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SF MARATHON 1ST HALF 2026

Vanessa Alsina

Bib: 16099•F•Age: 55

San Juan, PR

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Division (F55-59)
#0 / 100
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
11:22/mi
22:44
→ flat
4M
11:45/mi
46:14
↑ 67↓ 69
6M
12:30/mi
1:11:15
↑ 1231.1%
8M
11:38/mi
1:34:31
↑ 166↓ 531.1%
9.6M
11:38/mi
1:53:08
↑ 68↓ 1931.5%
10M
20:44/mi
2:01:25
↓ 241.1%
10.5M
5:44/mi
2:04:17
↓ 732.7%
12M
15:39/mi
2:27:46
↑ 2803.2%
Finish· 13.11 mi
11:16/mi
2:40:16
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:11:15
Pace11:53 /mi
2nd Half
Distance7.11 mi
Time1:29:01
Pace12:31 /mi
📊Positive Split: 24.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:4922:4411:2222:44
11:22
-
4M
4.00 mi07:27:1946:1411:3423:30
11:45
+0:23
6M
6.00 mi07:52:201:11:1511:5325:01
12:30
+0:45
8M
8.00 mi08:15:361:34:3111:4923:16
11:38
-0:52
9.6M
9.60 mi08:34:131:53:0811:4718:37
11:38
0:00
10M
10.00 mi08:42:302:01:2512:098:17
20:44
+9:06
10.5M
10.50 mi08:45:222:04:1711:502:52
5:44
-15:00
12M
12.00 mi09:08:512:27:4612:1923:29
15:39
+9:55
Finish
13.11 mi09:21:212:40:1612:1412:30
11:16
-4:23

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

5:44 /mi

Average Pace

12:14 /mi

Slowest Pace

20:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52

2% of race

Time at Steady Pace

2:05:38

78% of race

Time at Slower Pace

31:46

20% of race

Average Pace: 12:13 /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 mi07:03:4922:4411:2222:44
11:22
#5270
4M
4.00 mi07:27:1946:1411:3423:30
11:45
#5237
6M
6.00 mi07:52:201:11:1511:5325:01
12:30
#5328
8M
8.00 mi08:15:361:34:3111:4923:16
11:38
#5023
9.6M
9.60 mi08:34:131:53:0811:4718:37
11:38
#5192
10M
10.00 mi08:42:302:01:2512:098:17
20:44
#5068
10.5M
10.50 mi08:45:222:04:1711:502:52
5:44
#5067
12M
12.00 mi09:08:512:27:4612:1923:29
15:39
#4854
Finish
13.11 mi09:21:212:40:1612:1412:30
11:16
#4749
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 62%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:09

Segment Time

12:24/mi

Pace

0.90 mi

Distance

Overall

4059

Women

1507

Division

45

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi2.00 mi52702105694006(Top 61%)1505(Top 51%)47(Top 47%)
4M4.00 mi2.00 mi5237+332073+3266+35179(Top 79%)2057(Top 70%)64(Top 64%)
6M6.00 mi2.00 mi5328-912121-48665522(Top 84%)2246(Top 77%)69(Top 69%)
8M8.00 mi2.00 mi5023+3051936+18562+44207(Top 64%)1503(Top 51%)49(Top 49%)
9.6M9.60 mi1.60 mi5192-1692046-11063-15577(Top 85%)2368(Top 81%)75(Top 75%)
10M10.00 mi0.40 mi5068+1241977+6961+23888(Top 59%)1427(Top 49%)43(Top 43%)
10.5M10.50 mi0.50 mi5067+11978-1614912(Top 75%)1957(Top 67%)62(Top 62%)
12M12.00 mi1.50 mi4854+2131883+9558+34006(Top 61%)1505(Top 51%)47(Top 47%)
Finish13.11 mi1.11 mi4749+1051828+55584312(Top 66%)1678(Top 57%)51(Top 51%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 61%
~flat
+5ft-3ft

Overall

4006

Females

1505

F55-59

47

2M→4M

2.0 - 4.0 mi

Top 79%
×4story building
+67ft-69ft

Overall

5179

Females

2057

F55-59

64

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5522

Females

2246

F55-59

69

6M→8M

6.0 - 8.0 mi

Top 64%
×12story building
+166ft-53ft

Overall

4207

Females

1503

F55-59

49

8M→9.6M

8.0 - 9.6 mi

Top 85%
×13story building
+68ft-193ft

Overall

5577

Females

2368

F55-59

75

9.6M→10M

9.6 - 10.0 mi

Top 59%
×2story building
+0ft-24ft

Overall

3888

Females

1427

F55-59

43

10M→10.5M

10.0 - 10.5 mi

Top 75%
×6story building
+1ft-73ft

Overall

4912

Females

1957

F55-59

62

10.5M→12M

10.5 - 12.0 mi

Top 61%
×21story building
+280ft-26ft

Overall

4006

Females

1505

F55-59

47

12M→Finish

12.0 - 13.1 mi

Top 66%
×7story building
+14ft-89ft

Overall

4312

Females

1678

F55-59

51

Passing Analysis

Category:
Athletes Passed
1130*
Passed By
609
Net Change
+521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5270
2M → 4M165132+33#5270#5237
4M → 6M83*174-91#5237#5328
6M → 8M328*23+305#5328#5023
8M → 9.6M43212-169#5023#5192
9.6M → 10M13410+124#5192#5068
10M → 10.5M1413+1#5068#5067
10.5M → 12M250*37+213#5067#4854
12M → Finish113*8+105#4854#4749
TOTALS1130*609+521

* 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