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SF MARATHON 1ST HALF 2024

Marcia Duong

Hayward, CA

Bib: 15237 F 47

0:00
0:00
/ mi
Masters
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Overall
#0 / 5177
Gender (Female)
#0 / 2293
Masters (Masters Women)
#0 / 617
Division (F45-49)
#0 / 152
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2.13M
15:16/mi
32:31
→ flat
13 ft elev
6.62M
11:32/mi
1:24:19
↑ 299↓ 780.9%
239 ft elev
7.12M
14:34/mi
1:31:36
↑ 271.0%
269 ft elev
10.65M
12:04/mi
2:14:12
↑ 127↓ 3601.3%
48 ft elev
Finish· 13.11 mi
11:47/mi
2:43:11
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:24:1912:44 /mi+6.5%
2nd Half
1:18:5212:09 /mi✓ faster
Negative split — 6.5% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2.13M
32:3115:162.13 mi32:31
15:16
-
6.62M
1:24:1912:444.49 mi51:48
11:32
-3:44
7.12M
1:31:3612:520.50 mi7:17
14:34
+3:02
10.65M
2:14:1212:363.53 mi42:36
12:04
-2:30
Finish(13.11 mi)
2:43:1112:272.46 mi28:59
11:47
-0:17
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:32 /mi

Average Pace

12:27 /mi

Slowest Pace

15:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:03:23

76% of race

Time at Slower Pace

39:48

24% of race

Average Pace: 12:27 /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

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2.13M2.13 mi2.13 mi4829206012648292060126
6.62M6.62 mi4.49 mi4489+3401876+184108+1842821761100
7.12M7.12 mi0.50 mi4371+1181805+71102+63079110056
10.65M10.65 mi3.53 mi4454-831853-48104-246031953115
Finish13.11 mi2.46 mi4428+261846+7105-142441798103

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 93%
~flat
+6ft-3ft

Overall

4829

Females

2060

F45-49

127

2.13M→6.62M

2.1 - 6.6 mi

Top 83%
×19story building
+299ft-78ft

Overall

4282

Females

1761

F45-49

100

6.62M→7.12M

6.6 - 7.1 mi

Top 59%
×2story building
+27ft-0ft

Overall

3079

Females

1100

F45-49

56

7.12M→10.65M

7.1 - 10.7 mi

Top 89%
×21story building
+127ft-360ft

Overall

4603

Females

1953

F45-49

115

10.65M→Finish

10.7 - 13.1 mi

Top 82%
×17story building
+244ft-114ft

Overall

4244

Females

1798

F45-49

103

Passing Analysis

Category:
Athletes Passed
577*
Passed By
176
Net Change
+401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#4829
2.13M → 6.62M358*18+340#4829#4489
6.62M → 7.12M119*1+118#4489#4371
7.12M → 10.65M41*124-83#4371#4454
10.65M → Finish59*33+26#4454#4428
TOTALS577*176+401

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

Passing Charts

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Passing Circle

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Position Flow

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Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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