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SF MARATHON 2ND HALF 2026

Samantha Arvizu

Bib: 26711•F•Age: 34

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 41%
Gender (Female)
#0 / 1760
Top 29%
Division (F30-34)
#0 / 408
Top 31%
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
8:56/mi
17:52
↑ 138↓ 680.7%
4M
8:43/mi
35:18
↑ 1631.4%
6M
11:43/mi
58:45
↑ 55↓ 830.3%
8M
7:25/mi
1:13:35
↑ 65↓ 1510.8%
10M
10:13/mi
1:34:00
↑ 61↓ 1741.1%
12M
10:40/mi
1:55:21
↑ 41↓ 530.1%
Finish· 13.11 mi
10:30/mi
2:07:00
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time58:45
Pace9:48 /mi
2nd Half
Distance7.11 mi
Time1:08:15
Pace9:36 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:08:5617:528:5617:52
8:56
-
4M
4.00 mi09:26:2235:188:5017:26
8:43
-0:13
6M
6.00 mi09:49:4958:459:4823:27
11:43
+3:00
8M
8.00 mi10:04:391:13:359:1214:50
7:25
-4:18
10M
10.00 mi10:25:041:34:009:2420:25
10:13
+2:48
12M
12.00 mi10:46:251:55:219:3721:21
10:40
+0:27
Finish
13.11 mi10:58:042:07:009:4111:39
10:30
-0:10

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

7:25 /mi

Average Pace

9:41 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:08

39% of race

Time at Steady Pace

53:25

42% of race

Time at Slower Pace

23:27

18% of race

Average Pace: 9:41 /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 mi09:08:5617:528:5617:52
8:56
#1139
4M
4.00 mi09:26:2235:188:5017:26
8:43
#1278
6M
6.00 mi09:49:4958:459:4823:27
11:43
#1416
8M
8.00 mi10:04:391:13:359:1214:50
7:25
#1480
10M
10.00 mi10:25:041:34:009:2420:25
10:13
#1535
12M
12.00 mi10:46:251:55:219:3721:21
10:40
#1562
Finish
13.11 mi10:58:042:07:009:4111:39
10:30
#1572
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi1139314711731(Top 45%)600(Top 34%)149(Top 37%)
4M4.00 mi2.00 mi1278-139377-6390-191397(Top 36%)435(Top 25%)101(Top 25%)
6M6.00 mi2.00 mi1416-138424-4796-61697(Top 44%)548(Top 31%)133(Top 33%)
8M8.00 mi2.00 mi1480-64449-25106-101723(Top 45%)569(Top 32%)143(Top 35%)
10M10.00 mi2.00 mi1535-55482-33114-81742(Top 45%)583(Top 33%)144(Top 35%)
12M12.00 mi2.00 mi1562-27498-16121-71731(Top 45%)600(Top 34%)149(Top 37%)
Finish13.11 mi1.11 mi1572-10516-18127-61850(Top 48%)672(Top 38%)169(Top 41%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 45%
×9story building
+138ft-68ft

Overall

1731

Females

600

F30-34

149

2M→4M

2.0 - 4.0 mi

Top 36%
×13story building
+163ft-19ft

Overall

1397

Females

435

F30-34

101

4M→6M

4.0 - 6.0 mi

Top 44%
×4story building
+55ft-83ft

Overall

1697

Females

548

F30-34

133

6M→8M

6.0 - 8.0 mi

Top 45%
×10story building
+65ft-151ft

Overall

1723

Females

569

F30-34

143

8M→10M

8.0 - 10.0 mi

Top 45%
×10story building
+61ft-174ft

Overall

1742

Females

583

F30-34

144

10M→12M

10.0 - 12.0 mi

Top 45%
×3story building
+41ft-53ft

Overall

1731

Females

600

F30-34

149

12M→Finish

12.0 - 13.1 mi

Top 48%
×1human
+6ft-6ft

Overall

1850

Females

672

F30-34

169

Passing Analysis

Category:
Athletes Passed
129*
Passed By
562
Net Change
-433
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1139
2M → 4M40179-139#1139#1278
4M → 6M7145-138#1278#1416
6M → 8M973-64#1416#1480
8M → 10M22*77-55#1480#1535
10M → 12M2754-27#1535#1562
12M → Finish24*34-10#1562#1572
TOTALS129*562-433

* 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