top 78%)301(Top 78%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 87%
~flat
+5ft-3ft

Overall

5733

Females

2467

F35-39

327

2M→4M

2.0 - 4.0 mi

Top 82%
×4story building
+67ft-69ft

Overall

5366

Females

2165

F35-39

260

4M→6M

4.0 - 6.0 mi

Top 85%
×9story building
+123ft-9ft

Overall

5583

Females

2290

F35-39

282

6M→8M

6.0 - 8.0 mi

Top 88%
×12story building
+166ft-53ft

Overall

5775

Females

2398

F35-39

304

8M→9.6M

8.0 - 9.6 mi

Top 68%
×13story building
+68ft-193ft

Overall

4498

Females

1812

F35-39

233

9.6M→10M

9.6 - 10.0 mi

Top 76%
×2story building
+0ft-24ft

Overall

4999

Females

2026

F35-39

251

10M→10.5M

10.0 - 10.5 mi

Top 95%
×6story building
+1ft-73ft

Overall

6229

Females

2738

F35-39

356

10.5M→12M

10.5 - 12.0 mi

Top 87%
×21story building
+280ft-26ft

Overall

5733

Females

2467

F35-39

327

12M→Finish

12.0 - 13.1 mi

Top 82%
×7story building
+14ft-89ft

Overall

5389

Females

2288

F35-39

301

Passing Analysis

Category:
Athletes Passed
515*
Passed By
1189
Net Change
-674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4872
2M → 4M74380-306#4872#5178
4M → 6M70*216-146#5178#5324
6M → 8M47*240-193#5324#5517
8M → 9.6M18449+135#5517#5382
9.6M → 10M6038+22#5382#5360
10M → 10.5M364-61#5360#5421
10.5M → 12M27*152-125#5421#5546
12M → Finish50*500#5546#5546
TOTALS515*1189-674

* 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