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BOSTON MARATHON 2023

Amanda Jackson

Bib: 13025•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
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
24:18
Rank: #12577
Start → 5K
7:49/mi
24:18 split
10K· 6.21 mi
48:39
Rank: #12979 (-402)
5K → 10K
7:50/mi
24:21 split
15K· 9.32 mi
1:13:24
Rank: #13377 (-398)
10K → 15K
7:58/mi
24:45 split
20K· 12.43 mi
1:38:57
Rank: #13807 (-430)
15K → 20K
8:13/mi
25:33 split
Half· 13.11 mi
1:44:29
Rank: #13865 (-58)
20K → Half
8:07/mi
5:32 split
25K· 15.53 mi
2:04:25
Rank: #13937 (-72)
Half → 25K
8:13/mi
19:56 split
30K· 18.64 mi
2:30:44
Rank: #13987 (-50)
25K → 30K
8:28/mi
26:19 split
20M
2:42:08
Rank: #13885 (+102)
30K → 20M
8:23/mi
11:24 split
21M
2:50:55
Rank: #13756 (+129)
20M → 21M
8:47/mi
8:47 split
35K· 21.75 mi
2:56:49
Rank: #13649 (+107)
21M → 35K
7:53/mi
5:54 split
23M
3:07:13
Rank: #13521 (+128)
35K → 23M
8:18/mi
10:24 split
24M
3:15:20
Rank: #13411 (+110)
23M → 24M
8:07/mi
8:07 split
40K· 24.85 mi
3:22:20
Rank: #13304 (+107)
24M → 40K
8:11/mi
7:00 split
25.2M
3:25:17
Rank: #13226 (+78)
40K → 25.2M
8:33/mi
2:57 split
Finish· 26.22 mi
3:33:02
Rank: #13059 (+167)
25.2M → Finish
7:36/mi
7:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0224:187:4924:18
7:49
-
10K
6.21 mi11:17:2348:397:5024:21
7:50
+0:01
15K
9.32 mi11:42:081:13:247:5324:45
7:58
+0:08
20K
12.43 mi12:07:411:38:577:5825:33
8:13
+0:15
Half
13.11 mi12:13:131:44:297:585:32
8:07
-0:06
25K
15.53 mi12:33:092:04:258:0119:56
8:13
+0:06
30K
18.64 mi12:59:282:30:448:0526:19
8:28
+0:15
20M
20.00 mi13:10:522:42:088:0611:24
8:23
-0:05
21M
21.00 mi13:19:392:50:558:088:47
8:47
+0:24
35K
21.75 mi13:25:332:56:498:085:54
7:53
-0:54
23M
23.00 mi13:35:573:07:138:0810:24
8:18
+0:25
24M
24.00 mi13:44:043:15:208:088:07
8:07
-0:11
40K
24.85 mi13:51:043:22:208:087:00
8:11
+0:04
25.2M
25.20 mi13:54:013:25:178:092:57
8:33
+0:22
Finish
26.22 mi14:01:463:33:028:087:45
7:36
-0:57

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

7:36 /mi

Average Pace

8:08 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:35

77% of race

Time at Steady Pace

49:27

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi10:53:0224:187:4924:18
7:49
#12577
10K
6.21 mi11:17:2348:397:5024:21
7:50
#12979
15K
9.32 mi11:42:081:13:247:5324:45
7:58
#13377
20K
12.43 mi12:07:411:38:577:5825:33
8:13
#13807
Half
13.11 mi12:13:131:44:297:585:32
8:07
#13865
25K
15.53 mi12:33:092:04:258:0119:56
8:13
#13937
30K
18.64 mi12:59:282:30:448:0526:19
8:28
#13987
20M
20.00 mi13:10:522:42:088:0611:24
8:23
#13885
21M
21.00 mi13:19:392:50:558:088:47
8:47
#13756
35K
21.75 mi13:25:332:56:498:085:54
7:53
#13649
23M
23.00 mi13:35:573:07:138:0810:24
8:18
#13521
24M
24.00 mi13:44:043:15:208:088:07
8:07
#13411
40K
24.85 mi13:51:043:22:208:087:00
8:11
#13304
25.2M
25.20 mi13:54:013:25:178:092:57
8:33
#13226
Finish
26.22 mi14:01:463:33:028:087:45
7:36
#13059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125773206320614111(Top 53%)4147(Top 36%)4147(Top 85%)
10K6.21 mi3.10 mi12979-4023437-2313437-23113462(Top 51%)3695(Top 32%)3695(Top 76%)
15K9.32 mi3.11 mi13377-3983680-2433680-24314111(Top 53%)4147(Top 36%)4147(Top 85%)
20K12.43 mi3.11 mi13807-4303963-2833963-28315119(Top 57%)4782(Top 42%)4782(Top 98%)
Half13.11 mi0.68 mi13865-584004-414004-4115208(Top 57%)4793(Top 42%)4793(Top 98%)
25K15.53 mi2.42 mi13937-724075-714075-7114391(Top 54%)4443(Top 39%)4443(Top 91%)
30K18.64 mi3.11 mi13987-504134-594134-5914120(Top 53%)4403(Top 39%)4403(Top 90%)
20M20.00 mi1.36 mi13885+1024091+434091+4312971(Top 49%)3840(Top 34%)3840(Top 79%)
21M21.00 mi1.00 mi13756+1294030+614030+6112185(Top 46%)3506(Top 31%)3506(Top 72%)
35K21.75 mi0.75 mi13649+1073975+553975+5511360(Top 43%)3067(Top 27%)3067(Top 63%)
23M23.00 mi1.25 mi13521+1283926+493926+4911957(Top 45%)3495(Top 31%)3495(Top 72%)
24M24.00 mi1.00 mi13411+1103879+473879+4712072(Top 45%)3629(Top 32%)3629(Top 74%)
40K24.85 mi0.85 mi13304+1073844+353844+3511305(Top 42%)3314(Top 29%)3314(Top 68%)
25.2M25.20 mi0.35 mi13226+783812+323812+329990(Top 38%)2706(Top 24%)2706(Top 55%)
Finish26.22 mi1.02 mi13059+1673733+793733+799349(Top 35%)2407(Top 21%)2407(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14111

Females

4147

F18-39

4147

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13462

Females

3695

F18-39

3695

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14111

Females

4147

F18-39

4147

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15119

Females

4782

F18-39

4782

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15208

Females

4793

F18-39

4793

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14391

Females

4443

F18-39

4443

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14120

Females

4403

F18-39

4403

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12971

Females

3840

F18-39

3840

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12185

Females

3506

F18-39

3506

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11360

Females

3067

F18-39

3067

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11957

Females

3495

F18-39

3495

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12072

Females

3629

F18-39

3629

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11305

Females

3314

F18-39

3314

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9990

Females

2706

F18-39

2706

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9349

Females

2407

F18-39

2407

Passing Analysis

Category:
Athletes Passed
1695
Passed By
2177
Net Change
-482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12577
5K → 10K151553-402#12577#12979
10K → 15K92490-398#12979#13377
15K → 20K74504-430#13377#13807
20K → Half2179-58#13807#13865
Half → 25K104176-72#13865#13937
25K → 30K169219-50#13937#13987
30K → 20M14543+102#13987#13885
20M → 21M16031+129#13885#13756
21M → 35K1136+107#13756#13649
35K → 23M15830+128#13649#13521
23M → 24M13121+110#13521#13411
24M → 40K12215+107#13411#13304
40K → 25.2M835+78#13304#13226
25.2M → Finish1725+167#13226#13059
TOTALS16952177-482
📊

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