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BOSTON MARATHON 2023

Miranda Bona

Bib: 8544•F

MA

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
21:34
Rank: #5893
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
43:21
Rank: #6367 (-474)
5K → 10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:10
Rank: #6465 (-98)
10K → 15K
21:49 | 7:01/mi
20K· 12.43 mi
1:27:16
Rank: #6478 (-13)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:32:04
Rank: #6483 (-5)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:49:44
Rank: #6585 (-102)
Half → 25K
17:40 | 7:17/mi
30K· 18.64 mi
2:13:32
Rank: #6773 (-188)
25K → 30K
23:48 | 7:40/mi
20M
2:24:00
Rank: #6837 (-64)
30K → 20M
10:28 | 7:42/mi
21M
2:31:58
Rank: #6800 (+37)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:37:22
Rank: #6764 (+36)
21M → 35K
5:24 | 7:13/mi
23M
2:46:38
Rank: #6672 (+92)
35K → 23M
9:16 | 7:24/mi
24M
2:53:54
Rank: #6610 (+62)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:00:05
Rank: #6504 (+106)
24M → 40K
6:11 | 7:14/mi
25.2M
3:02:47
Rank: #6466 (+38)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:09:55
Rank: #6413 (+53)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:04
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:37:51
Pace7:28 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3721:346:5621:34
6:56
-
10K
6.21 mi11:08:2443:216:5921:47
7:01
+0:05
15K
9.32 mi11:30:131:05:107:0021:49
7:01
0:00
20K
12.43 mi11:52:191:27:167:0122:06
7:07
+0:06
Half
13.11 mi11:57:071:32:047:014:48
7:02
-0:05
25K
15.53 mi12:14:471:49:447:0417:40
7:17
+0:15
30K
18.64 mi12:38:352:13:327:1023:48
7:40
+0:23
20M
20.00 mi12:49:032:24:007:1210:28
7:42
+0:02
21M
21.00 mi12:57:012:31:587:147:58
7:58
+0:16
35K
21.75 mi13:02:252:37:227:145:24
7:13
-0:45
23M
23.00 mi13:11:412:46:387:159:16
7:24
+0:11
24M
24.00 mi13:18:572:53:547:157:16
7:16
-0:08
40K
24.85 mi13:25:083:00:057:156:11
7:14
-0:02
25.2M
25.20 mi13:27:503:02:477:152:42
7:50
+0:36
Finish
26.22 mi13:34:583:09:557:157:08
7:00
-0:50

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

6:56 /mi

Average Pace

7:15 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:59

76% of race

Time at Steady Pace

44:56

24% of race

Time at Slower Pace

0:00

0% 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 mi10:46:3721:346:5621:34
6:56
#5893
10K
6.21 mi11:08:2443:216:5921:47
7:01
#6367
15K
9.32 mi11:30:131:05:107:0021:49
7:01
#6465
20K
12.43 mi11:52:191:27:167:0122:06
7:07
#6478
Half
13.11 mi11:57:071:32:047:014:48
7:02
#6483
25K
15.53 mi12:14:471:49:447:0417:40
7:17
#6585
30K
18.64 mi12:38:352:13:327:1023:48
7:40
#6773
20M
20.00 mi12:49:032:24:007:1210:28
7:42
#6837
21M
21.00 mi12:57:012:31:587:147:58
7:58
#6800
35K
21.75 mi13:02:252:37:227:145:24
7:13
#6764
23M
23.00 mi13:11:412:46:387:159:16
7:24
#6672
24M
24.00 mi13:18:572:53:547:157:16
7:16
#6610
40K
24.85 mi13:25:083:00:057:156:11
7:14
#6504
25.2M
25.20 mi13:27:503:02:477:152:42
7:50
#6466
Finish
26.22 mi13:34:583:09:557:157:08
7:00
#6413
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi58934854856719(Top 25%)685(Top 6%)685(Top 14%)
10K6.21 mi3.10 mi6367-474591-106591-1066916(Top 26%)732(Top 6%)732(Top 15%)
15K9.32 mi3.11 mi6465-98619-28619-286719(Top 25%)685(Top 6%)685(Top 14%)
20K12.43 mi3.11 mi6478-13623-4623-46626(Top 25%)686(Top 6%)686(Top 14%)
Half13.11 mi0.68 mi6483-5627-4627-46810(Top 26%)707(Top 6%)707(Top 14%)
25K15.53 mi2.42 mi6585-102659-32659-327218(Top 27%)906(Top 8%)906(Top 19%)
30K18.64 mi3.11 mi6773-188721-62721-628370(Top 31%)1450(Top 13%)1450(Top 30%)
20M20.00 mi1.36 mi6837-64750-29750-298211(Top 31%)1470(Top 13%)1470(Top 30%)
21M21.00 mi1.00 mi6800+37747+3747+37159(Top 27%)1184(Top 10%)1184(Top 24%)
35K21.75 mi0.75 mi6764+36748-1748-16663(Top 25%)965(Top 8%)965(Top 20%)
23M23.00 mi1.25 mi6672+92744+4744+45889(Top 22%)777(Top 7%)777(Top 16%)
24M24.00 mi1.00 mi6610+62743+1743+16173(Top 23%)965(Top 8%)965(Top 20%)
40K24.85 mi0.85 mi6504+106726+17726+175084(Top 19%)677(Top 6%)677(Top 14%)
25.2M25.20 mi0.35 mi6466+38720+6720+65606(Top 21%)919(Top 8%)919(Top 19%)
Finish26.22 mi1.02 mi6413+53716+4716+45243(Top 20%)803(Top 7%)803(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6719

Females

685

F18-39

685

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6916

Females

732

F18-39

732

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6719

Females

685

F18-39

685

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6626

Females

686

F18-39

686

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6810

Females

707

F18-39

707

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7218

Females

906

F18-39

906

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8370

Females

1450

F18-39

1450

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8211

Females

1470

F18-39

1470

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7159

Females

1184

F18-39

1184

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6663

Females

965

F18-39

965

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5889

Females

777

F18-39

777

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6173

Females

965

F18-39

965

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5084

Females

677

F18-39

677

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5606

Females

919

F18-39

919

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5243

Females

803

F18-39

803

Passing Analysis

Category:
Athletes Passed
948
Passed By
1468
Net Change
-520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5893
5K → 10K50524-474#5893#6367
10K → 15K81179-98#6367#6465
15K → 20K96109-13#6465#6478
20K → Half1722-5#6478#6483
Half → 25K47149-102#6483#6585
25K → 30K63251-188#6585#6773
30K → 20M39103-64#6773#6837
20M → 21M7538+37#6837#6800
21M → 35K5519+36#6800#6764
35K → 23M11725+92#6764#6672
23M → 24M7614+62#6672#6610
24M → 40K1126+106#6610#6504
40K → 25.2M446+38#6504#6466
25.2M → Finish7623+53#6466#6413
TOTALS9481468-520
📊

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