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SF MARATHON 1ST HALF 2026

Diane Zhou

Bib: 16006•F•Age: 33

South San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 48%
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
10:56/mi
21:53
→ flat
4M
10:50/mi
43:33
↑ 67↓ 69
6M
10:52/mi
1:05:17
↑ 1231.1%
8M
12:17/mi
1:29:52
↑ 166↓ 531.1%
9.6M
8:44/mi
1:43:51
↑ 68↓ 1931.5%
10M
19:59/mi
1:51:50
↓ 241.1%
10.5M
5:34/mi
1:54:37
↓ 732.7%
12M
16:01/mi
2:18:39
↑ 2803.2%
Finish· 13.11 mi
10:47/mi
2:30:37
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:17
Pace10:53 /mi
2nd Half
Distance7.11 mi
Time1:25:20
Pace12:00 /mi
📊Positive Split: 30.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:05:3121:5310:5621:53
10:56
-
4M
4.00 mi07:27:1143:3310:5321:40
10:50
-0:06
6M
6.00 mi07:48:551:05:1710:5321:44
10:52
+0:02
8M
8.00 mi08:13:301:29:5211:1424:35
12:17
+1:25
9.6M
9.60 mi08:27:291:43:5110:4913:59
8:44
-3:33
10M
10.00 mi08:35:281:51:5011:117:59
19:59
+11:15
10.5M
10.50 mi08:38:151:54:3710:552:47
5:34
-14:25
12M
12.00 mi09:02:172:18:3911:3324:02
16:01
+10:27
Finish
13.11 mi09:14:152:30:3711:2911:58
10:47
-5:14

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

5:34 /mi

Average Pace

11:29 /mi

Slowest Pace

19:59 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:46

11% of race

Time at Steady Pace

1:41:50

68% of race

Time at Slower Pace

32:01

21% of race

Average Pace: 11:29 /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 mi07:05:3121:5310:5621:53
10:56
#4604
4M
4.00 mi07:27:1143:3310:5321:40
10:50
#4243
6M
6.00 mi07:48:551:05:1710:5321:44
10:52
#4023
8M
8.00 mi08:13:301:29:5211:1424:35
12:17
#4260
9.6M
9.60 mi08:27:291:43:5110:4913:59
8:44
#3901
10M
10.00 mi08:35:281:51:5011:117:59
19:59
#3847
10.5M
10.50 mi08:38:151:54:3710:552:47
5:34
#3859
12M
12.00 mi09:02:172:18:3911:3324:02
16:01
#3940
Finish
13.11 mi09:14:152:30:3711:2911:58
10:47
#3908
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 55%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:46

Segment Time

11:58/mi

Pace

0.90 mi

Distance

Overall

3626

Women

1289

Division

298

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi460417143974250(Top 65%)1637(Top 56%)372(Top 57%)
4M4.00 mi2.00 mi4243+3611531+183350+474006(Top 61%)1410(Top 48%)323(Top 50%)
6M6.00 mi2.00 mi4023+2201406+125323+273734(Top 57%)1281(Top 44%)289(Top 44%)
8M8.00 mi2.00 mi4260-2371513-107355-324856(Top 74%)1834(Top 63%)428(Top 66%)
9.6M9.60 mi1.60 mi3901+3591363+150312+432404(Top 37%)841(Top 29%)180(Top 28%)
10M10.00 mi0.40 mi3847+541348+15311+13469(Top 53%)1223(Top 42%)275(Top 42%)
10.5M10.50 mi0.50 mi3859-121352-43114551(Top 69%)1751(Top 60%)394(Top 61%)
12M12.00 mi1.50 mi3940-811401-49318-74250(Top 65%)1637(Top 56%)372(Top 57%)
Finish13.11 mi1.11 mi3908+321394+7319-13795(Top 58%)1401(Top 48%)324(Top 50%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 65%
~flat
+5ft-3ft

Overall

4250

Females

1637

F30-34

374

2M→4M

2.0 - 4.0 mi

Top 61%
×4story building
+67ft-69ft

Overall

4006

Females

1410

F30-34

326

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3734

Females

1281

F30-34

291

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4856

Females

1834

F30-34

430

8M→9.6M

8.0 - 9.6 mi

Top 37%
×13story building
+68ft-193ft

Overall

2404

Females

841

F30-34

181

9.6M→10M

9.6 - 10.0 mi

Top 53%
×2story building
+0ft-24ft

Overall

3469

Females

1223

F30-34

277

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4551

Females

1751

F30-34

396

10.5M→12M

10.5 - 12.0 mi

Top 65%
×21story building
+280ft-26ft

Overall

4250

Females

1637

F30-34

374

12M→Finish

12.0 - 13.1 mi

Top 58%
×7story building
+14ft-89ft

Overall

3795

Females

1401

F30-34

324

Passing Analysis

Category:
Athletes Passed
1306*
Passed By
610
Net Change
+696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4604
2M → 4M40039+361#4604#4243
4M → 6M263*43+220#4243#4023
6M → 8M71*308-237#4023#4260
8M → 9.6M37617+359#4260#3901
9.6M → 10M7319+54#3901#3847
10M → 10.5M719-12#3847#3859
10.5M → 12M59*140-81#3859#3940
12M → Finish57*25+32#3940#3908
TOTALS1306*610+696

* 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