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BOSTON MARATHON 2023

Shannon Ross

Bib: 22064•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:47
Rank: #18371
Start → 5K
8:37/mi
26:47 split
10K· 6.21 mi
53:54
Rank: #18965 (-594)
5K → 10K
8:44/mi
27:07 split
15K· 9.32 mi
1:21:00
Rank: #18998 (-33)
10K → 15K
8:44/mi
27:07 split
20K· 12.43 mi
1:50:24
Rank: #19782 (-784)
15K → 20K
9:28/mi
29:24 split
Half· 13.11 mi
1:57:02
Rank: #20009 (-227)
20K → Half
9:43/mi
6:38 split
25K· 15.53 mi
2:20:36
Rank: #20366 (-357)
Half → 25K
9:43/mi
23:34 split
30K· 18.64 mi
2:54:37
Rank: #21071 (-705)
25K → 30K
10:57/mi
34:01 split
20M
3:09:01
Rank: #21125 (-54)
30K → 20M
10:36/mi
14:24 split
21M
3:20:26
Rank: #21181 (-56)
20M → 21M
11:25/mi
11:25 split
35K· 21.75 mi
3:28:23
Rank: #21243 (-62)
21M → 35K
10:38/mi
7:57 split
23M
3:42:42
Rank: #21391 (-148)
35K → 23M
11:26/mi
14:19 split
24M
3:52:58
Rank: #21398 (-7)
23M → 24M
10:16/mi
10:16 split
40K· 24.85 mi
4:01:57
Rank: #21399 (-1)
24M → 40K
10:30/mi
8:59 split
25.2M
4:05:52
Rank: #21385 (+14)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
4:15:45
Rank: #21354 (+31)
25.2M → Finish
9:42/mi
9:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:02
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:18:43
Pace10:35 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2426:478:3726:47
8:37
-
10K
6.21 mi11:48:3153:548:4027:07
8:44
+0:07
15K
9.32 mi12:15:371:21:008:4127:07
8:44
0:00
20K
12.43 mi12:45:011:50:248:5329:24
9:28
+0:44
Half
13.11 mi12:51:391:57:028:566:38
9:43
+0:15
25K
15.53 mi13:15:132:20:369:0323:34
9:43
0:00
30K
18.64 mi13:49:142:54:379:2234:01
10:57
+1:14
20M
20.00 mi14:03:383:09:019:2714:24
10:36
-0:21
21M
21.00 mi14:15:033:20:269:3311:25
11:25
+0:49
35K
21.75 mi14:23:003:28:239:357:57
10:38
-0:47
23M
23.00 mi14:37:193:42:429:4114:19
11:26
+0:48
24M
24.00 mi14:47:353:52:589:4210:16
10:16
-1:10
40K
24.85 mi14:56:344:01:579:448:59
10:30
+0:14
25.2M
25.20 mi15:00:294:05:529:453:55
11:21
+0:51
Finish
26.22 mi15:10:224:15:459:469:53
9:42
-1:39

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

8:37 /mi

Average Pace

9:46 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:29

59% of race

Time at Steady Pace

41:36

16% of race

Time at Slower Pace

1:03:40

25% of race

Average Pace: 9:45 /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 mi11:21:2426:478:3726:47
8:37
#18371
10K
6.21 mi11:48:3153:548:4027:07
8:44
#18965
15K
9.32 mi12:15:371:21:008:4127:07
8:44
#18998
20K
12.43 mi12:45:011:50:248:5329:24
9:28
#19782
Half
13.11 mi12:51:391:57:028:566:38
9:43
#20009
25K
15.53 mi13:15:132:20:369:0323:34
9:43
#20366
30K
18.64 mi13:49:142:54:379:2234:01
10:57
#21071
20M
20.00 mi14:03:383:09:019:2714:24
10:36
#21125
21M
21.00 mi14:15:033:20:269:3311:25
11:25
#21181
35K
21.75 mi14:23:003:28:239:357:57
10:38
#21243
23M
23.00 mi14:37:193:42:429:4114:19
11:26
#21391
24M
24.00 mi14:47:353:52:589:4210:16
10:16
#21398
40K
24.85 mi14:56:344:01:579:448:59
10:30
#21399
25.2M
25.20 mi15:00:294:05:529:453:55
11:21
#21385
Finish
26.22 mi15:10:224:15:459:469:53
9:42
#21354
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183716798679819109(Top 72%)7169(Top 63%)7169(Top 594%)
10K6.21 mi3.10 mi18965-5947129-3317129-33119558(Top 73%)7425(Top 65%)7425(Top 615%)
15K9.32 mi3.11 mi18998-337135-67135-619109(Top 72%)7169(Top 63%)7169(Top 594%)
20K12.43 mi3.11 mi19782-7847596-4617596-46121453(Top 81%)8502(Top 74%)8502(Top 704%)
Half13.11 mi0.68 mi20009-2277731-1357731-13522670(Top 85%)9178(Top 80%)9178(Top 760%)
25K15.53 mi2.42 mi20366-3577910-1797910-17921544(Top 81%)8584(Top 75%)8584(Top 711%)
30K18.64 mi3.11 mi21071-7058325-4158325-41523008(Top 86%)9467(Top 83%)9467(Top 784%)
20M20.00 mi1.36 mi21125-548374-498374-4921957(Top 82%)8954(Top 78%)8954(Top 742%)
21M21.00 mi1.00 mi21181-568414-408414-4021729(Top 82%)8849(Top 77%)8849(Top 733%)
35K21.75 mi0.75 mi21243-628454-408454-4022656(Top 85%)9402(Top 82%)9402(Top 779%)
23M23.00 mi1.25 mi21391-1488541-878541-8723145(Top 87%)9671(Top 85%)9671(Top 801%)
24M24.00 mi1.00 mi21398-78558-178558-1721506(Top 81%)8855(Top 78%)8855(Top 734%)
40K24.85 mi0.85 mi21399-18568-108568-1021253(Top 80%)8756(Top 77%)8756(Top 725%)
25.2M25.20 mi0.35 mi21385+148564+48564+421306(Top 80%)8769(Top 77%)8769(Top 727%)
Finish26.22 mi1.02 mi21354+318558+68558+620819(Top 78%)8480(Top 74%)8480(Top 703%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19109

Females

7169

F50-54

7169

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19558

Females

7425

F50-54

7425

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19109

Females

7169

F50-54

7169

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21453

Females

8502

F50-54

8502

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22670

Females

9178

F50-54

9178

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21544

Females

8584

F50-54

8584

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23008

Females

9467

F50-54

9467

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21957

Females

8954

F50-54

8954

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21729

Females

8849

F50-54

8849

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22656

Females

9402

F50-54

9402

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23145

Females

9671

F50-54

9671

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21506

Females

8855

F50-54

8855

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21253

Females

8756

F50-54

8756

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21306

Females

8769

F50-54

8769

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20819

Females

8480

F50-54

8480

Passing Analysis

Category:
Athletes Passed
729
Passed By
3712
Net Change
-2983
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18371
5K → 10K125719-594#18371#18965
10K → 15K168201-33#18965#18998
15K → 20K30814-784#18998#19782
20K → Half7234-227#19782#20009
Half → 25K44401-357#20009#20366
25K → 30K28733-705#20366#21071
30K → 20M54108-54#21071#21125
20M → 21M4399-56#21125#21181
21M → 35K1880-62#21181#21243
35K → 23M38186-148#21243#21391
23M → 24M4552-7#21391#21398
24M → 40K4647-1#21398#21399
40K → 25.2M2713+14#21399#21385
25.2M → Finish5625+31#21385#21354
TOTALS7293712-2983
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing