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BOSTON MARATHON 2023

Andrea Larsen

Bib: 11530•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:49
Rank: #8419
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
45:46
Rank: #8934 (-515)
5K → 10K
22:57 | 7:23/mi
15K· 9.32 mi
1:08:30
Rank: #8834 (+100)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:31:10
Rank: #8517 (+317)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:36:07
Rank: #8501 (+16)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:53:50
Rank: #8283 (+218)
Half → 25K
17:43 | 7:18/mi
30K· 18.64 mi
2:16:52
Rank: #7956 (+327)
25K → 30K
23:02 | 7:25/mi
20M
2:26:58
Rank: #7796 (+160)
30K → 20M
10:06 | 7:26/mi
21M
2:34:46
Rank: #7657 (+139)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:40:12
Rank: #7601 (+56)
21M → 35K
5:26 | 7:16/mi
23M
2:49:41
Rank: #7510 (+91)
35K → 23M
9:29 | 7:34/mi
24M
2:57:00
Rank: #7448 (+62)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:03:17
Rank: #7361 (+87)
24M → 40K
6:17 | 7:21/mi
25.2M
3:05:56
Rank: #7306 (+55)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:13:01
Rank: #7160 (+146)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:54
Pace7:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3222:497:2122:49
7:21
-
10K
6.21 mi11:12:2945:467:2222:57
7:23
+0:02
15K
9.32 mi11:35:131:08:307:2122:44
7:19
-0:04
20K
12.43 mi11:57:531:31:107:2022:40
7:18
-0:01
Half
13.11 mi12:02:501:36:077:204:57
7:15
-0:03
25K
15.53 mi12:20:331:53:507:2017:43
7:18
+0:03
30K
18.64 mi12:43:352:16:527:2123:02
7:25
+0:07
20M
20.00 mi12:53:412:26:587:2110:06
7:26
+0:01
21M
21.00 mi13:01:292:34:467:227:48
7:48
+0:22
35K
21.75 mi13:06:552:40:127:225:26
7:16
-0:32
23M
23.00 mi13:16:242:49:417:239:29
7:34
+0:18
24M
24.00 mi13:23:432:57:007:237:19
7:19
-0:15
40K
24.85 mi13:30:003:03:177:226:17
7:21
+0:02
25.2M
25.20 mi13:32:393:05:567:232:39
7:41
+0:20
Finish
26.22 mi13:39:443:13:017:227:05
6:57
-0:44

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

6:57 /mi

Average Pace

7:22 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:34

95% of race

Time at Steady Pace

10:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:49:3222:497:2122:49
7:21
#8419
10K
6.21 mi11:12:2945:467:2222:57
7:23
#8934
15K
9.32 mi11:35:131:08:307:2122:44
7:19
#8834
20K
12.43 mi11:57:531:31:107:2022:40
7:18
#8517
Half
13.11 mi12:02:501:36:077:204:57
7:15
#8501
25K
15.53 mi12:20:331:53:507:2017:43
7:18
#8283
30K
18.64 mi12:43:352:16:527:2123:02
7:25
#7956
20M
20.00 mi12:53:412:26:587:2110:06
7:26
#7796
21M
21.00 mi13:01:292:34:467:227:48
7:48
#7657
35K
21.75 mi13:06:552:40:127:225:26
7:16
#7601
23M
23.00 mi13:16:242:49:417:239:29
7:34
#7510
24M
24.00 mi13:23:432:57:007:237:19
7:19
#7448
40K
24.85 mi13:30:003:03:177:226:17
7:21
#7361
25.2M
25.20 mi13:32:393:05:567:232:39
7:41
#7306
Finish
26.22 mi13:39:443:13:017:227:05
6:57
#7160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8419116011608705(Top 33%)1320(Top 12%)1320(Top 27%)
10K6.21 mi3.10 mi8934-5151384-2241384-2249501(Top 36%)1618(Top 14%)1618(Top 33%)
15K9.32 mi3.11 mi8834+1001359+251359+258705(Top 33%)1320(Top 12%)1320(Top 27%)
20K12.43 mi3.11 mi8517+3171243+1161243+1167764(Top 29%)1018(Top 9%)1018(Top 21%)
Half13.11 mi0.68 mi8501+161234+91234+98286(Top 31%)1191(Top 10%)1191(Top 24%)
25K15.53 mi2.42 mi8283+2181182+521182+527343(Top 28%)957(Top 8%)957(Top 20%)
30K18.64 mi3.11 mi7956+3271096+861096+866690(Top 25%)826(Top 7%)826(Top 17%)
20M20.00 mi1.36 mi7796+1601056+401056+406383(Top 24%)813(Top 7%)813(Top 17%)
21M21.00 mi1.00 mi7657+1391031+251031+256202(Top 23%)856(Top 7%)856(Top 18%)
35K21.75 mi0.75 mi7601+561013+181013+186934(Top 26%)1075(Top 9%)1075(Top 22%)
23M23.00 mi1.25 mi7510+911010+31010+36923(Top 26%)1135(Top 10%)1135(Top 23%)
24M24.00 mi1.00 mi7448+621008+21008+26513(Top 24%)1074(Top 9%)1074(Top 22%)
40K24.85 mi0.85 mi7361+871000+81000+85783(Top 22%)900(Top 8%)900(Top 18%)
25.2M25.20 mi0.35 mi7306+55988+12988+124880(Top 18%)687(Top 6%)687(Top 14%)
Finish26.22 mi1.02 mi7160+146965+23965+234951(Top 19%)711(Top 6%)711(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8705

Females

1320

F18-39

1320

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9501

Females

1618

F18-39

1618

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8705

Females

1320

F18-39

1320

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7764

Females

1018

F18-39

1018

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8286

Females

1191

F18-39

1191

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7343

Females

957

F18-39

957

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6690

Females

826

F18-39

826

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6383

Females

813

F18-39

813

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6202

Females

856

F18-39

856

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6934

Females

1075

F18-39

1075

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6923

Females

1135

F18-39

1135

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6513

Females

1074

F18-39

1074

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5783

Females

900

F18-39

900

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4880

Females

687

F18-39

687

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4951

Females

711

F18-39

711

Passing Analysis

Category:
Athletes Passed
2154
Passed By
895
Net Change
+1259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8419
5K → 10K93608-515#8419#8934
10K → 15K18989+100#8934#8834
15K → 20K33922+317#8834#8517
20K → Half3923+16#8517#8501
Half → 25K23012+218#8501#8283
25K → 30K34417+327#8283#7956
30K → 20M17313+160#7956#7796
20M → 21M1478+139#7796#7657
21M → 35K6610+56#7657#7601
35K → 23M12635+91#7601#7510
23M → 24M9028+62#7510#7448
24M → 40K9912+87#7448#7361
40K → 25.2M572+55#7361#7306
25.2M → Finish16216+146#7306#7160
TOTALS2154895+1259
📊

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