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BOSTON MARATHON 2023

Erin Morrissey

Bib: 30974•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
31:48
Rank: #24042
Start → 5K
31:48 | 10:14/mi
10K· 6.21 mi
1:07:15
Rank: #25315 (-1273)
5K → 10K
35:27 | 11:25/mi
15K· 9.32 mi
1:46:20
Rank: #25897 (-582)
10K → 15K
39:05 | 12:35/mi
20K· 12.43 mi
2:33:04
Rank: #26334 (-437)
15K → 20K
46:44 | 15:03/mi
Half· 13.11 mi
2:41:17
Rank: #26315 (+19)
20K → Half
8:13 | 12:03/mi
25K· 15.53 mi
3:17:19
Rank: #26391 (-76)
Half → 25K
36:02 | 14:52/mi
30K· 18.64 mi
4:01:00
Rank: #26361 (+30)
25K → 30K
43:41 | 14:04/mi
20M
4:19:42
Rank: #26328 (+33)
30K → 20M
18:42 | 13:46/mi
21M
4:34:46
Rank: #26317 (+11)
20M → 21M
15:04 | 15:04/mi
35K· 21.75 mi
4:44:08
Rank: #26299 (+18)
21M → 35K
9:22 | 12:31/mi
23M
5:00:34
Rank: #26245 (+54)
35K → 23M
16:26 | 13:07/mi
24M
5:13:41
Rank: #26231 (+14)
23M → 24M
13:07 | 13:07/mi
40K· 24.85 mi
5:26:15
Rank: #26236 (-5)
24M → 40K
12:34 | 14:42/mi
25.2M
5:31:19
Rank: #26232 (+4)
40K → 25.2M
5:04 | 14:42/mi
Finish· 26.22 mi
5:43:57
Rank: #26226 (+6)
25.2M → Finish
12:38 | 12:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:41:17
Pace12:18 /mi
2nd Half
Distance13.11 mi
Time3:02:40
Pace13:56 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2531:4810:1431:48
10:14
-
10K
6.21 mi12:23:521:07:1510:4935:27
11:25
+1:11
15K
9.32 mi13:02:571:46:2011:2539:05
12:35
+1:10
20K
12.43 mi13:49:412:33:0412:1946:44
15:03
+2:28
Half
13.11 mi13:57:542:41:1712:188:13
12:03
-3:00
25K
15.53 mi14:33:563:17:1912:4236:02
14:52
+2:49
30K
18.64 mi15:17:374:01:0012:5643:41
14:04
-0:48
20M
20.00 mi15:36:194:19:4212:5918:42
13:46
-0:18
21M
21.00 mi15:51:234:34:4613:0515:04
15:04
+1:18
35K
21.75 mi16:00:454:44:0813:049:22
12:31
-2:33
23M
23.00 mi16:17:115:00:3413:0416:26
13:07
+0:36
24M
24.00 mi16:30:185:13:4113:0413:07
13:07
0:00
40K
24.85 mi16:42:525:26:1513:0812:34
14:42
+1:35
25.2M
25.20 mi16:47:565:31:1913:095:04
14:42
0:00
Finish
26.22 mi17:00:345:43:5713:0812:38
12:24
-2:18

