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SF MARATHON 1ST HALF 2026

Samantha Miller

Bib: 14921•F•Age: 35

Alameda, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
11:44/mi
23:29
→ flat
4M
12:31/mi
48:31
↑ 67↓ 69
6M
12:37/mi
1:13:45
↑ 1231.1%
8M
13:55/mi
1:41:35
↑ 166↓ 531.1%
9.6M
10:01/mi
1:57:37
↑ 68↓ 1931.5%
10M
24:52/mi
2:07:33
↓ 241.1%
10.5M
5:50/mi
2:10:28
↓ 732.7%
12M
17:36/mi
2:36:52
↑ 2803.2%
Finish· 13.11 mi
13:00/mi
2:51:17
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:13:45
Pace12:18 /mi
2nd Half
Distance7.11 mi
Time1:37:32
Pace13:43 /mi
📊Positive Split: 32.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:07:3223:2911:4423:29
11:44
-
4M
4.00 mi07:32:3448:3112:0825:02
12:31
+0:47
6M
6.00 mi07:57:481:13:4512:1825:14
12:37
+0:06
8M
8.00 mi08:25:381:41:3512:4227:50
13:55
+1:18
9.6M
9.60 mi08:41:401:57:3712:1516:02
10:01
-3:54
10M
10.00 mi08:51:362:07:3312:459:56
24:52
+14:51
10.5M
10.50 mi08:54:312:10:2812:262:55
5:50
-19:02
12M
12.00 mi09:20:552:36:5213:0426:24
17:36
+11:46
Finish
13.11 mi09:35:202:51:1713:0414:25
13:00
-4:36

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

5:50 /mi

Average Pace

13:04 /mi

Slowest Pace

24:52 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:57

11% of race

Time at Steady Pace

1:56:00

68% of race

Time at Slower Pace

36:20

21% of race

Average Pace: 13:04 /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 mi07:07:3223:2911:4423:29
11:44
#5652
4M
4.00 mi07:32:3448:3112:0825:02
12:31
#5788
6M
6.00 mi07:57:481:13:4512:1825:14
12:37
#5726
8M
8.00 mi08:25:381:41:3512:4227:50
13:55
#5851
9.6M
9.60 mi08:41:401:57:3712:1516:02
10:01
#5637
10M
10.00 mi08:51:362:07:3312:459:56
24:52
#5664
10.5M
10.50 mi08:54:312:10:2812:262:55
5:50
#5643
12M
12.00 mi09:20:552:36:5213:0426:24
17:36
#5619
Finish
13.11 mi09:35:202:51:1713:0414:25
13:00
#5631
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 83%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:51

Segment Time

14:17/mi

Pace

0.90 mi

Distance

Overall

5452

Women

2288

Division

289

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi565223353025224(Top 79%)2182(Top 74%)280(Top 72%)
4M4.00 mi2.00 mi5788-1362403-68297+55852(Top 89%)2469(Top 84%)301(Top 78%)
6M6.00 mi2.00 mi5726+622363+40294+35610(Top 85%)2305(Top 79%)284(Top 73%)
8M8.00 mi2.00 mi5851-1252441-78310-165937(Top 90%)2496(Top 85%)323(Top 83%)
9.6M9.60 mi1.60 mi5637+2142310+131285+254017(Top 61%)1589(Top 54%)197(Top 51%)
10M10.00 mi0.40 mi5664-272333-23292-75586(Top 85%)2372(Top 81%)307(Top 79%)
10.5M10.50 mi0.50 mi5643+212322+11290+25096(Top 78%)2067(Top 71%)253(Top 65%)
12M12.00 mi1.50 mi5619+242326-4296-65224(Top 79%)2182(Top 74%)280(Top 72%)
Finish13.11 mi1.11 mi5631-122340-14302-65557(Top 85%)2379(Top 81%)313(Top 81%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 79%
~flat
+5ft-3ft

Overall

5224

Females

2182

F35-39

280

2M→4M

2.0 - 4.0 mi

Top 89%
×4story building
+67ft-69ft

Overall

5852

Females

2469

F35-39

302

4M→6M

4.0 - 6.0 mi

Top 85%
×9story building
+123ft-9ft

Overall

5610

Females

2305

F35-39

284

6M→8M

6.0 - 8.0 mi

Top 90%
×12story building
+166ft-53ft

Overall

5937

Females

2496

F35-39

323

8M→9.6M

8.0 - 9.6 mi

Top 61%
×13story building
+68ft-193ft

Overall

4017

Females

1589

F35-39

197

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5586

Females

2372

F35-39

307

10M→10.5M

10.0 - 10.5 mi

Top 78%
×6story building
+1ft-73ft

Overall

5096

Females

2067

F35-39

253

10.5M→12M

10.5 - 12.0 mi

Top 79%
×21story building
+280ft-26ft

Overall

5224

Females

2182

F35-39

280

12M→Finish

12.0 - 13.1 mi

Top 85%
×7story building
+14ft-89ft

Overall

5557

Females

2379

F35-39

313

Passing Analysis

Category:
Athletes Passed
670*
Passed By
649
Net Change
+21
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5652
2M → 4M68*204-136#5652#5788
4M → 6M131*69+62#5788#5726
6M → 8M68*193-125#5726#5851
8M → 9.6M23622+214#5851#5637
9.6M → 10M2653-27#5637#5664
10M → 10.5M210+21#5664#5643
10.5M → 12M76*52+24#5643#5619
12M → Finish44*56-12#5619#5631
TOTALS670*649+21

* 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