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BOSTON MARATHON 2023

Ailsa Paterson

Bib: 13143•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:12
Rank: #9363
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
45:09
Rank: #8224 (+1139)
5K → 10K
21:57 | 7:04/mi
15K· 9.32 mi
1:07:11
Rank: #7806 (+418)
10K → 15K
22:02 | 7:06/mi
20K· 12.43 mi
1:29:47
Rank: #7740 (+66)
15K → 20K
22:36 | 7:16/mi
Half· 13.11 mi
1:34:43
Rank: #7732 (+8)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:03
Rank: #7914 (-182)
Half → 25K
18:20 | 7:34/mi
30K· 18.64 mi
2:16:48
Rank: #7928 (-14)
25K → 30K
23:45 | 7:39/mi
20M
2:27:14
Rank: #7885 (+43)
30K → 20M
10:26 | 7:41/mi
21M
2:35:15
Rank: #7814 (+71)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:40:50
Rank: #7816 (-2)
21M → 35K
5:35 | 7:28/mi
23M
2:50:19
Rank: #7722 (+94)
35K → 23M
9:29 | 7:34/mi
24M
2:57:44
Rank: #7672 (+50)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
3:04:51
Rank: #7837 (-165)
24M → 40K
7:07 | 8:19/mi
25.2M
3:07:59
Rank: #7907 (-70)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:15:34
Rank: #7890 (+17)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:43
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2023:127:2823:12
7:28
-
10K
6.21 mi11:13:1745:097:1621:57
7:04
-0:24
15K
9.32 mi11:35:191:07:117:1222:02
7:06
+0:02
20K
12.43 mi11:57:551:29:477:1322:36
7:16
+0:10
Half
13.11 mi12:02:511:34:437:134:56
7:14
-0:02
25K
15.53 mi12:21:111:53:037:1718:20
7:34
+0:20
30K
18.64 mi12:44:562:16:487:2023:45
7:39
+0:05
20M
20.00 mi12:55:222:27:147:2210:26
7:41
+0:02
21M
21.00 mi13:03:232:35:157:248:01
8:01
+0:20
35K
21.75 mi13:08:582:40:507:245:35
7:28
-0:33
23M
23.00 mi13:18:272:50:197:249:29
7:34
+0:06
24M
24.00 mi13:25:522:57:447:247:25
7:25
-0:09
40K
24.85 mi13:32:593:04:517:267:07
8:19
+0:54
25.2M
25.20 mi13:36:073:07:597:283:08
9:05
+0:46
Finish
26.22 mi13:43:423:15:347:287:35
7:26
-1:39

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

7:04 /mi

Average Pace

7:28 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:59

22% of race

Time at Steady Pace

2:13:19

68% of race

Time at Slower Pace

18:16

9% of race

Average Pace: 7:28 /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 mi10:51:2023:127:2823:12
7:28
#9363
10K
6.21 mi11:13:1745:097:1621:57
7:04
#8224
15K
9.32 mi11:35:191:07:117:1222:02
7:06
#7806
20K
12.43 mi11:57:551:29:477:1322:36
7:16
#7740
Half
13.11 mi12:02:511:34:437:134:56
7:14
#7732
25K
15.53 mi12:21:111:53:037:1718:20
7:34
#7914
30K
18.64 mi12:44:562:16:487:2023:45
7:39
#7928
20M
20.00 mi12:55:222:27:147:2210:26
7:41
#7885
21M
21.00 mi13:03:232:35:157:248:01
8:01
#7814
35K
21.75 mi13:08:582:40:507:245:35
7:28
#7816
23M
23.00 mi13:18:272:50:197:249:29
7:34
#7722
24M
24.00 mi13:25:522:57:447:247:25
7:25
#7672
40K
24.85 mi13:32:593:04:517:267:07
8:19
#7837
25.2M
25.20 mi13:36:073:07:597:283:08
9:05
#7907
Finish
26.22 mi13:43:423:15:347:287:35
7:26
#7890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9363155815587127(Top 27%)782(Top 7%)782(Top 16%)
10K6.21 mi3.10 mi8224+11391115+4431115+4437225(Top 27%)824(Top 7%)824(Top 17%)
15K9.32 mi3.11 mi7806+418967+148967+1487127(Top 27%)782(Top 7%)782(Top 16%)
20K12.43 mi3.11 mi7740+66962+5962+57613(Top 29%)969(Top 8%)969(Top 20%)
Half13.11 mi0.68 mi7732+8960+2960+28148(Top 31%)1154(Top 10%)1154(Top 24%)
25K15.53 mi2.42 mi7914-1821046-861046-869252(Top 35%)1652(Top 14%)1652(Top 34%)
30K18.64 mi3.11 mi7928-141089-431089-438268(Top 31%)1411(Top 12%)1411(Top 29%)
20M20.00 mi1.36 mi7885+431093-41093-48037(Top 30%)1412(Top 12%)1412(Top 29%)
21M21.00 mi1.00 mi7814+711078+151078+157468(Top 28%)1299(Top 11%)1299(Top 27%)
35K21.75 mi0.75 mi7816-21088-101088-108297(Top 31%)1599(Top 14%)1599(Top 33%)
23M23.00 mi1.25 mi7722+941078+101078+106938(Top 26%)1150(Top 10%)1150(Top 24%)
24M24.00 mi1.00 mi7672+50107810787186(Top 27%)1356(Top 12%)1356(Top 28%)
40K24.85 mi0.85 mi7837-1651164-861164-8612220(Top 46%)3777(Top 33%)3777(Top 77%)
25.2M25.20 mi0.35 mi7907-701193-291193-2913011(Top 49%)4209(Top 37%)4209(Top 86%)
Finish26.22 mi1.02 mi7890+171213-201213-208106(Top 30%)1870(Top 16%)1870(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7127

Females

782

F18-39

782

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7225

Females

824

F18-39

824

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7127

Females

782

F18-39

782

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7613

Females

969

F18-39

969

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8148

Females

1154

F18-39

1154

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9252

Females

1652

F18-39

1652

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8268

Females

1411

F18-39

1411

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8037

Females

1412

F18-39

1412

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7468

Females

1299

F18-39

1299

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8297

Females

1599

F18-39

1599

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6938

Females

1150

F18-39

1150

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7186

Females

1356

F18-39

1356

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12220

Females

3777

F18-39

3777

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13011

Females

4209

F18-39

4209

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8106

Females

1870

F18-39

1870

Passing Analysis

Category:
Athletes Passed
2487
Passed By
1014
Net Change
+1473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9363
5K → 10K115819+1139#9363#8224
10K → 15K43416+418#8224#7806
15K → 20K14377+66#7806#7740
20K → Half3123+8#7740#7732
Half → 25K50232-182#7732#7914
25K → 30K122136-14#7914#7928
30K → 20M9653+43#7928#7885
20M → 21M10736+71#7885#7814
21M → 35K3739-2#7814#7816
35K → 23M12531+94#7816#7722
23M → 24M8939+50#7722#7672
24M → 40K23188-165#7672#7837
40K → 25.2M878-70#7837#7907
25.2M → Finish6447+17#7907#7890
TOTALS24871014+1473
📊

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