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BOSTON MARATHON 2024

Jing Li-Selleck

GA

Bib: 30310 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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:11/mi
34:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:32/mi
1:10:37
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:35/mi
1:46:36
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:27/mi
2:22:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:57/mi
2:29:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:39/mi
2:57:52
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:50/mi
3:34:38
↑ 181↓ 1480.2%
138 ft elev
20M
11:35/mi
3:50:22
↑ 64↓ 500.2%
148 ft elev
21M
11:47/mi
4:02:09
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:10/mi
4:10:30
↑ 17↓ 861.7%
156 ft elev
23M
12:10/mi
4:25:44
↑ 23↓ 630.6%
116 ft elev
24M
11:22/mi
4:37:06
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:49/mi
4:46:21
↓ 200.3%
20 ft elev
25.2M
11:59/mi
4:50:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:36/mi
5:00:16
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:29:37
Pace11:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:30:39
Pace11:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:1234:4611:1134:46
11:11
-
10K
6.21 mi12:37:031:10:3711:2235:51
11:32
+0:21
15K
9.32 mi13:13:021:46:3611:2635:59
11:35
+0:03
20K
12.43 mi13:48:352:22:0911:2635:33
11:27
-0:08
Half
13.11 mi13:56:032:29:3711:257:28
10:57
-0:30
25K
15.53 mi14:24:182:57:5211:2728:15
11:39
+0:42
30K
18.64 mi15:01:043:34:3811:3136:46
11:50
+0:11
20M
20.00 mi15:16:483:50:2211:3115:44
11:35
-0:15
21M
21.00 mi15:28:354:02:0911:3211:47
11:47
+0:12
35K
21.75 mi15:36:564:10:3011:318:21
11:10
-0:37
23M
23.00 mi15:52:104:25:4411:3315:14
12:10
+1:00
24M
24.00 mi16:03:324:37:0611:3311:22
11:22
-0:48
40K
24.85 mi16:12:474:46:2111:319:15
10:49
-0:33
25.2M
25.20 mi16:16:554:50:2911:324:08
11:59
+1:10
Finish
26.22 mi16:26:425:00:1611:289:47
9:36
-2:23

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

9:36 /mi

Average Pace

11:28 /mi

Slowest Pace

12:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:37

23% of race

Time at Steady Pace

2:54:31

58% of race

Time at Slower Pace

56:08

19% of race

Average Pace: 11:27 /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 mi12:01:1234:4611:1134:46
11:11
#24996
10K
6.21 mi12:37:031:10:3711:2235:51
11:32
#24926
15K
9.32 mi13:13:021:46:3611:2635:59
11:35
#24775
20K
12.43 mi13:48:352:22:0911:2635:33
11:27
#24439
Half
13.11 mi13:56:032:29:3711:257:28
10:57
#24392
25K
15.53 mi14:24:182:57:5211:2728:15
11:39
#24128
30K
18.64 mi15:01:043:34:3811:3136:46
11:50
#23774
20M
20.00 mi15:16:483:50:2211:3115:44
11:35
#23585
21M
21.00 mi15:28:354:02:0911:3211:47
11:47
#23345
35K
21.75 mi15:36:564:10:3011:318:21
11:10
#23250
23M
23.00 mi15:52:104:25:4411:3315:14
12:10
#23161
24M
24.00 mi16:03:324:37:0611:3311:22
11:22
#23074
40K
24.85 mi16:12:474:46:2111:319:15
10:49
#22965
25.2M
25.20 mi16:16:554:50:2911:324:08
11:59
#22907
Finish
26.22 mi16:26:425:00:1611:289:47
9:36
#22785
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24996105681056824369(Top 95%)10189(Top 93%)10189(Top 632%)
10K6.21 mi3.10 mi24926+7010515+5310515+5324794(Top 97%)10445(Top 96%)10445(Top 648%)
15K9.32 mi3.11 mi24775+15110428+8710428+8724369(Top 95%)10189(Top 93%)10189(Top 632%)
20K12.43 mi3.11 mi24439+33610228+20010228+20023316(Top 91%)9619(Top 88%)9619(Top 596%)
Half13.11 mi0.68 mi24392+4710206+2210206+2223435(Top 92%)9740(Top 89%)9740(Top 604%)
25K15.53 mi2.42 mi24128+26410055+15110055+15122655(Top 89%)9356(Top 86%)9356(Top 580%)
30K18.64 mi3.11 mi23774+3549893+1629893+16221642(Top 85%)8977(Top 82%)8977(Top 557%)
20M20.00 mi1.36 mi23585+1899805+889805+8820581(Top 81%)8528(Top 78%)8528(Top 529%)
21M21.00 mi1.00 mi23345+2409712+939712+9318330(Top 72%)7498(Top 69%)7498(Top 465%)
35K21.75 mi0.75 mi23250+959668+449668+4420164(Top 79%)8434(Top 77%)8434(Top 523%)
23M23.00 mi1.25 mi23161+899646+229646+2221106(Top 83%)8941(Top 82%)8941(Top 554%)
24M24.00 mi1.00 mi23074+879612+349612+3420149(Top 79%)8513(Top 78%)8513(Top 528%)
40K24.85 mi0.85 mi22965+1099562+509562+5017638(Top 69%)7343(Top 67%)7343(Top 455%)
25.2M25.20 mi0.35 mi22907+589528+349528+3417371(Top 68%)7240(Top 66%)7240(Top 449%)
Finish26.22 mi1.02 mi22785+1229477+519477+5116974(Top 66%)7000(Top 64%)7000(Top 434%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

24369

Females

10189

F40-44

10189

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

24794

Females

10445

F40-44

10445

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

24369

Females

10189

F40-44

10189

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23316

Females

9619

F40-44

9619

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

23435

Females

9740

F40-44

9740

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

22655

Females

9356

F40-44

9356

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

21642

Females

8977

F40-44

8977

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

20581

Females

8528

F40-44

8528

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

18330

Females

7498

F40-44

7498

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20164

Females

8434

F40-44

8434

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

21106

Females

8941

F40-44

8941

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20149

Females

8513

F40-44

8513

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17638

Females

7343

F40-44

7343

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17371

Females

7240

F40-44

7240

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

16974

Females

7000

F40-44

7000

Passing Analysis

Category:
Athletes Passed
2321
Passed By
110
Net Change
+2211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24996
5K → 10K13969+70#24996#24926
10K → 15K16312+151#24926#24775
15K → 20K3415+336#24775#24439
20K → Half492+47#24439#24392
Half → 25K2651+264#24392#24128
25K → 30K3573+354#24128#23774
30K → 20M1923+189#23774#23585
20M → 21M2400+240#23585#23345
21M → 35K961+95#23345#23250
35K → 23M978+89#23250#23161
23M → 24M925+87#23161#23074
24M → 40K1090+109#23074#22965
40K → 25.2M580+58#22965#22907
25.2M → Finish1231+122#22907#22785
TOTALS2321110+2211
📊

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