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BOSTON MARATHON 2023

Allison Lausin

Bib: 18621•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 36%
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
8:01/mi
24:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:14:00
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:38:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:03:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:29:41
↑ 181↓ 1480.2%
20M
8:23/mi
2:41:04
↑ 64↓ 500.2%
21M
8:55/mi
2:49:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:56:10
↑ 17↓ 861.7%
23M
8:32/mi
3:06:51
↑ 23↓ 630.6%
24M
8:16/mi
3:15:07
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:22:17
↓ 200.3%
25.2M
8:48/mi
3:25:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:33:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:16
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3524:548:0124:54
8:01
-
10K
6.21 mi11:41:0749:267:5724:32
7:54
-0:07
15K
9.32 mi12:05:411:14:007:5624:34
7:54
0:00
20K
12.43 mi12:30:331:38:527:5724:52
8:00
+0:06
Half
13.11 mi12:35:571:44:167:575:24
7:55
-0:05
25K
15.53 mi12:55:262:03:457:5819:29
8:02
+0:07
30K
18.64 mi13:21:222:29:418:0225:56
8:21
+0:19
20M
20.00 mi13:32:452:41:048:0311:23
8:23
+0:02
21M
21.00 mi13:41:402:49:598:068:55
8:55
+0:32
35K
21.75 mi13:47:512:56:108:066:11
8:16
-0:39
23M
23.00 mi13:58:323:06:518:0710:41
8:32
+0:16
24M
24.00 mi14:06:483:15:078:088:16
8:16
-0:16
40K
24.85 mi14:13:583:22:178:087:10
8:23
+0:07
25.2M
25.20 mi14:17:003:25:198:093:02
8:48
+0:25
Finish
26.22 mi14:24:593:33:188:087:59
7:50
-0:58

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

7:50 /mi

Average Pace

8:08 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:21

94% of race

Time at Steady Pace

11:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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 mi11:16:3524:548:0124:54
8:01
#14130
10K
6.21 mi11:41:0749:267:5724:32
7:54
#14043
15K
9.32 mi12:05:411:14:007:5624:34
7:54
#13902
20K
12.43 mi12:30:331:38:527:5724:52
8:00
#13741
Half
13.11 mi12:35:571:44:167:575:24
7:55
#13736
25K
15.53 mi12:55:262:03:457:5819:29
8:02
#13613
30K
18.64 mi13:21:222:29:418:0225:56
8:21
#13515
20M
20.00 mi13:32:452:41:048:0311:23
8:23
#13458
21M
21.00 mi13:41:402:49:598:068:55
8:55
#13407
35K
21.75 mi13:47:512:56:108:066:11
8:16
#13411
23M
23.00 mi13:58:323:06:518:0710:41
8:32
#13380
24M
24.00 mi14:06:483:15:078:088:16
8:16
#13337
40K
24.85 mi14:13:583:22:178:087:10
8:23
#13291
25.2M
25.20 mi14:17:003:25:198:093:02
8:48
#13230
Finish
26.22 mi14:24:593:33:188:087:59
7:50
#13139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141304108410813635(Top 51%)3859(Top 34%)3859(Top 205%)
10K6.21 mi3.10 mi14043+874068+404068+4013968(Top 52%)4024(Top 35%)4024(Top 214%)
15K9.32 mi3.11 mi13902+1413999+693999+6913635(Top 51%)3859(Top 34%)3859(Top 205%)
20K12.43 mi3.11 mi13741+1613931+683931+6813478(Top 51%)3811(Top 33%)3811(Top 203%)
Half13.11 mi0.68 mi13736+53925+63925+613741(Top 52%)3928(Top 34%)3928(Top 209%)
25K15.53 mi2.42 mi13613+1233872+533872+5313046(Top 49%)3653(Top 32%)3653(Top 195%)
30K18.64 mi3.11 mi13515+983848+243848+2413333(Top 50%)3938(Top 34%)3938(Top 210%)
20M20.00 mi1.36 mi13458+573834+143834+1412888(Top 48%)3798(Top 33%)3798(Top 202%)
21M21.00 mi1.00 mi13407+513822+123822+1212952(Top 49%)3916(Top 34%)3916(Top 209%)
35K21.75 mi0.75 mi13411-43835-133835-1313919(Top 52%)4510(Top 39%)4510(Top 240%)
23M23.00 mi1.25 mi13380+313842-73842-713443(Top 50%)4306(Top 38%)4306(Top 229%)
24M24.00 mi1.00 mi13337+433840+23840+213077(Top 49%)4166(Top 36%)4166(Top 222%)
40K24.85 mi0.85 mi13291+463834+63834+612607(Top 47%)3999(Top 35%)3999(Top 213%)
25.2M25.20 mi0.35 mi13230+613813+213813+2111397(Top 43%)3409(Top 30%)3409(Top 182%)
Finish26.22 mi1.02 mi13139+913781+323781+3210976(Top 41%)3184(Top 28%)3184(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13635

Females

3859

F40-44

3859

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13968

Females

4024

F40-44

4024

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13635

Females

3859

F40-44

3859

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13478

Females

3811

F40-44

3811

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13741

Females

3928

F40-44

3928

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13046

Females

3653

F40-44

3653

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13333

Females

3938

F40-44

3938

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12888

Females

3798

F40-44

3798

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12952

Females

3916

F40-44

3916

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13919

Females

4510

F40-44

4510

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13443

Females

4306

F40-44

4306

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13077

Females

4166

F40-44

4166

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12607

Females

3999

F40-44

3999

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11397

Females

3409

F40-44

3409

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10976

Females

3184

F40-44

3184

Passing Analysis

Category:
Athletes Passed
2056
Passed By
1065
Net Change
+991
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14130
5K → 10K330243+87#14130#14043
10K → 15K261120+141#14043#13902
15K → 20K25897+161#13902#13741
20K → Half2924+5#13741#13736
Half → 25K20077+123#13736#13613
25K → 30K242144+98#13613#13515
30K → 20M11356+57#13515#13458
20M → 21M11261+51#13458#13407
21M → 35K5256-4#13407#13411
35K → 23M10877+31#13411#13380
23M → 24M8946+43#13380#13337
24M → 40K8337+46#13337#13291
40K → 25.2M687+61#13291#13230
25.2M → Finish11120+91#13230#13139
TOTALS20561065+991
📊

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