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BOSTON MARATHON 2024

Daosheng Chen

Bib: 5156•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 39%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 41%
Division (M40-44)
#0 / 2009
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
6:38/mi
20:35
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
41:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:03:44
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:27:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:32:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
1:52:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:20:27
↑ 181↓ 1480.2%
20M
9:45/mi
2:33:42
↑ 64↓ 500.2%
21M
10:00/mi
2:43:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:49:52
↑ 17↓ 861.7%
23M
10:36/mi
3:03:08
↑ 23↓ 630.6%
24M
8:41/mi
3:11:49
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:19:39
↓ 200.3%
25.2M
11:33/mi
3:23:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:32:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:41
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:59:25
Pace9:07 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0020:356:3820:35
6:38
-
10K
6.21 mi10:45:5441:296:4120:54
6:44
+0:06
15K
9.32 mi11:08:091:03:446:5022:15
7:10
+0:26
20K
12.43 mi11:31:551:27:307:0223:46
7:39
+0:29
Half
13.11 mi11:37:061:32:417:045:11
7:36
-0:03
25K
15.53 mi11:57:091:52:447:1520:03
8:16
+0:40
30K
18.64 mi12:24:522:20:277:3227:43
8:55
+0:39
20M
20.00 mi12:38:072:33:427:4113:15
9:45
+0:50
21M
21.00 mi12:48:072:43:427:4810:00
10:00
+0:15
35K
21.75 mi12:54:172:49:527:496:10
8:15
-1:45
23M
23.00 mi13:07:333:03:087:5813:16
10:36
+2:21
24M
24.00 mi13:16:143:11:498:008:41
8:41
-1:55
40K
24.85 mi13:24:043:19:398:027:50
9:10
+0:29
25.2M
25.20 mi13:28:033:23:388:053:59
11:33
+2:23
Finish
26.22 mi13:36:313:32:068:068:28
8:19
-3:14

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

6:38 /mi

Average Pace

8:06 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:55

32% of race

Time at Steady Pace

1:34:51

45% of race

Time at Slower Pace

48:20

23% of race

Average Pace: 8:05 /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 mi10:25:0020:356:3820:35
6:38
#4219
10K
6.21 mi10:45:5441:296:4120:54
6:44
#4368
15K
9.32 mi11:08:091:03:446:5022:15
7:10
#5472
20K
12.43 mi11:31:551:27:307:0223:46
7:39
#6429
Half
13.11 mi11:37:061:32:417:045:11
7:36
#6570
25K
15.53 mi11:57:091:52:447:1520:03
8:16
#7320
30K
18.64 mi12:24:522:20:277:3227:43
8:55
#8386
20M
20.00 mi12:38:072:33:427:4113:15
9:45
#8997
21M
21.00 mi12:48:072:43:427:4810:00
10:00
#9197
35K
21.75 mi12:54:172:49:527:496:10
8:15
#9161
23M
23.00 mi13:07:333:03:087:5813:16
10:36
#9861
24M
24.00 mi13:16:143:11:498:008:41
8:41
#9867
40K
24.85 mi13:24:043:19:398:027:50
9:10
#9939
25.2M
25.20 mi13:28:033:23:388:053:59
11:33
#10083
Finish
26.22 mi13:36:313:32:068:068:28
8:19
#10051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4219397939797219(Top 28%)6223(Top 43%)6223(Top 310%)
10K6.21 mi3.10 mi4368-1494104-1254104-1254565(Top 18%)4257(Top 29%)4257(Top 212%)
15K9.32 mi3.11 mi5472-11045020-9165020-9167219(Top 28%)6223(Top 43%)6223(Top 310%)
20K12.43 mi3.11 mi6429-9575703-6835703-6839401(Top 37%)7358(Top 50%)7358(Top 366%)
Half13.11 mi0.68 mi6570-1415802-995802-999802(Top 38%)7585(Top 52%)7585(Top 378%)
25K15.53 mi2.42 mi7320-7506264-4626264-46211784(Top 46%)8364(Top 57%)8364(Top 416%)
30K18.64 mi3.11 mi8386-10666817-5536817-55312834(Top 50%)8613(Top 59%)8613(Top 429%)
20M20.00 mi1.36 mi8997-6117106-2897106-28915538(Top 61%)9532(Top 65%)9532(Top 474%)
21M21.00 mi1.00 mi9197-2007140-347140-3412945(Top 51%)8153(Top 56%)8153(Top 406%)
35K21.75 mi0.75 mi9161+367093+477093+479201(Top 36%)6364(Top 44%)6364(Top 317%)
23M23.00 mi1.25 mi9861-7007374-2817374-28117279(Top 68%)10191(Top 70%)10191(Top 507%)
24M24.00 mi1.00 mi9867-67333+417333+4110476(Top 41%)6779(Top 47%)6779(Top 337%)
40K24.85 mi0.85 mi9939-727341-87341-811574(Top 45%)7212(Top 49%)7212(Top 359%)
25.2M25.20 mi0.35 mi10083-1447382-417382-4116128(Top 63%)9482(Top 65%)9482(Top 472%)
Finish26.22 mi1.02 mi10051+327328+547328+5410377(Top 41%)6672(Top 46%)6672(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7219

Males

6223

M40-44

6223

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4565

Males

4257

M40-44

4257

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7219

Males

6223

M40-44

6223

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9401

Males

7358

M40-44

7358

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

9802

Males

7585

M40-44

7585

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11784

Males

8364

M40-44

8364

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

12834

Males

8613

M40-44

8613

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

15538

Males

9532

M40-44

9532

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

12945

Males

8153

M40-44

8153

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9201

Males

6364

M40-44

6364

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17279

Males

10191

M40-44

10191

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10476

Males

6779

M40-44

6779

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11574

Males

7212

M40-44

7212

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16128

Males

9482

M40-44

9482

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10377

Males

6672

M40-44

6672

Passing Analysis

Category:
Athletes Passed
752*
Passed By
6581
Net Change
-5832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4219
5K → 10K121270-149#4219#4368
10K → 15K101114-1104#4368#5472
15K → 20K25982-957#5472#6429
20K → Half8149-141#6429#6570
Half → 25K44794-750#6570#7320
25K → 30K561122-1066#7320#8386
30K → 20M23634-611#8386#8997
20M → 21M76276-200#8997#9197
21M → 35K8549+36#9197#9161
35K → 23M36735-700#9161#9861
23M → 24M106*112-6#9861#9867
24M → 40K59131-72#9867#9939
40K → 25.2M8150-144#9939#10083
25.2M → Finish9563+32#10083#10051
TOTALS752*6581-5832

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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