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BOSTON MARATHON 2023

Shannon Sides

Bib: 16372•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Masters (Masters Women)
#0 / 6539
Top 17%
Division (F40-44)
#0 / 1878
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:14
Rank: #14877
Start → 5K
25:14 | 8:07/mi
10K· 6.21 mi
50:07
Rank: #14867 (+10)
5K → 10K
24:53 | 8:01/mi
15K· 9.32 mi
1:15:17
Rank: #14963 (-96)
10K → 15K
25:10 | 8:06/mi
20K· 12.43 mi
1:40:34
Rank: #14810 (+153)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:46:05
Rank: #14821 (-11)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:06:02
Rank: #14736 (+85)
Half → 25K
19:57 | 8:14/mi
30K· 18.64 mi
2:31:32
Rank: #14321 (+415)
25K → 30K
25:30 | 8:12/mi
20M
2:42:44
Rank: #14126 (+195)
30K → 20M
11:12 | 8:15/mi
21M
2:51:08
Rank: #13839 (+287)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:56:54
Rank: #13675 (+164)
21M → 35K
5:46 | 7:42/mi
23M
3:06:46
Rank: #13351 (+324)
35K → 23M
9:52 | 7:53/mi
24M
3:14:19
Rank: #13090 (+261)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
3:20:46
Rank: #12856 (+234)
24M → 40K
6:27 | 7:33/mi
25.2M
3:23:35
Rank: #12777 (+79)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:31:08
Rank: #12585 (+192)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:45:03
Pace8:01 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3125:148:0725:14
8:07
-
10K
6.21 mi11:40:2450:078:0424:53
8:01
-0:06
15K
9.32 mi12:05:341:15:178:0525:10
8:06
+0:05
20K
12.43 mi12:30:511:40:348:0625:17
8:08
+0:02
Half
13.11 mi12:36:221:46:058:065:31
8:05
-0:03
25K
15.53 mi12:56:192:06:028:0719:57
8:14
+0:09
30K
18.64 mi13:21:492:31:328:0825:30
8:12
-0:02
20M
20.00 mi13:33:012:42:448:0811:12
8:15
+0:03
21M
21.00 mi13:41:252:51:088:098:24
8:24
+0:09
35K
21.75 mi13:47:112:56:548:085:46
7:42
-0:42
23M
23.00 mi13:57:033:06:468:079:52
7:53
+0:11
24M
24.00 mi14:04:363:14:198:067:33
7:33
-0:20
40K
24.85 mi14:11:033:20:468:056:27
7:33
0:00
25.2M
25.20 mi14:13:523:23:358:052:49
8:10
+0:37
Finish
26.22 mi14:21:253:31:088:047:33
7:25
-0:45

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

7:25 /mi

Average Pace

8:04 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:16

68% of race

Time at Steady Pace

1:07:52

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /mi

Loading chart...
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...
0mi6.6mi13.1mi19.7mi26.2mi
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
5K
3.11 mi11:15:3125:148:0725:14
8:07
#14877
10K
6.21 mi11:40:2450:078:0424:53
8:01
#14867
15K
9.32 mi12:05:341:15:178:0525:10
8:06
#14963
20K
12.43 mi12:30:511:40:348:0625:17
8:08
#14810
Half
13.11 mi12:36:221:46:058:065:31
8:05
#14821
25K
15.53 mi12:56:192:06:028:0719:57
8:14
#14736
30K
18.64 mi13:21:492:31:328:0825:30
8:12
#14321
20M
20.00 mi13:33:012:42:448:0811:12
8:15
#14126
21M
21.00 mi13:41:252:51:088:098:24
8:24
#13839
35K
21.75 mi13:47:112:56:548:085:46
7:42
#13675
23M
23.00 mi13:57:033:06:468:079:52
7:53
#13351
24M
24.00 mi14:04:363:14:198:067:33
7:33
#13090
40K
24.85 mi14:11:033:20:468:056:27
7:33
#12856
25.2M
25.20 mi14:13:523:23:358:052:49
8:10
#12777
Finish
26.22 mi14:21:253:31:088:047:33
7:25
#12585
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi148774563456315172(Top 57%)4772(Top 42%)4772(Top 254%)
10K6.21 mi3.10 mi14867+104567-44567-414870(Top 56%)4587(Top 40%)4587(Top 244%)
15K9.32 mi3.11 mi14963-964637-704637-7015172(Top 57%)4772(Top 42%)4772(Top 254%)
20K12.43 mi3.11 mi14810+1534560+774560+7714499(Top 54%)4398(Top 39%)4398(Top 234%)
Half13.11 mi0.68 mi14821-114571-114571-1115041(Top 56%)4686(Top 41%)4686(Top 250%)
25K15.53 mi2.42 mi14736+854546+254546+2514444(Top 54%)4471(Top 39%)4471(Top 238%)
30K18.64 mi3.11 mi14321+4154342+2044342+20412401(Top 47%)3413(Top 30%)3413(Top 182%)
20M20.00 mi1.36 mi14126+1954244+984244+9811981(Top 45%)3267(Top 29%)3267(Top 174%)
21M21.00 mi1.00 mi13839+2874075+1694075+1699900(Top 37%)2346(Top 21%)2346(Top 125%)
35K21.75 mi0.75 mi13675+1643993+823993+8210073(Top 38%)2411(Top 21%)2411(Top 128%)
23M23.00 mi1.25 mi13351+3243825+1683825+1688989(Top 34%)2033(Top 18%)2033(Top 108%)
24M24.00 mi1.00 mi13090+2613700+1253700+1258100(Top 30%)1733(Top 15%)1733(Top 92%)
40K24.85 mi0.85 mi12856+2343583+1173583+1177036(Top 26%)1397(Top 12%)1397(Top 74%)
25.2M25.20 mi0.35 mi12777+793545+383545+387628(Top 29%)1698(Top 15%)1698(Top 90%)
Finish26.22 mi1.02 mi12585+1923458+873458+877897(Top 30%)1796(Top 16%)1796(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15172

Females

4772

F40-44

4772

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14870

Females

4587

F40-44

4587

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15172

Females

4772

F40-44

4772

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14499

Females

4398

F40-44

4398

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15041

Females

4686

F40-44

4686

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14444

Females

4471

F40-44

4471

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12401

Females

3413

F40-44

3413

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11981

Females

3267

F40-44

3267

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9900

Females

2346

F40-44

2346

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10073

Females

2411

F40-44

2411

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8989

Females

2033

F40-44

2033

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8100

Females

1733

F40-44

1733

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7036

Females

1397

F40-44

1397

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7628

Females

1698

F40-44

1698

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7897

Females

1796

F40-44

1796

Passing Analysis

Category:
Athletes Passed
3117
Passed By
825
Net Change
+2292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14877
5K → 10K298288+10#14877#14867
10K → 15K153249-96#14867#14963
15K → 20K260107+153#14963#14810
20K → Half2940-11#14810#14821
Half → 25K17388+85#14821#14736
25K → 30K43318+415#14736#14321
30K → 20M20611+195#14321#14126
20M → 21M2936+287#14126#13839
21M → 35K1651+164#13839#13675
35K → 23M3273+324#13675#13351
23M → 24M2676+261#13351#13090
24M → 40K2340+234#13090#12856
40K → 25.2M790+79#12856#12777
25.2M → Finish2008+192#12777#12585
TOTALS3117825+2292
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing