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SF MARATHON 1ST HALF 2026

Mu-Jay Tai

Bib: 18610•F•Age: 28

Santa Clara, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 44%
Gender (Female)
#0 / 2930
Top 31%
Division (F25-29)
#0 / 674
Top 34%
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
10:12/mi
20:25
→ flat
4M
10:33/mi
41:30
↑ 67↓ 69
6M
10:50/mi
1:03:11
↑ 1231.1%
8M
9:44/mi
1:22:39
↑ 166↓ 531.1%
9.6M
9:44/mi
1:38:13
↑ 68↓ 1931.5%
10M
18:26/mi
1:45:35
↓ 241.1%
10.5M
4:46/mi
1:47:58
↓ 732.7%
12M
14:02/mi
2:09:01
↑ 2803.2%
Finish· 13.11 mi
9:21/mi
2:19:23
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:11
Pace10:32 /mi
2nd Half
Distance7.11 mi
Time1:16:12
Pace10:43 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:4120:2510:1220:25
10:12
-
4M
4.00 mi07:30:4641:3010:2321:05
10:33
+0:21
6M
6.00 mi07:52:271:03:1110:3221:41
10:50
+0:17
8M
8.00 mi08:11:551:22:3910:2019:28
9:44
-1:06
9.6M
9.60 mi08:27:291:38:1310:1415:34
9:44
0:00
10M
10.00 mi08:34:511:45:3510:347:22
18:26
+8:42
10.5M
10.50 mi08:37:141:47:5810:172:23
4:46
-13:40
12M
12.00 mi08:58:172:09:0110:4521:03
14:02
+9:16
Finish
13.11 mi09:08:392:19:2310:3810:22
9:21
-4:41

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

4:46 /mi

Average Pace

10:38 /mi

Slowest Pace

18:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23

2% of race

Time at Steady Pace

1:48:35

78% of race

Time at Slower Pace

28:25

20% of race

Average Pace: 10:38 /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 mi07:09:4120:2510:1220:25
10:12
#3382
4M
4.00 mi07:30:4641:3010:2321:05
10:33
#3501
6M
6.00 mi07:52:271:03:1110:3221:41
10:50
#3538
8M
8.00 mi08:11:551:22:3910:2019:28
9:44
#3071
9.6M
9.60 mi08:27:291:38:1310:1415:34
9:44
#3154
10M
10.00 mi08:34:511:45:3510:347:22
18:26
#3071
10.5M
10.50 mi08:37:141:47:5810:172:23
4:46
#3060
12M
12.00 mi08:58:172:09:0110:4521:03
14:02
#2988
Finish
13.11 mi09:08:392:19:2310:3810:22
9:21
#2877
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 39%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:45

Segment Time

10:50/mi

Pace

0.90 mi

Distance

Overall

2545

Women

778

Division

198

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi338211272672769(Top 42%)902(Top 31%)235(Top 35%)
4M4.00 mi2.00 mi3501-1191173-46280-133609(Top 55%)1220(Top 42%)303(Top 45%)
6M6.00 mi2.00 mi3538-371188-15299-193703(Top 56%)1264(Top 43%)323(Top 48%)
8M8.00 mi2.00 mi3071+467946+242233+662048(Top 31%)519(Top 18%)120(Top 18%)
9.6M9.60 mi1.60 mi3154-831003-57243-103651(Top 56%)1409(Top 48%)344(Top 51%)
10M10.00 mi0.40 mi3071+83979+24240+32645(Top 40%)841(Top 29%)203(Top 30%)
10.5M10.50 mi0.50 mi3060+11973+6237+32543(Top 39%)790(Top 27%)196(Top 29%)
12M12.00 mi1.50 mi2988+72949+24235+22769(Top 42%)902(Top 31%)235(Top 35%)
Finish13.11 mi1.11 mi2877+111908+41226+92073(Top 32%)585(Top 20%)160(Top 24%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2769

Females

902

F25-29

235

2M→4M

2.0 - 4.0 mi

Top 55%
×4story building
+67ft-69ft

Overall

3609

Females

1220

F25-29

303

4M→6M

4.0 - 6.0 mi

Top 56%
×9story building
+123ft-9ft

Overall

3703

Females

1264

F25-29

323

6M→8M

6.0 - 8.0 mi

Top 31%
×12story building
+166ft-53ft

Overall

2048

Females

519

F25-29

120

8M→9.6M

8.0 - 9.6 mi

Top 56%
×13story building
+68ft-193ft

Overall

3651

Females

1409

F25-29

344

9.6M→10M

9.6 - 10.0 mi

Top 40%
×2story building
+0ft-24ft

Overall

2645

Females

841

F25-29

203

10M→10.5M

10.0 - 10.5 mi

Top 39%
×6story building
+1ft-73ft

Overall

2543

Females

790

F25-29

196

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2769

Females

902

F25-29

235

12M→Finish

12.0 - 13.1 mi

Top 32%
×7story building
+14ft-89ft

Overall

2073

Females

585

F25-29

160

Passing Analysis

Category:
Athletes Passed
1124*
Passed By
619
Net Change
+505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3382
2M → 4M124243-119#3382#3501
4M → 6M111148-37#3501#3538
6M → 8M474*7+467#3538#3071
8M → 9.6M69152-83#3071#3154
9.6M → 10M929+83#3154#3071
10M → 10.5M176+11#3071#3060
10.5M → 12M12250+72#3060#2988
12M → Finish115*4+111#2988#2877
TOTALS1124*619+505

* 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