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BOSTON MARATHON 2024

Cheuk Lam Joyce Li

Bib: 26725•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
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
10:38/mi
33:01
↑ 97↓ 3451.5%
10K· 6.21 mi
11:32/mi
1:08:51
↑ 79↓ 1380.4%
15K· 9.32 mi
11:16/mi
1:43:52
↑ 67↓ 78
20K· 12.43 mi
11:49/mi
2:20:36
↑ 106↓ 860.1%
Half· 13.11 mi
11:08/mi
2:28:12
↑ 19↓ 370.5%
25K· 15.53 mi
12:25/mi
2:58:18
↑ 66↓ 880.2%
30K· 18.64 mi
13:19/mi
3:39:41
↑ 181↓ 1480.2%
20M
13:45/mi
3:58:22
↑ 64↓ 500.2%
21M
16:11/mi
4:14:33
↑ 106↓ 241.6%
35K· 21.75 mi
15:36/mi
4:26:13
↑ 17↓ 861.7%
23M
14:28/mi
4:44:20
↑ 23↓ 630.6%
24M
14:42/mi
4:59:02
↓ 821.3%
40K· 24.85 mi
14:54/mi
5:11:46
↓ 200.3%
25.2M
17:09/mi
5:17:41
↑ 13↓ 160.2%
Finish· 26.22 mi
14:35/mi
5:32:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:12
Pace11:18 /mi
2nd Half
Distance13.11 mi
Time3:04:21
Pace14:04 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0333:0110:3833:01
10:38
-
10K
6.21 mi12:26:531:08:5111:0535:50
11:32
+0:54
15K
9.32 mi13:01:541:43:5211:0935:01
11:16
-0:16
20K
12.43 mi13:38:382:20:3611:1936:44
11:49
+0:33
Half
13.11 mi13:46:142:28:1211:187:36
11:08
-0:41
25K
15.53 mi14:16:202:58:1811:2930:06
12:25
+1:17
30K
18.64 mi14:57:433:39:4111:4741:23
13:19
+0:54
20M
20.00 mi15:16:243:58:2211:5518:41
13:45
+0:26
21M
21.00 mi15:32:354:14:3312:0716:11
16:11
+2:26
35K
21.75 mi15:44:154:26:1312:1411:40
15:36
-0:35
23M
23.00 mi16:02:224:44:2012:2218:07
14:28
-1:08
24M
24.00 mi16:17:044:59:0212:2814:42
14:42
+0:14
40K
24.85 mi16:29:485:11:4612:3312:44
14:54
+0:12
25.2M
25.20 mi16:35:435:17:4112:365:55
17:09
+2:15
Finish
26.22 mi16:50:355:32:3312:4214:52
14:35
-2:34

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

10:38 /mi

Average Pace

12:42 /mi

Slowest Pace

17:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:18

54% of race

Time at Steady Pace

1:47:45

32% of race

Time at Slower Pace

46:30

14% of race

Average Pace: 12:41 /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 mi11:51:0333:0110:3833:01
10:38
#24327
10K
6.21 mi12:26:531:08:5111:0535:50
11:32
#24657
15K
9.32 mi13:01:541:43:5211:0935:01
11:16
#24468
20K
12.43 mi13:38:382:20:3611:1936:44
11:49
#24283
Half
13.11 mi13:46:142:28:1211:187:36
11:08
#24267
25K
15.53 mi14:16:202:58:1811:2930:06
12:25
#24167
30K
18.64 mi14:57:433:39:4111:4741:23
13:19
#24100
20M
20.00 mi15:16:243:58:2211:5518:41
13:45
#24066
21M
21.00 mi15:32:354:14:3312:0716:11
16:11
#24093
35K
21.75 mi15:44:154:26:1312:1411:40
15:36
#24180
23M
23.00 mi16:02:224:44:2012:2218:07
14:28
#24211
24M
24.00 mi16:17:044:59:0212:2814:42
14:42
#24271
40K
24.85 mi16:29:485:11:4612:3312:44
14:54
#24300
25.2M
25.20 mi16:35:435:17:4112:365:55
17:09
#24322
Finish
26.22 mi16:50:355:32:3312:4214:52
14:35
#24423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24327101431014324046(Top 94%)9998(Top 92%)9998(Top 620%)
10K6.21 mi3.10 mi24657-33010356-21310356-21324793(Top 97%)10444(Top 96%)10444(Top 647%)
15K9.32 mi3.11 mi24468+18910228+12810228+12824046(Top 94%)9998(Top 92%)9998(Top 620%)
20K12.43 mi3.11 mi24283+18510134+9410134+9423785(Top 93%)9891(Top 91%)9891(Top 613%)
Half13.11 mi0.68 mi24267+1610128+610128+623719(Top 93%)9900(Top 91%)9900(Top 614%)
25K15.53 mi2.42 mi24167+10010081+4710081+4723642(Top 93%)9882(Top 90%)9882(Top 613%)
30K18.64 mi3.11 mi24100+6710073+810073+823650(Top 93%)9982(Top 91%)9982(Top 619%)
20M20.00 mi1.36 mi24066+3410068+510068+523734(Top 93%)10116(Top 93%)10116(Top 627%)
21M21.00 mi1.00 mi24093-2710090-2210090-2224621(Top 96%)10546(Top 97%)10546(Top 654%)
35K21.75 mi0.75 mi24180-8710148-5810148-5825072(Top 98%)10772(Top 99%)10772(Top 668%)
23M23.00 mi1.25 mi24211-3110177-2910177-2924254(Top 95%)10416(Top 95%)10416(Top 646%)
24M24.00 mi1.00 mi24271-6010210-3310210-3324685(Top 97%)10647(Top 97%)10647(Top 660%)
40K24.85 mi0.85 mi24300-2910232-2210232-2224467(Top 96%)10566(Top 97%)10566(Top 655%)
25.2M25.20 mi0.35 mi24322-2210247-1510247-1524721(Top 97%)10656(Top 98%)10656(Top 661%)
Finish26.22 mi1.02 mi24423-10110319-7210319-7225108(Top 98%)10816(Top 99%)10816(Top 671%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24046

Females

9998

F40-44

9998

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

24793

Females

10444

F40-44

10444

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24046

Females

9998

F40-44

9998

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

23785

Females

9891

F40-44

9891

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23719

Females

9900

F40-44

9900

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

23642

Females

9882

F40-44

9882

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

23650

Females

9982

F40-44

9982

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

23734

Females

10116

F40-44

10116

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

24621

Females

10546

F40-44

10546

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

25072

Females

10772

F40-44

10772

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

24254

Females

10416

F40-44

10416

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

24685

Females

10647

F40-44

10647

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24467

Females

10566

F40-44

10566

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

24721

Females

10656

F40-44

10656

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

25108

Females

10816

F40-44

10816

Passing Analysis

Category:
Athletes Passed
936
Passed By
1032
Net Change
-96
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24327
5K → 10K47377-330#24327#24657
10K → 15K22233+189#24657#24468
15K → 20K20419+185#24468#24283
20K → Half2711+16#24283#24267
Half → 25K13232+100#24267#24167
25K → 30K13265+67#24167#24100
30K → 20M5521+34#24100#24066
20M → 21M3057-27#24066#24093
21M → 35K693-87#24093#24180
35K → 23M3970-31#24180#24211
23M → 24M1373-60#24211#24271
24M → 40K1443-29#24271#24300
40K → 25.2M527-22#24300#24322
25.2M → Finish10111-101#24322#24423
TOTALS9361032-96
📊

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