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SF MARATHON 1ST HALF 2026

Jennifer Simpson

Bib: 18762•F•Age: 38

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 41%
Division (F35-39)
#0 / 388
Top 41%
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
10:55/mi
21:50
→ flat
4M
10:59/mi
43:47
↑ 67↓ 69
6M
10:51/mi
1:05:30
↑ 1231.1%
8M
10:21/mi
1:26:13
↑ 166↓ 531.1%
9.6M
10:21/mi
1:42:47
↑ 68↓ 1931.5%
10M
18:41/mi
1:50:15
↓ 241.1%
10.5M
4:52/mi
1:52:41
↓ 732.7%
12M
14:41/mi
2:14:43
↑ 2803.2%
Finish· 13.11 mi
10:52/mi
2:26:46
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:30
Pace10:55 /mi
2nd Half
Distance7.11 mi
Time1:21:16
Pace11:26 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:4221:5010:5521:50
10:55
-
4M
4.00 mi07:30:3943:4710:5721:57
10:59
+0:04
6M
6.00 mi07:52:221:05:3010:5521:43
10:51
-0:08
8M
8.00 mi08:13:051:26:1310:4720:43
10:21
-0:30
9.6M
9.60 mi08:29:391:42:4710:4216:34
10:21
0:00
10M
10.00 mi08:37:071:50:1511:027:28
18:41
+8:20
10.5M
10.50 mi08:39:331:52:4110:442:26
4:52
-13:49
12M
12.00 mi09:01:352:14:4311:1422:02
14:41
+9:49
Finish
13.11 mi09:13:382:26:4611:1212:03
10:52
-3:49

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

4:52 /mi

Average Pace

11:12 /mi

Slowest Pace

18:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26

2% of race

Time at Steady Pace

1:54:50

78% of race

Time at Slower Pace

29:30

20% of race

Average Pace: 11:12 /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 mi07:08:4221:5010:5521:50
10:55
#4571
4M
4.00 mi07:30:3943:4710:5721:57
10:59
#4320
6M
6.00 mi07:52:221:05:3010:5521:43
10:51
#4081
8M
8.00 mi08:13:051:26:1310:4720:43
10:21
#3659
9.6M
9.60 mi08:29:391:42:4710:4216:34
10:21
#3754
10M
10.00 mi08:37:071:50:1511:027:28
18:41
#3660
10.5M
10.50 mi08:39:331:52:4110:442:26
4:52
#3644
12M
12.00 mi09:01:352:14:4311:1422:02
14:41
#3560
Finish
13.11 mi09:13:382:26:4611:1212:03
10:52
#3555
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 41%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:54

Segment Time

11:00/mi

Pace

0.90 mi

Distance

Overall

2723

Women

867

Division

114

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi457116982103306(Top 50%)1169(Top 40%)149(Top 38%)
4M4.00 mi2.00 mi4320+2511569+129193+174168(Top 63%)1495(Top 51%)185(Top 48%)
6M6.00 mi2.00 mi4081+2391440+129180+133726(Top 57%)1277(Top 44%)166(Top 43%)
8M8.00 mi2.00 mi3659+4221236+204162+182799(Top 43%)820(Top 28%)120(Top 31%)
9.6M9.60 mi1.60 mi3754-951292-56170-84406(Top 67%)1765(Top 60%)226(Top 58%)
10M10.00 mi0.40 mi3660+941252+40164+62813(Top 43%)923(Top 32%)121(Top 31%)
10.5M10.50 mi0.50 mi3644+161242+10162+22812(Top 43%)908(Top 31%)126(Top 32%)
12M12.00 mi1.50 mi3560+841210+32161+13306(Top 50%)1169(Top 40%)149(Top 38%)
Finish13.11 mi1.11 mi3555+51213-31613873(Top 59%)1439(Top 49%)185(Top 48%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 50%
~flat
+5ft-3ft

Overall

3306

Females

1169

F35-39

149

2M→4M

2.0 - 4.0 mi

Top 63%
×4story building
+67ft-69ft

Overall

4168

Females

1495

F35-39

185

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3726

Females

1277

F35-39

166

6M→8M

6.0 - 8.0 mi

Top 43%
×12story building
+166ft-53ft

Overall

2799

Females

820

F35-39

120

8M→9.6M

8.0 - 9.6 mi

Top 67%
×13story building
+68ft-193ft

Overall

4406

Females

1765

F35-39

226

9.6M→10M

9.6 - 10.0 mi

Top 43%
×2story building
+0ft-24ft

Overall

2813

Females

923

F35-39

121

10M→10.5M

10.0 - 10.5 mi

Top 43%
×6story building
+1ft-73ft

Overall

2812

Females

908

F35-39

126

10.5M→12M

10.5 - 12.0 mi

Top 50%
×21story building
+280ft-26ft

Overall

3306

Females

1169

F35-39

149

12M→Finish

12.0 - 13.1 mi

Top 59%
×7story building
+14ft-89ft

Overall

3873

Females

1439

F35-39

185

Passing Analysis

Category:
Athletes Passed
1380*
Passed By
364
Net Change
+1016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4571
2M → 4M31564+251#4571#4320
4M → 6M271*32+239#4320#4081
6M → 8M436*14+422#4081#3659
8M → 9.6M58153-95#3659#3754
9.6M → 10M1006+94#3754#3660
10M → 10.5M215+16#3660#3644
10.5M → 12M134*50+84#3644#3560
12M → Finish45*40+5#3560#3555
TOTALS1380*364+1016

* 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