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BOSTON MARATHON 2024

Dongmei Lu

Bib: 16393•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 43%
Masters (Masters Women)
#0 / 6263
Top 32%
Division (F50-54)
#0 / 1187
Top 25%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
7:13/mi
22:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:08:31
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:32:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:37:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
1:57:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:42/mi
2:24:04
↑ 181↓ 1480.2%
20M
9:49/mi
2:37:24
↑ 64↓ 500.2%
21M
10:36/mi
2:48:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
2:54:37
↑ 17↓ 861.7%
23M
9:13/mi
3:06:10
↑ 23↓ 630.6%
24M
9:30/mi
3:15:40
↓ 821.3%
40K· 24.85 mi
17:07/mi
3:30:18
↓ 200.3%
25.2M
17:12/mi
3:36:14
↑ 13↓ 160.2%
Finish· 26.22 mi
11:31/mi
3:47:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time2:10:20
Pace9:57 /mi
📊Positive Split: 33.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:3022:267:1322:26
7:13
-
10K
6.21 mi11:35:2245:187:1722:52
7:22
+0:09
15K
9.32 mi11:58:351:08:317:2123:13
7:28
+0:06
20K
12.43 mi12:22:321:32:287:2623:57
7:43
+0:15
Half
13.11 mi12:27:421:37:387:275:10
7:34
-0:09
25K
15.53 mi12:47:051:57:017:3219:23
8:00
+0:26
30K
18.64 mi13:14:082:24:047:4427:03
8:42
+0:42
20M
20.00 mi13:27:282:37:247:5213:20
9:49
+1:07
21M
21.00 mi13:38:042:48:008:0010:36
10:36
+0:47
35K
21.75 mi13:44:412:54:378:026:37
8:51
-1:45
23M
23.00 mi13:56:143:06:108:0611:33
9:13
+0:22
24M
24.00 mi14:05:443:15:408:099:30
9:30
+0:17
40K
24.85 mi14:20:223:30:188:2814:38
17:07
+7:37
25.2M
25.20 mi14:26:183:36:148:355:56
17:12
+0:05
Finish
26.22 mi14:38:023:47:588:4211:44
11:31
-5:41

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

7:13 /mi

Average Pace

8:42 /mi

Slowest Pace

17:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:26

10% of race

Time at Steady Pace

2:42:38

71% of race

Time at Slower Pace

42:54

19% of race

Average Pace: 8:42 /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 mi11:12:3022:267:1322:26
7:13
#8591
10K
6.21 mi11:35:2245:187:1722:52
7:22
#8847
15K
9.32 mi11:58:351:08:317:2123:13
7:28
#8995
20K
12.43 mi12:22:321:32:287:2623:57
7:43
#9177
Half
13.11 mi12:27:421:37:387:275:10
7:34
#9196
25K
15.53 mi12:47:051:57:017:3219:23
8:00
#9315
30K
18.64 mi13:14:082:24:047:4427:03
8:42
#9749
20M
20.00 mi13:27:282:37:247:5213:20
9:49
#10297
21M
21.00 mi13:38:042:48:008:0010:36
10:36
#10614
35K
21.75 mi13:44:412:54:378:026:37
8:51
#10676
23M
23.00 mi13:56:143:06:108:0611:33
9:13
#10746
24M
24.00 mi14:05:443:15:408:099:30
9:30
#10937
40K
24.85 mi14:20:223:30:188:2814:38
17:07
#12634
25.2M
25.20 mi14:26:183:36:148:355:56
17:12
#13215
Finish
26.22 mi14:38:023:47:588:4211:44
11:31
#13827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi8591142014209479(Top 37%)1916(Top 18%)1916(Top 161%)
10K6.21 mi3.10 mi8847-2561556-1361556-1369150(Top 36%)1716(Top 16%)1716(Top 145%)
15K9.32 mi3.11 mi8995-1481635-791635-799479(Top 37%)1916(Top 18%)1916(Top 161%)
20K12.43 mi3.11 mi9177-1821756-1211756-1219824(Top 38%)2243(Top 21%)2243(Top 189%)
Half13.11 mi0.68 mi9196-191764-81764-89737(Top 38%)2192(Top 20%)2192(Top 185%)
25K15.53 mi2.42 mi9315-1191860-961860-9610171(Top 40%)2568(Top 24%)2568(Top 216%)
30K18.64 mi3.11 mi9749-4342184-3242184-32411735(Top 46%)3601(Top 33%)3601(Top 303%)
20M20.00 mi1.36 mi10297-5482535-3512535-35115802(Top 62%)6100(Top 56%)6100(Top 514%)
21M21.00 mi1.00 mi10614-3172745-2102745-21015163(Top 59%)5897(Top 54%)5897(Top 497%)
35K21.75 mi0.75 mi10676-622804-592804-5912589(Top 49%)4583(Top 42%)4583(Top 386%)
23M23.00 mi1.25 mi10746-702905-1012905-10112271(Top 48%)4546(Top 42%)4546(Top 383%)
24M24.00 mi1.00 mi10937-1913045-1403045-14014477(Top 57%)5688(Top 52%)5688(Top 479%)
40K24.85 mi0.85 mi12634-16974024-9794024-97925240(Top 99%)10837(Top 99%)10837(Top 913%)
25.2M25.20 mi0.35 mi13215-5814358-3344358-33424735(Top 97%)10657(Top 98%)10657(Top 898%)
Finish26.22 mi1.02 mi13827-6124723-3654723-36522452(Top 88%)9666(Top 88%)9666(Top 814%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9479

Females

1916

F50-54

1916

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9150

Females

1716

F50-54

1716

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9479

Females

1916

F50-54

1916

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9824

Females

2243

F50-54

2243

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

9737

Females

2192

F50-54

2192

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10171

Females

2568

F50-54

2568

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11735

Females

3601

F50-54

3601

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15802

Females

6100

F50-54

6100

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15163

Females

5897

F50-54

5897

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12589

Females

4583

F50-54

4583

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12271

Females

4546

F50-54

4546

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

14477

Females

5688

F50-54

5688

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25240

Females

10837

F50-54

10837

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

24735

Females

10657

F50-54

10657

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

22452

Females

9666

F50-54

9666

Passing Analysis

Category:
Athletes Passed
1152
Passed By
6385
Net Change
-5236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8591
5K → 10K155411-256#8591#8847
10K → 15K136284-148#8847#8995
15K → 20K145327-182#8995#9177
20K → Half3049-19#9177#9196
Half → 25K170289-119#9196#9315
25K → 30K146579-434#9315#9749
30K → 20M39585-548#9749#10297
20M → 21M55372-317#10297#10614
21M → 35K60122-62#10614#10676
35K → 23M131201-70#10676#10746
23M → 24M59250-191#10746#10937
24M → 40K51702-1697#10937#12634
40K → 25.2M3584-581#12634#13215
25.2M → Finish18630-612#13215#13827
TOTALS11526385-5236
📊

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