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BOSTON MARATHON 2023

Erin Kelley

Bib: 24700•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
12:58/mi
40:16
↑ 97↓ 3451.5%
10K· 6.21 mi
11:52/mi
1:17:09
↑ 79↓ 1380.4%
15K· 9.32 mi
12:14/mi
1:55:10
↑ 67↓ 78
20K· 12.43 mi
12:57/mi
2:35:23
↑ 106↓ 860.1%
Half· 13.11 mi
11:45/mi
2:43:24
↑ 19↓ 370.5%
25K· 15.53 mi
12:44/mi
3:14:16
↑ 66↓ 880.2%
30K· 18.64 mi
13:09/mi
3:55:07
↑ 181↓ 1480.2%
20M
13:21/mi
4:13:15
↑ 64↓ 500.2%
21M
14:07/mi
4:27:22
↑ 106↓ 241.6%
35K· 21.75 mi
12:42/mi
4:36:52
↑ 17↓ 861.7%
23M
13:04/mi
4:53:13
↑ 23↓ 630.6%
24M
12:43/mi
5:05:56
↓ 821.3%
40K· 24.85 mi
13:50/mi
5:17:46
↓ 200.3%
25.2M
14:24/mi
5:22:44
↑ 13↓ 160.2%
Finish· 26.22 mi
12:16/mi
5:35:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:43:24
Pace12:28 /mi
2nd Half
Distance13.11 mi
Time2:51:50
Pace13:06 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:0440:1612:5840:16
12:58
-
10K
6.21 mi12:38:571:17:0912:2536:53
11:52
-1:06
15K
9.32 mi13:16:581:55:1012:2138:01
12:14
+0:22
20K
12.43 mi13:57:112:35:2312:3040:13
12:57
+0:43
Half
13.11 mi14:05:122:43:2412:288:01
11:45
-1:12
25K
15.53 mi14:36:043:14:1612:3030:52
12:44
+0:59
30K
18.64 mi15:16:553:55:0712:3740:51
13:09
+0:25
20M
20.00 mi15:35:034:13:1512:4018:08
13:21
+0:12
21M
21.00 mi15:49:104:27:2212:4414:07
14:07
+0:46
35K
21.75 mi15:58:404:36:5212:449:30
12:42
-1:25
23M
23.00 mi16:15:014:53:1312:4516:21
13:04
+0:22
24M
24.00 mi16:27:445:05:5612:4512:43
12:43
-0:21
40K
24.85 mi16:39:345:17:4612:4711:50
13:50
+1:07
25.2M
25.20 mi16:44:325:22:4412:484:58
14:24
+0:34
Finish
26.22 mi16:57:025:35:1412:4812:30
12:16
-2:08

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

11:45 /mi

Average Pace

12:48 /mi

Slowest Pace

14:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:25

28% of race

Time at Steady Pace

3:10:46

57% of race

Time at Slower Pace

49:03

15% of race

Average Pace: 12:47 /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 mi12:02:0440:1612:5840:16
12:58
#26585
10K
6.21 mi12:38:571:17:0912:2536:53
11:52
#26499
15K
9.32 mi13:16:581:55:1012:2138:01
12:14
#26446
20K
12.43 mi13:57:112:35:2312:3040:13
12:57
#26406
Half
13.11 mi14:05:122:43:2412:288:01
11:45
#26375
25K
15.53 mi14:36:043:14:1612:3030:52
12:44
#26290
30K
18.64 mi15:16:553:55:0712:3740:51
13:09
#26198
20M
20.00 mi15:35:034:13:1512:4018:08
13:21
#26155
21M
21.00 mi15:49:104:27:2212:4414:07
14:07
#26120
35K
21.75 mi15:58:404:36:5212:449:30
12:42
#26104
23M
23.00 mi16:15:014:53:1312:4516:21
13:04
#26072
24M
24.00 mi16:27:445:05:5612:4512:43
12:43
#26045
40K
24.85 mi16:39:345:17:4612:4711:50
13:50
#26032
25.2M
25.20 mi16:44:325:22:4412:484:58
14:24
#26030
Finish
26.22 mi16:57:025:35:1412:4812:30
12:16
#26025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26585114091140926194(Top 98%)11160(Top 98%)11160(Top 229%)
10K6.21 mi3.10 mi26499+8611363+4611363+4626205(Top 98%)11171(Top 98%)11171(Top 229%)
15K9.32 mi3.11 mi26446+5311326+3711326+3726194(Top 98%)11160(Top 98%)11160(Top 229%)
20K12.43 mi3.11 mi26406+4011296+3011296+3026204(Top 98%)11175(Top 98%)11175(Top 229%)
Half13.11 mi0.68 mi26375+3111272+2411272+2425693(Top 97%)10899(Top 95%)10899(Top 223%)
25K15.53 mi2.42 mi26290+8511218+5411218+5425714(Top 97%)10914(Top 96%)10914(Top 223%)
30K18.64 mi3.11 mi26198+9211169+4911169+4925541(Top 96%)10863(Top 95%)10863(Top 222%)
20M20.00 mi1.36 mi26155+4311152+1711152+1725442(Top 96%)10825(Top 95%)10825(Top 222%)
21M21.00 mi1.00 mi26120+3511131+2111131+2125137(Top 94%)10684(Top 94%)10684(Top 219%)
35K21.75 mi0.75 mi26104+1611129+211129+225352(Top 95%)10843(Top 95%)10843(Top 222%)
23M23.00 mi1.25 mi26072+3211111+1811111+1825155(Top 94%)10715(Top 94%)10715(Top 219%)
24M24.00 mi1.00 mi26045+2711096+1511096+1525267(Top 95%)10811(Top 95%)10811(Top 221%)
40K24.85 mi0.85 mi26032+1311089+711089+725598(Top 96%)10976(Top 96%)10976(Top 225%)
25.2M25.20 mi0.35 mi26030+211093-411093-425337(Top 95%)10849(Top 95%)10849(Top 222%)
Finish26.22 mi1.02 mi26025+511090+311090+325486(Top 96%)10912(Top 96%)10912(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26194

Females

11160

F18-39

11160

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26205

Females

11171

F18-39

11171

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26194

Females

11160

F18-39

11160

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26204

Females

11175

F18-39

11175

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25693

Females

10899

F18-39

10899

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25714

Females

10914

F18-39

10914

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25541

Females

10863

F18-39

10863

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25442

Females

10825

F18-39

10825

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25137

Females

10684

F18-39

10684

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25352

Females

10843

F18-39

10843

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

25155

Females

10715

F18-39

10715

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25267

Females

10811

F18-39

10811

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25598

Females

10976

F18-39

10976

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25337

Females

10849

F18-39

10849

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25486

Females

10912

F18-39

10912

Passing Analysis

Category:
Athletes Passed
628
Passed By
68
Net Change
+560
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26585
5K → 10K871+86#26585#26499
10K → 15K6310+53#26499#26446
15K → 20K5111+40#26446#26406
20K → Half310+31#26406#26375
Half → 25K872+85#26375#26290
25K → 30K964+92#26290#26198
30K → 20M463+43#26198#26155
20M → 21M372+35#26155#26120
21M → 35K215+16#26120#26104
35K → 23M364+32#26104#26072
23M → 24M292+27#26072#26045
24M → 40K207+13#26045#26032
40K → 25.2M97+2#26032#26030
25.2M → Finish1510+5#26030#26025
TOTALS62868+560
📊

Passing Visuals

Category:
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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