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BOSTON MARATHON 2023

Joanne Ainsworth

Bib: 21401•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
Division (F50-54)
#0 / 1207
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:11
Rank: #17086
Start → 5K
8:26/mi
26:11 split
10K· 6.21 mi
52:09
Rank: #17170 (-84)
5K → 10K
8:21/mi
25:58 split
15K· 9.32 mi
1:18:01
Rank: #16992 (+178)
10K → 15K
8:20/mi
25:52 split
20K· 12.43 mi
1:43:58
Rank: #16736 (+256)
15K → 20K
8:21/mi
25:57 split
Half· 13.11 mi
1:49:40
Rank: #16738 (-2)
20K → Half
8:21/mi
5:42 split
25K· 15.53 mi
2:09:50
Rank: #16465 (+273)
Half → 25K
8:19/mi
20:10 split
30K· 18.64 mi
2:36:48
Rank: #16226 (+239)
25K → 30K
8:41/mi
26:58 split
20M
2:49:14
Rank: #16297 (-71)
30K → 20M
9:09/mi
12:26 split
21M
2:59:59
Rank: #16622 (-325)
20M → 21M
10:45/mi
10:45 split
35K· 21.75 mi
3:06:46
Rank: #16696 (-74)
21M → 35K
9:04/mi
6:47 split
23M
3:18:47
Rank: #16834 (-138)
35K → 23M
9:36/mi
12:01 split
24M
3:27:42
Rank: #16845 (-11)
23M → 24M
8:55/mi
8:55 split
40K· 24.85 mi
3:35:43
Rank: #16874 (-29)
24M → 40K
9:23/mi
8:01 split
25.2M
3:39:23
Rank: #16944 (-70)
40K → 25.2M
10:38/mi
3:40 split
Finish· 26.22 mi
3:49:09
Rank: #17140 (-196)
25.2M → Finish
9:35/mi
9:46 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:59:29
Pace9:07 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2726:118:2626:11
8:26
-
10K
6.21 mi11:45:2552:098:2425:58
8:21
-0:05
15K
9.32 mi12:11:171:18:018:2225:52
8:20
-0:01
20K
12.43 mi12:37:141:43:588:2225:57
8:21
+0:01
Half
13.11 mi12:42:561:49:408:225:42
8:21
0:00
25K
15.53 mi13:03:062:09:508:2120:10
8:19
-0:02
30K
18.64 mi13:30:042:36:488:2526:58
8:41
+0:22
20M
20.00 mi13:42:302:49:148:2812:26
9:09
+0:28
21M
21.00 mi13:53:152:59:598:3410:45
10:45
+1:36
35K
21.75 mi14:00:023:06:468:356:47
9:04
-1:41
23M
23.00 mi14:12:033:18:478:3912:01
9:36
+0:32
24M
24.00 mi14:20:583:27:428:398:55
8:55
-0:41
40K
24.85 mi14:28:593:35:438:418:01
9:23
+0:28
25.2M
25.20 mi14:32:393:39:238:423:40
10:38
+1:15
Finish
26.22 mi14:42:253:49:098:459:46
9:35
-1:03