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

10:14 /mi

Average Pace

13:08 /mi

Slowest Pace

15:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:06

26% of race

Time at Steady Pace

1:36:42

28% of race

Time at Slower Pace

2:39:09

46% of race

Average Pace: 13:07 /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 mi11:48:2531:4810:1431:48
10:14
#24042
10K
6.21 mi12:23:521:07:1510:4935:27
11:25
#25315
15K
9.32 mi13:02:571:46:2011:2539:05
12:35
#25897
20K
12.43 mi13:49:412:33:0412:1946:44
15:03
#26334
Half
13.11 mi13:57:542:41:1712:188:13
12:03
#26315
25K
15.53 mi14:33:563:17:1912:4236:02
14:52
#26391
30K
18.64 mi15:17:374:01:0012:5643:41
14:04
#26361
20M
20.00 mi15:36:194:19:4212:5918:42
13:46
#26328
21M
21.00 mi15:51:234:34:4613:0515:04
15:04
#26317
35K
21.75 mi16:00:454:44:0813:049:22
12:31
#26299
23M
23.00 mi16:17:115:00:3413:0416:26
13:07
#26245
24M
24.00 mi16:30:185:13:4113:0413:07
13:07
#26231
40K
24.85 mi16:42:525:26:1513:0812:34
14:42
#26236
25.2M
25.20 mi16:47:565:31:1913:095:04
14:42
#26232
Finish
26.22 mi17:00:345:43:5713:0812:38
12:24
#26226
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240429915991526349(Top 99%)11268(Top 99%)11268(Top 231%)
10K6.21 mi3.10 mi25315-127310609-69410609-69425892(Top 97%)10974(Top 96%)10974(Top 225%)
15K9.32 mi3.11 mi25897-58210978-36910978-36926349(Top 99%)11268(Top 99%)11268(Top 231%)
20K12.43 mi3.11 mi26334-43711248-27011248-27026596(Top 100%)11411(Top 100%)11411(Top 234%)
Half13.11 mi0.68 mi26315+1911236+1211236+1225918(Top 97%)11015(Top 96%)11015(Top 226%)
25K15.53 mi2.42 mi26391-7611283-4711283-4726533(Top 100%)11377(Top 100%)11377(Top 233%)
30K18.64 mi3.11 mi26361+3011266+1711266+1726059(Top 98%)11131(Top 97%)11131(Top 228%)
20M20.00 mi1.36 mi26328+3311247+1911247+1925701(Top 97%)10960(Top 96%)10960(Top 224%)
21M21.00 mi1.00 mi26317+1111242+511242+525766(Top 97%)10992(Top 96%)10992(Top 225%)
35K21.75 mi0.75 mi26299+1811231+1111231+1125209(Top 95%)10766(Top 94%)10766(Top 220%)
23M23.00 mi1.25 mi26245+5411212+1911212+1925212(Top 95%)10752(Top 94%)10752(Top 220%)
24M24.00 mi1.00 mi26231+1411206+611206+625568(Top 96%)10962(Top 96%)10962(Top 224%)
40K24.85 mi0.85 mi26236-5112061120626021(Top 98%)11182(Top 98%)11182(Top 229%)
25.2M25.20 mi0.35 mi26232+411205+111205+125538(Top 96%)10952(Top 96%)10952(Top 224%)
Finish26.22 mi1.02 mi26226+611204+111204+125612(Top 96%)10986(Top 96%)10986(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26349

Females

11268

F18-39

11268

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25892

Females

10974

F18-39

10974

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26349

Females

11268

F18-39

11268

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

26596

Females

11411

F18-39

11411

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25918

Females

11015

F18-39

11015

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

26533

Females

11377

F18-39

11377

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26059

Females

11131

F18-39

11131

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25701

Females

10960

F18-39

10960

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25766

Females

10992

F18-39

10992

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

25209

Females

10766

F18-39

10766

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25212

Females

10752

F18-39

10752

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25568

Females

10962

F18-39

10962

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26021

Females

11182

F18-39

11182

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25538

Females

10952

F18-39

10952

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25612

Females

10986

F18-39

10986

Passing Analysis

Category:
Athletes Passed
256
Passed By
2440
Net Change
-2184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24042
5K → 10K71280-1273#24042#25315
10K → 15K7589-582#25315#25897
15K → 20K0437-437#25897#26334
20K → Half201+19#26334#26315
Half → 25K480-76#26315#26391
25K → 30K4919+30#26391#26361
30K → 20M330+33#26361#26328
20M → 21M209+11#26328#26317
21M → 35K180+18#26317#26299
35K → 23M551+54#26299#26245
23M → 24M195+14#26245#26231
24M → 40K611-5#26231#26236
40K → 25.2M73+4#26236#26232
25.2M → Finish115+6#26232#26226
TOTALS2562440-2184
📊

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