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BOSTON MARATHON 2023

Andrejka Massicotte

Bib: 17654•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F45-49)
#0 / 1817
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:13:26
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:43:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:03:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:29:30
↑ 181↓ 1480.2%
20M
8:23/mi
2:40:53
↑ 64↓ 500.2%
21M
8:49/mi
2:49:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:55:50
↑ 17↓ 861.7%
23M
8:34/mi
3:06:33
↑ 23↓ 630.6%
24M
8:34/mi
3:15:07
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:22:40
↓ 200.3%
25.2M
9:37/mi
3:25:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:34:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:50:48
Pace8:27 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1124:297:5324:29
7:53
-
10K
6.21 mi11:39:2748:457:5124:16
7:49
-0:04
15K
9.32 mi12:04:081:13:267:5324:41
7:57
+0:08
20K
12.43 mi12:29:041:38:227:5524:56
8:02
+0:05
Half
13.11 mi12:34:321:43:507:555:28
8:01
-0:01
25K
15.53 mi12:54:162:03:347:5719:44
8:08
+0:07
30K
18.64 mi13:20:122:29:308:0125:56
8:21
+0:13
20M
20.00 mi13:31:352:40:538:0311:23
8:23
+0:02
21M
21.00 mi13:40:242:49:428:058:49
8:49
+0:26
35K
21.75 mi13:46:322:55:508:056:08
8:12
-0:37
23M
23.00 mi13:57:153:06:338:0710:43
8:34
+0:22
24M
24.00 mi14:05:493:15:078:088:34
8:34
0:00
40K
24.85 mi14:13:223:22:408:097:33
8:50
+0:16
25.2M
25.20 mi14:16:413:25:598:103:19
9:37
+0:47
Finish
26.22 mi14:25:203:34:388:128:39
8:29
-1:08

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

8:12 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:50

48% of race

Time at Steady Pace

1:31:07

42% of race

Time at Slower Pace

19:41

9% of race

Average Pace: 8:11 /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 mi11:15:1124:297:5324:29
7:53
#13098
10K
6.21 mi11:39:2748:457:5124:16
7:49
#13158
15K
9.32 mi12:04:081:13:267:5324:41
7:57
#13398
20K
12.43 mi12:29:041:38:227:5524:56
8:02
#13444
Half
13.11 mi12:34:321:43:507:555:28
8:01
#13482
25K
15.53 mi12:54:162:03:347:5719:44
8:08
#13504
30K
18.64 mi13:20:122:29:308:0125:56
8:21
#13445
20M
20.00 mi13:31:352:40:538:0311:23
8:23
#13374
21M
21.00 mi13:40:242:49:428:058:49
8:49
#13310
35K
21.75 mi13:46:322:55:508:056:08
8:12
#13298
23M
23.00 mi13:57:153:06:338:0710:43
8:34
#13286
24M
24.00 mi14:05:493:15:078:088:34
8:34
#13340
40K
24.85 mi14:13:223:22:408:097:33
8:50
#13405
25.2M
25.20 mi14:16:413:25:598:103:19
9:37
#13446
Finish
26.22 mi14:25:203:34:388:128:39
8:29
#13532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi130983501350113966(Top 52%)4065(Top 36%)4065(Top 224%)
10K6.21 mi3.10 mi13158-603542-413542-4113234(Top 50%)3574(Top 31%)3574(Top 197%)
15K9.32 mi3.11 mi13398-2403691-1493691-14913966(Top 52%)4065(Top 36%)4065(Top 224%)
20K12.43 mi3.11 mi13444-463748-573748-5713663(Top 51%)3913(Top 34%)3913(Top 215%)
Half13.11 mi0.68 mi13482-383773-253773-2514516(Top 55%)4385(Top 38%)4385(Top 241%)
25K15.53 mi2.42 mi13504-223813-403813-4013808(Top 52%)4101(Top 36%)4101(Top 226%)
30K18.64 mi3.11 mi13445+593810+33810+313336(Top 50%)3941(Top 35%)3941(Top 217%)
20M20.00 mi1.36 mi13374+713783+273783+2712893(Top 48%)3803(Top 33%)3803(Top 209%)
21M21.00 mi1.00 mi13310+643760+233760+2312395(Top 47%)3631(Top 32%)3631(Top 200%)
35K21.75 mi0.75 mi13298+123770-103770-1013441(Top 50%)4240(Top 37%)4240(Top 233%)
23M23.00 mi1.25 mi13286+123791-213791-2113597(Top 51%)4392(Top 38%)4392(Top 242%)
24M24.00 mi1.00 mi13340-543843-523843-5214876(Top 56%)5153(Top 45%)5153(Top 284%)
40K24.85 mi0.85 mi13405-653901-583901-5815244(Top 57%)5426(Top 48%)5426(Top 299%)
25.2M25.20 mi0.35 mi13446-413943-423943-4215756(Top 59%)5712(Top 50%)5712(Top 314%)
Finish26.22 mi1.02 mi13532-864007-644007-6415363(Top 58%)5456(Top 48%)5456(Top 300%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13966

Females

4065

F45-49

4065

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13234

Females

3574

F45-49

3574

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13966

Females

4065

F45-49

4065

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13663

Females

3913

F45-49

3913

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14516

Females

4385

F45-49

4385

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13808

Females

4101

F45-49

4101

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13336

Females

3941

F45-49

3941

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12893

Females

3803

F45-49

3803

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12395

Females

3631

F45-49

3631

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13441

Females

4240

F45-49

4240

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13597

Females

4392

F45-49

4392

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14876

Females

5153

F45-49

5153

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15244

Females

5426

F45-49

5426

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15756

Females

5712

F45-49

5712

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15363

Females

5456

F45-49

5456

Passing Analysis

Category:
Athletes Passed
1507
Passed By
1941
Net Change
-434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13098
5K → 10K280340-60#13098#13158
10K → 15K125365-240#13158#13398
15K → 20K166212-46#13398#13444
20K → Half1755-38#13444#13482
Half → 25K135157-22#13482#13504
25K → 30K219160+59#13504#13445
30K → 20M11342+71#13445#13374
20M → 21M12157+64#13374#13310
21M → 35K6250+12#13310#13298
35K → 23M10290+12#13298#13286
23M → 24M53107-54#13286#13340
24M → 40K44109-65#13340#13405
40K → 25.2M2162-41#13405#13446
25.2M → Finish49135-86#13446#13532
TOTALS15071941-434
📊

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