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

8:19 /mi

Average Pace

8:45 /mi

Slowest Pace

10:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:50

57% of race

Time at Steady Pace

55:06

24% of race

Time at Slower Pace

44:13

19% of race

Average Pace: 8:44 /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 mi11:19:2726:118:2626:11
8:26
#17086
10K
6.21 mi11:45:2552:098:2425:58
8:21
#17170
15K
9.32 mi12:11:171:18:018:2225:52
8:20
#16992
20K
12.43 mi12:37:141:43:588:2225:57
8:21
#16736
Half
13.11 mi12:42:561:49:408:225:42
8:21
#16738
25K
15.53 mi13:03:062:09:508:2120:10
8:19
#16465
30K
18.64 mi13:30:042:36:488:2526:58
8:41
#16226
20M
20.00 mi13:42:302:49:148:2812:26
9:09
#16297
21M
21.00 mi13:53:152:59:598:3410:45
10:45
#16622
35K
21.75 mi14:00:023:06:468:356:47
9:04
#16696
23M
23.00 mi14:12:033:18:478:3912:01
9:36
#16834
24M
24.00 mi14:20:583:27:428:398:55
8:55
#16845
40K
24.85 mi14:28:593:35:438:418:01
9:23
#16874
25.2M
25.20 mi14:32:393:39:238:423:40
10:38
#16944
Finish
26.22 mi14:42:253:49:098:459:46
9:35
#17140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170865989598916711(Top 63%)5739(Top 50%)5739(Top 475%)
10K6.21 mi3.10 mi17170-846034-456034-4517302(Top 65%)6062(Top 53%)6062(Top 502%)
15K9.32 mi3.11 mi16992+1785903+1315903+13116711(Top 63%)5739(Top 50%)5739(Top 475%)
20K12.43 mi3.11 mi16736+2565761+1425761+14215961(Top 60%)5327(Top 47%)5327(Top 441%)
Half13.11 mi0.68 mi16738-25770-95770-916915(Top 64%)5861(Top 51%)5861(Top 486%)
25K15.53 mi2.42 mi16465+2735618+1525618+15215086(Top 57%)4902(Top 43%)4902(Top 406%)
30K18.64 mi3.11 mi16226+2395518+1005518+10015416(Top 58%)5182(Top 45%)5182(Top 429%)
20M20.00 mi1.36 mi16297-715583-655583-6517318(Top 65%)6345(Top 56%)6345(Top 526%)
21M21.00 mi1.00 mi16622-3255773-1905773-19020259(Top 76%)8066(Top 71%)8066(Top 668%)
35K21.75 mi0.75 mi16696-745819-465819-4618181(Top 68%)6933(Top 61%)6933(Top 574%)
23M23.00 mi1.25 mi16834-1385920-1015920-10118730(Top 70%)7253(Top 63%)7253(Top 601%)
24M24.00 mi1.00 mi16845-115954-345954-3416869(Top 63%)6284(Top 55%)6284(Top 521%)
40K24.85 mi0.85 mi16874-295987-335987-3317860(Top 67%)6868(Top 60%)6868(Top 569%)
25.2M25.20 mi0.35 mi16944-706043-566043-5619520(Top 73%)7785(Top 68%)7785(Top 645%)
Finish26.22 mi1.02 mi17140-1966151-1086151-10820423(Top 77%)8252(Top 72%)8252(Top 684%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16711

Females

5739

F50-54

5739

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17302

Females

6062

F50-54

6062

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16711

Females

5739

F50-54

5739

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15961

Females

5327

F50-54

5327

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16915

Females

5861

F50-54

5861

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15086

Females

4902

F50-54

4902

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15416

Females

5182

F50-54

5182

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17318

Females

6345

F50-54

6345

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20259

Females

8066

F50-54

8066

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18181

Females

6933

F50-54

6933

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18730

Females

7253

F50-54

7253

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16869

Females

6284

F50-54

6284

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17860

Females

6868

F50-54

6868

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19520

Females

7785

F50-54

7785

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20423

Females

8252

F50-54

8252

Passing Analysis

Category:
Athletes Passed
1816
Passed By
1870
Net Change
-54
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17086
5K → 10K276360-84#17086#17170
10K → 15K303125+178#17170#16992
15K → 20K31559+256#16992#16736
20K → Half2830-2#16736#16738
Half → 25K29219+273#16738#16465
25K → 30K31576+239#16465#16226
30K → 20M53124-71#16226#16297
20M → 21M22347-325#16297#16622
21M → 35K27101-74#16622#16696
35K → 23M44182-138#16696#16834
23M → 24M5970-11#16834#16845
24M → 40K5079-29#16845#16874
40K → 25.2M1282-70#16874#16944
25.2M → Finish20216-196#16944#17140
TOTALS18161870-54
📊

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