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BOSTON MARATHON 2023

Lorena Mackelvie

Bib: 14022•F

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0:00
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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
29:36
Rank: #22185
Start → 5K
29:36 | 9:32/mi
10K· 6.21 mi
58:25
Rank: #22053 (+132)
5K → 10K
28:49 | 9:17/mi
15K· 9.32 mi
1:28:14
Rank: #22193 (-140)
10K → 15K
29:49 | 9:36/mi
20K· 12.43 mi
1:58:12
Rank: #22153 (+40)
15K → 20K
29:58 | 9:39/mi
Half· 13.11 mi
2:04:52
Rank: #22187 (-34)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:29:22
Rank: #22243 (-56)
Half → 25K
24:30 | 10:06/mi
30K· 18.64 mi
3:01:10
Rank: #22120 (+123)
25K → 30K
31:48 | 10:14/mi
20M
3:15:38
Rank: #22116 (+4)
30K → 20M
14:28 | 10:39/mi
21M
3:28:13
Rank: #22206 (-90)
20M → 21M
12:35 | 12:35/mi
35K· 21.75 mi
3:36:01
Rank: #22198 (+8)
21M → 35K
7:48 | 10:26/mi
23M
3:49:19
Rank: #22165 (+33)
35K → 23M
13:18 | 10:37/mi
24M
3:59:28
Rank: #22125 (+40)
23M → 24M
10:09 | 10:09/mi
40K· 24.85 mi
4:09:12
Rank: #22175 (-50)
24M → 40K
9:44 | 11:23/mi
25.2M
4:13:23
Rank: #22184 (-9)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:23:40
Rank: #22172 (+12)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:52
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:18:48
Pace10:35 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4729:369:3229:36
9:32
-
10K
6.21 mi11:27:3658:259:2428:49
9:17
-0:15
15K
9.32 mi11:57:251:28:149:2829:49
9:36
+0:19
20K
12.43 mi12:27:231:58:129:3129:58
9:39
+0:03
Half
13.11 mi12:34:032:04:529:316:40
9:46
+0:07
25K
15.53 mi12:58:332:29:229:3724:30
10:06
+0:20
30K
18.64 mi13:30:213:01:109:4331:48
10:14
+0:08
20M
20.00 mi13:44:493:15:389:4714:28
10:39
+0:25
21M
21.00 mi13:57:243:28:139:5512:35
12:35
+1:56
35K
21.75 mi14:05:123:36:019:567:48
10:26
-2:09
23M
23.00 mi14:18:303:49:199:5813:18
10:37
+0:11
24M
24.00 mi14:28:393:59:289:5910:09
10:09
-0:28
40K
24.85 mi14:38:234:09:1210:029:44
11:23
+1:14
25.2M
25.20 mi14:42:344:13:2310:034:11
12:08
+0:45
Finish
26.22 mi14:52:514:23:4010:0410:17
10:05
-2:03

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

9:17 /mi

Average Pace

10:04 /mi

Slowest Pace

12:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:12

45% of race

Time at Steady Pace

1:31:12

35% of race

Time at Slower Pace

54:16

21% of race

Average Pace: 10:03 /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 mi10:58:4729:369:3229:36
9:32
#22185
10K
6.21 mi11:27:3658:259:2428:49
9:17
#22053
15K
9.32 mi11:57:251:28:149:2829:49
9:36
#22193
20K
12.43 mi12:27:231:58:129:3129:58
9:39
#22153
Half
13.11 mi12:34:032:04:529:316:40
9:46
#22187
25K
15.53 mi12:58:332:29:229:3724:30
10:06
#22243
30K
18.64 mi13:30:213:01:109:4331:48
10:14
#22120
20M
20.00 mi13:44:493:15:389:4714:28
10:39
#22116
21M
21.00 mi13:57:243:28:139:5512:35
12:35
#22206
35K
21.75 mi14:05:123:36:019:567:48
10:26
#22198
23M
23.00 mi14:18:303:49:199:5813:18
10:37
#22165
24M
24.00 mi14:28:393:59:289:5910:09
10:09
#22125
40K
24.85 mi14:38:234:09:1210:029:44
11:23
#22175
25.2M
25.20 mi14:42:344:13:2310:034:11
12:08
#22184
Finish
26.22 mi14:52:514:23:4010:0410:17
10:05
#22172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221858971897122517(Top 85%)9079(Top 79%)9079(Top 186%)
10K6.21 mi3.10 mi22053+1328883+888883+8821857(Top 82%)8745(Top 77%)8745(Top 179%)
15K9.32 mi3.11 mi22193-1408933-508933-5022517(Top 85%)9079(Top 79%)9079(Top 186%)
20K12.43 mi3.11 mi22153+408911+228911+2221993(Top 83%)8796(Top 77%)8796(Top 180%)
Half13.11 mi0.68 mi22187-348931-208931-2022809(Top 86%)9246(Top 81%)9246(Top 189%)
25K15.53 mi2.42 mi22243-568970-398970-3922445(Top 84%)9083(Top 80%)9083(Top 186%)
30K18.64 mi3.11 mi22120+1238905+658905+6521629(Top 81%)8702(Top 76%)8702(Top 178%)
20M20.00 mi1.36 mi22116+48911-68911-622035(Top 83%)8996(Top 79%)8996(Top 184%)
21M21.00 mi1.00 mi22206-908969-588969-5823563(Top 89%)9841(Top 86%)9841(Top 201%)
35K21.75 mi0.75 mi22198+88975-68975-622244(Top 84%)9185(Top 80%)9185(Top 188%)
23M23.00 mi1.25 mi22165+338968+78968+721608(Top 81%)8854(Top 78%)8854(Top 181%)
24M24.00 mi1.00 mi22125+408950+188950+1821209(Top 80%)8676(Top 76%)8676(Top 178%)
40K24.85 mi0.85 mi22175-508982-328982-3223039(Top 87%)9678(Top 85%)9678(Top 198%)
25.2M25.20 mi0.35 mi22184-98993-118993-1122744(Top 85%)9521(Top 83%)9521(Top 195%)
Finish26.22 mi1.02 mi22172+128997-48997-422012(Top 83%)9123(Top 80%)9123(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22517

Females

9079

F18-39

9079

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21857

Females

8745

F18-39

8745

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22517

Females

9079

F18-39

9079

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

21993

Females

8796

F18-39

8796

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22809

Females

9246

F18-39

9246

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22445

Females

9083

F18-39

9083

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21629

Females

8702

F18-39

8702

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22035

Females

8996

F18-39

8996

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23563

Females

9841

F18-39

9841

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22244

Females

9185

F18-39

9185

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21608

Females

8854

F18-39

8854

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21209

Females

8676

F18-39

8676

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23039

Females

9678

F18-39

9678

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22744

Females

9521

F18-39

9521

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22012

Females

9123

F18-39

9123

Passing Analysis

Category:
Athletes Passed
1212
Passed By
1199
Net Change
+13
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22185
5K → 10K318186+132#22185#22053
10K → 15K119259-140#22053#22193
15K → 20K153113+40#22193#22153
20K → Half1650-34#22153#22187
Half → 25K82138-56#22187#22243
25K → 30K18865+123#22243#22120
30K → 20M7066+4#22120#22116
20M → 21M25115-90#22116#22206
21M → 35K3628+8#22206#22198
35K → 23M6734+33#22198#22165
23M → 24M6121+40#22165#22125
24M → 40K2171-50#22125#22175
40K → 25.2M1322-9#22175#22184
25.2M → Finish4331+12#22184#22172
TOTALS12121199+13
📊

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