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SF MARATHON 1ST HALF 2026

Catherine Alexander

Bib: 18266•F•Age: 26

Venice, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 22%
Gender (Female)
#0 / 2930
Top 11%
Division (F25-29)
#0 / 674
Top 12%
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
8:40/mi
17:20
→ flat
4M
8:51/mi
35:02
↑ 67↓ 69
6M
8:54/mi
52:51
↑ 1231.1%
8M
8:54/mi
1:10:39
↑ 166↓ 531.1%
9.6M
8:54/mi
1:24:54
↑ 68↓ 1931.5%
10M
16:39/mi
1:31:33
↓ 241.1%
10.5M
4:30/mi
1:33:48
↓ 732.7%
12M
12:33/mi
1:52:38
↑ 2803.2%
Finish· 13.11 mi
9:31/mi
2:03:11
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:51
Pace8:49 /mi
2nd Half
Distance7.11 mi
Time1:10:20
Pace9:54 /mi
📊Positive Split: 33.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:54:3817:208:4017:20
8:40
-
4M
4.00 mi07:12:2035:028:4617:42
8:51
+0:11
6M
6.00 mi07:30:0952:518:4917:49
8:54
+0:03
8M
8.00 mi07:47:571:10:398:5017:48
8:54
0:00
9.6M
9.60 mi08:02:121:24:548:5114:15
8:54
0:00
10M
10.00 mi08:08:511:31:339:096:39
16:39
+7:45
10.5M
10.50 mi08:11:061:33:488:562:15
4:30
-12:09
12M
12.00 mi08:29:561:52:389:2318:50
12:33
+8:03
Finish
13.11 mi08:40:292:03:119:2410:33
9:31
-3:02

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

4:30 /mi

Average Pace

9:24 /mi

Slowest Pace

16:39 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15

2% of race

Time at Steady Pace

1:35:27

77% of race

Time at Slower Pace

25:29

21% of race

Average Pace: 9:24 /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 mi06:54:3817:208:4017:20
8:40
#1096
4M
4.00 mi07:12:2035:028:4617:42
8:51
#1144
6M
6.00 mi07:30:0952:518:4917:49
8:54
#1172
8M
8.00 mi07:47:571:10:398:5017:48
8:54
#1140
9.6M
9.60 mi08:02:121:24:548:5114:15
8:54
#1372
10M
10.00 mi08:08:511:31:339:096:39
16:39
#1380
10.5M
10.50 mi08:11:061:33:488:562:15
4:30
#1389
12M
12.00 mi08:29:561:52:389:2318:50
12:33
#1411
Finish
13.11 mi08:40:292:03:119:2410:33
9:31
#1439
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 24%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:54

Segment Time

9:54/mi

Pace

0.90 mi

Distance

Overall

1587

Women

389

Division

100

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi1096226491606(Top 24%)432(Top 15%)107(Top 16%)
4M4.00 mi2.00 mi1144-48237-1156-71208(Top 18%)241(Top 8%)54(Top 8%)
6M6.00 mi2.00 mi1172-28240-355+11316(Top 20%)278(Top 9%)67(Top 10%)
8M8.00 mi2.00 mi1140+32215+2549+61179(Top 18%)238(Top 8%)53(Top 8%)
9.6M9.60 mi1.60 mi1372-232291-7670-212613(Top 40%)938(Top 32%)233(Top 35%)
10M10.00 mi0.40 mi1380-8294-3701610(Top 24%)410(Top 14%)97(Top 14%)
10.5M10.50 mi0.50 mi1389-9297-3701805(Top 27%)457(Top 16%)112(Top 17%)
12M12.00 mi1.50 mi1411-22317-2079-91606(Top 24%)432(Top 15%)107(Top 16%)
Finish13.11 mi1.11 mi1439-28325-883-42262(Top 34%)682(Top 23%)184(Top 27%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 24%
~flat
+5ft-3ft

Overall

1606

Females

432

F25-29

107

2M→4M

2.0 - 4.0 mi

Top 18%
×4story building
+67ft-69ft

Overall

1208

Females

241

F25-29

54

4M→6M

4.0 - 6.0 mi

Top 20%
×9story building
+123ft-9ft

Overall

1316

Females

278

F25-29

67

6M→8M

6.0 - 8.0 mi

Top 18%
×12story building
+166ft-53ft

Overall

1179

Females

238

F25-29

53

8M→9.6M

8.0 - 9.6 mi

Top 40%
×13story building
+68ft-193ft

Overall

2613

Females

938

F25-29

233

9.6M→10M

9.6 - 10.0 mi

Top 24%
×2story building
+0ft-24ft

Overall

1610

Females

410

F25-29

97

10M→10.5M

10.0 - 10.5 mi

Top 27%
×6story building
+1ft-73ft

Overall

1805

Females

457

F25-29

112

10.5M→12M

10.5 - 12.0 mi

Top 24%
×21story building
+280ft-26ft

Overall

1606

Females

432

F25-29

107

12M→Finish

12.0 - 13.1 mi

Top 34%
×7story building
+14ft-89ft

Overall

2262

Females

682

F25-29

184

Passing Analysis

Category:
Athletes Passed
326*
Passed By
669
Net Change
-343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1096
2M → 4M4997-48#1096#1144
4M → 6M4371-28#1144#1172
6M → 8M12593+32#1172#1140
8M → 9.6M8240-232#1140#1372
9.6M → 10M2432-8#1372#1380
10M → 10.5M615-9#1380#1389
10.5M → 12M4567-22#1389#1411
12M → Finish26*54-28#1411#1439
TOTALS326*669-343

* 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