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BOSTON MARATHON 2023

Ann Howard

Bib: 12170•F

IN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
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
24:30
Rank: #13133
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
49:12
Rank: #13728 (-595)
5K → 10K
24:42 | 7:57/mi
15K· 9.32 mi
1:13:49
Rank: #13741 (-13)
10K → 15K
24:37 | 7:55/mi
20K· 12.43 mi
1:38:57
Rank: #13808 (-67)
15K → 20K
25:08 | 8:05/mi
Half· 13.11 mi
1:44:25
Rank: #13828 (-20)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:11
Rank: #13827 (+1)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:30:08
Rank: #13714 (+113)
25K → 30K
25:57 | 8:21/mi
20M
2:41:36
Rank: #13669 (+45)
30K → 20M
11:28 | 8:26/mi
21M
2:50:14
Rank: #13500 (+169)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:56:23
Rank: #13493 (+7)
21M → 35K
6:09 | 8:13/mi
23M
3:06:54
Rank: #13404 (+89)
35K → 23M
10:31 | 8:24/mi
24M
3:15:16
Rank: #13389 (+15)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:22:32
Rank: #13362 (+27)
24M → 40K
7:16 | 8:30/mi
25.2M
3:25:36
Rank: #13323 (+39)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:33:38
Rank: #13232 (+91)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2124:307:5324:30
7:53
-
10K
6.21 mi11:17:0349:127:5524:42
7:57
+0:04
15K
9.32 mi11:41:401:13:497:5524:37
7:55
-0:02
20K
12.43 mi12:06:481:38:577:5825:08
8:05
+0:10
Half
13.11 mi12:12:161:44:257:585:28
8:01
-0:04
25K
15.53 mi12:32:022:04:118:0019:46
8:09
+0:08
30K
18.64 mi12:57:592:30:088:0325:57
8:21
+0:12
20M
20.00 mi13:09:272:41:368:0511:28
8:26
+0:05
21M
21.00 mi13:18:052:50:148:068:38
8:38
+0:12
35K
21.75 mi13:24:142:56:238:076:09
8:13
-0:25
23M
23.00 mi13:34:453:06:548:0810:31
8:24
+0:11
24M
24.00 mi13:43:073:15:168:088:22
8:22
-0:02
40K
24.85 mi13:50:233:22:328:097:16
8:30
+0:08
25.2M
25.20 mi13:53:273:25:368:103:04
8:54
+0:24
Finish
26.22 mi14:01:293:33:388:098:02
7:53
-1:01

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

7:53 /mi

Average Pace

8:09 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:34

99% of race

Time at Steady Pace

3:04

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi10:52:2124:307:5324:30
7:53
#13133
10K
6.21 mi11:17:0349:127:5524:42
7:57
#13728
15K
9.32 mi11:41:401:13:497:5524:37
7:55
#13741
20K
12.43 mi12:06:481:38:577:5825:08
8:05
#13808
Half
13.11 mi12:12:161:44:257:585:28
8:01
#13828
25K
15.53 mi12:32:022:04:118:0019:46
8:09
#13827
30K
18.64 mi12:57:592:30:088:0325:57
8:21
#13714
20M
20.00 mi13:09:272:41:368:0511:28
8:26
#13669
21M
21.00 mi13:18:052:50:148:068:38
8:38
#13500
35K
21.75 mi13:24:142:56:238:076:09
8:13
#13493
23M
23.00 mi13:34:453:06:548:0810:31
8:24
#13404
24M
24.00 mi13:43:073:15:168:088:22
8:22
#13389
40K
24.85 mi13:50:233:22:328:097:16
8:30
#13362
25.2M
25.20 mi13:53:273:25:368:103:04
8:54
#13323
Finish
26.22 mi14:01:293:33:388:098:02
7:53
#13232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131333518351813778(Top 52%)3951(Top 35%)3951(Top 81%)
10K6.21 mi3.10 mi13728-5953884-3663884-36614416(Top 54%)4311(Top 38%)4311(Top 88%)
15K9.32 mi3.11 mi13741-133908-243908-2413778(Top 52%)3951(Top 35%)3951(Top 81%)
20K12.43 mi3.11 mi13808-673964-563964-5614158(Top 53%)4194(Top 37%)4194(Top 86%)
Half13.11 mi0.68 mi13828-203980-163980-1614498(Top 54%)4367(Top 38%)4367(Top 89%)
25K15.53 mi2.42 mi13827+14008-284008-2813898(Top 52%)4154(Top 36%)4154(Top 85%)
30K18.64 mi3.11 mi13714+1133967+413967+4113365(Top 50%)3954(Top 35%)3954(Top 81%)
20M20.00 mi1.36 mi13669+453960+73960+713266(Top 50%)3998(Top 35%)3998(Top 82%)
21M21.00 mi1.00 mi13500+1693874+863874+8611298(Top 42%)3037(Top 27%)3037(Top 62%)
35K21.75 mi0.75 mi13493+73881-73881-713606(Top 51%)4341(Top 38%)4341(Top 89%)
23M23.00 mi1.25 mi13404+893856+253856+2512602(Top 47%)3853(Top 34%)3853(Top 79%)
24M24.00 mi1.00 mi13389+153865-93865-913654(Top 51%)4473(Top 39%)4473(Top 92%)
40K24.85 mi0.85 mi13362+273878-133878-1313350(Top 50%)4386(Top 38%)4386(Top 90%)
25.2M25.20 mi0.35 mi13323+393869+93869+911977(Top 45%)3715(Top 33%)3715(Top 76%)
Finish26.22 mi1.02 mi13232+913839+303839+3011325(Top 43%)3363(Top 29%)3363(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13778

Females

3951

F18-39

3951

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14416

Females

4311

F18-39

4311

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13778

Females

3951

F18-39

3951

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14158

Females

4194

F18-39

4194

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14498

Females

4367

F18-39

4367

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13898

Females

4154

F18-39

4154

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13365

Females

3954

F18-39

3954

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13266

Females

3998

F18-39

3998

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11298

Females

3037

F18-39

3037

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13606

Females

4341

F18-39

4341

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12602

Females

3853

F18-39

3853

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13654

Females

4473

F18-39

4473

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13350

Females

4386

F18-39

4386

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11977

Females

3715

F18-39

3715

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11325

Females

3363

F18-39

3363

Passing Analysis

Category:
Athletes Passed
1650
Passed By
1749
Net Change
-99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13133
5K → 10K103698-595#13133#13728
10K → 15K169182-13#13728#13741
15K → 20K147214-67#13741#13808
20K → Half2646-20#13808#13828
Half → 25K134133+1#13828#13827
25K → 30K240127+113#13827#13714
30K → 20M12378+45#13714#13669
20M → 21M18314+169#13669#13500
21M → 35K5952+7#13500#13493
35K → 23M13849+89#13493#13404
23M → 24M8065+15#13404#13389
24M → 40K7245+27#13389#13362
40K → 25.2M5314+39#13362#13323
25.2M → Finish12332+91#13323#13232
TOTALS16501749-99
📊

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