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SF MARATHON 1ST HALF 2026

Katherine McCarthy

Redwood City, CA

Bib: 20600 F 25

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:48/mi
21:37
→ flat
12 ft elev
4M
10:30/mi
42:37
↑ 67↓ 69
10 ft elev
6M
12:06/mi
1:06:49
↑ 1231.1%
126 ft elev
8M
15:12/mi
1:37:14
↑ 166↓ 531.1%
246 ft elev
9.6M
8:58/mi
1:51:35
↑ 68↓ 1931.5%
126 ft elev
10M
27:54/mi
2:02:44
↓ 241.1%
90 ft elev
10.5M
7:12/mi
2:06:20
↓ 732.7%
18 ft elev
12M
13:27/mi
2:26:30
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:53/mi
2:39:41
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:06:4911:08 /mi⚡ faster
2nd Half
1:32:5213:04 /mi+39.0%
Positive split — 39.0% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
21:3710:482.00 mi21:37
10:48
-
4M
42:3710:392.00 mi21:00
10:30
-0:18
6M
1:06:4911:082.00 mi24:12
12:06
+1:36
8M
1:37:1412:092.00 mi30:25
15:12
+3:06
9.6M
1:51:3511:371.60 mi14:21
8:58
-6:14
10M
2:02:4412:160.40 mi11:09
27:54
+18:56
10.5M
2:06:2012:020.50 mi3:36
7:12
-20:42
12M
2:26:3012:131.50 mi20:10
13:27
+6:15
Finish(13.11 mi)
2:39:4112:111.11 mi13:11
11:53
-1:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:12 /mi

Average Pace

12:11 /mi

Slowest Pace

27:54 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

17:57

11% of race

Time at Steady Pace

1:40:10

63% of race

Time at Slower Pace

41:34

26% of race

Average Pace: 12:11 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 94%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:45

Segment Time

16:24/mi

Pace

0.90 mi

Distance

Overall

6168

Women

2714

Division

636

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi439516064032289690176
4M2.00 mi3924+4711365+241339+6435381196297
6M2.00 mi4404-4801616-251400-6151742040498
8M2.00 mi5390-9862146-530516-11663072738641
9.6M1.60 mi5020+3701950+196477+392698975241
10M0.40 mi5212-1922056-106506-2961582709636
10.5M0.50 mi5274-622098-42516-1062342742638
12M1.50 mi4747+5271820+278443+732289690176
Finish(13.11 mi)1.11 mi4713+341811+944348251972483

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 35%
~flat
+5ft-3ft

Overall

2289

Females

690

F25-29

176

2M→4M

2.0 - 4.0 mi

Top 54%
×4story building
+67ft-69ft

Overall

3538

Females

1196

F25-29

297

4M→6M

4.0 - 6.0 mi

Top 79%
×9story building
+123ft-9ft

Overall

5174

Females

2040

F25-29

498

6M→8M

6.0 - 8.0 mi

Top 96%
×12story building
+166ft-53ft

Overall

6307

Females

2738

F25-29

642

8M→9.6M

8.0 - 9.6 mi

Top 41%
×13story building
+68ft-193ft

Overall

2698

Females

975

F25-29

241

9.6M→10M

9.6 - 10.0 mi

Top 94%
×2story building
+0ft-24ft

Overall

6158

Females

2709

F25-29

637

10M→10.5M

10.0 - 10.5 mi

Top 95%
×6story building
+1ft-73ft

Overall

6234

Females

2742

F25-29

639

10.5M→12M

10.5 - 12.0 mi

Top 35%
×21story building
+280ft-26ft

Overall

2289

Females

690

F25-29

176

12M→Finish

12.0 - 13.1 mi

Top 73%
×7story building
+14ft-89ft

Overall

4825

Females

1972

F25-29

483

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4395
2M → 4M
34505+471
#4395 → #3924
4M → 6M
50323*-480
#3924 → #4404
6M → 8M
9904*-986
#4404 → #5390
8M → 9.6M
6376+370
#5390 → #5020
9.6M → 10M
1986-192
#5020 → #5212
10M → 10.5M
675-62
#5212 → #5274
10.5M → 12M
18545*+527
#5274 → #4747
12M → Finish
2963*+34
#4747 → #4713
TOTALS
18451527*-318
#4395 → #4713

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

Passing Visualized

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

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