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BOSTON MARATHON 2023

Morgan Leh

Bib: 14716•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:22
Rank: #12792
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
48:04
Rank: #12154 (+638)
5K → 10K
23:42 | 7:38/mi
15K· 9.32 mi
1:11:23
Rank: #11444 (+710)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:34:44
Rank: #10910 (+534)
15K → 20K
23:21 | 7:31/mi
Half· 13.11 mi
1:39:49
Rank: #10854 (+56)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:58:30
Rank: #10723 (+131)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:23:53
Rank: #10915 (-192)
25K → 30K
25:23 | 8:10/mi
20M
2:35:15
Rank: #11047 (-132)
30K → 20M
11:22 | 8:22/mi
21M
2:44:39
Rank: #11334 (-287)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
2:50:44
Rank: #11399 (-65)
21M → 35K
6:05 | 8:08/mi
23M
3:02:39
Rank: #11986 (-587)
35K → 23M
11:55 | 9:31/mi
24M
3:11:32
Rank: #12247 (-261)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:19:04
Rank: #12361 (-114)
24M → 40K
7:32 | 8:49/mi
25.2M
3:22:40
Rank: #12514 (-153)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:31:42
Rank: #12741 (-227)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:51:53
Pace8:32 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0424:227:5124:22
7:51
-
10K
6.21 mi11:16:4648:047:4423:42
7:38
-0:13
15K
9.32 mi11:40:051:11:237:4023:19
7:30
-0:08
20K
12.43 mi12:03:261:34:447:3723:21
7:31
+0:01
Half
13.11 mi12:08:311:39:497:375:05
7:27
-0:04
25K
15.53 mi12:27:121:58:307:3818:41
7:42
+0:15
30K
18.64 mi12:52:352:23:537:4325:23
8:10
+0:28
20M
20.00 mi13:03:572:35:157:4611:22
8:22
+0:12
21M
21.00 mi13:13:212:44:397:509:24
9:24
+1:02
35K
21.75 mi13:19:262:50:447:516:05
8:08
-1:16
23M
23.00 mi13:31:213:02:397:5611:55
9:31
+1:23
24M
24.00 mi13:40:143:11:327:598:53
8:53
-0:38
40K
24.85 mi13:47:463:19:048:017:32
8:49
-0:04
25.2M
25.20 mi13:51:223:22:408:033:36
10:26
+1:37
Finish
26.22 mi14:00:243:31:428:059:02
8:52
-1:34

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

7:27 /mi

Average Pace

8:05 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:08

44% of race

Time at Steady Pace

1:07:12

32% of race

Time at Slower Pace

50:22

24% of race

Average Pace: 8:04 /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 mi10:53:0424:227:5124:22
7:51
#12792
10K
6.21 mi11:16:4648:047:4423:42
7:38
#12154
15K
9.32 mi11:40:051:11:237:4023:19
7:30
#11444
20K
12.43 mi12:03:261:34:447:3723:21
7:31
#10910
Half
13.11 mi12:08:311:39:497:375:05
7:27
#10854
25K
15.53 mi12:27:121:58:307:3818:41
7:42
#10723
30K
18.64 mi12:52:352:23:537:4325:23
8:10
#10915
20M
20.00 mi13:03:572:35:157:4611:22
8:22
#11047
21M
21.00 mi13:13:212:44:397:509:24
9:24
#11334
35K
21.75 mi13:19:262:50:447:516:05
8:08
#11399
23M
23.00 mi13:31:213:02:397:5611:55
9:31
#11986
24M
24.00 mi13:40:143:11:327:598:53
8:53
#12247
40K
24.85 mi13:47:463:19:048:017:32
8:49
#12361
25.2M
25.20 mi13:51:223:22:408:033:36
10:26
#12514
Finish
26.22 mi14:00:243:31:428:059:02
8:52
#12741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127923323332310237(Top 38%)1958(Top 17%)1958(Top 40%)
10K6.21 mi3.10 mi12154+6382947+3762947+37611599(Top 44%)2654(Top 23%)2654(Top 54%)
15K9.32 mi3.11 mi11444+7102572+3752572+37510237(Top 38%)1958(Top 17%)1958(Top 40%)
20K12.43 mi3.11 mi10910+5342292+2802292+2809451(Top 36%)1673(Top 15%)1673(Top 34%)
Half13.11 mi0.68 mi10854+562266+262266+269915(Top 37%)1870(Top 16%)1870(Top 38%)
25K15.53 mi2.42 mi10723+1312210+562210+5610361(Top 39%)2168(Top 19%)2168(Top 44%)
30K18.64 mi3.11 mi10915-1922356-1462356-14612147(Top 46%)3272(Top 29%)3272(Top 67%)
20M20.00 mi1.36 mi11047-1322463-1072463-10712798(Top 48%)3739(Top 33%)3739(Top 77%)
21M21.00 mi1.00 mi11334-2872639-1762639-17615471(Top 58%)5326(Top 47%)5326(Top 109%)
35K21.75 mi0.75 mi11399-652688-492688-4913022(Top 49%)4008(Top 35%)4008(Top 82%)
23M23.00 mi1.25 mi11986-5873052-3643052-36418395(Top 69%)7067(Top 62%)7067(Top 145%)
24M24.00 mi1.00 mi12247-2613216-1643216-16416686(Top 63%)6180(Top 54%)6180(Top 127%)
40K24.85 mi0.85 mi12361-1143293-773293-7715136(Top 57%)5366(Top 47%)5366(Top 110%)
25.2M25.20 mi0.35 mi12514-1533392-993392-9918905(Top 71%)7446(Top 65%)7446(Top 152%)
Finish26.22 mi1.02 mi12741-2273546-1543546-15417342(Top 65%)6550(Top 57%)6550(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10237

Females

1958

F18-39

1958

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11599

Females

2654

F18-39

2654

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10237

Females

1958

F18-39

1958

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9451

Females

1673

F18-39

1673

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9915

Females

1870

F18-39

1870

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10361

Females

2168

F18-39

2168

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12147

Females

3272

F18-39

3272

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12798

Females

3739

F18-39

3739

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15471

Females

5326

F18-39

5326

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13022

Females

4008

F18-39

4008

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18395

Females

7067

F18-39

7067

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16686

Females

6180

F18-39

6180

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15136

Females

5366

F18-39

5366

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18905

Females

7446

F18-39

7446

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17342

Females

6550

F18-39

6550

Passing Analysis

Category:
Athletes Passed
2596*
Passed By
2545
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12792
5K → 10K744106+638#12792#12154
10K → 15K72818+710#12154#11444
15K → 20K54410+534#11444#10910
20K → Half648+56#10910#10854
Half → 25K18655+131#10854#10723
25K → 30K130322-192#10723#10915
30K → 20M52*184-132#10915#11047
20M → 21M26313-287#11047#11334
21M → 35K3297-65#11334#11399
35K → 23M20607-587#11399#11986
23M → 24M15276-261#11986#12247
24M → 40K28142-114#12247#12361
40K → 25.2M6159-153#12361#12514
25.2M → Finish21248-227#12514#12741
TOTALS2596*2545+51

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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