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BOSTON MARATHON 2023

Emma Sullivan

Bib: 24877•F

VT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
32:49
Rank: #24862
Start → 5K
32:49 | 10:34/mi
10K· 6.21 mi
1:08:03
Rank: #25520 (-658)
5K → 10K
35:14 | 11:20/mi
15K· 9.32 mi
1:40:58
Rank: #25187 (+333)
10K → 15K
32:55 | 10:36/mi
20K· 12.43 mi
2:14:18
Rank: #24932 (+255)
15K → 20K
33:20 | 10:44/mi
Half· 13.11 mi
2:21:30
Rank: #24901 (+31)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:48:15
Rank: #24748 (+153)
Half → 25K
26:45 | 11:02/mi
30K· 18.64 mi
3:23:04
Rank: #24513 (+235)
25K → 30K
34:49 | 11:12/mi
20M
3:39:19
Rank: #24483 (+30)
30K → 20M
16:15 | 11:57/mi
21M
3:50:45
Rank: #24334 (+149)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:58:53
Rank: #24289 (+45)
21M → 35K
8:08 | 10:52/mi
23M
4:13:08
Rank: #24233 (+56)
35K → 23M
14:15 | 11:23/mi
24M
4:24:23
Rank: #24219 (+14)
23M → 24M
11:15 | 11:15/mi
40K· 24.85 mi
4:34:05
Rank: #24155 (+64)
24M → 40K
9:42 | 11:21/mi
25.2M
4:38:18
Rank: #24143 (+12)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:49:15
Rank: #24126 (+17)
25.2M → Finish
10:57 | 10:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:30
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time2:27:45
Pace11:16 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1132:4910:3432:49
10:34
-
10K
6.21 mi12:29:251:08:0310:5735:14
11:20
+0:46
15K
9.32 mi13:02:201:40:5810:5032:55
10:36
-0:44
20K
12.43 mi13:35:402:14:1810:4833:20
10:44
+0:08
Half
13.11 mi13:42:522:21:3010:487:12
10:33
-0:11
25K
15.53 mi14:09:372:48:1510:5026:45
11:02
+0:29
30K
18.64 mi14:44:263:23:0410:5434:49
11:12
+0:10
20M
20.00 mi15:00:413:39:1910:5816:15
11:57
+0:45
21M
21.00 mi15:12:073:50:4510:5911:26
11:26
-0:31
35K
21.75 mi15:20:153:58:5310:598:08
10:52
-0:34
23M
23.00 mi15:34:304:13:0811:0014:15
11:23
+0:31
24M
24.00 mi15:45:454:24:2311:0111:15
11:15
-0:08
40K
24.85 mi15:55:274:34:0511:029:42
11:21
+0:06
25.2M
25.20 mi15:59:404:38:1811:034:13
12:14
+0:53
Finish
26.22 mi16:10:374:49:1511:0210:57
10:45
-1:29

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

10:33 /mi

Average Pace

11:02 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:28:47

93% of race

Time at Steady Pace

20:28

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:02 /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 mi11:54:1132:4910:3432:49
10:34
#24862
10K
6.21 mi12:29:251:08:0310:5735:14
11:20
#25520
15K
9.32 mi13:02:201:40:5810:5032:55
10:36
#25187
20K
12.43 mi13:35:402:14:1810:4833:20
10:44
#24932
Half
13.11 mi13:42:522:21:3010:487:12
10:33
#24901
25K
15.53 mi14:09:372:48:1510:5026:45
11:02
#24748
30K
18.64 mi14:44:263:23:0410:5434:49
11:12
#24513
20M
20.00 mi15:00:413:39:1910:5816:15
11:57
#24483
21M
21.00 mi15:12:073:50:4510:5911:26
11:26
#24334
35K
21.75 mi15:20:153:58:5310:598:08
10:52
#24289
23M
23.00 mi15:34:304:13:0811:0014:15
11:23
#24233
24M
24.00 mi15:45:454:24:2311:0111:15
11:15
#24219
40K
24.85 mi15:55:274:34:0511:029:42
11:21
#24155
25.2M
25.20 mi15:59:404:38:1811:034:13
12:14
#24143
Finish
26.22 mi16:10:374:49:1511:0210:57
10:45
#24126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24862103641036424625(Top 92%)10245(Top 90%)10245(Top 210%)
10K6.21 mi3.10 mi25520-65810751-38710751-38725834(Top 97%)10935(Top 96%)10935(Top 224%)
15K9.32 mi3.11 mi25187+33310545+20610545+20624625(Top 92%)10245(Top 90%)10245(Top 210%)
20K12.43 mi3.11 mi24932+25510417+12810417+12824220(Top 91%)10044(Top 88%)10044(Top 206%)
Half13.11 mi0.68 mi24901+3110403+1410403+1424311(Top 91%)10104(Top 88%)10104(Top 207%)
25K15.53 mi2.42 mi24748+15310328+7510328+7524032(Top 90%)9969(Top 87%)9969(Top 204%)
30K18.64 mi3.11 mi24513+23510211+11710211+11723428(Top 88%)9698(Top 85%)9698(Top 199%)
20M20.00 mi1.36 mi24483+3010203+810203+824156(Top 91%)10160(Top 89%)10160(Top 208%)
21M21.00 mi1.00 mi24334+14910128+7510128+7521780(Top 82%)8879(Top 78%)8879(Top 182%)
35K21.75 mi0.75 mi24289+4510117+1110117+1123088(Top 87%)9642(Top 84%)9642(Top 197%)
23M23.00 mi1.25 mi24233+5610091+2610091+2623043(Top 87%)9615(Top 84%)9615(Top 197%)
24M24.00 mi1.00 mi24219+1410089+210089+223516(Top 88%)9905(Top 87%)9905(Top 203%)
40K24.85 mi0.85 mi24155+6410063+2610063+2622973(Top 86%)9649(Top 84%)9649(Top 198%)
25.2M25.20 mi0.35 mi24143+1210060+310060+322898(Top 86%)9611(Top 84%)9611(Top 197%)
Finish26.22 mi1.02 mi24126+1710058+210058+223509(Top 88%)9913(Top 87%)9913(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24625

Females

10245

F18-39

10245

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25834

Females

10935

F18-39

10935

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24625

Females

10245

F18-39

10245

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24220

Females

10044

F18-39

10044

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24311

Females

10104

F18-39

10104

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

24032

Females

9969

F18-39

9969

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23428

Females

9698

F18-39

9698

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24156

Females

10160

F18-39

10160

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21780

Females

8879

F18-39

8879

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23088

Females

9642

F18-39

9642

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23043

Females

9615

F18-39

9615

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23516

Females

9905

F18-39

9905

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22973

Females

9649

F18-39

9649

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22898

Females

9611

F18-39

9611

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23509

Females

9913

F18-39

9913

Passing Analysis

Category:
Athletes Passed
1559
Passed By
823
Net Change
+736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24862
5K → 10K20678-658#24862#25520
10K → 15K3385+333#25520#25187
15K → 20K27217+255#25187#24932
20K → Half321+31#24932#24901
Half → 25K16714+153#24901#24748
25K → 30K24611+235#24748#24513
30K → 20M5424+30#24513#24483
20M → 21M1545+149#24483#24334
21M → 35K516+45#24334#24289
35K → 23M7115+56#24289#24233
23M → 24M3016+14#24233#24219
24M → 40K695+64#24219#24155
40K → 25.2M197+12#24155#24143
25.2M → Finish3619+17#24143#24126
TOTALS1559823+736
📊

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