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SF MARATHON 1ST HALF 2026

Persi Shafto

Bib: 14172•F•Age: 56

mountain view, CA

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
12:15/mi
24:31
→ flat
4M
12:19/mi
49:09
↑ 67↓ 69
6M
12:57/mi
1:15:04
↑ 1231.1%
8M
14:20/mi
1:43:45
↑ 166↓ 531.1%
9.6M
9:52/mi
1:59:33
↑ 68↓ 1931.5%
10M
23:12/mi
2:08:49
↓ 241.1%
10.5M
6:10/mi
2:11:54
↓ 732.7%
12M
18:25/mi
2:39:31
↑ 2803.2%
Finish· 13.11 mi
12:07/mi
2:52:57
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:15:04
Pace12:31 /mi
2nd Half
Distance7.11 mi
Time1:37:53
Pace13:46 /mi
📊Positive Split: 30.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:3824:3112:1524:31
12:15
-
4M
4.00 mi07:27:1649:0912:1724:38
12:19
+0:04
6M
6.00 mi07:53:111:15:0412:3125:55
12:57
+0:38
8M
8.00 mi08:21:521:43:4512:5828:41
14:20
+1:23
9.6M
9.60 mi08:37:401:59:3312:2715:48
9:52
-4:28
10M
10.00 mi08:46:562:08:4912:539:16
23:12
+13:20
10.5M
10.50 mi08:50:012:11:5412:343:05
6:10
-17:02
12M
12.00 mi09:17:382:39:3113:1827:37
18:25
+12:15
Finish
13.11 mi09:31:042:52:5713:1213:26
12:07
-6:18

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

6:10 /mi

Average Pace

13:12 /mi

Slowest Pace

23:12 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:53

11% of race

Time at Steady Pace

1:57:11

68% of race

Time at Slower Pace

36:53

21% of race

Average Pace: 13:12 /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 mi07:02:3824:3112:1524:31
12:15
#6078
4M
4.00 mi07:27:1649:0912:1724:38
12:19
#5918
6M
6.00 mi07:53:111:15:0412:3125:55
12:57
#5899
8M
8.00 mi08:21:521:43:4512:5828:41
14:20
#6028
9.6M
9.60 mi08:37:401:59:3312:2715:48
9:52
#5817
10M
10.00 mi08:46:562:08:4912:539:16
23:12
#5764
10.5M
10.50 mi08:50:012:11:5412:343:05
6:10
#5756
12M
12.00 mi09:17:382:39:3113:1827:37
18:25
#5789
Finish
13.11 mi09:31:042:52:5713:1213:26
12:07
#5725
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 78%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:21

Segment Time

13:44/mi

Pace

0.90 mi

Distance

Overall

5124

Women

2086

Division

67

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi2.00 mi60782591835652(Top 86%)2421(Top 83%)80(Top 80%)
4M4.00 mi2.00 mi5918+1602488+10380+35704(Top 87%)2370(Top 81%)75(Top 75%)
6M6.00 mi2.00 mi5899+192472+1681-15819(Top 89%)2431(Top 83%)77(Top 77%)
8M8.00 mi2.00 mi6028-1292546-7484-36082(Top 93%)2590(Top 88%)88(Top 88%)
9.6M9.60 mi1.60 mi5817+2112430+11677+73855(Top 59%)1513(Top 52%)41(Top 41%)
10M10.00 mi0.40 mi5764+532403+27775049(Top 77%)2051(Top 70%)66(Top 66%)
10.5M10.50 mi0.50 mi5756+82399+4775579(Top 85%)2348(Top 80%)77(Top 77%)
12M12.00 mi1.50 mi5789-332427-2878-15652(Top 86%)2421(Top 83%)80(Top 80%)
Finish13.11 mi1.11 mi5725+642392+3577+15002(Top 76%)2080(Top 71%)66(Top 66%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 86%
~flat
+5ft-3ft

Overall

5652

Females

2421

F55-59

80

2M→4M

2.0 - 4.0 mi

Top 87%
×4story building
+67ft-69ft

Overall

5704

Females

2370

F55-59

75

4M→6M

4.0 - 6.0 mi

Top 89%
×9story building
+123ft-9ft

Overall

5819

Females

2431

F55-59

77

6M→8M

6.0 - 8.0 mi

Top 93%
×12story building
+166ft-53ft

Overall

6082

Females

2590

F55-59

88

8M→9.6M

8.0 - 9.6 mi

Top 59%
×13story building
+68ft-193ft

Overall

3855

Females

1513

F55-59

41

9.6M→10M

9.6 - 10.0 mi

Top 77%
×2story building
+0ft-24ft

Overall

5049

Females

2051

F55-59

66

10M→10.5M

10.0 - 10.5 mi

Top 85%
×6story building
+1ft-73ft

Overall

5579

Females

2348

F55-59

77

10.5M→12M

10.5 - 12.0 mi

Top 86%
×21story building
+280ft-26ft

Overall

5652

Females

2421

F55-59

80

12M→Finish

12.0 - 13.1 mi

Top 76%
×7story building
+14ft-89ft

Overall

5002

Females

2080

F55-59

66

Passing Analysis

Category:
Athletes Passed
787*
Passed By
434
Net Change
+353
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6078
2M → 4M207*47+160#6078#5918
4M → 6M100*81+19#5918#5899
6M → 8M44*173-129#5899#6028
8M → 9.6M22615+211#6028#5817
9.6M → 10M7623+53#5817#5764
10M → 10.5M168+8#5764#5756
10.5M → 12M46*79-33#5756#5789
12M → Finish72*8+64#5789#5725
TOTALS787*434+353

* 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