Mary Serna

San Francisco, CA

Bib: 19277 F 41

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Masters (Masters Women)
#0 / 776
Division (F40-44)
#0 / 244
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
11:02/mi
19:58
→ flat
5.34M
11:53/mi
1:01:54
8074
6.15M
13:06/mi
1:12:30
126
10.54M
13:22/mi
2:11:10
230361
11.05M
16:55/mi
2:19:48
172
Finish· 13.11 mi
14:02/mi
2:48:41
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:12:3011:47 /mi⚡ faster
2nd Half
1:36:1113:49 /mi+32.7%
Positive split — 32.7% 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
19:5811:021.81 mi19:58
11:02
-
5.34M
1:01:5411:353.53 mi41:56
11:53
+0:51
6.15M
1:12:3011:470.81 mi10:36
13:06
+1:13
10.54M
2:11:1012:274.39 mi58:40
13:22
+0:16
11.05M
2:19:4812:390.51 mi8:38
16:55
+3:33
Finish(13.11 mi)
2:48:4112:522.06 mi28:53
14:02
-2:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:02 /mi

Average Pace

12:52 /mi

Slowest Pace

16:55 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:01:54

37% of race

Time at Steady Pace

1:38:09

58% of race

Time at Slower Pace

8:38

5% of race

Average Pace: 12:52 /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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
1.81M1.81 mi5760230417057602304170
5.34M3.53 mi5883-1232383-79175-559642425173
6.15M0.81 mi5932-492404-21177-260812487182
10.54M4.39 mi6162-2302544-140189-1263592690198
11.05M0.51 mi6119+432520+24184+551532037130
Finish(13.11 mi)2.06 mi6139-202548-28187-362642687203

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 81%
~flat
+4ft-3ft

Overall

5760

Females

2304

F40-44

170

1.81M→5.34M

1.8 - 5.3 mi

Top 84%
×4story building
+80ft-74ft

Overall

5964

Females

2425

F40-44

173

5.34M→6.15M

5.3 - 6.2 mi

Top 86%
×10story building
+126ft-4ft

Overall

6081

Females

2487

F40-44

182

6.15M→10.54M

6.2 - 10.5 mi

Top 90%
×21story building
+230ft-361ft

Overall

6359

Females

2690

F40-44

198

10.54M→11.05M

10.5 - 11.1 mi

Top 73%
×14story building
+172ft-0ft

Overall

5153

Females

2037

F40-44

130

11.05M→Finish

11.1 - 13.1 mi

Top 88%
×7story building
+97ft-114ft

Overall

6264

Females

2687

F40-44

203

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5760
1.81M5.34M
277154*-123
#5760 #5883
5.34M6.15M
8839-49
#5883 #5932
6.15M10.54M
28555*-230
#5932 #6162
10.54M11.05M
548+43
#6162 #6119
11.05MFinish
7454*-20
#6119 #6139
TOTALS
729350*-379
#5760 #6139

* 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