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BOSTON MARATHON 2023

Megan Willis-Jackson

Bib: 29646•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
30:31
Rank: #22982
Start → 5K
30:31 | 9:49/mi
10K· 6.21 mi
1:00:24
Rank: #22963 (+19)
5K → 10K
29:53 | 9:37/mi
15K· 9.32 mi
1:29:51
Rank: #22694 (+269)
10K → 15K
29:27 | 9:29/mi
20K· 12.43 mi
1:59:23
Rank: #22415 (+279)
15K → 20K
29:32 | 9:30/mi
Half· 13.11 mi
2:05:44
Rank: #22377 (+38)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:28:41
Rank: #22096 (+281)
Half → 25K
22:57 | 9:28/mi
30K· 18.64 mi
2:59:04
Rank: #21762 (+334)
25K → 30K
30:23 | 9:47/mi
20M
3:13:20
Rank: #21780 (-18)
30K → 20M
14:16 | 10:30/mi
21M
3:23:20
Rank: #21594 (+186)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
3:30:51
Rank: #21586 (+8)
21M → 35K
7:31 | 10:03/mi
23M
3:43:38
Rank: #21528 (+58)
35K → 23M
12:47 | 10:13/mi
24M
3:53:52
Rank: #21523 (+5)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
4:02:59
Rank: #21524 (-1)
24M → 40K
9:07 | 10:40/mi
25.2M
4:06:35
Rank: #21487 (+37)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:15:14
Rank: #21285 (+202)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:44
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:09:30
Pace9:53 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4430:319:4930:31
9:49
-
10K
6.21 mi12:22:371:00:249:4329:53
9:37
-0:12
15K
9.32 mi12:52:041:29:519:3829:27
9:29
-0:08
20K
12.43 mi13:21:361:59:239:3629:32
9:30
+0:01
Half
13.11 mi13:27:572:05:449:356:21
9:18
-0:12
25K
15.53 mi13:50:542:28:419:3422:57
9:28
+0:10
30K
18.64 mi14:21:172:59:049:3630:23
9:47
+0:19
20M
20.00 mi14:35:333:13:209:4014:16
10:30
+0:43
21M
21.00 mi14:45:333:23:209:4110:00
10:00
-0:30
35K
21.75 mi14:53:043:30:519:427:31
10:03
+0:03
23M
23.00 mi15:05:513:43:389:4312:47
10:13
+0:10
24M
24.00 mi15:16:053:53:529:4510:14
10:14
+0:01
40K
24.85 mi15:25:124:02:599:479:07
10:40
+0:26
25.2M
25.20 mi15:28:484:06:359:473:36
10:26
-0:14
Finish
26.22 mi15:37:274:15:149:458:39
8:29
-1:57

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

8:29 /mi

Average Pace

9:45 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:56

38% of race

Time at Steady Pace

1:48:18

42% of race

Time at Slower Pace

50:00

20% of race

Average Pace: 9:44 /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 mi11:52:4430:319:4930:31
9:49
#22982
10K
6.21 mi12:22:371:00:249:4329:53
9:37
#22963
15K
9.32 mi12:52:041:29:519:3829:27
9:29
#22694
20K
12.43 mi13:21:361:59:239:3629:32
9:30
#22415
Half
13.11 mi13:27:572:05:449:356:21
9:18
#22377
25K
15.53 mi13:50:542:28:419:3422:57
9:28
#22096
30K
18.64 mi14:21:172:59:049:3630:23
9:47
#21762
20M
20.00 mi14:35:333:13:209:4014:16
10:30
#21780
21M
21.00 mi14:45:333:23:209:4110:00
10:00
#21594
35K
21.75 mi14:53:043:30:519:427:31
10:03
#21586
23M
23.00 mi15:05:513:43:389:4312:47
10:13
#21528
24M
24.00 mi15:16:053:53:529:4510:14
10:14
#21523
40K
24.85 mi15:25:124:02:599:479:07
10:40
#21524
25.2M
25.20 mi15:28:484:06:359:473:36
10:26
#21487
Finish
26.22 mi15:37:274:15:149:458:39
8:29
#21285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi229829379937922200(Top 83%)8907(Top 78%)8907(Top 182%)
10K6.21 mi3.10 mi22963+199341+389341+3822851(Top 86%)9256(Top 81%)9256(Top 190%)
15K9.32 mi3.11 mi22694+2699185+1569185+15622200(Top 83%)8907(Top 78%)8907(Top 182%)
20K12.43 mi3.11 mi22415+2799037+1489037+14821582(Top 81%)8567(Top 75%)8567(Top 175%)
Half13.11 mi0.68 mi22377+389016+219016+2121566(Top 81%)8552(Top 75%)8552(Top 175%)
25K15.53 mi2.42 mi22096+2818879+1378879+13720740(Top 78%)8129(Top 71%)8129(Top 166%)
30K18.64 mi3.11 mi21762+3348697+1828697+18220397(Top 77%)7998(Top 70%)7998(Top 164%)
20M20.00 mi1.36 mi21780-188724-278724-2721728(Top 82%)8828(Top 77%)8828(Top 181%)
21M21.00 mi1.00 mi21594+1868627+978627+9718060(Top 68%)6808(Top 60%)6808(Top 139%)
35K21.75 mi0.75 mi21586+88631-48631-421419(Top 80%)8723(Top 76%)8723(Top 179%)
23M23.00 mi1.25 mi21528+588614+178614+1720619(Top 77%)8304(Top 73%)8304(Top 170%)
24M24.00 mi1.00 mi21523+58628-148628-1421418(Top 80%)8799(Top 77%)8799(Top 180%)
40K24.85 mi0.85 mi21524-18639-118639-1121632(Top 81%)8955(Top 78%)8955(Top 183%)
25.2M25.20 mi0.35 mi21487+378626+138626+1318961(Top 71%)7502(Top 66%)7502(Top 154%)
Finish26.22 mi1.02 mi21285+2028517+1098517+10915403(Top 58%)5496(Top 48%)5496(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22200

Females

8907

F18-39

8907

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22851

Females

9256

F18-39

9256

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22200

Females

8907

F18-39

8907

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21582

Females

8567

F18-39

8567

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21566

Females

8552

F18-39

8552

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20740

Females

8129

F18-39

8129

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20397

Females

7998

F18-39

7998

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21728

Females

8828

F18-39

8828

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18060

Females

6808

F18-39

6808

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21419

Females

8723

F18-39

8723

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20619

Females

8304

F18-39

8304

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21418

Females

8799

F18-39

8799

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21632

Females

8955

F18-39

8955

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18961

Females

7502

F18-39

7502

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15403

Females

5496

F18-39

5496

Passing Analysis

Category:
Athletes Passed
2258
Passed By
561
Net Change
+1697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22982
5K → 10K239220+19#22982#22963
10K → 15K31142+269#22963#22694
15K → 20K30829+279#22694#22415
20K → Half4810+38#22415#22377
Half → 25K2909+281#22377#22096
25K → 30K35016+334#22096#21762
30K → 20M5977-18#21762#21780
20M → 21M1893+186#21780#21594
21M → 35K3729+8#21594#21586
35K → 23M9537+58#21586#21528
23M → 24M4338+5#21528#21523
24M → 40K4647-1#21523#21524
40K → 25.2M414+37#21524#21487
25.2M → Finish2020+202#21487#21285
TOTALS2258561+1697
📊

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