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BOSTON MARATHON 2023

Megan Ash

Bib: 19266•F

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:03
Rank: #16782
Start → 5K
8:23/mi
26:03 split
10K· 6.21 mi
51:40
Rank: #16629 (+153)
5K → 10K
8:15/mi
25:37 split
15K· 9.32 mi
1:17:31
Rank: #16637 (-8)
10K → 15K
8:19/mi
25:51 split
20K· 12.43 mi
1:44:37
Rank: #17063 (-426)
15K → 20K
8:43/mi
27:06 split
Half· 13.11 mi
1:50:34
Rank: #17165 (-102)
20K → Half
8:43/mi
5:57 split
25K· 15.53 mi
2:12:57
Rank: #17681 (-516)
Half → 25K
9:14/mi
22:23 split
30K· 18.64 mi
2:43:11
Rank: #18306 (-625)
25K → 30K
9:44/mi
30:14 split
20M
2:57:08
Rank: #18657 (-351)
30K → 20M
10:16/mi
13:57 split
21M
3:08:14
Rank: #18880 (-223)
20M → 21M
11:06/mi
11:06 split
35K· 21.75 mi
3:15:18
Rank: #18914 (-34)
21M → 35K
9:27/mi
7:04 split
23M
3:28:58
Rank: #19236 (-322)
35K → 23M
10:55/mi
13:40 split
24M
3:39:04
Rank: #19351 (-115)
23M → 24M
10:06/mi
10:06 split
40K· 24.85 mi
3:48:34
Rank: #19563 (-212)
24M → 40K
11:07/mi
9:30 split
25.2M
3:52:42
Rank: #19647 (-84)
40K → 25.2M
11:59/mi
4:08 split
Finish· 26.22 mi
4:03:15
Rank: #19794 (-147)
25.2M → Finish
10:21/mi
10:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:34
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:12:41
Pace10:07 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5226:038:2326:03
8:23
-
10K
6.21 mi11:43:2951:408:1925:37
8:15
-0:08
15K
9.32 mi12:09:201:17:318:1925:51
8:19
+0:04
20K
12.43 mi12:36:261:44:378:2527:06
8:43
+0:24
Half
13.11 mi12:42:231:50:348:265:57
8:43
0:00
25K
15.53 mi13:04:462:12:578:3422:23
9:14
+0:31
30K
18.64 mi13:35:002:43:118:4530:14
9:44
+0:30
20M
20.00 mi13:48:572:57:088:5113:57
10:16
+0:32
21M
21.00 mi14:00:033:08:148:5811:06
11:06
+0:50
35K
21.75 mi14:07:073:15:188:597:04
9:27
-1:39
23M
23.00 mi14:20:473:28:589:0513:40
10:55
+1:28
24M
24.00 mi14:30:533:39:049:0810:06
10:06
-0:49
40K
24.85 mi14:40:233:48:349:129:30
11:07
+1:01
25.2M
25.20 mi14:44:313:52:429:144:08
11:59
+0:52
Finish
26.22 mi14:55:044:03:159:1710:33
10:21
-1:38

