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BOSTON MARATHON 2024

Jeffrey Chen

Bib: 4327•M

TX

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 48%
Division (M18-39)
#0 / 4849
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
6:52/mi
21:20
↑ 97↓ 3451.5%
10K· 6.21 mi
6:59/mi
43:02
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:04:40
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:27:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:32:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:50:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:15:41
↑ 181↓ 1480.2%
20M
8:56/mi
2:27:50
↑ 64↓ 500.2%
21M
9:34/mi
2:37:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:04/mi
2:44:11
↑ 17↓ 861.7%
23M
10:49/mi
2:57:43
↑ 23↓ 630.6%
24M
10:35/mi
3:08:18
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:16:47
↓ 200.3%
25.2M
10:12/mi
3:20:18
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
3:29:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:05
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:57:38
Pace8:58 /mi
📊Positive Split: 27.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2521:206:5221:20
6:52
-
10K
6.21 mi10:46:0743:026:5621:42
6:59
+0:07
15K
9.32 mi11:07:451:04:406:5621:38
6:58
-0:01
20K
12.43 mi11:30:221:27:177:0122:37
7:17
+0:19
Half
13.11 mi11:35:101:32:057:014:48
7:02
-0:15
25K
15.53 mi11:53:211:50:167:0618:11
7:30
+0:28
30K
18.64 mi12:18:462:15:417:1725:25
8:11
+0:41
20M
20.00 mi12:30:552:27:507:2312:09
8:56
+0:45
21M
21.00 mi12:40:292:37:247:309:34
9:34
+0:38
35K
21.75 mi12:47:162:44:117:336:47
9:04
-0:30
23M
23.00 mi13:00:482:57:437:4413:32
10:49
+1:45
24M
24.00 mi13:11:233:08:187:5110:35
10:35
-0:14
40K
24.85 mi13:19:523:16:477:558:29
9:55
-0:40
25.2M
25.20 mi13:23:233:20:187:573:31
10:12
+0:17
Finish
26.22 mi13:32:483:29:438:009:25
9:14
-0:58

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

6:52 /mi

Average Pace

8:00 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:41

65% of race

Time at Steady Pace

37:55

18% of race

Time at Slower Pace

36:07

17% of race

Average Pace: 8:00 /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 mi10:24:2521:206:5221:20
6:52
#6169
10K
6.21 mi10:46:0743:026:5621:42
6:59
#6346
15K
9.32 mi11:07:451:04:406:5621:38
6:58
#6195
20K
12.43 mi11:30:221:27:177:0122:37
7:17
#6327
Half
13.11 mi11:35:101:32:057:014:48
7:02
#6291
25K
15.53 mi11:53:211:50:167:0618:11
7:30
#6319
30K
18.64 mi12:18:462:15:417:1725:25
8:11
#6668
20M
20.00 mi12:30:552:27:507:2312:09
8:56
#7014
21M
21.00 mi12:40:292:37:247:309:34
9:34
#7201
35K
21.75 mi12:47:162:44:117:336:47
9:04
#7415
23M
23.00 mi13:00:482:57:437:4413:32
10:49
#8235
24M
24.00 mi13:11:233:08:187:5110:35
10:35
#8825
40K
24.85 mi13:19:523:16:477:558:29
9:55
#9114
25.2M
25.20 mi13:23:233:20:187:573:31
10:12
#9169
Finish
26.22 mi13:32:483:29:438:009:25
9:14
#9500
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6169557955795999(Top 23%)5382(Top 37%)5382(Top 111%)
10K6.21 mi3.10 mi6346-1775681-1025681-1026565(Top 26%)5812(Top 40%)5812(Top 120%)
15K9.32 mi3.11 mi6195+1515571+1105571+1105999(Top 23%)5382(Top 37%)5382(Top 111%)
20K12.43 mi3.11 mi6327-1325632-615632-616859(Top 27%)5904(Top 40%)5904(Top 122%)
Half13.11 mi0.68 mi6291+365594+385594+385991(Top 23%)5331(Top 37%)5331(Top 110%)
25K15.53 mi2.42 mi6319-285583+115583+116966(Top 27%)5798(Top 40%)5798(Top 120%)
30K18.64 mi3.11 mi6668-3495776-1935776-1938894(Top 35%)6715(Top 46%)6715(Top 138%)
20M20.00 mi1.36 mi7014-3465969-1935969-19311786(Top 46%)7851(Top 54%)7851(Top 162%)
21M21.00 mi1.00 mi7201-1876037-686037-6811132(Top 44%)7290(Top 50%)7290(Top 150%)
35K21.75 mi0.75 mi7415-2146129-926129-9213593(Top 53%)8442(Top 58%)8442(Top 174%)
23M23.00 mi1.25 mi8235-8206526-3976526-39717855(Top 70%)10477(Top 72%)10477(Top 216%)
24M24.00 mi1.00 mi8825-5906811-2856811-28518075(Top 71%)10537(Top 72%)10537(Top 217%)
40K24.85 mi0.85 mi9114-2896911-1006911-10014700(Top 58%)8790(Top 60%)8790(Top 181%)
25.2M25.20 mi0.35 mi9169-556916-56916-511661(Top 46%)7204(Top 49%)7204(Top 149%)
Finish26.22 mi1.02 mi9500-3317059-1437059-14315292(Top 60%)9111(Top 62%)9111(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

5999

Males

5382

M18-39

5382

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6565

Males

5812

M18-39

5812

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

5999

Males

5382

M18-39

5382

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6859

Males

5904

M18-39

5904

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

5991

Males

5331

M18-39

5331

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

6966

Males

5798

M18-39

5798

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

8894

Males

6715

M18-39

6715

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11786

Males

7851

M18-39

7851

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11132

Males

7290

M18-39

7290

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

13593

Males

8442

M18-39

8442

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

17855

Males

10477

M18-39

10477

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18075

Males

10537

M18-39

10537

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14700

Males

8790

M18-39

8790

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11661

Males

7204

M18-39

7204

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15292

Males

9111

M18-39

9111

Passing Analysis

Category:
Athletes Passed
1055
Passed By
4386
Net Change
-3331
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6169
5K → 10K118295-177#6169#6346
10K → 15K22170+151#6346#6195
15K → 20K128260-132#6195#6327
20K → Half5216+36#6327#6291
Half → 25K134162-28#6291#6319
25K → 30K119468-349#6319#6668
30K → 20M48394-346#6668#7014
20M → 21M67254-187#7014#7201
21M → 35K42256-214#7201#7415
35K → 23M23843-820#7415#8235
23M → 24M13603-590#8235#8825
24M → 40K35324-289#8825#9114
40K → 25.2M3388-55#9114#9169
25.2M → Finish22353-331#9169#9500
TOTALS10554386-3331
📊

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