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BOSTON MARATHON 2023

Lizzie Mundell-Perkins

Bib: 9030•F

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Female)
#0 / 11423
Top 0.4%
Division (F18-39)
#0 / 4884
Top 0.9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:56
Rank: #886
Start → 5K
18:56 | 6:06/mi
10K· 6.21 mi
37:51
Rank: #951 (-65)
5K → 10K
18:55 | 6:05/mi
15K· 9.32 mi
56:53
Rank: #975 (-24)
10K → 15K
19:02 | 6:08/mi
20K· 12.43 mi
1:16:03
Rank: #964 (+11)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:09
Rank: #952 (+12)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:35:13
Rank: #951 (+1)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:08
Rank: #955 (-4)
25K → 30K
19:55 | 6:25/mi
20M
2:03:50
Rank: #955
30K → 20M
8:42 | 6:24/mi
21M
2:10:48
Rank: #978 (-23)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:15:29
Rank: #982 (-4)
21M → 35K
4:41 | 6:16/mi
23M
2:23:43
Rank: #990 (-8)
35K → 23M
8:14 | 6:35/mi
24M
2:30:09
Rank: #1004 (-14)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:35:46
Rank: #1020 (-16)
24M → 40K
5:37 | 6:34/mi
25.2M
2:38:13
Rank: #1025 (-5)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:44:36
Rank: #1030 (-5)
25.2M → Finish
6:23 | 6:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:09
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:24:27
Pace6:27 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:1418:566:0618:56
6:06
-
10K
6.21 mi11:03:0937:516:0518:55
6:05
-0:01
15K
9.32 mi11:22:1156:536:0619:02
6:08
+0:03
20K
12.43 mi11:41:211:16:036:0719:10
6:10
+0:02
Half
13.11 mi11:45:271:20:096:074:06
6:01
-0:09
25K
15.53 mi12:00:311:35:136:0815:04
6:13
+0:12
30K
18.64 mi12:20:261:55:086:1119:55
6:25
+0:12
20M
20.00 mi12:29:082:03:506:118:42
6:24
-0:01
21M
21.00 mi12:36:062:10:486:146:58
6:58
+0:34
35K
21.75 mi12:40:472:15:296:144:41
6:16
-0:42
23M
23.00 mi12:49:012:23:436:158:14
6:35
+0:19
24M
24.00 mi12:55:272:30:096:156:26
6:26
-0:09
40K
24.85 mi13:01:042:35:466:165:37
6:34
+0:08
25.2M
25.20 mi13:03:312:38:136:172:27
7:06
+0:32
Finish
26.22 mi13:09:542:44:366:176:23
6:16
-0:50

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

6:01 /mi

Average Pace

6:17 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:11

94% of race

Time at Steady Pace

6:58

4% of race

Time at Slower Pace

2:27

1% of race

Average Pace: 6:17 /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 mi10:44:1418:566:0618:56
6:06
#886
10K
6.21 mi11:03:0937:516:0518:55
6:05
#951
15K
9.32 mi11:22:1156:536:0619:02
6:08
#975
20K
12.43 mi11:41:211:16:036:0719:10
6:10
#964
Half
13.11 mi11:45:271:20:096:074:06
6:01
#952
25K
15.53 mi12:00:311:35:136:0815:04
6:13
#951
30K
18.64 mi12:20:261:55:086:1119:55
6:25
#955
20M
20.00 mi12:29:082:03:506:118:42
6:24
#955
21M
21.00 mi12:36:062:10:486:146:58
6:58
#978
35K
21.75 mi12:40:472:15:296:144:41
6:16
#982
23M
23.00 mi12:49:012:23:436:158:14
6:35
#990
24M
24.00 mi12:55:272:30:096:156:26
6:26
#1004
40K
24.85 mi13:01:042:35:466:165:37
6:34
#1020
25.2M
25.20 mi13:03:312:38:136:172:27
7:06
#1025
Finish
26.22 mi13:09:542:44:366:176:23
6:16
#1030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi88652521043(Top 4%)52(Top 0.5%)52(Top 1%)
10K6.21 mi3.10 mi951-6553-153-11036(Top 4%)50(Top 0.4%)50(Top 1%)
15K9.32 mi3.11 mi975-2451+251+21043(Top 4%)52(Top 0.5%)52(Top 1%)
20K12.43 mi3.11 mi964+1149+249+2978(Top 4%)48(Top 0.4%)48(Top 1.0%)
Half13.11 mi0.68 mi952+124949815(Top 3%)41(Top 0.4%)41(Top 0.8%)
25K15.53 mi2.42 mi951+148+148+11040(Top 4%)49(Top 0.4%)49(Top 1%)
30K18.64 mi3.11 mi955-448481248(Top 5%)56(Top 0.5%)56(Top 1%)
20M20.00 mi1.36 mi95548481162(Top 4%)54(Top 0.5%)54(Top 1%)
21M21.00 mi1.00 mi978-2347+147+12029(Top 8%)103(Top 0.9%)103(Top 2%)
35K21.75 mi0.75 mi982-447471475(Top 6%)74(Top 0.6%)74(Top 2%)
23M23.00 mi1.25 mi990-847471711(Top 6%)86(Top 0.8%)86(Top 2%)
24M24.00 mi1.00 mi1004-1449-249-21843(Top 7%)104(Top 0.9%)104(Top 2%)
40K24.85 mi0.85 mi1020-1650-150-11827(Top 7%)106(Top 0.9%)106(Top 2%)
25.2M25.20 mi0.35 mi1025-550502186(Top 8%)144(Top 1%)144(Top 3%)
Finish26.22 mi1.02 mi1030-549+149+11516(Top 6%)82(Top 0.7%)82(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1043

Females

52

F18-39

52

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1036

Females

50

F18-39

50

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1043

Females

52

F18-39

52

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

978

Females

48

F18-39

48

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

815

Females

41

F18-39

41

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1040

Females

49

F18-39

49

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1248

Females

56

F18-39

56

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1162

Females

54

F18-39

54

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2029

Females

103

F18-39

103

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1475

Females

74

F18-39

74

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1711

Females

86

F18-39

86

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1843

Females

104

F18-39

104

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1827

Females

106

F18-39

106

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2186

Females

144

F18-39

144

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1516

Females

82

F18-39

82

Passing Analysis

Category:
Athletes Passed
233
Passed By
377
Net Change
-144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#886
5K → 10K2287-65#886#951
10K → 15K2145-24#951#975
15K → 20K3322+11#975#964
20K → Half153+12#964#952
Half → 25K2019+1#952#951
25K → 30K3438-4#951#955
30K → 20M17170#955#955
20M → 21M1033-23#955#978
21M → 35K610-4#978#982
35K → 23M1422-8#982#990
23M → 24M1125-14#990#1004
24M → 40K1127-16#1004#1020
40K → 25.2M510-5#1020#1025
25.2M → Finish1419-5#1025#1030
TOTALS233377-144
📊

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