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SF MARATHON 1ST HALF 2026

Jennifer De Silva

Bib: 18826•F•Age: 51

Newark, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Division (F50-54)
#0 / 143
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
10:52/mi
21:45
→ flat
4M
11:46/mi
45:16
↑ 67↓ 69
6M
12:13/mi
1:09:43
↑ 1231.1%
8M
13:09/mi
1:36:01
↑ 166↓ 531.1%
9.6M
9:07/mi
1:50:37
↑ 68↓ 1931.5%
10M
21:09/mi
1:59:04
↓ 241.1%
10.5M
5:46/mi
2:01:57
↓ 732.7%
12M
18:01/mi
2:28:59
↑ 2803.2%
Finish· 13.11 mi
11:14/mi
2:41:27
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:43
Pace11:37 /mi
2nd Half
Distance7.11 mi
Time1:31:44
Pace12:54 /mi
📊Positive Split: 31.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:1621:4510:5221:45
10:52
-
4M
4.00 mi07:19:4745:1611:1923:31
11:46
+0:54
6M
6.00 mi07:44:141:09:4311:3724:27
12:13
+0:27
8M
8.00 mi08:10:321:36:0112:0026:18
13:09
+0:56
9.6M
9.60 mi08:25:081:50:3711:3114:36
9:07
-4:02
10M
10.00 mi08:33:351:59:0411:548:27
21:09
+12:02
10.5M
10.50 mi08:36:282:01:5711:372:53
5:46
-15:23
12M
12.00 mi09:03:302:28:5912:2527:02
18:01
+12:15
Finish
13.11 mi09:15:582:41:2712:1912:28
11:14
-6:47

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

5:46 /mi

Average Pace

12:19 /mi

Slowest Pace

21:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:29

11% of race

Time at Steady Pace

1:48:29

67% of race

Time at Slower Pace

35:29

22% of race

Average Pace: 12:19 /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 mi06:56:1621:4510:5221:45
10:52
#4526
4M
4.00 mi07:19:4745:1611:1923:31
11:46
#4916
6M
6.00 mi07:44:141:09:4311:3724:27
12:13
#5081
8M
8.00 mi08:10:321:36:0112:0026:18
13:09
#5217
9.6M
9.60 mi08:25:081:50:3711:3114:36
9:07
#4887
10M
10.00 mi08:33:351:59:0411:548:27
21:09
#4816
10.5M
10.50 mi08:36:282:01:5711:372:53
5:46
#4814
12M
12.00 mi09:03:302:28:5912:2527:02
18:01
#4960
Finish
13.11 mi09:15:582:41:2712:1912:28
11:14
#4854
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 65%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:20

Segment Time

12:36/mi

Pace

0.90 mi

Distance

Overall

4252

Women

1617

Division

65

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi2.00 mi45261677655438(Top 83%)2294(Top 78%)104(Top 73%)
4M4.00 mi2.00 mi4916-3901896-21970-55194(Top 79%)2064(Top 70%)81(Top 57%)
6M6.00 mi2.00 mi5081-1651985-8977-75289(Top 80%)2111(Top 72%)87(Top 61%)
8M8.00 mi2.00 mi5217-1362049-6483-65545(Top 84%)2260(Top 77%)95(Top 66%)
9.6M9.60 mi1.60 mi4887+3301879+17076+72915(Top 44%)1073(Top 37%)50(Top 35%)
10M10.00 mi0.40 mi4816+711838+4175+14143(Top 63%)1569(Top 54%)68(Top 48%)
10.5M10.50 mi0.50 mi4814+21840-2754963(Top 75%)1991(Top 68%)80(Top 56%)
12M12.00 mi1.50 mi4960-1461942-10282-75438(Top 83%)2294(Top 78%)104(Top 73%)
Finish13.11 mi1.11 mi4854+1061890+5275+74282(Top 65%)1656(Top 57%)64(Top 45%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 83%
~flat
+5ft-3ft

Overall

5438

Females

2294

F50-54

106

2M→4M

2.0 - 4.0 mi

Top 79%
×4story building
+67ft-69ft

Overall

5194

Females

2064

F50-54

83

4M→6M

4.0 - 6.0 mi

Top 80%
×9story building
+123ft-9ft

Overall

5289

Females

2111

F50-54

89

6M→8M

6.0 - 8.0 mi

Top 84%
×12story building
+166ft-53ft

Overall

5545

Females

2260

F50-54

97

8M→9.6M

8.0 - 9.6 mi

Top 44%
×13story building
+68ft-193ft

Overall

2915

Females

1073

F50-54

52

9.6M→10M

9.6 - 10.0 mi

Top 63%
×2story building
+0ft-24ft

Overall

4143

Females

1569

F50-54

70

10M→10.5M

10.0 - 10.5 mi

Top 75%
×6story building
+1ft-73ft

Overall

4963

Females

1991

F50-54

81

10.5M→12M

10.5 - 12.0 mi

Top 83%
×21story building
+280ft-26ft

Overall

5438

Females

2294

F50-54

106

12M→Finish

12.0 - 13.1 mi

Top 65%
×7story building
+14ft-89ft

Overall

4282

Females

1656

F50-54

64

Passing Analysis

Category:
Athletes Passed
835*
Passed By
1163
Net Change
-328
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4526
2M → 4M77467-390#4526#4916
4M → 6M90*255-165#4916#5081
6M → 8M70*206-136#5081#5217
8M → 9.6M3377+330#5217#4887
9.6M → 10M8615+71#4887#4816
10M → 10.5M1311+2#4816#4814
10.5M → 12M47*193-146#4814#4960
12M → Finish115*9+106#4960#4854
TOTALS835*1163-328

* 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