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BOSTON MARATHON 2023

Larissa Weeks

Bib: 26004•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:10
Rank: #24373
Start → 5K
10:21/mi
32:10 split
10K· 6.21 mi
1:04:22
Rank: #24411 (-38)
5K → 10K
10:22/mi
32:12 split
15K· 9.32 mi
1:35:01
Rank: #23998 (+413)
10K → 15K
9:52/mi
30:39 split
20K· 12.43 mi
2:07:47
Rank: #23985 (+13)
15K → 20K
10:33/mi
32:46 split
Half· 13.11 mi
2:14:36
Rank: #23932 (+53)
20K → Half
9:59/mi
6:49 split
25K· 15.53 mi
2:44:57
Rank: #24391 (-459)
Half → 25K
12:31/mi
30:21 split
30K· 18.64 mi
3:23:11
Rank: #24530 (-139)
25K → 30K
12:18/mi
38:14 split
20M
3:39:08
Rank: #24462 (+68)
30K → 20M
11:44/mi
15:57 split
21M
3:52:57
Rank: #24516 (-54)
20M → 21M
13:49/mi
13:49 split
35K· 21.75 mi
4:03:00
Rank: #24615 (-99)
21M → 35K
13:26/mi
10:03 split
23M
4:20:20
Rank: #24742 (-127)
35K → 23M
13:51/mi
17:20 split
24M
4:32:04
Rank: #24721 (+21)
23M → 24M
11:44/mi
11:44 split
40K· 24.85 mi
4:41:59
Rank: #24673 (+48)
24M → 40K
11:36/mi
9:55 split
25.2M
4:46:22
Rank: #24666 (+7)
40K → 25.2M
12:43/mi
4:23 split
Finish· 26.22 mi
4:57:47
Rank: #24682 (-16)
25.2M → Finish
11:12/mi
11:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:36
Pace10:16 /mi
2nd Half
Distance13.11 mi
Time2:43:11
Pace12:27 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2032:1010:2132:10
10:21
-
10K
6.21 mi12:25:321:04:2210:2232:12
10:22
+0:01
15K
9.32 mi12:56:111:35:0110:1230:39
9:52
-0:30
20K
12.43 mi13:28:572:07:4710:1732:46
10:33
+0:41
Half
13.11 mi13:35:462:14:3610:166:49
9:59
-0:34
25K
15.53 mi14:06:072:44:5710:3730:21
12:31
+2:32
30K
18.64 mi14:44:213:23:1110:5438:14
12:18
-0:13
20M
20.00 mi15:00:183:39:0810:5715:57
11:44
-0:34
21M
21.00 mi15:14:073:52:5711:0613:49
13:49
+2:05
35K
21.75 mi15:24:104:03:0011:1010:03
13:26
-0:23
23M
23.00 mi15:41:304:20:2011:1917:20
13:51
+0:25
24M
24.00 mi15:53:144:32:0411:2011:44
11:44
-2:07
40K
24.85 mi16:03:094:41:5911:219:55
11:36
-0:08
25.2M
25.20 mi16:07:324:46:2211:224:23
12:43
+1:07
Finish
26.22 mi16:18:574:57:4711:2211:25
11:12
-1:31

