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BOSTON MARATHON 2024

Ling Li Ding

Bib: 12050•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Female)
#0 / 10924
Top 31%
Masters (Masters Women)
#0 / 6263
Top 19%
Division (F50-54)
#0 / 1187
Top 13%
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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:36
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:40:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:45:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:05:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:32:42
↑ 181↓ 1480.2%
20M
8:51/mi
2:44:43
↑ 64↓ 500.2%
21M
9:08/mi
2:53:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:00:12
↑ 17↓ 861.7%
23M
8:41/mi
3:11:04
↑ 23↓ 630.6%
24M
8:24/mi
3:19:28
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:26:37
↓ 200.3%
25.2M
9:11/mi
3:29:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:37:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:51:55
Pace8:32 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2025:258:1125:25
8:11
-
10K
6.21 mi11:20:2950:348:0825:09
8:06
-0:05
15K
9.32 mi11:45:311:15:368:0725:02
8:03
-0:03
20K
12.43 mi12:10:261:40:318:0524:55
8:01
-0:02
Half
13.11 mi12:15:501:45:558:055:24
7:55
-0:06
25K
15.53 mi12:35:512:05:568:0620:01
8:15
+0:20
30K
18.64 mi13:02:372:32:428:1126:46
8:37
+0:22
20M
20.00 mi13:14:382:44:438:1412:01
8:51
+0:14
21M
21.00 mi13:23:462:53:518:179:08
9:08
+0:17
35K
21.75 mi13:30:073:00:128:176:21
8:29
-0:39
23M
23.00 mi13:40:593:11:048:1810:52
8:41
+0:12
24M
24.00 mi13:49:233:19:288:198:24
8:24
-0:17
40K
24.85 mi13:56:323:26:378:197:09
8:22
-0:02
25.2M
25.20 mi13:59:423:29:478:193:10
9:11
+0:49
Finish
26.22 mi14:07:453:37:508:198:03
7:54
-1:17

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

7:54 /mi

Average Pace

8:19 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:31

89% of race

Time at Steady Pace

24:19

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:18 /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 mi10:55:2025:258:1125:25
8:11
#15913
10K
6.21 mi11:20:2950:348:0825:09
8:06
#15378
15K
9.32 mi11:45:311:15:368:0725:02
8:03
#14788
20K
12.43 mi12:10:261:40:318:0524:55
8:01
#13992
Half
13.11 mi12:15:501:45:558:055:24
7:55
#13887
25K
15.53 mi12:35:512:05:568:0620:01
8:15
#13464
30K
18.64 mi13:02:372:32:428:1126:46
8:37
#12914
20M
20.00 mi13:14:382:44:438:1412:01
8:51
#12738
21M
21.00 mi13:23:462:53:518:179:08
9:08
#12483
35K
21.75 mi13:30:073:00:128:176:21
8:29
#12384
23M
23.00 mi13:40:593:11:048:1810:52
8:41
#12146
24M
24.00 mi13:49:233:19:288:198:24
8:24
#11974
40K
24.85 mi13:56:323:26:378:197:09
8:22
#11755
25.2M
25.20 mi13:59:423:29:478:193:10
9:11
#11656
Finish
26.22 mi14:07:453:37:508:198:03
7:54
#11452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi159135511551113836(Top 54%)4262(Top 39%)4262(Top 359%)
10K6.21 mi3.10 mi15378+5355170+3415170+34114835(Top 58%)4832(Top 44%)4832(Top 407%)
15K9.32 mi3.11 mi14788+5904811+3594811+35913836(Top 54%)4262(Top 39%)4262(Top 359%)
20K12.43 mi3.11 mi13992+7964357+4544357+45411984(Top 47%)3311(Top 30%)3311(Top 279%)
Half13.11 mi0.68 mi13887+1054293+644293+6412194(Top 48%)3432(Top 31%)3432(Top 289%)
25K15.53 mi2.42 mi13464+4234068+2254068+22511724(Top 46%)3353(Top 31%)3353(Top 282%)
30K18.64 mi3.11 mi12914+5503859+2093859+20911259(Top 44%)3322(Top 30%)3322(Top 280%)
20M20.00 mi1.36 mi12738+1763820+393820+3911310(Top 44%)3651(Top 33%)3651(Top 308%)
21M21.00 mi1.00 mi12483+2553736+843736+849216(Top 36%)2805(Top 26%)2805(Top 236%)
35K21.75 mi0.75 mi12384+993728+83728+810700(Top 42%)3588(Top 33%)3588(Top 302%)
23M23.00 mi1.25 mi12146+2383656+723656+729459(Top 37%)3115(Top 29%)3115(Top 262%)
24M24.00 mi1.00 mi11974+1723607+493607+498879(Top 35%)2895(Top 27%)2895(Top 244%)
40K24.85 mi0.85 mi11755+2193536+713536+717700(Top 30%)2470(Top 23%)2470(Top 208%)
25.2M25.20 mi0.35 mi11656+993505+313505+317482(Top 29%)2431(Top 22%)2431(Top 205%)
Finish26.22 mi1.02 mi11452+2043436+693436+697969(Top 31%)2569(Top 24%)2569(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

13836

Females

4262

F50-54

4262

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

14835

Females

4832

F50-54

4832

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

13836

Females

4262

F50-54

4262

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

11984

Females

3311

F50-54

3311

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12194

Females

3432

F50-54

3432

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11724

Females

3353

F50-54

3353

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11259

Females

3322

F50-54

3322

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11310

Females

3651

F50-54

3651

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9216

Females

2805

F50-54

2805

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10700

Females

3588

F50-54

3588

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9459

Females

3115

F50-54

3115

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

8879

Females

2895

F50-54

2895

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7700

Females

2470

F50-54

2470

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7482

Females

2431

F50-54

2431

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7969

Females

2569

F50-54

2569

Passing Analysis

Category:
Athletes Passed
4840
Passed By
379
Net Change
+4461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15913
5K → 10K63297+535#15913#15378
10K → 15K62030+590#15378#14788
15K → 20K8026+796#14788#13992
20K → Half1138+105#13992#13887
Half → 25K45229+423#13887#13464
25K → 30K60858+550#13464#12914
30K → 20M22145+176#12914#12738
20M → 21M27419+255#12738#12483
21M → 35K12223+99#12483#12384
35K → 23M26628+238#12384#12146
23M → 24M18614+172#12146#11974
24M → 40K2256+219#11974#11755
40K → 25.2M1045+99#11755#11656
25.2M → Finish21511+204#11656#11452
TOTALS4840379+4461
📊

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