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BOSTON MARATHON 2024

Jian-Ri Li

Bib: 13389•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
45:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:09:27
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:33:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
1:58:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:24:29
↑ 181↓ 1480.2%
20M
10:12/mi
2:38:21
↑ 64↓ 500.2%
21M
9:20/mi
2:47:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
2:53:53
↑ 17↓ 861.7%
23M
11:30/mi
3:08:17
↑ 23↓ 630.6%
24M
12:13/mi
3:20:30
↓ 821.3%
40K· 24.85 mi
12:40/mi
3:31:20
↓ 200.3%
25.2M
11:24/mi
3:35:16
↑ 13↓ 160.2%
Finish· 26.22 mi
11:26/mi
3:46:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time2:07:47
Pace9:45 /mi
📊Positive Split: 28.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0522:527:2222:52
7:22
-
10K
6.21 mi11:16:0645:537:2323:01
7:25
+0:03
15K
9.32 mi11:39:401:09:277:2723:34
7:35
+0:10
20K
12.43 mi12:04:121:33:597:3424:32
7:54
+0:19
Half
13.11 mi12:09:211:39:087:345:09
7:33
-0:21
25K
15.53 mi12:28:291:58:167:3719:08
7:53
+0:20
30K
18.64 mi12:54:422:24:297:4526:13
8:26
+0:33
20M
20.00 mi13:08:342:38:217:5513:52
10:12
+1:46
21M
21.00 mi13:17:542:47:417:599:20
9:20
-0:52
35K
21.75 mi13:24:062:53:538:006:12
8:17
-1:03
23M
23.00 mi13:38:303:08:178:1114:24
11:30
+3:13
24M
24.00 mi13:50:433:20:308:2112:13
12:13
+0:43
40K
24.85 mi14:01:333:31:208:3010:50
12:40
+0:27
25.2M
25.20 mi14:05:293:35:168:333:56
11:24
-1:16
Finish
26.22 mi14:17:083:46:558:4011:39
11:26
+0:02

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

7:22 /mi

Average Pace

8:40 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:53

20% of race

Time at Steady Pace

1:54:08

50% of race

Time at Slower Pace

1:06:54

29% of race

Average Pace: 8:39 /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 mi10:53:0522:527:2222:52
7:22
#9638
10K
6.21 mi11:16:0645:537:2323:01
7:25
#9507
15K
9.32 mi11:39:401:09:277:2723:34
7:35
#9753
20K
12.43 mi12:04:121:33:597:3424:32
7:54
#10116
Half
13.11 mi12:09:211:39:087:345:09
7:33
#10088
25K
15.53 mi12:28:291:58:167:3719:08
7:53
#9885
30K
18.64 mi12:54:422:24:297:4526:13
8:26
#9913
20M
20.00 mi13:08:342:38:217:5513:52
10:12
#10605
21M
21.00 mi13:17:542:47:417:599:20
9:20
#10524
35K
21.75 mi13:24:062:53:538:006:12
8:17
#10453
23M
23.00 mi13:38:303:08:178:1114:24
11:30
#11357
24M
24.00 mi13:50:433:20:308:2112:13
12:13
#12221
40K
24.85 mi14:01:333:31:208:3010:50
12:40
#12927
25.2M
25.20 mi14:05:293:35:168:333:56
11:24
#12996
Finish
26.22 mi14:17:083:46:558:4011:39
11:26
#13571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi96387763776310321(Top 40%)7960(Top 55%)7960(Top 411%)
10K6.21 mi3.10 mi9507+1317663+1007663+1009492(Top 37%)7604(Top 52%)7604(Top 393%)
15K9.32 mi3.11 mi9753-2467760-977760-9710321(Top 40%)7960(Top 55%)7960(Top 411%)
20K12.43 mi3.11 mi10116-3637885-1257885-12511104(Top 43%)8215(Top 56%)8215(Top 425%)
Half13.11 mi0.68 mi10088+287861+247861+249479(Top 37%)7432(Top 51%)7432(Top 384%)
25K15.53 mi2.42 mi9885+2037695+1667695+1669479(Top 37%)7234(Top 50%)7234(Top 374%)
30K18.64 mi3.11 mi9913-287618+777618+7710323(Top 40%)7443(Top 51%)7443(Top 385%)
20M20.00 mi1.36 mi10605-6927903-2857903-28517126(Top 67%)10312(Top 71%)10312(Top 533%)
21M21.00 mi1.00 mi10524+817803+1007803+10010107(Top 40%)6803(Top 47%)6803(Top 352%)
35K21.75 mi0.75 mi10453+717736+677736+679489(Top 37%)6520(Top 45%)6520(Top 337%)
23M23.00 mi1.25 mi11357-9048102-3668102-36619632(Top 77%)11378(Top 78%)11378(Top 588%)
24M24.00 mi1.00 mi12221-8648443-3418443-34121855(Top 86%)12440(Top 85%)12440(Top 643%)
40K24.85 mi0.85 mi12927-7068715-2728715-27221697(Top 85%)12332(Top 85%)12332(Top 637%)
25.2M25.20 mi0.35 mi12996-698726-118726-1115742(Top 62%)9294(Top 64%)9294(Top 480%)
Finish26.22 mi1.02 mi13571-5758953-2278953-22722286(Top 87%)12654(Top 87%)12654(Top 654%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10321

Males

7960

M50-54

7960

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9492

Males

7604

M50-54

7604

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10321

Males

7960

M50-54

7960

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11104

Males

8215

M50-54

8215

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9479

Males

7432

M50-54

7432

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9479

Males

7234

M50-54

7234

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10323

Males

7443

M50-54

7443

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17126

Males

10312

M50-54

10312

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10107

Males

6803

M50-54

6803

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9489

Males

6520

M50-54

6520

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19632

Males

11378

M50-54

11378

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

21855

Males

12440

M50-54

12440

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21697

Males

12332

M50-54

12332

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15742

Males

9294

M50-54

9294

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

22286

Males

12654

M50-54

12654

Passing Analysis

Category:
Athletes Passed
1599
Passed By
5527
Net Change
-3933
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9638
5K → 10K310179+131#9638#9507
10K → 15K134380-246#9507#9753
15K → 20K128489-363#9753#10116
20K → Half5325+28#10116#10088
Half → 25K30299+203#10088#9885
25K → 30K270297-28#9885#9913
30K → 20M29719-692#9913#10605
20M → 21M17392+81#10605#10524
21M → 35K10332+71#10524#10453
35K → 23M27931-904#10453#11357
23M → 24M12876-864#11357#12221
24M → 40K13719-706#12221#12927
40K → 25.2M2796-69#12927#12996
25.2M → Finish18593-575#12996#13571
TOTALS15995527-3933
📊

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