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

9:52 /mi

Average Pace

11:22 /mi

Slowest Pace

13:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:36

45% of race

Time at Steady Pace

1:27:15

29% of race

Time at Slower Pace

1:15:56

25% of race

Average Pace: 11:21 /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 mi11:53:2032:1010:2132:10
10:21
#24373
10K
6.21 mi12:25:321:04:2210:2232:12
10:22
#24411
15K
9.32 mi12:56:111:35:0110:1230:39
9:52
#23998
20K
12.43 mi13:28:572:07:4710:1732:46
10:33
#23985
Half
13.11 mi13:35:462:14:3610:166:49
9:59
#23932
25K
15.53 mi14:06:072:44:5710:3730:21
12:31
#24391
30K
18.64 mi14:44:213:23:1110:5438:14
12:18
#24530
20M
20.00 mi15:00:183:39:0810:5715:57
11:44
#24462
21M
21.00 mi15:14:073:52:5711:0613:49
13:49
#24516
35K
21.75 mi15:24:104:03:0011:1010:03
13:26
#24615
23M
23.00 mi15:41:304:20:2011:1917:20
13:51
#24742
24M
24.00 mi15:53:144:32:0411:2011:44
11:44
#24721
40K
24.85 mi16:03:094:41:5911:219:55
11:36
#24673
25.2M
25.20 mi16:07:324:46:2211:224:23
12:43
#24666
Finish
26.22 mi16:18:574:57:4711:2211:25
11:12
#24682
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24373100811008123227(Top 87%)9463(Top 83%)9463(Top 194%)
10K6.21 mi3.10 mi24411-3810113-3210113-3224425(Top 92%)10129(Top 89%)10129(Top 207%)
15K9.32 mi3.11 mi23998+4139890+2239890+22323227(Top 87%)9463(Top 83%)9463(Top 194%)
20K12.43 mi3.11 mi23985+139882+89882+823915(Top 90%)9851(Top 86%)9851(Top 202%)
Half13.11 mi0.68 mi23932+539851+319851+3123279(Top 87%)9509(Top 83%)9509(Top 195%)
25K15.53 mi2.42 mi24391-45910127-27610127-27625559(Top 96%)10824(Top 95%)10824(Top 222%)
30K18.64 mi3.11 mi24530-13910223-9610223-9624812(Top 93%)10463(Top 92%)10463(Top 214%)
20M20.00 mi1.36 mi24462+6810190+3310190+3323877(Top 90%)10011(Top 88%)10011(Top 205%)
21M21.00 mi1.00 mi24516-5410227-3710227-3724883(Top 93%)10548(Top 92%)10548(Top 216%)
35K21.75 mi0.75 mi24615-9910292-6510292-6525840(Top 97%)11059(Top 97%)11059(Top 226%)
23M23.00 mi1.25 mi24742-12710373-8110373-8125726(Top 97%)11013(Top 96%)11013(Top 225%)
24M24.00 mi1.00 mi24721+2110372+110372+124192(Top 91%)10271(Top 90%)10271(Top 210%)
40K24.85 mi0.85 mi24673+4810353+1910353+1923367(Top 88%)9863(Top 86%)9863(Top 202%)
25.2M25.20 mi0.35 mi24666+710348+510348+523622(Top 89%)9997(Top 88%)9997(Top 205%)
Finish26.22 mi1.02 mi24682-1610358-1010358-1024307(Top 91%)10307(Top 90%)10307(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23227

Females

9463

F18-39

9463

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24425

Females

10129

F18-39

10129

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23227

Females

9463

F18-39

9463

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23915

Females

9851

F18-39

9851

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23279

Females

9509

F18-39

9509

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25559

Females

10824

F18-39

10824

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24812

Females

10463

F18-39

10463

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23877

Females

10011

F18-39

10011

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24883

Females

10548

F18-39

10548

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25840

Females

11059

F18-39

11059

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25726

Females

11013

F18-39

11013

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24192

Females

10271

F18-39

10271

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23367

Females

9863

F18-39

9863

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23622

Females

9997

F18-39

9997

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24307

Females

10307

F18-39

10307

Passing Analysis

Category:
Athletes Passed
1100
Passed By
1409
Net Change
-309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24373
5K → 10K164202-38#24373#24411
10K → 15K43421+413#24411#23998
15K → 20K117104+13#23998#23985
20K → Half574+53#23985#23932
Half → 25K12471-459#23932#24391
25K → 30K66205-139#24391#24530
30K → 20M8113+68#24530#24462
20M → 21M2377-54#24462#24516
21M → 35K5104-99#24516#24615
35K → 23M13140-127#24615#24742
23M → 24M3413+21#24742#24721
24M → 40K557+48#24721#24673
40K → 25.2M169+7#24673#24666
25.2M → Finish2339-16#24666#24682
TOTALS11001409-309
📊

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