Molly Bossi

Bib: 30204F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:05
Rank: #21700
Start5K
9:22/mi
29:05 split
10K· 6.21 mi
56:33
Rank: #21058 (+642)
5K10K
8:50/mi
27:28 split
15K· 9.32 mi
1:25:09
Rank: #21163 (-105)
10K15K
9:12/mi
28:36 split
20K· 12.43 mi
1:53:41
Rank: #20984 (+179)
15K20K
9:11/mi
28:32 split
Half· 13.11 mi
1:59:53
Rank: #20971 (+13)
20KHalf
9:05/mi
6:12 split
25K· 15.53 mi
2:22:55
Rank: #20931 (+40)
Half25K
9:30/mi
23:02 split
30K· 18.64 mi
2:54:46
Rank: #21094 (-163)
25K30K
10:15/mi
31:51 split
20M
3:08:10
Rank: #20986 (+108)
30K20M
9:52/mi
13:24 split
21M
3:18:41
Rank: #20889 (+97)
20M21M
10:31/mi
10:31 split
35K· 21.75 mi
3:26:06
Rank: #20898 (-9)
21M35K
9:55/mi
7:25 split
23M
3:38:42
Rank: #20828 (+70)
35K23M
10:04/mi
12:36 split
24M
3:48:42
Rank: #20811 (+17)
23M24M
10:00/mi
10:00 split
40K· 24.85 mi
3:57:35
Rank: #20823 (-12)
24M40K
10:23/mi
8:53 split
25.2M
4:01:14
Rank: #20795 (+28)
40K25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
4:10:48
Rank: #20744 (+51)
25.2MFinish
9:23/mi
9:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:53
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:10:55
Pace9:59 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1929:059:2229:05
9:22
-
10K
6.21 mi12:14:4756:339:0627:28
8:50
-0:32
15K
9.32 mi12:43:231:25:099:0828:36
9:12
+0:22
20K
12.43 mi13:11:551:53:419:0928:32
9:11
-0:01
Half
13.11 mi13:18:071:59:539:096:12
9:05
-0:06
25K
15.53 mi13:41:092:22:559:1223:02
9:30
+0:25
30K
18.64 mi14:13:002:54:469:2331:51
10:15
+0:45
20M
20.00 mi14:26:243:08:109:2413:24
9:52
-0:23
21M
21.00 mi14:36:553:18:419:2810:31
10:31
+0:39
35K
21.75 mi14:44:203:26:069:297:25
9:55
-0:36
23M
23.00 mi14:56:563:38:429:3112:36
10:04
+0:09
24M
24.00 mi15:06:563:48:429:3210:00
10:00
-0:04
40K
24.85 mi15:15:493:57:359:348:53
10:23
+0:23
25.2M
25.20 mi15:19:284:01:149:343:39
10:35
+0:12
Finish
26.22 mi15:29:024:10:489:349:34
9:23
-1:12

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

8:50 /mi

Average Pace

9:34 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:29

61% of race

Time at Steady Pace

1:24:09

34% of race

Time at Slower Pace

14:10

6% of race

Average Pace: 9:34 /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 mi11:47:1929:059:2229:05
9:22
#21700
10K
6.21 mi12:14:4756:339:0627:28
8:50
#21058
15K
9.32 mi12:43:231:25:099:0828:36
9:12
#21163
20K
12.43 mi13:11:551:53:419:0928:32
9:11
#20984
Half
13.11 mi13:18:071:59:539:096:12
9:05
#20971
25K
15.53 mi13:41:092:22:559:1223:02
9:30
#20931
30K
18.64 mi14:13:002:54:469:2331:51
10:15
#21094
20M
20.00 mi14:26:243:08:109:2413:24
9:52
#20986
21M
21.00 mi14:36:553:18:419:2810:31
10:31
#20889
35K
21.75 mi14:44:203:26:069:297:25
9:55
#20898
23M
23.00 mi14:56:563:38:429:3112:36
10:04
#20828
24M
24.00 mi15:06:563:48:429:3210:00
10:00
#20811
40K
24.85 mi15:15:493:57:359:348:53
10:23
#20823
25.2M
25.20 mi15:19:284:01:149:343:39
10:35
#20795
Finish
26.22 mi15:29:024:10:489:349:34
9:23
#20744
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi217008740874021333(Top 80%)8417(Top 74%)8417(Top 172%)
10K6.21 mi3.10 mi21058+6428354+3868354+38620153(Top 76%)7790(Top 68%)7790(Top 160%)
15K9.32 mi3.11 mi21163-1058367-138367-1321333(Top 80%)8417(Top 74%)8417(Top 172%)
20K12.43 mi3.11 mi20984+1798265+1028265+10220512(Top 77%)7966(Top 70%)7966(Top 163%)
Half13.11 mi0.68 mi20971+138252+138252+1320820(Top 78%)8144(Top 71%)8144(Top 167%)
25K15.53 mi2.42 mi20931+408223+298223+2920842(Top 78%)8187(Top 72%)8187(Top 168%)
30K18.64 mi3.11 mi21094-1638338-1158338-11521656(Top 81%)8711(Top 76%)8711(Top 178%)
20M20.00 mi1.36 mi20986+1088289+498289+4920072(Top 75%)7901(Top 69%)7901(Top 162%)
21M21.00 mi1.00 mi20889+978248+418248+4119666(Top 74%)7747(Top 68%)7747(Top 159%)
35K21.75 mi0.75 mi20898-98263-158263-1521054(Top 79%)8516(Top 75%)8516(Top 174%)
23M23.00 mi1.25 mi20828+708237+268237+2620186(Top 76%)8070(Top 71%)8070(Top 165%)
24M24.00 mi1.00 mi20811+178237823720792(Top 78%)8429(Top 74%)8429(Top 173%)
40K24.85 mi0.85 mi20823-128255-188255-1820961(Top 79%)8578(Top 75%)8578(Top 176%)
25.2M25.20 mi0.35 mi20795+288244+118244+1119407(Top 73%)7741(Top 68%)7741(Top 158%)
Finish26.22 mi1.02 mi20744+518226+188226+1819735(Top 74%)7859(Top 69%)7859(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21333

Females

8417

F18-39

8417

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20153

Females

7790

F18-39

7790

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21333

Females

8417

F18-39

8417

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20512

Females

7966

F18-39

7966

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20820

Females

8144

F18-39

8144

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20842

Females

8187

F18-39

8187

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21656

Females

8711

F18-39

8711

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20072

Females

7901

F18-39

7901

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19666

Females

7747

F18-39

7747

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21054

Females

8516

F18-39

8516

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20186

Females

8070

F18-39

8070

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20792

Females

8429

F18-39

8429

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20961

Females

8578

F18-39

8578

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19407

Females

7741

F18-39

7741

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19735

Females

7859

F18-39

7859

Passing Analysis

Category:
Athletes Passed
1900
Passed By
944
Net Change
+956
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21700
5K10K71371+642#21700#21058
10K15K120225-105#21058#21163
15K20K24061+179#21163#20984
20KHalf4128+13#20984#20971
Half25K12484+40#20971#20931
25K30K95258-163#20931#21094
30K20M13022+108#21094#20986
20M21M11518+97#20986#20889
21M35K2938-9#20889#20898
35K23M11040+70#20898#20828
23M24M5134+17#20828#20811
24M40K3749-12#20811#20823
40K25.2M324+28#20823#20795
25.2MFinish6312+51#20795#20744
TOTALS1900944+956
📊

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