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BOSTON MARATHON 2024

Ling Chu

Bib: 14710•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 24%
Masters (Masters Women)
#0 / 6263
Top 12%
Division (F50-54)
#0 / 1187
Top 7%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #11568
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
47:04
Rank: #11105 (+463)
5K → 10K
23:27 | 7:33/mi
15K· 9.32 mi
1:10:51
Rank: #10976 (+129)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:35:32
Rank: #11069 (-93)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:40:51
Rank: #11074 (-5)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:00:12
Rank: #10830 (+244)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:25:56
Rank: #10458 (+372)
25K → 30K
25:44 | 8:17/mi
20M
2:37:13
Rank: #10231 (+227)
30K → 20M
11:17 | 8:18/mi
21M
2:46:28
Rank: #10131 (+100)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:52:39
Rank: #10078 (+53)
21M → 35K
6:11 | 8:16/mi
23M
3:03:18
Rank: #9918 (+160)
35K → 23M
10:39 | 8:30/mi
24M
3:11:36
Rank: #9801 (+117)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:19:06
Rank: #9792 (+9)
24M → 40K
7:30 | 8:46/mi
25.2M
3:22:36
Rank: #9819 (-27)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:31:38
Rank: #9952 (-133)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:50:47
Pace8:27 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3123:377:3623:37
7:36
-
10K
6.21 mi11:18:5847:047:3423:27
7:33
-0:03
15K
9.32 mi11:42:451:10:517:3623:47
7:39
+0:06
20K
12.43 mi12:07:261:35:327:4124:41
7:57
+0:18
Half
13.11 mi12:12:451:40:517:425:19
7:48
-0:09
25K
15.53 mi12:32:062:00:127:4419:21
7:59
+0:11
30K
18.64 mi12:57:502:25:567:5025:44
8:17
+0:18
20M
20.00 mi13:09:072:37:137:5211:17
8:18
+0:01
21M
21.00 mi13:18:222:46:287:569:15
9:15
+0:57
35K
21.75 mi13:24:332:52:397:566:11
8:16
-0:59
23M
23.00 mi13:35:123:03:187:5810:39
8:30
+0:14
24M
24.00 mi13:43:303:11:367:598:18
8:18
-0:12
40K
24.85 mi13:51:003:19:068:017:30
8:46
+0:28
25.2M
25.20 mi13:54:303:22:368:023:30
10:09
+1:23
Finish
26.22 mi14:03:323:31:388:059:02
8:52
-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

7:33 /mi

Average Pace

8:05 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:10

36% of race

Time at Steady Pace

1:46:11

50% of race

Time at Slower Pace

29:17

14% 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 mi10:55:3123:377:3623:37
7:36
#11568
10K
6.21 mi11:18:5847:047:3423:27
7:33
#11105
15K
9.32 mi11:42:451:10:517:3623:47
7:39
#10976
20K
12.43 mi12:07:261:35:327:4124:41
7:57
#11069
Half
13.11 mi12:12:451:40:517:425:19
7:48
#11074
25K
15.53 mi12:32:062:00:127:4419:21
7:59
#10830
30K
18.64 mi12:57:502:25:567:5025:44
8:17
#10458
20M
20.00 mi13:09:072:37:137:5211:17
8:18
#10231
21M
21.00 mi13:18:222:46:287:569:15
9:15
#10131
35K
21.75 mi13:24:332:52:397:566:11
8:16
#10078
23M
23.00 mi13:35:123:03:187:5810:39
8:30
#9918
24M
24.00 mi13:43:303:11:367:598:18
8:18
#9801
40K
24.85 mi13:51:003:19:068:017:30
8:46
#9792
25.2M
25.20 mi13:54:303:22:368:023:30
10:09
#9819
Finish
26.22 mi14:03:323:31:388:059:02
8:52
#9952
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi115682891289110871(Top 43%)2619(Top 24%)2619(Top 221%)
10K6.21 mi3.10 mi11105+4632663+2282663+22810676(Top 42%)2461(Top 23%)2461(Top 207%)
15K9.32 mi3.11 mi10976+1292624+392624+3910871(Top 43%)2619(Top 24%)2619(Top 221%)
20K12.43 mi3.11 mi11069-932702-782702-7811450(Top 45%)3035(Top 28%)3035(Top 256%)
Half13.11 mi0.68 mi11074-52707-52707-511315(Top 44%)2960(Top 27%)2960(Top 249%)
25K15.53 mi2.42 mi10830+2442641+662641+6610089(Top 39%)2528(Top 23%)2528(Top 213%)
30K18.64 mi3.11 mi10458+3722550+912550+919473(Top 37%)2445(Top 22%)2445(Top 206%)
20M20.00 mi1.36 mi10231+2272501+492501+498424(Top 33%)2200(Top 20%)2200(Top 185%)
21M21.00 mi1.00 mi10131+1002498+32498+39723(Top 38%)3068(Top 28%)3068(Top 258%)
35K21.75 mi0.75 mi10078+532508-102508-109384(Top 37%)2906(Top 27%)2906(Top 245%)
23M23.00 mi1.25 mi9918+1602494+142494+148531(Top 33%)2636(Top 24%)2636(Top 222%)
24M24.00 mi1.00 mi9801+1172478+162478+168320(Top 33%)2640(Top 24%)2640(Top 222%)
40K24.85 mi0.85 mi9792+92507-292507-299746(Top 38%)3440(Top 31%)3440(Top 290%)
25.2M25.20 mi0.35 mi9819-272538-312538-3111541(Top 45%)4345(Top 40%)4345(Top 366%)
Finish26.22 mi1.02 mi9952-1332652-1142652-11413526(Top 53%)5231(Top 48%)5231(Top 441%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

10871

Females

2619

F50-54

2619

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10676

Females

2461

F50-54

2461

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

10871

Females

2619

F50-54

2619

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11450

Females

3035

F50-54

3035

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11315

Females

2960

F50-54

2960

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10089

Females

2528

F50-54

2528

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9473

Females

2445

F50-54

2445

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8424

Females

2200

F50-54

2200

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9723

Females

3068

F50-54

3068

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9384

Females

2906

F50-54

2906

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8531

Females

2636

F50-54

2636

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8320

Females

2640

F50-54

2640

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9746

Females

3440

F50-54

3440

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11541

Females

4345

F50-54

4345

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

13526

Females

5231

F50-54

5231

Passing Analysis

Category:
Athletes Passed
2946*
Passed By
1328
Net Change
+1616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11568
5K → 10K55289+463#11568#11105
10K → 15K270141+129#11105#10976
15K → 20K190283-93#10976#11069
20K → Half3136-5#11069#11074
Half → 25K34096+244#11074#10830
25K → 30K474102+372#10830#10458
30K → 20M26740+227#10458#10231
20M → 21M18281+100#10231#10131
21M → 35K10249+53#10131#10078
35K → 23M217*57+160#10078#9918
23M → 24M155*38+117#9918#9801
24M → 40K8273+9#9801#9792
40K → 25.2M3764-27#9792#9819
25.2M → Finish47179-133#9819#9952
TOTALS2946*1328+1616

* 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