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BOSTON MARATHON 2023

Carrie Boland

Bib: 19051•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F40-44)
#0 / 1878
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:59
Rank: #14312
Start → 5K
8:02/mi
24:59 split
10K· 6.21 mi
49:28
Rank: #14091 (+221)
5K → 10K
7:53/mi
24:29 split
15K· 9.32 mi
1:13:45
Rank: #13683 (+408)
10K → 15K
7:49/mi
24:17 split
20K· 12.43 mi
1:38:18
Rank: #13407 (+276)
15K → 20K
7:54/mi
24:33 split
Half· 13.11 mi
1:43:41
Rank: #13389 (+18)
20K → Half
7:53/mi
5:23 split
25K· 15.53 mi
2:03:08
Rank: #13287 (+102)
Half → 25K
8:01/mi
19:27 split
30K· 18.64 mi
2:29:02
Rank: #13263 (+24)
25K → 30K
8:20/mi
25:54 split
20M
2:40:23
Rank: #13195 (+68)
30K → 20M
8:21/mi
11:21 split
21M
2:49:29
Rank: #13213 (-18)
20M → 21M
9:06/mi
9:06 split
35K· 21.75 mi
2:55:42
Rank: #13245 (-32)
21M → 35K
8:19/mi
6:13 split
23M
3:06:22
Rank: #13216 (+29)
35K → 23M
8:31/mi
10:40 split
24M
3:14:43
Rank: #13225 (-9)
23M → 24M
8:21/mi
8:21 split
40K· 24.85 mi
3:21:53
Rank: #13180 (+45)
24M → 40K
8:23/mi
7:10 split
25.2M
3:25:02
Rank: #13151 (+29)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:33:30
Rank: #13185 (-34)
25.2M → Finish
8:19/mi
8:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:49:49
Pace8:23 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5924:598:0224:59
8:02
-
10K
6.21 mi11:43:2849:287:5824:29
7:53
-0:09
15K
9.32 mi12:07:451:13:457:5524:17
7:49
-0:04
20K
12.43 mi12:32:181:38:187:5524:33
7:54
+0:05
Half
13.11 mi12:37:411:43:417:555:23
7:53
-0:01
25K
15.53 mi12:57:082:03:087:5619:27
8:01
+0:08
30K
18.64 mi13:23:022:29:028:0025:54
8:20
+0:19
20M
20.00 mi13:34:232:40:238:0111:21
8:21
+0:01
21M
21.00 mi13:43:292:49:298:049:06
9:06
+0:45
35K
21.75 mi13:49:422:55:428:056:13
8:19
-0:47
23M
23.00 mi14:00:223:06:228:0610:40
8:31
+0:12
24M
24.00 mi14:08:433:14:438:078:21
8:21
-0:10
40K
24.85 mi14:15:533:21:538:077:10
8:23
+0:02
25.2M
25.20 mi14:19:023:25:028:083:09
9:08
+0:45
Finish
26.22 mi14:27:303:33:308:098:28
8:19
-0:49

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

7:49 /mi

Average Pace

8:09 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:15

94% of race

Time at Steady Pace

12:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:18:5924:598:0224:59
8:02
#14312
10K
6.21 mi11:43:2849:287:5824:29
7:53
#14091
15K
9.32 mi12:07:451:13:457:5524:17
7:49
#13683
20K
12.43 mi12:32:181:38:187:5524:33
7:54
#13407
Half
13.11 mi12:37:411:43:417:555:23
7:53
#13389
25K
15.53 mi12:57:082:03:087:5619:27
8:01
#13287
30K
18.64 mi13:23:022:29:028:0025:54
8:20
#13263
20M
20.00 mi13:34:232:40:238:0111:21
8:21
#13195
21M
21.00 mi13:43:292:49:298:049:06
9:06
#13213
35K
21.75 mi13:49:422:55:428:056:13
8:19
#13245
23M
23.00 mi14:00:223:06:228:0610:40
8:31
#13216
24M
24.00 mi14:08:433:14:438:078:21
8:21
#13225
40K
24.85 mi14:15:533:21:538:077:10
8:23
#13180
25.2M
25.20 mi14:19:023:25:028:083:09
9:08
#13151
Finish
26.22 mi14:27:303:33:308:098:28
8:19
#13185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi143124213421312887(Top 48%)3405(Top 30%)3405(Top 181%)
10K6.21 mi3.10 mi14091+2214098+1154098+11513822(Top 52%)3938(Top 34%)3938(Top 210%)
15K9.32 mi3.11 mi13683+4083872+2263872+22612887(Top 48%)3405(Top 30%)3405(Top 181%)
20K12.43 mi3.11 mi13407+2763726+1463726+14612657(Top 48%)3359(Top 29%)3359(Top 179%)
Half13.11 mi0.68 mi13389+183716+103716+1013557(Top 51%)3833(Top 34%)3833(Top 204%)
25K15.53 mi2.42 mi13287+1023675+413675+4112939(Top 49%)3596(Top 31%)3596(Top 191%)
30K18.64 mi3.11 mi13263+243704-293704-2913280(Top 50%)3906(Top 34%)3906(Top 208%)
20M20.00 mi1.36 mi13195+683677+273677+2712728(Top 48%)3699(Top 32%)3699(Top 197%)
21M21.00 mi1.00 mi13213-183698-213698-2113997(Top 53%)4480(Top 39%)4480(Top 239%)
35K21.75 mi0.75 mi13245-323740-423740-4214162(Top 53%)4642(Top 41%)4642(Top 247%)
23M23.00 mi1.25 mi13216+293742-23742-213369(Top 50%)4273(Top 37%)4273(Top 228%)
24M24.00 mi1.00 mi13225-93778-363778-3613547(Top 51%)4416(Top 39%)4416(Top 235%)
40K24.85 mi0.85 mi13180+453770+83770+812608(Top 47%)4000(Top 35%)4000(Top 213%)
25.2M25.20 mi0.35 mi13151+293769+13769+113311(Top 50%)4382(Top 38%)4382(Top 233%)
Finish26.22 mi1.02 mi13185-343807-383807-3814170(Top 53%)4831(Top 42%)4831(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12887

Females

3405

F40-44

3405

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13822

Females

3938

F40-44

3938

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12887

Females

3405

F40-44

3405

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12657

Females

3359

F40-44

3359

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13557

Females

3833

F40-44

3833

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12939

Females

3596

F40-44

3596

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13280

Females

3906

F40-44

3906

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12728

Females

3699

F40-44

3699

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13997

Females

4480

F40-44

4480

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14162

Females

4642

F40-44

4642

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13369

Females

4273

F40-44

4273

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13547

Females

4416

F40-44

4416

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12608

Females

4000

F40-44

4000

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13311

Females

4382

F40-44

4382

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14170

Females

4831

F40-44

4831

Passing Analysis

Category:
Athletes Passed
2236
Passed By
1109
Net Change
+1127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14312
5K → 10K412191+221#14312#14091
10K → 15K46052+408#14091#13683
15K → 20K32751+276#13683#13407
20K → Half3820+18#13407#13389
Half → 25K19189+102#13389#13287
25K → 30K205181+24#13287#13263
30K → 20M12254+68#13263#13195
20M → 21M8199-18#13195#13213
21M → 35K4779-32#13213#13245
35K → 23M10879+29#13245#13216
23M → 24M6776-9#13216#13225
24M → 40K8136+45#13225#13180
40K → 25.2M4718+29#13180#13151
25.2M → Finish5084-34#13151#13185
TOTALS22361109+1127
📊

Passing Visuals

Category:
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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