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SF MARATHON 2ND HALF 2026

Samantha Serrano

Bib: 24563•F•Age: 30

Concord, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F30-34)
#0 / 408
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
23:38
Rank: #3223
Start → 2M
11:49/mi
23:38 split
4M
45:55
Rank: #3091 (+132)
2M → 4M
11:09/mi
22:17 split
6M
1:14:46
Rank: #3099 (-8)
4M → 6M
14:25/mi
28:51 split
8M
1:32:23
Rank: #3053 (+46)
6M → 8M
8:48/mi
17:37 split
10M
1:57:01
Rank: #3020 (+33)
8M → 10M
12:19/mi
24:38 split
12M
2:22:35
Rank: #2983 (+37)
10M → 12M
12:47/mi
25:34 split
Finish· 13.11 mi
2:36:02
Rank: #2962 (+21)
12M → Finish
12:08/mi
13:27 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:46
Pace12:28 /mi
2nd Half
Distance7.11 mi
Time1:21:16
Pace11:26 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:12:4623:3811:4923:38
11:49
-
4M
4.00 mi09:35:0345:5511:2922:17
11:09
-0:40
6M
6.00 mi10:03:541:14:4612:2828:51
14:25
+3:16
8M
8.00 mi10:21:311:32:2311:3317:37
8:48
-5:37
10M
10.00 mi10:46:091:57:0111:4224:38
12:19
+3:31
12M
12.00 mi11:11:432:22:3511:5325:34
12:47
+0:28
Finish
13.11 mi11:25:102:36:0211:5413:27
12:08
-0:39

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

8:48 /mi

Average Pace

11:54 /mi

Slowest Pace

14:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:54

26% of race

Time at Steady Pace

1:27:17

56% of race

Time at Slower Pace

28:51

18% of race

Average Pace: 11:54 /mi

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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 mi09:12:4623:3811:4923:38
11:49
#3223
4M
4.00 mi09:35:0345:5511:2922:17
11:09
#3091
6M
6.00 mi10:03:541:14:4612:2828:51
14:25
#3099
8M
8.00 mi10:21:311:32:2311:3317:37
8:48
#3053
10M
10.00 mi10:46:091:57:0111:4224:38
12:19
#3020
12M
12.00 mi11:11:432:22:3511:5325:34
12:47
#2983
Finish
13.11 mi11:25:102:36:0211:5413:27
12:08
#2962
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi322313753292818(Top 73%)1178(Top 67%)293(Top 72%)
4M4.00 mi2.00 mi3091+1321296+79317+122940(Top 77%)1207(Top 69%)297(Top 73%)
6M6.00 mi2.00 mi3099-81299-3316+13079(Top 80%)1283(Top 73%)311(Top 76%)
8M8.00 mi2.00 mi3053+461270+29313+32843(Top 74%)1163(Top 66%)296(Top 73%)
10M10.00 mi2.00 mi3020+331258+12311+22904(Top 76%)1197(Top 68%)302(Top 74%)
12M12.00 mi2.00 mi2983+371240+18309+22818(Top 73%)1178(Top 67%)293(Top 72%)
Finish13.11 mi1.11 mi2962+211230+103092741(Top 71%)1144(Top 65%)297(Top 73%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 73%
×9story building
+138ft-68ft

Overall

2818

Females

1178

F30-34

293

2M→4M

2.0 - 4.0 mi

Top 77%
×13story building
+163ft-19ft

Overall

2940

Females

1207

F30-34

298

4M→6M

4.0 - 6.0 mi

Top 80%
×4story building
+55ft-83ft

Overall

3079

Females

1283

F30-34

311

6M→8M

6.0 - 8.0 mi

Top 74%
×10story building
+65ft-151ft

Overall

2843

Females

1163

F30-34

296

8M→10M

8.0 - 10.0 mi

Top 76%
×10story building
+61ft-174ft

Overall

2904

Females

1197

F30-34

302

10M→12M

10.0 - 12.0 mi

Top 73%
×3story building
+41ft-53ft

Overall

2818

Females

1178

F30-34

293

12M→Finish

12.0 - 13.1 mi

Top 71%
×1human
+6ft-6ft

Overall

2741

Females

1144

F30-34

297

Passing Analysis

Category:
Athletes Passed
390*
Passed By
129
Net Change
+261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3223
2M → 4M14816+132#3223#3091
4M → 6M4957-8#3091#3099
6M → 8M58*12+46#3099#3053
8M → 10M56*23+33#3053#3020
10M → 12M458+37#3020#2983
12M → Finish34*13+21#2983#2962
TOTALS390*129+261

* 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