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BOSTON MARATHON 2023

Ann Smith

Bib: 21784•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 50%
Masters (Masters Women)
#0 / 6539
Top 39%
Division (F45-49)
#0 / 1817
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:46
Rank: #13837
Start → 5K
24:46 | 7:58/mi
10K· 6.21 mi
49:34
Rank: #14226 (-389)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:15:02
Rank: #14760 (-534)
10K → 15K
25:28 | 8:12/mi
20K· 12.43 mi
1:41:01
Rank: #15089 (-329)
15K → 20K
25:59 | 8:22/mi
Half· 13.11 mi
1:46:35
Rank: #15107 (-18)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:07:12
Rank: #15276 (-169)
Half → 25K
20:37 | 8:30/mi
30K· 18.64 mi
2:35:27
Rank: #15747 (-471)
25K → 30K
28:15 | 9:06/mi
20M
2:47:57
Rank: #15889 (-142)
30K → 20M
12:30 | 9:12/mi
21M
2:57:08
Rank: #15764 (+125)
20M → 21M
9:11 | 9:12/mi
35K· 21.75 mi
3:03:57
Rank: #15846 (-82)
21M → 35K
6:49 | 9:06/mi
23M
3:15:21
Rank: #15916 (-70)
35K → 23M
11:24 | 9:06/mi
24M
3:24:45
Rank: #16068 (-152)
23M → 24M
9:24 | 9:24/mi
40K· 24.85 mi
3:33:04
Rank: #16216 (-148)
24M → 40K
8:19 | 9:44/mi
25.2M
3:36:36
Rank: #16255 (-39)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:45:46
Rank: #16327 (-72)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:35
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0824:467:5824:46
7:58
-
10K
6.21 mi11:42:5649:347:5924:48
7:59
+0:01
15K
9.32 mi12:08:241:15:028:0325:28
8:12
+0:13
20K
12.43 mi12:34:231:41:018:0825:59
8:22
+0:10
Half
13.11 mi12:39:571:46:358:085:34
8:10
-0:12
25K
15.53 mi13:00:342:07:128:1120:37
8:30
+0:20
30K
18.64 mi13:28:492:35:278:2028:15
9:06
+0:36
20M
20.00 mi13:41:192:47:578:2412:30
9:12
+0:06
21M
21.00 mi13:50:302:57:088:269:11
9:12
0:00
35K
21.75 mi13:57:193:03:578:276:49
9:06
-0:06
23M
23.00 mi14:08:433:15:218:3011:24
9:06
0:00
24M
24.00 mi14:18:073:24:458:329:24
9:24
+0:18
40K
24.85 mi14:26:263:33:048:348:19
9:44
+0:20
25.2M
25.20 mi14:29:583:36:368:363:32
10:15
+0:31
Finish
26.22 mi14:39:083:45:468:379:10
9:00
-1:15

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

7:58 /mi

Average Pace

8:37 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:12

56% of race

Time at Steady Pace

1:26:43

38% of race

Time at Slower Pace

11:51

5% of race

Average Pace: 8:37 /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 mi11:18:0824:467:5824:46
7:58
#13837
10K
6.21 mi11:42:5649:347:5924:48
7:59
#14226
15K
9.32 mi12:08:241:15:028:0325:28
8:12
#14760
20K
12.43 mi12:34:231:41:018:0825:59
8:22
#15089
Half
13.11 mi12:39:571:46:358:085:34
8:10
#15107
25K
15.53 mi13:00:342:07:128:1120:37
8:30
#15276
30K
18.64 mi13:28:492:35:278:2028:15
9:06
#15747
20M
20.00 mi13:41:192:47:578:2412:30
9:12
#15889
21M
21.00 mi13:50:302:57:088:269:11
9:12
#15764
35K
21.75 mi13:57:193:03:578:276:49
9:06
#15846
23M
23.00 mi14:08:433:15:218:3011:24
9:06
#15916
24M
24.00 mi14:18:073:24:458:329:24
9:24
#16068
40K
24.85 mi14:26:263:33:048:348:19
9:44
#16216
25.2M
25.20 mi14:29:583:36:368:363:32
10:15
#16255
Finish
26.22 mi14:39:083:45:468:379:10
9:00
#16327
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi138373925392515859(Top 60%)5205(Top 46%)5205(Top 286%)
10K6.21 mi3.10 mi14226-3894184-2594184-25914701(Top 55%)4484(Top 39%)4484(Top 247%)
15K9.32 mi3.11 mi14760-5344514-3304514-33015859(Top 60%)5205(Top 46%)5205(Top 286%)
20K12.43 mi3.11 mi15089-3294741-2274741-22716028(Top 60%)5366(Top 47%)5366(Top 295%)
Half13.11 mi0.68 mi15107-184753-124753-1215577(Top 59%)5049(Top 44%)5049(Top 278%)
25K15.53 mi2.42 mi15276-1694885-1324885-13216232(Top 61%)5579(Top 49%)5579(Top 307%)
30K18.64 mi3.11 mi15747-4715222-3375222-33717654(Top 66%)6441(Top 56%)6441(Top 354%)
20M20.00 mi1.36 mi15889-1425337-1155337-11517511(Top 66%)6464(Top 57%)6464(Top 356%)
21M21.00 mi1.00 mi15764+1255278+595278+5914438(Top 54%)4741(Top 42%)4741(Top 261%)
35K21.75 mi0.75 mi15846-825342-645342-6418331(Top 69%)7032(Top 62%)7032(Top 387%)
23M23.00 mi1.25 mi15916-705412-705412-7016599(Top 62%)6087(Top 53%)6087(Top 335%)
24M24.00 mi1.00 mi16068-1525507-955507-9518857(Top 71%)7360(Top 64%)7360(Top 405%)
40K24.85 mi0.85 mi16216-1485603-965603-9619116(Top 72%)7543(Top 66%)7543(Top 415%)
25.2M25.20 mi0.35 mi16255-395635-325635-3218291(Top 69%)7100(Top 62%)7100(Top 391%)
Finish26.22 mi1.02 mi16327-725676-415676-4117961(Top 67%)6887(Top 60%)6887(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15859

Females

5205

F45-49

5205

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14701

Females

4484

F45-49

4484

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15859

Females

5205

F45-49

5205

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16028

Females

5366

F45-49

5366

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15577

Females

5049

F45-49

5049

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16232

Females

5579

F45-49

5579

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17654

Females

6441

F45-49

6441

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17511

Females

6464

F45-49

6464

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14438

Females

4741

F45-49

4741

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18331

Females

7032

F45-49

7032

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16599

Females

6087

F45-49

6087

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18857

Females

7360

F45-49

7360

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19116

Females

7543

F45-49

7543

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18291

Females

7100

F45-49

7100

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17961

Females

6887

F45-49

6887

Passing Analysis

Category:
Athletes Passed
893
Passed By
3383
Net Change
-2490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13837
5K → 10K137526-389#13837#14226
10K → 15K62596-534#14226#14760
15K → 20K98427-329#14760#15089
20K → Half2947-18#15089#15107
Half → 25K82251-169#15107#15276
25K → 30K66537-471#15276#15747
30K → 20M53195-142#15747#15889
20M → 21M16035+125#15889#15764
21M → 35K23105-82#15764#15846
35K → 23M65135-70#15846#15916
23M → 24M35187-152#15916#16068
24M → 40K27175-148#16068#16216
40K → 25.2M1655-39#16216#16255
25.2M → Finish40112-72#16255#16327
TOTALS8933383-2490
📊

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