Sydney Shell

Foster City, CA

Bib: 25430 F 20

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 48%
Gender (Female)
#0 / 1760
Top 36%
F20-29
#0 / 218
Top 43%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
10:10/mi
20:20
138680.7%
122 ft elev
4M
9:21/mi
39:01
1631.4%
280 ft elev
6M
12:14/mi
1:03:29
55830.3%
247 ft elev
8M
7:32/mi
1:18:34
651510.8%
143 ft elev
10M
10:09/mi
1:38:52
611741.1%
25 ft elev
12M
10:44/mi
2:00:21
41530.1%
12 ft elev
Finish· 13.11 mi
10:25/mi
2:11:54
→ flat
11 ft elev
Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:29
Pace10:35 /mi
2nd Half
Distance7.11 mi
Time1:08:25
Pace9:37 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:13:2820:2010:1020:20
10:10
-
4M
4.00 mi09:32:0939:019:4518:41
9:21
-0:49
6M
6.00 mi09:56:371:03:2910:3524:28
12:14
+2:53
8M
8.00 mi10:11:421:18:349:4915:05
7:32
-4:42
10M
10.00 mi10:32:001:38:529:5320:18
10:09
+2:37
12M
12.00 mi10:53:292:00:2110:0221:29
10:44
+0:35
Finish
13.11 mi11:05:022:11:5410:0411:33
10:25
-0:19

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

7:32 /mi

Average Pace

10:04 /mi

Slowest Pace

12:14 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:46

26% of race

Time at Steady Pace

1:13:40

56% of race

Time at Slower Pace

24:28

19% of race

Average Pace: 10:04 /mi

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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 mi09:13:2820:2010:1020:20
10:10
#2167
4M
4.00 mi09:32:0939:019:4518:41
9:21
#1993
6M
6.00 mi09:56:371:03:2910:3524:28
12:14
#1982
8M
8.00 mi10:11:421:18:349:4915:05
7:32
#1926
10M
10.00 mi10:32:001:38:529:5320:18
10:09
#1864
12M
12.00 mi10:53:292:00:2110:0221:29
10:44
#1843
Finish
13.11 mi11:05:022:11:5410:0411:33
10:25
#1844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi21677791101772(Top 46%)622(Top 35%)85(Top 39%)
4M4.00 mi2.00 mi1993+174687+9299+111885(Top 49%)644(Top 37%)91(Top 42%)
6M6.00 mi2.00 mi1982+11674+1398+11995(Top 52%)687(Top 39%)101(Top 46%)
8M8.00 mi2.00 mi1926+56649+2596+21829(Top 48%)610(Top 35%)91(Top 42%)
10M10.00 mi2.00 mi1864+62627+2295+11709(Top 45%)570(Top 32%)87(Top 40%)
12M12.00 mi2.00 mi1843+21623+492+31772(Top 46%)622(Top 35%)85(Top 39%)
Finish13.11 mi1.11 mi1844-1628-593-11796(Top 47%)638(Top 36%)93(Top 43%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 46%
×9story building
+138ft-68ft

Overall

1772

Females

622

F20-24

85

2M→4M

2.0 - 4.0 mi

Top 49%
×13story building
+163ft-19ft

Overall

1885

Females

644

F20-24

91

4M→6M

4.0 - 6.0 mi

Top 52%
×4story building
+55ft-83ft

Overall

1995

Females

687

F20-24

101

6M→8M

6.0 - 8.0 mi

Top 48%
×10story building
+65ft-151ft

Overall

1829

Females

610

F20-24

91

8M→10M

8.0 - 10.0 mi

Top 45%
×10story building
+61ft-174ft

Overall

1709

Females

570

F20-24

87

10M→12M

10.0 - 12.0 mi

Top 46%
×3story building
+41ft-53ft

Overall

1772

Females

622

F20-24

85

12M→Finish

12.0 - 13.1 mi

Top 47%
×1human
+6ft-6ft

Overall

1796

Females

638

F20-24

93

Passing Analysis

Category:
Athletes Passed
458*
Passed By
135
Net Change
+323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2167
2M4M19016+174#2167#1993
4M6M5342+11#1993#1982
6M8M6711+56#1982#1926
8M10M75*13+62#1926#1864
10M12M5231+21#1864#1843
12MFinish21*22-1#1843#1844
TOTALS458*135+323

* 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