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BOSTON MARATHON 2023

Monica Bell

Bib: 10344•F

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:37
Rank: #5997
Start → 5K
21:37 | 6:57/mi
10K· 6.21 mi
43:06
Rank: #6102 (-105)
5K → 10K
21:29 | 6:55/mi
15K· 9.32 mi
1:05:21
Rank: #6575 (-473)
10K → 15K
22:15 | 7:10/mi
20K· 12.43 mi
1:28:16
Rank: #6961 (-386)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:33:09
Rank: #6974 (-13)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:51:24
Rank: #7204 (-230)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:16:21
Rank: #7740 (-536)
25K → 30K
24:57 | 8:02/mi
20M
2:28:05
Rank: #8207 (-467)
30K → 20M
11:44 | 8:38/mi
21M
2:37:34
Rank: #8674 (-467)
20M → 21M
9:29 | 9:29/mi
35K· 21.75 mi
2:43:56
Rank: #8926 (-252)
21M → 35K
6:22 | 8:31/mi
23M
2:54:54
Rank: #9255 (-329)
35K → 23M
10:58 | 8:46/mi
24M
3:03:34
Rank: #9548 (-293)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:10:53
Rank: #9668 (-120)
24M → 40K
7:19 | 8:33/mi
25.2M
3:14:10
Rank: #9768 (-100)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:22:13
Rank: #9800 (-32)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:09
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:49:04
Pace8:19 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3721:376:5721:37
6:57
-
10K
6.21 mi11:09:0643:066:5621:29
6:55
-0:02
15K
9.32 mi11:31:211:05:217:0122:15
7:10
+0:15
20K
12.43 mi11:54:161:28:167:0622:55
7:23
+0:13
Half
13.11 mi11:59:091:33:097:064:53
7:09
-0:14
25K
15.53 mi12:17:241:51:247:1018:15
7:32
+0:23
30K
18.64 mi12:42:212:16:217:1924:57
8:02
+0:30
20M
20.00 mi12:54:052:28:057:2411:44
8:38
+0:36
21M
21.00 mi13:03:342:37:347:309:29
9:29
+0:51
35K
21.75 mi13:09:562:43:567:326:22
8:31
-0:58
23M
23.00 mi13:20:542:54:547:3610:58
8:46
+0:15
24M
24.00 mi13:29:343:03:347:398:40
8:40
-0:06
40K
24.85 mi13:36:533:10:537:417:19
8:33
-0:07
25.2M
25.20 mi13:40:103:14:107:423:17
9:31
+0:58
Finish
26.22 mi13:48:133:22:137:438:03
7:54
-1:37

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

6:55 /mi

Average Pace

7:43 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:24

55% of race

Time at Steady Pace

33:00

16% of race

Time at Slower Pace

57:49

29% of race

Average Pace: 7:43 /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 mi10:47:3721:376:5721:37
6:57
#5997
10K
6.21 mi11:09:0643:066:5621:29
6:55
#6102
15K
9.32 mi11:31:211:05:217:0122:15
7:10
#6575
20K
12.43 mi11:54:161:28:167:0622:55
7:23
#6961
Half
13.11 mi11:59:091:33:097:064:53
7:09
#6974
25K
15.53 mi12:17:241:51:247:1018:15
7:32
#7204
30K
18.64 mi12:42:212:16:217:1924:57
8:02
#7740
20M
20.00 mi12:54:052:28:057:2411:44
8:38
#8207
21M
21.00 mi13:03:342:37:347:309:29
9:29
#8674
35K
21.75 mi13:09:562:43:567:326:22
8:31
#8926
23M
23.00 mi13:20:542:54:547:3610:58
8:46
#9255
24M
24.00 mi13:29:343:03:347:398:40
8:40
#9548
40K
24.85 mi13:36:533:10:537:417:19
8:33
#9668
25.2M
25.20 mi13:40:103:14:107:423:17
9:31
#9768
Finish
26.22 mi13:48:133:22:137:438:03
7:54
#9800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi59975095097553(Top 28%)919(Top 8%)919(Top 19%)
10K6.21 mi3.10 mi6102-105534-25534-256267(Top 24%)590(Top 5%)590(Top 12%)
15K9.32 mi3.11 mi6575-473634-100634-1007553(Top 28%)919(Top 8%)919(Top 19%)
20K12.43 mi3.11 mi6961-386730-96730-968351(Top 31%)1246(Top 11%)1246(Top 26%)
Half13.11 mi0.68 mi6974-13736-6736-67639(Top 29%)982(Top 9%)982(Top 20%)
25K15.53 mi2.42 mi7204-230806-70806-708997(Top 34%)1557(Top 14%)1557(Top 32%)
30K18.64 mi3.11 mi7740-5361020-2141020-21411152(Top 42%)2711(Top 24%)2711(Top 56%)
20M20.00 mi1.36 mi8207-4671212-1921212-19214486(Top 54%)4688(Top 41%)4688(Top 96%)
21M21.00 mi1.00 mi8674-4671402-1901402-19015882(Top 60%)5553(Top 49%)5553(Top 114%)
35K21.75 mi0.75 mi8926-2521508-1061508-10615384(Top 58%)5329(Top 47%)5329(Top 109%)
23M23.00 mi1.25 mi9255-3291681-1731681-17314756(Top 55%)5032(Top 44%)5032(Top 103%)
24M24.00 mi1.00 mi9548-2931817-1361817-13615463(Top 58%)5503(Top 48%)5503(Top 113%)
40K24.85 mi0.85 mi9668-1201896-791896-7913699(Top 51%)4566(Top 40%)4566(Top 93%)
25.2M25.20 mi0.35 mi9768-1001963-671963-6715283(Top 57%)5444(Top 48%)5444(Top 111%)
Finish26.22 mi1.02 mi9800-322008-452008-4511404(Top 43%)3392(Top 30%)3392(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7553

Females

919

F18-39

919

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6267

Females

590

F18-39

590

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7553

Females

919

F18-39

919

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8351

Females

1246

F18-39

1246

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7639

Females

982

F18-39

982

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8997

Females

1557

F18-39

1557

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11152

Females

2711

F18-39

2711

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14486

Females

4688

F18-39

4688

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15882

Females

5553

F18-39

5553

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15384

Females

5329

F18-39

5329

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14756

Females

5032

F18-39

5032

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15463

Females

5503

F18-39

5503

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13699

Females

4566

F18-39

4566

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15283

Females

5444

F18-39

5444

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11404

Females

3392

F18-39

3392

Passing Analysis

Category:
Athletes Passed
442*
Passed By
4245
Net Change
-3803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5997
5K → 10K137242-105#5997#6102
10K → 15K25498-473#6102#6575
15K → 20K30416-386#6575#6961
20K → Half1023-13#6961#6974
Half → 25K35265-230#6974#7204
25K → 30K36572-536#7204#7740
30K → 20M10477-467#7740#8207
20M → 21M6473-467#8207#8674
21M → 35K12264-252#8674#8926
35K → 23M21350-329#8926#9255
23M → 24M16309-293#9255#9548
24M → 40K29*149-120#9548#9668
40K → 25.2M12112-100#9668#9768
25.2M → Finish63*95-32#9768#9800
TOTALS442*4245-3803

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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