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SF MARATHON 1ST HALF 2026

Jennifer Zhou

Bib: 18609•F•Age: 32

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 47%
Division (F30-34)
#0 / 651
Top 49%
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
10:31/mi
21:03
→ flat
4M
10:57/mi
42:56
↑ 67↓ 69
6M
10:42/mi
1:04:20
↑ 1231.1%
8M
10:53/mi
1:26:06
↑ 166↓ 531.1%
9.6M
10:53/mi
1:43:31
↑ 68↓ 1931.5%
10M
20:01/mi
1:51:31
↓ 241.1%
10.5M
5:14/mi
1:54:08
↓ 732.7%
12M
16:25/mi
2:18:46
↑ 2803.2%
Finish· 13.11 mi
10:31/mi
2:30:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:20
Pace10:43 /mi
2nd Half
Distance7.11 mi
Time1:26:06
Pace12:07 /mi
📊Positive Split: 33.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:4821:0310:3121:03
10:31
-
4M
4.00 mi07:32:4142:5610:4421:53
10:57
+0:26
6M
6.00 mi07:54:051:04:2010:4321:24
10:42
-0:15
8M
8.00 mi08:15:511:26:0610:4621:46
10:53
+0:11
9.6M
9.60 mi08:33:161:43:3110:4717:25
10:53
0:00
10M
10.00 mi08:41:161:51:3111:098:00
20:01
+9:08
10.5M
10.50 mi08:43:531:54:0810:522:37
5:14
-14:47
12M
12.00 mi09:08:312:18:4611:3424:38
16:25
+11:11
Finish
13.11 mi09:20:112:30:2611:2911:40
10:31
-5:54

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

5:14 /mi

Average Pace

11:29 /mi

Slowest Pace

20:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37

2% of race

Time at Steady Pace

1:55:11

77% of race

Time at Slower Pace

32:38

22% of race

Average Pace: 11:28 /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 mi07:10:4821:0310:3121:03
10:31
#3969
4M
4.00 mi07:32:4142:5610:4421:53
10:57
#4046
6M
6.00 mi07:54:051:04:2010:4321:24
10:42
#3822
8M
8.00 mi08:15:511:26:0610:4621:46
10:53
#3639
9.6M
9.60 mi08:33:161:43:3110:4717:25
10:53
#3849
10M
10.00 mi08:41:161:51:3111:098:00
20:01
#3796
10.5M
10.50 mi08:43:531:54:0810:522:37
5:14
#3793
12M
12.00 mi09:08:312:18:4611:3424:38
16:25
#3945
Finish
13.11 mi09:20:112:30:2611:2911:40
10:31
#3894
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 53%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:37

Segment Time

11:48/mi

Pace

0.90 mi

Distance

Overall

3456

Women

1204

Division

278

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi396913933164493(Top 68%)1769(Top 60%)405(Top 62%)
4M4.00 mi2.00 mi4046-771426-33321-54139(Top 63%)1474(Top 50%)330(Top 51%)
6M6.00 mi2.00 mi3822+2241317+109298+233561(Top 54%)1200(Top 41%)272(Top 42%)
8M8.00 mi2.00 mi3639+1831228+89290+83418(Top 52%)1119(Top 38%)255(Top 39%)
9.6M9.60 mi1.60 mi3849-2101340-112305-154928(Top 75%)2030(Top 69%)461(Top 71%)
10M10.00 mi0.40 mi3796+531323+17302+33489(Top 53%)1233(Top 42%)277(Top 43%)
10.5M10.50 mi0.50 mi3793+31318+5304-23757(Top 57%)1324(Top 45%)292(Top 45%)
12M12.00 mi1.50 mi3945-1521403-85320-164493(Top 68%)1769(Top 60%)405(Top 62%)
Finish13.11 mi1.11 mi3894+511385+18316+43505(Top 53%)1262(Top 43%)289(Top 44%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 68%
~flat
+5ft-3ft

Overall

4493

Females

1769

F30-34

407

2M→4M

2.0 - 4.0 mi

Top 63%
×4story building
+67ft-69ft

Overall

4139

Females

1474

F30-34

333

4M→6M

4.0 - 6.0 mi

Top 54%
×9story building
+123ft-9ft

Overall

3561

Females

1200

F30-34

274

6M→8M

6.0 - 8.0 mi

Top 52%
×12story building
+166ft-53ft

Overall

3418

Females

1119

F30-34

257

8M→9.6M

8.0 - 9.6 mi

Top 75%
×13story building
+68ft-193ft

Overall

4928

Females

2030

F30-34

463

9.6M→10M

9.6 - 10.0 mi

Top 53%
×2story building
+0ft-24ft

Overall

3489

Females

1233

F30-34

279

10M→10.5M

10.0 - 10.5 mi

Top 57%
×6story building
+1ft-73ft

Overall

3757

Females

1324

F30-34

294

10.5M→12M

10.5 - 12.0 mi

Top 68%
×21story building
+280ft-26ft

Overall

4493

Females

1769

F30-34

407

12M→Finish

12.0 - 13.1 mi

Top 53%
×7story building
+14ft-89ft

Overall

3505

Females

1262

F30-34

289

Passing Analysis

Category:
Athletes Passed
869*
Passed By
794
Net Change
+75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3969
2M → 4M152229-77#3969#4046
4M → 6M262*38+224#4046#3822
6M → 8M245*62+183#3822#3639
8M → 9.6M17227-210#3639#3849
9.6M → 10M7017+53#3849#3796
10M → 10.5M1512+3#3796#3793
10.5M → 12M40*192-152#3793#3945
12M → Finish68*17+51#3945#3894
TOTALS869*794+75

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events