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BOSTON MARATHON 2023

Brooke Sill

Bib: 13311•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:39
Rank: #6076
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
43:04
Rank: #6058 (+18)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:04:23
Rank: #5906 (+152)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:25:55
Rank: #5798 (+108)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:30:35
Rank: #5782 (+16)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:20
Rank: #5653 (+129)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:09:56
Rank: #5646 (+7)
25K → 30K
22:36 | 7:16/mi
20M
2:20:23
Rank: #5766 (-120)
30K → 20M
10:27 | 7:41/mi
21M
2:28:26
Rank: #5811 (-45)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:34:01
Rank: #5861 (-50)
21M → 35K
5:35 | 7:28/mi
23M
2:43:54
Rank: #5964 (-103)
35K → 23M
9:53 | 7:54/mi
24M
2:51:45
Rank: #6064 (-100)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
2:58:40
Rank: #6163 (-99)
24M → 40K
6:55 | 8:05/mi
25.2M
3:01:45
Rank: #6219 (-56)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:10:13
Rank: #6472 (-253)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:35
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4621:396:5821:39
6:58
-
10K
6.21 mi11:11:1143:046:5621:25
6:54
-0:04
15K
9.32 mi11:32:301:04:236:5421:19
6:52
-0:02
20K
12.43 mi11:54:021:25:556:5521:32
6:56
+0:04
Half
13.11 mi11:58:421:30:356:554:40
6:50
-0:06
25K
15.53 mi12:15:271:47:206:5516:45
6:55
+0:05
30K
18.64 mi12:38:032:09:566:5822:36
7:16
+0:21
20M
20.00 mi12:48:302:20:237:0110:27
7:41
+0:25
21M
21.00 mi12:56:332:28:267:048:03
8:03
+0:22
35K
21.75 mi13:02:082:34:017:055:35
7:28
-0:35
23M
23.00 mi13:12:012:43:547:089:53
7:54
+0:26
24M
24.00 mi13:19:522:51:457:097:51
7:51
-0:03
40K
24.85 mi13:26:472:58:407:116:55
8:05
+0:14
25.2M
25.20 mi13:29:523:01:457:133:05
8:56
+0:51
Finish
26.22 mi13:38:203:10:137:168:28
8:19
-0:37

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

6:50 /mi

Average Pace

7:16 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:20

56% of race

Time at Steady Pace

38:38

20% of race

Time at Slower Pace

44:15

23% of race

Average Pace: 7:15 /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 mi10:49:4621:396:5821:39
6:58
#6076
10K
6.21 mi11:11:1143:046:5621:25
6:54
#6058
15K
9.32 mi11:32:301:04:236:5421:19
6:52
#5906
20K
12.43 mi11:54:021:25:556:5521:32
6:56
#5798
Half
13.11 mi11:58:421:30:356:554:40
6:50
#5782
25K
15.53 mi12:15:271:47:206:5516:45
6:55
#5653
30K
18.64 mi12:38:032:09:566:5822:36
7:16
#5646
20M
20.00 mi12:48:302:20:237:0110:27
7:41
#5766
21M
21.00 mi12:56:332:28:267:048:03
8:03
#5811
35K
21.75 mi13:02:082:34:017:055:35
7:28
#5861
23M
23.00 mi13:12:012:43:547:089:53
7:54
#5964
24M
24.00 mi13:19:522:51:457:097:51
7:51
#6064
40K
24.85 mi13:26:472:58:407:116:55
8:05
#6163
25.2M
25.20 mi13:29:523:01:457:133:05
8:56
#6219
Finish
26.22 mi13:38:203:10:137:168:28
8:19
#6472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60765215215681(Top 21%)463(Top 4%)463(Top 9%)
10K6.21 mi3.10 mi6058+185215216099(Top 23%)559(Top 5%)559(Top 11%)
15K9.32 mi3.11 mi5906+152496+25496+255681(Top 21%)463(Top 4%)463(Top 9%)
20K12.43 mi3.11 mi5798+108467+29467+295566(Top 21%)445(Top 4%)445(Top 9%)
Half13.11 mi0.68 mi5782+16464+3464+35682(Top 21%)457(Top 4%)457(Top 9%)
25K15.53 mi2.42 mi5653+129448+16448+165035(Top 19%)379(Top 3%)379(Top 8%)
30K18.64 mi3.11 mi5646+7459-11459-115902(Top 22%)593(Top 5%)593(Top 12%)
20M20.00 mi1.36 mi5766-120489-30489-308115(Top 30%)1436(Top 13%)1436(Top 29%)
21M21.00 mi1.00 mi5811-45508-19508-197687(Top 29%)1372(Top 12%)1372(Top 28%)
35K21.75 mi0.75 mi5861-50529-21529-218292(Top 31%)1594(Top 14%)1594(Top 33%)
23M23.00 mi1.25 mi5964-103566-37566-379039(Top 34%)2041(Top 18%)2041(Top 42%)
24M24.00 mi1.00 mi6064-100601-35601-3510162(Top 38%)2655(Top 23%)2655(Top 54%)
40K24.85 mi0.85 mi6163-99636-35636-3510644(Top 40%)2948(Top 26%)2948(Top 60%)
25.2M25.20 mi0.35 mi6219-56655-19655-1912181(Top 46%)3794(Top 33%)3794(Top 78%)
Finish26.22 mi1.02 mi6472-253736-81736-8114158(Top 53%)4819(Top 42%)4819(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5681

Females

463

F18-39

463

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6099

Females

559

F18-39

559

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5681

Females

463

F18-39

463

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5566

Females

445

F18-39

445

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5682

Females

457

F18-39

457

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5035

Females

379

F18-39

379

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5902

Females

593

F18-39

593

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8115

Females

1436

F18-39

1436

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7687

Females

1372

F18-39

1372

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8292

Females

1594

F18-39

1594

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9039

Females

2041

F18-39

2041

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10162

Females

2655

F18-39

2655

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10644

Females

2948

F18-39

2948

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12181

Females

3794

F18-39

3794

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14158

Females

4819

F18-39

4819

Passing Analysis

Category:
Athletes Passed
1070
Passed By
1466
Net Change
-396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6076
5K → 10K189171+18#6076#6058
10K → 15K21765+152#6058#5906
15K → 20K16355+108#5906#5798
20K → Half2711+16#5798#5782
Half → 25K14516+129#5782#5653
25K → 30K129122+7#5653#5646
30K → 20M27147-120#5646#5766
20M → 21M4590-45#5766#5811
21M → 35K2171-50#5811#5861
35K → 23M34137-103#5861#5964
23M → 24M33133-100#5964#6064
24M → 40K23122-99#6064#6163
40K → 25.2M965-56#6163#6219
25.2M → Finish8261-253#6219#6472
TOTALS10701466-396
📊

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