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BOSTON MARATHON 2023

Emily Person

Bib: 9546•F

SD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:16
Rank: #7317
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
43:58
Rank: #6961 (+356)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:05:56
Rank: #6946 (+15)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:28:13
Rank: #6934 (+12)
15K → 20K
22:17 | 7:10/mi
Half· 13.11 mi
1:33:04
Rank: #6934
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:50:45
Rank: #6947 (-13)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:14:02
Rank: #6938 (+9)
25K → 30K
23:17 | 7:30/mi
20M
2:24:13
Rank: #6905 (+33)
30K → 20M
10:11 | 7:30/mi
21M
2:32:25
Rank: #6919 (-14)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:38:01
Rank: #6934 (-15)
21M → 35K
5:36 | 7:29/mi
23M
2:48:40
Rank: #7240 (-306)
35K → 23M
10:39 | 8:30/mi
24M
2:56:17
Rank: #7257 (-17)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:02:53
Rank: #7257
24M → 40K
6:36 | 7:43/mi
25.2M
3:05:50
Rank: #7280 (-23)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:13:26
Rank: #7279 (+1)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:04
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:40:22
Pace7:39 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5822:167:1022:16
7:10
-
10K
6.21 mi11:09:4043:587:0521:42
6:59
-0:11
15K
9.32 mi11:31:381:05:567:0421:58
7:04
+0:05
20K
12.43 mi11:53:551:28:137:0622:17
7:10
+0:06
Half
13.11 mi11:58:461:33:047:064:51
7:07
-0:03
25K
15.53 mi12:16:271:50:457:0817:41
7:18
+0:11
30K
18.64 mi12:39:442:14:027:1123:17
7:30
+0:12
20M
20.00 mi12:49:552:24:137:1310:11
7:30
0:00
21M
21.00 mi12:58:072:32:257:158:12
8:12
+0:42
35K
21.75 mi13:03:432:38:017:165:36
7:29
-0:43
23M
23.00 mi13:14:222:48:407:2010:39
8:30
+1:01
24M
24.00 mi13:21:592:56:177:217:37
7:37
-0:53
40K
24.85 mi13:28:353:02:537:216:36
7:43
+0:06
25.2M
25.20 mi13:31:323:05:507:222:57
8:33
+0:50
Finish
26.22 mi13:39:083:13:267:237:36
7:27
-1:06

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

6:59 /mi

Average Pace

7:23 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:04

48% of race

Time at Steady Pace

1:18:34

41% of race

Time at Slower Pace

21:48

11% of race

Average Pace: 7:23 /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 mi10:47:5822:167:1022:16
7:10
#7317
10K
6.21 mi11:09:4043:587:0521:42
6:59
#6961
15K
9.32 mi11:31:381:05:567:0421:58
7:04
#6946
20K
12.43 mi11:53:551:28:137:0622:17
7:10
#6934
Half
13.11 mi11:58:461:33:047:064:51
7:07
#6934
25K
15.53 mi12:16:271:50:457:0817:41
7:18
#6947
30K
18.64 mi12:39:442:14:027:1123:17
7:30
#6938
20M
20.00 mi12:49:552:24:137:1310:11
7:30
#6905
21M
21.00 mi12:58:072:32:257:158:12
8:12
#6919
35K
21.75 mi13:03:432:38:017:165:36
7:29
#6934
23M
23.00 mi13:14:222:48:407:2010:39
8:30
#7240
24M
24.00 mi13:21:592:56:177:217:37
7:37
#7257
40K
24.85 mi13:28:353:02:537:216:36
7:43
#7257
25.2M
25.20 mi13:31:323:05:507:222:57
8:33
#7280
Finish
26.22 mi13:39:083:13:267:237:36
7:27
#7279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73177957956983(Top 26%)742(Top 6%)742(Top 15%)
10K6.21 mi3.10 mi6961+356719+76719+766730(Top 25%)683(Top 6%)683(Top 14%)
15K9.32 mi3.11 mi6946+15722-3722-36983(Top 26%)742(Top 6%)742(Top 15%)
20K12.43 mi3.11 mi6934+12725-3725-36935(Top 26%)768(Top 7%)768(Top 16%)
Half13.11 mi0.68 mi6934730-5730-57286(Top 27%)852(Top 7%)852(Top 17%)
25K15.53 mi2.42 mi6947-13742-12742-127270(Top 27%)933(Top 8%)933(Top 19%)
30K18.64 mi3.11 mi6938+9765-23765-237190(Top 27%)996(Top 9%)996(Top 20%)
20M20.00 mi1.36 mi6905+33763+2763+26764(Top 25%)943(Top 8%)943(Top 19%)
21M21.00 mi1.00 mi6919-14778-15778-158633(Top 32%)1762(Top 15%)1762(Top 36%)
35K21.75 mi0.75 mi6934-15791-13791-138468(Top 32%)1667(Top 15%)1667(Top 34%)
23M23.00 mi1.25 mi7240-306916-125916-12513271(Top 50%)4213(Top 37%)4213(Top 86%)
24M24.00 mi1.00 mi7257-17942-26942-268532(Top 32%)1884(Top 16%)1884(Top 39%)
40K24.85 mi0.85 mi7257964-22964-228115(Top 30%)1779(Top 16%)1779(Top 36%)
25.2M25.20 mi0.35 mi7280-23977-13977-139891(Top 37%)2607(Top 23%)2607(Top 53%)
Finish26.22 mi1.02 mi7279+11010-331010-338257(Top 31%)1932(Top 17%)1932(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6983

Females

742

F18-39

742

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6730

Females

683

F18-39

683

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6983

Females

742

F18-39

742

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6935

Females

768

F18-39

768

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7286

Females

852

F18-39

852

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7270

Females

933

F18-39

933

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7190

Females

996

F18-39

996

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6764

Females

943

F18-39

943

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8633

Females

1762

F18-39

1762

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8468

Females

1667

F18-39

1667

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13271

Females

4213

F18-39

4213

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8532

Females

1884

F18-39

1884

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8115

Females

1779

F18-39

1779

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9891

Females

2607

F18-39

2607

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8257

Females

1932

F18-39

1932

Passing Analysis

Category:
Athletes Passed
1271
Passed By
1233
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7317
5K → 10K43680+356#7317#6961
10K → 15K135120+15#6961#6946
15K → 20K10997+12#6946#6934
20K → Half18180#6934#6934
Half → 25K7891-13#6934#6947
25K → 30K127118+9#6947#6938
30K → 20M7239+33#6938#6905
20M → 21M5266-14#6905#6919
21M → 35K3146-15#6919#6934
35K → 23M27333-306#6934#7240
23M → 24M4764-17#7240#7257
24M → 40K50500#7257#7257
40K → 25.2M1740-23#7257#7280
25.2M → Finish7271+1#7280#7279
TOTALS12711233+38
📊

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