Marcella Barreto

San Francisco, CA

Bib: 13870 F 29

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 39%
Gender (Female)
#0 / 3107
Top 27%
Division (F25-29)
#0 / 761
Top 30%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
9:43/mi
17:35
→ flat
5.34M
9:43/mi
51:52
8074
6.15M
10:21/mi
1:00:15
126
10.54M
9:52/mi
1:43:36
230361
11.05M
12:27/mi
1:49:57
172
Finish· 13.11 mi
10:23/mi
2:11:20
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:00:159:48 /mi⚡ faster
2nd Half
1:11:0510:13 /mi+18.0%
Positive split — 18.0% 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
1.81M
17:359:431.81 mi17:35
9:43
-
5.34M
51:529:433.53 mi34:17
9:43
0:00
6.15M
1:00:159:480.81 mi8:23
10:21
+0:38
10.54M
1:43:369:504.39 mi43:21
9:52
-0:29
11.05M
1:49:579:570.51 mi6:21
12:27
+2:35
Finish(13.11 mi)
2:11:2010:012.06 mi21:23
10:23
-2:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:43 /mi

Average Pace

10:01 /mi

Slowest Pace

12:27 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:35:13

73% of race

Time at Steady Pace

29:46

23% of race

Time at Slower Pace

6:21

5% of race

Average Pace: 10:01 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi3308104428333081044283
5.34M3.53 mi3051+257936+108262+212990916258
6.15M0.81 mi3042+9933+3259+331751000276
10.54M4.39 mi2876+166878+55242+172746823220
11.05M0.51 mi2798+78840+38232+101993533147
Finish(13.11 mi)2.06 mi2793+5852-12230+22956985275

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 47%
~flat
+4ft-3ft

Overall

3308

Females

1044

F25-29

283

1.81M→5.34M

1.8 - 5.3 mi

Top 42%
×4story building
+80ft-74ft

Overall

2990

Females

916

F25-29

258

5.34M→6.15M

5.3 - 6.2 mi

Top 45%
×10story building
+126ft-4ft

Overall

3175

Females

1000

F25-29

276

6.15M→10.54M

6.2 - 10.5 mi

Top 39%
×21story building
+230ft-361ft

Overall

2746

Females

823

F25-29

220

10.54M→11.05M

10.5 - 11.1 mi

Top 28%
×14story building
+172ft-0ft

Overall

1993

Females

533

F25-29

147

11.05M→Finish

11.1 - 13.1 mi

Top 42%
×7story building
+97ft-114ft

Overall

2956

Females

985

F25-29

275

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#3308
1.81M5.34M
117374*+257
#3308 #3051
5.34M6.15M
3544+9
#3051 #3042
6.15M10.54M
72238*+166
#3042 #2876
10.54M11.05M
1391+78
#2876 #2798
11.05MFinish
7681*+5
#2798 #2793
TOTALS
313828*+515
#3308 #2793

* 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

Race Place Events

Race Place Events