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SF MARATHON 2ND HALF 2026

Lauren Seminack

Bib: 24427•F•Age: 31

West Hollywood, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 31%
Gender (Female)
#0 / 1760
Top 20%
Division (F30-34)
#0 / 408
Top 20%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:51/mi
19:43
↑ 138↓ 680.7%
4M
8:54/mi
37:30
↑ 1631.4%
6M
11:25/mi
1:00:21
↑ 55↓ 830.3%
8M
6:48/mi
1:13:57
↑ 65↓ 1510.8%
10M
9:03/mi
1:32:03
↑ 61↓ 1741.1%
12M
8:56/mi
1:49:56
↑ 41↓ 530.1%
Finish· 13.11 mi
8:33/mi
1:59:25
→ flat

The Course

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Half Splits

1st Half· via 6M
Distance6.00 mi
Time1:00:21
Pace10:04 /mi
2nd Half✓ Faster
Distance7.11 mi
Time59:04
Pace8:19 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:06:2819:439:5119:43
9:51
-
4M
4.00 mi09:24:1537:309:2317:47
8:54
-0:57
6M
6.00 mi09:47:061:00:2110:0422:51
11:25
+2:31
8M
8.00 mi10:00:421:13:579:1513:36
6:48
-4:37
10M
10.00 mi10:18:481:32:039:1218:06
9:03
+2:15
12M
12.00 mi10:36:411:49:569:1017:53
8:56
-0:07
Finish
13.11 mi10:46:101:59:259:079:29
8:33
-0:23

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

6:48 /mi

Average Pace

9:07 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:36

11% of race

Time at Steady Pace

1:03:15

53% of race

Time at Slower Pace

42:34

36% of race

Average Pace: 9:07 /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 mi09:06:2819:439:5119:43
9:51
#1911
4M
4.00 mi09:24:1537:309:2317:47
8:54
#1712
6M
6.00 mi09:47:061:00:2110:0422:51
11:25
#1627
8M
8.00 mi10:00:421:13:579:1513:36
6:48
#1513
10M
10.00 mi10:18:481:32:039:1218:06
9:03
#1373
12M
12.00 mi10:36:411:49:569:1017:53
8:56
#1225
Finish
13.11 mi10:46:101:59:259:079:29
8:33
#1178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi1911642164711(Top 19%)182(Top 10%)40(Top 10%)
4M4.00 mi2.00 mi1712+199551+91137+271553(Top 40%)496(Top 28%)120(Top 29%)
6M6.00 mi2.00 mi1627+85511+40127+101486(Top 39%)460(Top 26%)108(Top 26%)
8M8.00 mi2.00 mi1513+114466+45111+161115(Top 29%)318(Top 18%)73(Top 18%)
10M10.00 mi2.00 mi1373+140420+4696+15974(Top 25%)263(Top 15%)67(Top 16%)
12M12.00 mi2.00 mi1225+148364+5688+8711(Top 19%)182(Top 10%)40(Top 10%)
Finish13.11 mi1.11 mi1178+47345+1982+6693(Top 18%)167(Top 9%)38(Top 9%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 19%
×9story building
+138ft-68ft

Overall

711

Females

182

F30-34

40

2M→4M

2.0 - 4.0 mi

Top 40%
×13story building
+163ft-19ft

Overall

1553

Females

496

F30-34

120

4M→6M

4.0 - 6.0 mi

Top 39%
×4story building
+55ft-83ft

Overall

1486

Females

460

F30-34

108

6M→8M

6.0 - 8.0 mi

Top 29%
×10story building
+65ft-151ft

Overall

1115

Females

318

F30-34

73

8M→10M

8.0 - 10.0 mi

Top 25%
×10story building
+61ft-174ft

Overall

974

Females

263

F30-34

67

10M→12M

10.0 - 12.0 mi

Top 19%
×3story building
+41ft-53ft

Overall

711

Females

182

F30-34

40

12M→Finish

12.0 - 13.1 mi

Top 18%
×1human
+6ft-6ft

Overall

693

Females

167

F30-34

38

Passing Analysis

Category:
Athletes Passed
774*
Passed By
41
Net Change
+733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1911
2M → 4M21011+199#1911#1712
4M → 6M10621+85#1712#1627
6M → 8M1151+114#1627#1513
8M → 10M144*4+140#1513#1373
10M → 12M1491+148#1373#1225
12M → Finish503+47#1225#1178
TOTALS774*41+733

* 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