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BOSTON MARATHON 2023

Adrienne Kersey

Bib: 20866•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F45-49)
#0 / 1817
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #14385
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
50:03
Rank: #14781 (-396)
5K → 10K
25:02 | 8:03/mi
15K· 9.32 mi
1:14:54
Rank: #14621 (+160)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:40:03
Rank: #14492 (+129)
15K → 20K
25:09 | 8:06/mi
Half· 13.11 mi
1:45:22
Rank: #14391 (+101)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:04:45
Rank: #14105 (+286)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:30:20
Rank: #13808 (+297)
25K → 30K
25:35 | 8:14/mi
20M
2:41:36
Rank: #13668 (+140)
30K → 20M
11:16 | 8:17/mi
21M
2:50:38
Rank: #13652 (+16)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:56:32
Rank: #13545 (+107)
21M → 35K
5:54 | 7:53/mi
23M
3:06:55
Rank: #13410 (+135)
35K → 23M
10:23 | 8:18/mi
24M
3:14:55
Rank: #13283 (+127)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:21:40
Rank: #13102 (+181)
24M → 40K
6:45 | 7:54/mi
25.2M
3:24:37
Rank: #13044 (+58)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:32:23
Rank: #12899 (+145)
25.2M → Finish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:47:01
Pace8:10 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1425:018:0325:01
8:03
-
10K
6.21 mi11:51:1650:038:0325:02
8:03
0:00
15K
9.32 mi12:16:071:14:548:0224:51
8:00
-0:03
20K
12.43 mi12:41:161:40:038:0325:09
8:06
+0:06
Half
13.11 mi12:46:351:45:228:025:19
7:48
-0:18
25K
15.53 mi13:05:582:04:458:0219:23
8:00
+0:12
30K
18.64 mi13:31:332:30:208:0425:35
8:14
+0:14
20M
20.00 mi13:42:492:41:368:0511:16
8:17
+0:03
21M
21.00 mi13:51:512:50:388:089:02
9:02
+0:45
35K
21.75 mi13:57:452:56:328:075:54
7:53
-1:09
23M
23.00 mi14:08:083:06:558:0810:23
8:18
+0:25
24M
24.00 mi14:16:083:14:558:078:00
8:00
-0:18
40K
24.85 mi14:22:533:21:408:076:45
7:54
-0:06
25.2M
25.20 mi14:25:503:24:378:072:57
8:33
+0:39
Finish
26.22 mi14:33:363:32:238:067:46
7:37
-0:56

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

7:37 /mi

Average Pace

8:06 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:24

94% of race

Time at Steady Pace

2:57

1% of race

Time at Slower Pace

9:02

4% of race

Average Pace: 8:06 /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 mi11:26:1425:018:0325:01
8:03
#14385
10K
6.21 mi11:51:1650:038:0325:02
8:03
#14781
15K
9.32 mi12:16:071:14:548:0224:51
8:00
#14621
20K
12.43 mi12:41:161:40:038:0325:09
8:06
#14492
Half
13.11 mi12:46:351:45:228:025:19
7:48
#14391
25K
15.53 mi13:05:582:04:458:0219:23
8:00
#14105
30K
18.64 mi13:31:332:30:208:0425:35
8:14
#13808
20M
20.00 mi13:42:492:41:368:0511:16
8:17
#13668
21M
21.00 mi13:51:512:50:388:089:02
9:02
#13652
35K
21.75 mi13:57:452:56:328:075:54
7:53
#13545
23M
23.00 mi14:08:083:06:558:0810:23
8:18
#13410
24M
24.00 mi14:16:083:14:558:078:00
8:00
#13283
40K
24.85 mi14:22:533:21:408:076:45
7:54
#13102
25.2M
25.20 mi14:25:503:24:378:072:57
8:33
#13044
Finish
26.22 mi14:33:363:32:238:067:46
7:37
#12899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi143854258425814383(Top 54%)4314(Top 38%)4314(Top 237%)
10K6.21 mi3.10 mi14781-3964512-2544512-25415217(Top 57%)4804(Top 42%)4804(Top 264%)
15K9.32 mi3.11 mi14621+1604428+844428+8414383(Top 54%)4314(Top 38%)4314(Top 237%)
20K12.43 mi3.11 mi14492+1294365+634365+6314199(Top 53%)4221(Top 37%)4221(Top 232%)
Half13.11 mi0.68 mi14391+1014312+534312+5312741(Top 48%)3347(Top 29%)3347(Top 184%)
25K15.53 mi2.42 mi14105+2864175+1374175+13712710(Top 48%)3475(Top 30%)3475(Top 191%)
30K18.64 mi3.11 mi13808+2974020+1554020+15512578(Top 47%)3508(Top 31%)3508(Top 193%)
20M20.00 mi1.36 mi13668+1403959+613959+6112326(Top 46%)3477(Top 30%)3477(Top 191%)
21M21.00 mi1.00 mi13652+163964-53964-513613(Top 51%)4269(Top 37%)4269(Top 235%)
35K21.75 mi0.75 mi13545+1073911+533911+5311357(Top 43%)3064(Top 27%)3064(Top 169%)
23M23.00 mi1.25 mi13410+1353859+523859+5211866(Top 45%)3444(Top 30%)3444(Top 190%)
24M24.00 mi1.00 mi13283+1273807+523807+5211273(Top 42%)3235(Top 28%)3235(Top 178%)
40K24.85 mi0.85 mi13102+1813734+733734+739366(Top 35%)2348(Top 21%)2348(Top 129%)
25.2M25.20 mi0.35 mi13044+583712+223712+229985(Top 38%)2701(Top 24%)2701(Top 149%)
Finish26.22 mi1.02 mi12899+1453640+723640+729466(Top 36%)2471(Top 22%)2471(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14383

Females

4314

F45-49

4314

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15217

Females

4804

F45-49

4804

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14383

Females

4314

F45-49

4314

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14199

Females

4221

F45-49

4221

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12741

Females

3347

F45-49

3347

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12710

Females

3475

F45-49

3475

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12578

Females

3508

F45-49

3508

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12326

Females

3477

F45-49

3477

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13613

Females

4269

F45-49

4269

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11357

Females

3064

F45-49

3064

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11866

Females

3444

F45-49

3444

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11273

Females

3235

F45-49

3235

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9366

Females

2348

F45-49

2348

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9985

Females

2701

F45-49

2701

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9466

Females

2471

F45-49

2471

Passing Analysis

Category:
Athletes Passed
2554
Passed By
1068
Net Change
+1486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14385
5K → 10K147543-396#14385#14781
10K → 15K284124+160#14781#14621
15K → 20K248119+129#14621#14492
20K → Half1098+101#14492#14391
Half → 25K31327+286#14391#14105
25K → 30K35861+297#14105#13808
30K → 20M17232+140#13808#13668
20M → 21M9781+16#13668#13652
21M → 35K11912+107#13652#13545
35K → 23M16833+135#13545#13410
23M → 24M14215+127#13410#13283
24M → 40K1843+181#13283#13102
40K → 25.2M635+58#13102#13044
25.2M → Finish1505+145#13044#12899
TOTALS25541068+1486
📊

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