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SF MARATHON 2ND HALF 2026

Samantha Lin

Mountain View, CA

Bib: 22914 F 29

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 39%
Gender (Female)
#0 / 1760
Top 27%
Division (F25-29)
#0 / 495
Top 26%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
8:51/mi
17:42
↑ 138↓ 680.7%
122 ft elev
4M
8:25/mi
34:31
↑ 1631.4%
280 ft elev
6M
11:15/mi
57:02
↑ 55↓ 830.3%
247 ft elev
8M
7:12/mi
1:11:27
↑ 65↓ 1510.8%
143 ft elev
10M
10:08/mi
1:31:42
↑ 61↓ 1741.1%
25 ft elev
12M
10:47/mi
1:53:17
↑ 41↓ 530.1%
12 ft elev
Finish· 13.11 mi
11:00/mi
2:05:29
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:02
Pace9:30 /mi
2nd Half
Distance7.11 mi
Time1:08:27
Pace9:38 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:50:0317:428:5117:42
8:51
-
4M
4.00 mi09:06:5234:318:3816:49
8:25
-0:26
6M
6.00 mi09:29:2357:029:3022:31
11:15
+2:50
8M
8.00 mi09:43:481:11:278:5614:25
7:12
-4:03
10M
10.00 mi10:04:031:31:429:1020:15
10:08
+2:56
12M
12.00 mi10:25:381:53:179:2621:35
10:47
+0:39
Finish
13.11 mi10:37:502:05:299:3412:12
11:00
+0:13

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

7:12 /mi

Average Pace

9:34 /mi

Slowest Pace

11:15 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:56

39% of race

Time at Steady Pace

41:50

33% of race

Time at Slower Pace

34:43

28% of race

Average Pace: 9:34 /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 mi08:50:0317:428:5117:42
8:51
#1071
4M
4.00 mi09:06:5234:318:3816:49
8:25
#1065
6M
6.00 mi09:29:2357:029:3022:31
11:15
#1202
8M
8.00 mi09:43:481:11:278:5614:25
7:12
#1258
10M
10.00 mi10:04:031:31:429:1020:15
10:08
#1343
12M
12.00 mi10:25:381:53:179:2621:35
10:47
#1418
Finish
13.11 mi10:37:502:05:299:3412:12
11:00
#1485
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi1071291821799636184
4M4.00 mi2.00 mi1065+6302-1187-5116934897
6M6.00 mi2.00 mi1202-137353-51101-141374414115
8M8.00 mi2.00 mi1258-56376-23103-21537490136
10M10.00 mi2.00 mi1343-85411-35113-101685560161
12M12.00 mi2.00 mi1418-75444-33124-111799636184
Finish13.11 mi1.11 mi1485-67472-28128-42159831255

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 47%
×9story building
+138ft-68ft

Overall

1799

Females

636

F25-29

185

2M→4M

2.0 - 4.0 mi

Top 30%
×13story building
+163ft-19ft

Overall

1169

Females

348

F25-29

97

4M→6M

4.0 - 6.0 mi

Top 36%
×4story building
+55ft-83ft

Overall

1374

Females

414

F25-29

116

6M→8M

6.0 - 8.0 mi

Top 40%
×10story building
+65ft-151ft

Overall

1537

Females

490

F25-29

136

8M→10M

8.0 - 10.0 mi

Top 44%
×10story building
+61ft-174ft

Overall

1685

Females

560

F25-29

162

10M→12M

10.0 - 12.0 mi

Top 47%
×3story building
+41ft-53ft

Overall

1799

Females

636

F25-29

185

12M→Finish

12.0 - 13.1 mi

Top 56%
×1human
+6ft-6ft

Overall

2159

Females

831

F25-29

255

Passing Analysis

Category:
Athletes Passed
126*
Passed By
540
Net Change
-414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1071
2M → 4M6761+6#1071#1065
4M → 6M12149-137#1065#1202
6M → 8M1369-56#1202#1258
8M → 10M12*97-85#1258#1343
10M → 12M1994-75#1343#1418
12M → Finish3*70-67#1418#1485
TOTALS126*540-414

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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