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BOSTON MARATHON 2024

Fred Chen

Bib: 5267•M

HI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 10%
Gender (Male)
#0 / 14578
Top 17%
Division (M18-39)
#0 / 4849
Top 37%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #4544
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:23
Rank: #4230 (+314)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:05
Rank: #3996 (+234)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:22:57
Rank: #3755 (+241)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:27:28
Rank: #3736 (+19)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:44
Rank: #3488 (+248)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:05:04
Rank: #3136 (+352)
25K → 30K
21:20 | 6:52/mi
20M
2:14:17
Rank: #2939 (+197)
30K → 20M
9:13 | 6:47/mi
21M
2:21:38
Rank: #2802 (+137)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:26:42
Rank: #2728 (+74)
21M → 35K
5:04 | 6:46/mi
23M
2:35:41
Rank: #2664 (+64)
35K → 23M
8:59 | 7:10/mi
24M
2:42:48
Rank: #2648 (+16)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:49:04
Rank: #2636 (+12)
24M → 40K
6:16 | 7:20/mi
25.2M
2:51:52
Rank: #2627 (+9)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:59:02
Rank: #2651 (-24)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:28
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:31:34
Pace6:59 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0220:436:4020:43
6:40
-
10K
6.21 mi10:45:4241:236:4020:40
6:39
-0:01
15K
9.32 mi11:06:241:02:056:4020:42
6:40
+0:01
20K
12.43 mi11:27:161:22:576:4020:52
6:43
+0:03
Half
13.11 mi11:31:471:27:286:404:31
6:37
-0:06
25K
15.53 mi11:48:031:43:446:4116:16
6:43
+0:06
30K
18.64 mi12:09:232:05:046:4321:20
6:52
+0:09
20M
20.00 mi12:18:362:14:176:439:13
6:47
-0:05
21M
21.00 mi12:25:572:21:386:457:21
7:21
+0:34
35K
21.75 mi12:31:012:26:426:455:04
6:46
-0:35
23M
23.00 mi12:40:002:35:416:468:59
7:10
+0:24
24M
24.00 mi12:47:072:42:486:477:07
7:07
-0:03
40K
24.85 mi12:53:232:49:046:486:16
7:20
+0:13
25.2M
25.20 mi12:56:112:51:526:492:48
8:07
+0:47
Finish
26.22 mi13:03:212:59:026:507:10
7:02
-1:05

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

6:37 /mi

Average Pace

6:50 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:19:21

78% of race

Time at Slower Pace

39:41

22% of race

Average Pace: 6:50 /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 mi10:25:0220:436:4020:43
6:40
#4544
10K
6.21 mi10:45:4241:236:4020:40
6:39
#4230
15K
9.32 mi11:06:241:02:056:4020:42
6:40
#3996
20K
12.43 mi11:27:161:22:576:4020:52
6:43
#3755
Half
13.11 mi11:31:471:27:286:404:31
6:37
#3736
25K
15.53 mi11:48:031:43:446:4116:16
6:43
#3488
30K
18.64 mi12:09:232:05:046:4321:20
6:52
#3136
20M
20.00 mi12:18:362:14:176:439:13
6:47
#2939
21M
21.00 mi12:25:572:21:386:457:21
7:21
#2802
35K
21.75 mi12:31:012:26:426:455:04
6:46
#2728
23M
23.00 mi12:40:002:35:416:468:59
7:10
#2664
24M
24.00 mi12:47:072:42:486:477:07
7:07
#2648
40K
24.85 mi12:53:232:49:046:486:16
7:20
#2636
25.2M
25.20 mi12:56:112:51:526:492:48
8:07
#2627
Finish
26.22 mi13:03:212:59:026:507:10
7:02
#2651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4544424942493655(Top 14%)3454(Top 24%)3454(Top 71%)
10K6.21 mi3.10 mi4230+3143983+2663983+2663955(Top 15%)3723(Top 26%)3723(Top 77%)
15K9.32 mi3.11 mi3996+2343769+2143769+2143655(Top 14%)3454(Top 24%)3454(Top 71%)
20K12.43 mi3.11 mi3755+2413556+2133556+2133307(Top 13%)3135(Top 22%)3135(Top 65%)
Half13.11 mi0.68 mi3736+193539+173539+173264(Top 13%)3098(Top 21%)3098(Top 64%)
25K15.53 mi2.42 mi3488+2483306+2333306+2332689(Top 11%)2547(Top 17%)2547(Top 53%)
30K18.64 mi3.11 mi3136+3522972+3342972+3342213(Top 9%)2092(Top 14%)2092(Top 43%)
20M20.00 mi1.36 mi2939+1972786+1862786+1861555(Top 6%)1474(Top 10%)1474(Top 30%)
21M21.00 mi1.00 mi2802+1372652+1342652+1342024(Top 8%)1881(Top 13%)1881(Top 39%)
35K21.75 mi0.75 mi2728+742579+732579+732183(Top 9%)2014(Top 14%)2014(Top 42%)
23M23.00 mi1.25 mi2664+642517+622517+622486(Top 10%)2237(Top 15%)2237(Top 46%)
24M24.00 mi1.00 mi2648+162497+202497+202695(Top 11%)2378(Top 16%)2378(Top 49%)
40K24.85 mi0.85 mi2636+122484+132484+132895(Top 11%)2501(Top 17%)2501(Top 52%)
25.2M25.20 mi0.35 mi2627+92471+132471+133077(Top 12%)2566(Top 18%)2566(Top 53%)
Finish26.22 mi1.02 mi2651-242487-162487-163259(Top 13%)2702(Top 19%)2702(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3655

Males

3454

M18-39

3454

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3955

Males

3723

M18-39

3723

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3655

Males

3454

M18-39

3454

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3307

Males

3135

M18-39

3135

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3264

Males

3098

M18-39

3098

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2689

Males

2547

M18-39

2547

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2213

Males

2092

M18-39

2092

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1555

Males

1474

M18-39

1474

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2024

Males

1881

M18-39

1881

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2183

Males

2014

M18-39

2014

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2486

Males

2237

M18-39

2237

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2695

Males

2378

M18-39

2378

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2895

Males

2501

M18-39

2501

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3077

Males

2566

M18-39

2566

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3259

Males

2702

M18-39

2702

Passing Analysis

Category:
Athletes Passed
2277
Passed By
384
Net Change
+1893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4544
5K → 10K37561+314#4544#4230
10K → 15K25925+234#4230#3996
15K → 20K27332+241#3996#3755
20K → Half3011+19#3755#3736
Half → 25K26517+248#3736#3488
25K → 30K38028+352#3488#3136
30K → 20M1992+197#3136#2939
20M → 21M14811+137#2939#2802
21M → 35K817+74#2802#2728
35K → 23M9329+64#2728#2664
23M → 24M5135+16#2664#2648
24M → 40K6250+12#2648#2636
40K → 25.2M2819+9#2636#2627
25.2M → Finish3357-24#2627#2651
TOTALS2277384+1893
📊

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