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

8:15 /mi

Average Pace

9:17 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:34

45% of race

Time at Steady Pace

1:23:44

34% of race

Time at Slower Pace

48:57

20% of race

Average Pace: 9:17 /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 mi11:17:5226:038:2326:03
8:23
#16782
10K
6.21 mi11:43:2951:408:1925:37
8:15
#16629
15K
9.32 mi12:09:201:17:318:1925:51
8:19
#16637
20K
12.43 mi12:36:261:44:378:2527:06
8:43
#17063
Half
13.11 mi12:42:231:50:348:265:57
8:43
#17165
25K
15.53 mi13:04:462:12:578:3422:23
9:14
#17681
30K
18.64 mi13:35:002:43:118:4530:14
9:44
#18306
20M
20.00 mi13:48:572:57:088:5113:57
10:16
#18657
21M
21.00 mi14:00:033:08:148:5811:06
11:06
#18880
35K
21.75 mi14:07:073:15:188:597:04
9:27
#18914
23M
23.00 mi14:20:473:28:589:0513:40
10:55
#19236
24M
24.00 mi14:30:533:39:049:0810:06
10:06
#19351
40K
24.85 mi14:40:233:48:349:129:30
11:07
#19563
25.2M
25.20 mi14:44:313:52:429:144:08
11:59
#19647
Finish
26.22 mi14:55:044:03:159:1710:33
10:21
#19794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi167825788578816681(Top 63%)5723(Top 50%)5723(Top 305%)
10K6.21 mi3.10 mi16629+1535665+1235665+12316572(Top 62%)5625(Top 49%)5625(Top 300%)
15K9.32 mi3.11 mi16637-85685-205685-2016681(Top 63%)5723(Top 50%)5723(Top 305%)
20K12.43 mi3.11 mi17063-4265969-2845969-28418275(Top 69%)6660(Top 58%)6660(Top 355%)
Half13.11 mi0.68 mi17165-1026024-556024-5519129(Top 72%)7171(Top 63%)7171(Top 382%)
25K15.53 mi2.42 mi17681-5166341-3176341-31719966(Top 75%)7669(Top 67%)7669(Top 408%)
30K18.64 mi3.11 mi18306-6256744-4036744-40320234(Top 76%)7900(Top 69%)7900(Top 421%)
20M20.00 mi1.36 mi18657-3516958-2146958-21421182(Top 80%)8505(Top 74%)8505(Top 453%)
21M21.00 mi1.00 mi18880-2237097-1397097-13921035(Top 79%)8479(Top 74%)8479(Top 451%)
35K21.75 mi0.75 mi18914-347128-317128-3119708(Top 74%)7762(Top 68%)7762(Top 413%)
23M23.00 mi1.25 mi19236-3227314-1867314-18622184(Top 83%)9153(Top 80%)9153(Top 487%)
24M24.00 mi1.00 mi19351-1157383-697383-6921068(Top 79%)8585(Top 75%)8585(Top 457%)
40K24.85 mi0.85 mi19563-2127524-1417524-14122579(Top 85%)9434(Top 83%)9434(Top 502%)
25.2M25.20 mi0.35 mi19647-847581-577581-5722480(Top 84%)9380(Top 82%)9380(Top 499%)
Finish26.22 mi1.02 mi19794-1477671-907671-9022695(Top 85%)9497(Top 83%)9497(Top 506%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16681

Females

5723

F40-44

5723

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16572

Females

5625

F40-44

5625

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16681

Females

5723

F40-44

5723

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18275

Females

6660

F40-44

6660

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19129

Females

7171

F40-44

7171

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19966

Females

7669

F40-44

7669

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20234

Females

7900

F40-44

7900

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21182

Females

8505

F40-44

8505

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21035

Females

8479

F40-44

8479

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19708

Females

7762

F40-44

7762

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22184

Females

9153

F40-44

9153

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21068

Females

8585

F40-44

8585

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22579

Females

9434

F40-44

9434

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22480

Females

9380

F40-44

9380

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22695

Females

9497

F40-44

9497

Passing Analysis

Category:
Athletes Passed
916
Passed By
3928
Net Change
-3012
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16782
5K → 10K384231+153#16782#16629
10K → 15K203211-8#16629#16637
15K → 20K74500-426#16637#17063
20K → Half3105-102#17063#17165
Half → 25K36552-516#17165#17681
25K → 30K49674-625#17681#18306
30K → 20M26377-351#18306#18657
20M → 21M31254-223#18657#18880
21M → 35K3064-34#18880#18914
35K → 23M22344-322#18914#19236
23M → 24M30145-115#19236#19351
24M → 40K11223-212#19351#19563
40K → 25.2M993-84#19563#19647
25.2M → Finish8155-147#19647#19794
TOTALS9163928-3012
📊

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