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BOSTON MARATHON 2023

April Smith

Bib: 20132•F

FL

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
26:07
Rank: #16947
Start → 5K
26:07 | 8:24/mi
10K· 6.21 mi
52:04
Rank: #17070 (-123)
5K → 10K
25:57 | 8:21/mi
15K· 9.32 mi
1:18:03
Rank: #17032 (+38)
10K → 15K
25:59 | 8:22/mi
20K· 12.43 mi
1:44:49
Rank: #17167 (-135)
15K → 20K
26:46 | 8:37/mi
Half· 13.11 mi
1:50:40
Rank: #17209 (-42)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:11:52
Rank: #17258 (-49)
Half → 25K
21:12 | 8:45/mi
30K· 18.64 mi
2:40:02
Rank: #17268 (-10)
25K → 30K
28:10 | 9:04/mi
20M
2:52:44
Rank: #17344 (-76)
30K → 20M
12:42 | 9:20/mi
21M
3:02:04
Rank: #17206 (+138)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
3:09:10
Rank: #17327 (-121)
21M → 35K
7:06 | 9:29/mi
23M
3:22:38
Rank: #17844 (-517)
35K → 23M
13:28 | 10:45/mi
24M
3:32:38
Rank: #18031 (-187)
23M → 24M
10:00 | 10:00/mi
40K· 24.85 mi
3:42:10
Rank: #18346 (-315)
24M → 40K
9:32 | 11:09/mi
25.2M
3:46:12
Rank: #18443 (-97)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
3:55:52
Rank: #18534 (-91)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:40
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:05:12
Pace9:33 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1826:078:2426:07
8:24
-
10K
6.21 mi11:44:1552:048:2325:57
8:21
-0:03
15K
9.32 mi12:10:141:18:038:2225:59
8:22
+0:01
20K
12.43 mi12:37:001:44:498:2626:46
8:37
+0:15
Half
13.11 mi12:42:511:50:408:265:51
8:34
-0:03
25K
15.53 mi13:04:032:11:528:2921:12
8:45
+0:11
30K
18.64 mi13:32:132:40:028:3528:10
9:04
+0:19
20M
20.00 mi13:44:552:52:448:3812:42
9:20
+0:16
21M
21.00 mi13:54:153:02:048:409:20
9:20
0:00
35K
21.75 mi14:01:213:09:108:427:06
9:29
+0:09
23M
23.00 mi14:14:493:22:388:4913:28
10:45
+1:16
24M
24.00 mi14:24:493:32:388:5210:00
10:00
-0:45
40K
24.85 mi14:34:213:42:108:569:32
11:09
+1:09
25.2M
25.20 mi14:38:233:46:128:594:02
11:42
+0:33
Finish
26.22 mi14:48:033:55:529:009:40
9:29
-2:13

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

8:21 /mi

Average Pace

9:00 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:52

56% of race

Time at Steady Pace

1:06:58

28% of race

Time at Slower Pace

37:02

16% of race

Average Pace: 9:00 /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 mi11:18:1826:078:2426:07
8:24
#16947
10K
6.21 mi11:44:1552:048:2325:57
8:21
#17070
15K
9.32 mi12:10:141:18:038:2225:59
8:22
#17032
20K
12.43 mi12:37:001:44:498:2626:46
8:37
#17167
Half
13.11 mi12:42:511:50:408:265:51
8:34
#17209
25K
15.53 mi13:04:032:11:528:2921:12
8:45
#17258
30K
18.64 mi13:32:132:40:028:3528:10
9:04
#17268
20M
20.00 mi13:44:552:52:448:3812:42
9:20
#17344
21M
21.00 mi13:54:153:02:048:409:20
9:20
#17206
35K
21.75 mi14:01:213:09:108:427:06
9:29
#17327
23M
23.00 mi14:14:493:22:388:4913:28
10:45
#17844
24M
24.00 mi14:24:493:32:388:5210:00
10:00
#18031
40K
24.85 mi14:34:213:42:108:569:32
11:09
#18346
25.2M
25.20 mi14:38:233:46:128:594:02
11:42
#18443
Finish
26.22 mi14:48:033:55:529:009:40
9:29
#18534
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169475897589716952(Top 64%)5882(Top 51%)5882(Top 313%)
10K6.21 mi3.10 mi17070-1235964-675964-6717270(Top 65%)6045(Top 53%)6045(Top 322%)
15K9.32 mi3.11 mi17032+385929+355929+3516952(Top 64%)5882(Top 51%)5882(Top 313%)
20K12.43 mi3.11 mi17167-1356026-976026-9717608(Top 66%)6296(Top 55%)6296(Top 335%)
Half13.11 mi0.68 mi17209-426052-266052-2618246(Top 69%)6641(Top 58%)6641(Top 354%)
25K15.53 mi2.42 mi17258-496092-406092-4017652(Top 66%)6375(Top 56%)6375(Top 339%)
30K18.64 mi3.11 mi17268-106119-276119-2717528(Top 66%)6377(Top 56%)6377(Top 340%)
20M20.00 mi1.36 mi17344-766184-656184-6518191(Top 68%)6852(Top 60%)6852(Top 365%)
21M21.00 mi1.00 mi17206+1386118+666118+6615217(Top 57%)5188(Top 45%)5188(Top 276%)
35K21.75 mi0.75 mi17327-1216204-866204-8619830(Top 74%)7824(Top 68%)7824(Top 417%)
23M23.00 mi1.25 mi17844-5176525-3216525-32121885(Top 82%)9009(Top 79%)9009(Top 480%)
24M24.00 mi1.00 mi18031-1876648-1236648-12320785(Top 78%)8422(Top 74%)8422(Top 448%)
40K24.85 mi0.85 mi18346-3156838-1906838-19022649(Top 85%)9474(Top 83%)9474(Top 504%)
25.2M25.20 mi0.35 mi18443-976893-556893-5521960(Top 82%)9103(Top 80%)9103(Top 485%)
Finish26.22 mi1.02 mi18534-916957-646957-6420069(Top 75%)8037(Top 70%)8037(Top 428%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

16952

Females

5882

F40-44

5882

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17270

Females

6045

F40-44

6045

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

16952

Females

5882

F40-44

5882

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17608

Females

6296

F40-44

6296

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18246

Females

6641

F40-44

6641

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17652

Females

6375

F40-44

6375

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17528

Females

6377

F40-44

6377

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18191

Females

6852

F40-44

6852

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15217

Females

5188

F40-44

5188

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19830

Females

7824

F40-44

7824

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21885

Females

9009

F40-44

9009

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20785

Females

8422

F40-44

8422

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22649

Females

9474

F40-44

9474

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21960

Females

9103

F40-44

9103

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20069

Females

8037

F40-44

8037

Passing Analysis

Category:
Athletes Passed
1223
Passed By
2810
Net Change
-1587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16947
5K → 10K255378-123#16947#17070
10K → 15K214176+38#17070#17032
15K → 20K134269-135#17032#17167
20K → Half1658-42#17167#17209
Half → 25K109158-49#17209#17258
25K → 30K169179-10#17258#17268
30K → 20M63139-76#17268#17344
20M → 21M16426+138#17344#17206
21M → 35K23144-121#17206#17327
35K → 23M15532-517#17327#17844
23M → 24M17204-187#17844#18031
24M → 40K9324-315#18031#18346
40K → 25.2M8105-97#18346#18443
25.2M → Finish27118-91#18443#18534
TOTALS12232810-1587
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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