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BOSTON MARATHON 2023

Emily Cummings

Bib: 29172•F

MA

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
28:29
Rank: #21121
Start → 5K
28:29 | 9:10/mi
10K· 6.21 mi
55:41
Rank: #20478 (+643)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:23:16
Rank: #20276 (+202)
10K → 15K
27:35 | 8:53/mi
20K· 12.43 mi
1:52:11
Rank: #20479 (-203)
15K → 20K
28:55 | 9:18/mi
Half· 13.11 mi
1:58:21
Rank: #20481 (-2)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:21:17
Rank: #20538 (-57)
Half → 25K
22:56 | 9:28/mi
30K· 18.64 mi
2:51:58
Rank: #20545 (-7)
25K → 30K
30:41 | 9:53/mi
20M
3:05:33
Rank: #20539 (+6)
30K → 20M
13:35 | 10:00/mi
21M
3:16:16
Rank: #20493 (+46)
20M → 21M
10:43 | 10:43/mi
35K· 21.75 mi
3:23:23
Rank: #20462 (+31)
21M → 35K
7:07 | 9:31/mi
23M
3:35:51
Rank: #20414 (+48)
35K → 23M
12:28 | 9:57/mi
24M
3:45:35
Rank: #20391 (+23)
23M → 24M
9:44 | 9:44/mi
40K· 24.85 mi
3:53:56
Rank: #20338 (+53)
24M → 40K
8:21 | 9:46/mi
25.2M
3:57:30
Rank: #20310 (+28)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:06:58
Rank: #20263 (+47)
25.2M → Finish
9:28 | 9:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:21
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:08:37
Pace9:49 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4728:299:1028:29
9:10
-
10K
6.21 mi12:16:5955:418:5827:12
8:45
-0:25
15K
9.32 mi12:44:341:23:168:5627:35
8:53
+0:08
20K
12.43 mi13:13:291:52:119:0228:55
9:18
+0:25
Half
13.11 mi13:19:391:58:219:026:10
9:02
-0:16
25K
15.53 mi13:42:352:21:179:0622:56
9:28
+0:26
30K
18.64 mi14:13:162:51:589:1430:41
9:53
+0:25
20M
20.00 mi14:26:513:05:339:1713:35
10:00
+0:07
21M
21.00 mi14:37:343:16:169:2110:43
10:43
+0:43
35K
21.75 mi14:44:413:23:239:217:07
9:31
-1:12
23M
23.00 mi14:57:093:35:519:2312:28
9:57
+0:26
24M
24.00 mi15:06:533:45:359:249:44
9:44
-0:13
40K
24.85 mi15:15:143:53:569:258:21
9:46
+0:02
25.2M
25.20 mi15:18:483:57:309:253:34
10:21
+0:35
Finish
26.22 mi15:28:164:06:589:269:28
9:17
-1:04

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

8:45 /mi

Average Pace

9:26 /mi

Slowest Pace

10:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:26

36% of race

Time at Steady Pace

1:26:31

35% of race

Time at Slower Pace

1:11:01

29% of race

Average Pace: 9:25 /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 mi11:49:4728:299:1028:29
9:10
#21121
10K
6.21 mi12:16:5955:418:5827:12
8:45
#20478
15K
9.32 mi12:44:341:23:168:5627:35
8:53
#20276
20K
12.43 mi13:13:291:52:119:0228:55
9:18
#20479
Half
13.11 mi13:19:391:58:219:026:10
9:02
#20481
25K
15.53 mi13:42:352:21:179:0622:56
9:28
#20538
30K
18.64 mi14:13:162:51:589:1430:41
9:53
#20545
20M
20.00 mi14:26:513:05:339:1713:35
10:00
#20539
21M
21.00 mi14:37:343:16:169:2110:43
10:43
#20493
35K
21.75 mi14:44:413:23:239:217:07
9:31
#20462
23M
23.00 mi14:57:093:35:519:2312:28
9:57
#20414
24M
24.00 mi15:06:533:45:359:249:44
9:44
#20391
40K
24.85 mi15:15:143:53:569:258:21
9:46
#20338
25.2M
25.20 mi15:18:483:57:309:253:34
10:21
#20310
Finish
26.22 mi15:28:164:06:589:269:28
9:17
#20263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211218433843319940(Top 75%)7652(Top 67%)7652(Top 157%)
10K6.21 mi3.10 mi20478+6438019+4148019+41419717(Top 74%)7525(Top 66%)7525(Top 154%)
15K9.32 mi3.11 mi20276+2027893+1267893+12619940(Top 75%)7652(Top 67%)7652(Top 157%)
20K12.43 mi3.11 mi20479-2037990-977990-9720998(Top 79%)8229(Top 72%)8229(Top 168%)
Half13.11 mi0.68 mi20481-27986+47986+420619(Top 77%)8032(Top 70%)8032(Top 164%)
25K15.53 mi2.42 mi20538-578005-198005-1920708(Top 78%)8109(Top 71%)8109(Top 166%)
30K18.64 mi3.11 mi20545-78031-268031-2620692(Top 78%)8164(Top 71%)8164(Top 167%)
20M20.00 mi1.36 mi20539+68047-168047-1620475(Top 77%)8117(Top 71%)8117(Top 166%)
21M21.00 mi1.00 mi20493+468030+178030+1720192(Top 76%)8029(Top 70%)8029(Top 164%)
35K21.75 mi0.75 mi20462+318020+108020+1019916(Top 75%)7884(Top 69%)7884(Top 161%)
23M23.00 mi1.25 mi20414+488004+168004+1619872(Top 75%)7888(Top 69%)7888(Top 162%)
24M24.00 mi1.00 mi20391+238000+48000+420020(Top 75%)7985(Top 70%)7985(Top 163%)
40K24.85 mi0.85 mi20338+537979+217979+2119293(Top 72%)7651(Top 67%)7651(Top 157%)
25.2M25.20 mi0.35 mi20310+287969+107969+1018659(Top 70%)7321(Top 64%)7321(Top 150%)
Finish26.22 mi1.02 mi20263+477949+207949+2019337(Top 73%)7637(Top 67%)7637(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19940

Females

7652

F18-39

7652

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19717

Females

7525

F18-39

7525

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19940

Females

7652

F18-39

7652

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20998

Females

8229

F18-39

8229

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20619

Females

8032

F18-39

8032

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20708

Females

8109

F18-39

8109

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20692

Females

8164

F18-39

8164

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20475

Females

8117

F18-39

8117

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20192

Females

8029

F18-39

8029

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19916

Females

7884

F18-39

7884

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19872

Females

7888

F18-39

7888

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20020

Females

7985

F18-39

7985

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19293

Females

7651

F18-39

7651

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18659

Females

7321

F18-39

7321

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19337

Females

7637

F18-39

7637

Passing Analysis

Category:
Athletes Passed
1923
Passed By
1065
Net Change
+858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21121
5K → 10K74097+643#21121#20478
10K → 15K28583+202#20478#20276
15K → 20K106309-203#20276#20479
20K → Half2729-2#20479#20481
Half → 25K84141-57#20481#20538
25K → 30K146153-7#20538#20545
30K → 20M7569+6#20545#20539
20M → 21M9347+46#20539#20493
21M → 35K5827+31#20493#20462
35K → 23M9143+48#20462#20414
23M → 24M4825+23#20414#20391
24M → 40K7017+53#20391#20338
40K → 25.2M346+28#20338#20310
25.2M → Finish6619+47#20310#20263
TOTALS19231065+858
📊

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