Shannon Costa

Bib: 7733F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #15155
Start5K
25:21 | 8:10/mi
10K· 6.21 mi
50:44
Rank: #15585 (-430)
5K10K
25:23 | 8:10/mi
15K· 9.32 mi
1:16:01
Rank: #15520 (+65)
10K15K
25:17 | 8:08/mi
20K· 12.43 mi
1:41:40
Rank: #15444 (+76)
15K20K
25:39 | 8:15/mi
Half· 13.11 mi
1:47:11
Rank: #15430 (+14)
20KHalf
5:31 | 8:05/mi
25K· 15.53 mi
2:07:07
Rank: #15234 (+196)
Half25K
19:56 | 8:13/mi
30K· 18.64 mi
2:33:16
Rank: #14960 (+274)
25K30K
26:09 | 8:25/mi
20M
2:44:48
Rank: #14841 (+119)
30K20M
11:32 | 8:29/mi
21M
2:53:52
Rank: #14765 (+76)
20M21M
9:04 | 9:04/mi
35K· 21.75 mi
2:59:57
Rank: #14676 (+89)
21M35K
6:05 | 8:08/mi
23M
3:10:47
Rank: #14629 (+47)
35K23M
10:50 | 8:39/mi
24M
3:19:15
Rank: #14590 (+39)
23M24M
8:28 | 8:28/mi
40K· 24.85 mi
3:26:39
Rank: #14557 (+33)
24M40K
7:24 | 8:39/mi
25.2M
3:29:55
Rank: #14560 (-3)
40K25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:38:42
Rank: #14613 (-53)
25.2MFinish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:11
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4425:218:1025:21
8:10
-
10K
6.21 mi10:56:0750:448:1025:23
8:10
0:00
15K
9.32 mi11:21:241:16:018:0925:17
8:08
-0:02
20K
12.43 mi11:47:031:41:408:1125:39
8:15
+0:07
Half
13.11 mi11:52:341:47:118:115:31
8:05
-0:10
25K
15.53 mi12:12:302:07:078:1119:56
8:13
+0:08
30K
18.64 mi12:38:392:33:168:1326:09
8:25
+0:12
20M
20.00 mi12:50:112:44:488:1411:32
8:29
+0:04
21M
21.00 mi12:59:152:53:528:179:04
9:04
+0:35
35K
21.75 mi13:05:202:59:578:166:05
8:08
-0:56
23M
23.00 mi13:16:103:10:478:1810:50
8:39
+0:31
24M
24.00 mi13:24:383:19:158:188:28
8:28
-0:11
40K
24.85 mi13:32:023:26:398:197:24
8:39
+0:11
25.2M
25.20 mi13:35:183:29:558:203:16
9:28
+0:49
Finish
26.22 mi13:44:053:38:428:218:47
8:37
-0:51

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

8:05 /mi

Average Pace

8:21 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:22

94% of race

Time at Steady Pace

12:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi10:30:4425:218:1025:21
8:10
#15155
10K
6.21 mi10:56:0750:448:1025:23
8:10
#15585
15K
9.32 mi11:21:241:16:018:0925:17
8:08
#15520
20K
12.43 mi11:47:031:41:408:1125:39
8:15
#15444
Half
13.11 mi11:52:341:47:118:115:31
8:05
#15430
25K
15.53 mi12:12:302:07:078:1119:56
8:13
#15234
30K
18.64 mi12:38:392:33:168:1326:09
8:25
#14960
20M
20.00 mi12:50:112:44:488:1411:32
8:29
#14841
21M
21.00 mi12:59:152:53:528:179:04
9:04
#14765
35K
21.75 mi13:05:202:59:578:166:05
8:08
#14676
23M
23.00 mi13:16:103:10:478:1810:50
8:39
#14629
24M
24.00 mi13:24:383:19:158:188:28
8:28
#14590
40K
24.85 mi13:32:023:26:398:197:24
8:39
#14557
25.2M
25.20 mi13:35:183:29:558:203:16
9:28
#14560
Finish
26.22 mi13:44:053:38:428:218:47
8:37
#14613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi151554745474515423(Top 58%)4926(Top 43%)4926(Top 271%)
10K6.21 mi3.10 mi15585-4305020-2755020-27516045(Top 60%)5299(Top 46%)5299(Top 292%)
15K9.32 mi3.11 mi15520+654990+304990+3015423(Top 58%)4926(Top 43%)4926(Top 271%)
20K12.43 mi3.11 mi15444+764958+324958+3215326(Top 58%)4917(Top 43%)4917(Top 271%)
Half13.11 mi0.68 mi15430+144953+54953+515091(Top 57%)4736(Top 41%)4736(Top 261%)
25K15.53 mi2.42 mi15234+1964858+954858+9514409(Top 54%)4461(Top 39%)4461(Top 246%)
30K18.64 mi3.11 mi14960+2744719+1394719+13913808(Top 52%)4219(Top 37%)4219(Top 232%)
20M20.00 mi1.36 mi14841+1194664+554664+5513577(Top 51%)4166(Top 36%)4166(Top 229%)
21M21.00 mi1.00 mi14765+764644+204644+2013816(Top 52%)4394(Top 38%)4394(Top 242%)
35K21.75 mi0.75 mi14676+894612+324612+3213055(Top 49%)4041(Top 35%)4041(Top 222%)
23M23.00 mi1.25 mi14629+474605+74605+714102(Top 53%)4677(Top 41%)4677(Top 257%)
24M24.00 mi1.00 mi14590+394608-34608-314303(Top 54%)4844(Top 42%)4844(Top 267%)
40K24.85 mi0.85 mi14557+334612-44612-414285(Top 54%)4900(Top 43%)4900(Top 270%)
25.2M25.20 mi0.35 mi14560-34627-154627-1515096(Top 57%)5350(Top 47%)5350(Top 294%)
Finish26.22 mi1.02 mi14613-534671-444671-4416091(Top 60%)5863(Top 51%)5863(Top 323%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15423

Females

4926

F45-49

4926

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16045

Females

5299

F45-49

5299

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15423

Females

4926

F45-49

4926

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15326

Females

4917

F45-49

4917

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15091

Females

4736

F45-49

4736

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14409

Females

4461

F45-49

4461

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13808

Females

4219

F45-49

4219

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13577

Females

4166

F45-49

4166

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13816

Females

4394

F45-49

4394

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13055

Females

4041

F45-49

4041

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14102

Females

4677

F45-49

4677

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14303

Females

4844

F45-49

4844

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14285

Females

4900

F45-49

4900

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15096

Females

5350

F45-49

5350

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16091

Females

5863

F45-49

5863

Passing Analysis

Category:
Athletes Passed
1868
Passed By
1326
Net Change
+542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15155
5K10K134564-430#15155#15585
10K15K211146+65#15585#15520
15K20K205129+76#15520#15444
20KHalf4329+14#15444#15430
Half25K23842+196#15430#15234
25K30K32955+274#15234#14960
30K20M14526+119#14960#14841
20M21M12246+76#14841#14765
21M35K10314+89#14765#14676
35K23M9952+47#14676#14629
23M24M9152+39#14629#14590
24M40K7441+33#14590#14557
40K25.2M2831-3#14557#14560
25.2MFinish4699-53#14560#14613
TOTALS18681326+542
📊

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