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BOSTON MARATHON 2023

Bin Chen

ON

Bib: 11415 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:58/mi
24:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:09/mi
50:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:17/mi
1:15:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:37/mi
1:42:36
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:45/mi
1:48:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:02/mi
2:10:29
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:36/mi
2:40:17
↑ 181↓ 1480.2%
138 ft elev
20M
10:32/mi
2:54:36
↑ 64↓ 500.2%
148 ft elev
21M
12:04/mi
3:06:40
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:56/mi
3:14:06
↑ 17↓ 861.7%
156 ft elev
23M
10:26/mi
3:27:10
↑ 23↓ 630.6%
116 ft elev
24M
10:16/mi
3:37:26
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:54/mi
3:46:45
↓ 200.3%
20 ft elev
25.2M
11:13/mi
3:50:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:57/mi
4:01:47
↑ 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 HalfFaster
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:13:13
Pace10:10 /mi
📊Positive Split: 22.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3924:467:5824:46
7:58
-
10K
6.21 mi11:16:5750:048:0325:18
8:09
+0:11
15K
9.32 mi11:42:421:15:498:0825:45
8:17
+0:08
20K
12.43 mi12:09:291:42:368:1526:47
8:37
+0:20
Half
13.11 mi12:15:271:48:348:175:58
8:45
+0:08
25K
15.53 mi12:37:222:10:298:2421:55
9:02
+0:17
30K
18.64 mi13:07:102:40:178:3629:48
9:36
+0:34
20M
20.00 mi13:21:292:54:368:4414:19
10:32
+0:56
21M
21.00 mi13:33:333:06:408:5312:04
12:04
+1:32
35K
21.75 mi13:40:593:14:068:557:26
9:56
-2:08
23M
23.00 mi13:54:033:27:109:0013:04
10:26
+0:30
24M
24.00 mi14:04:193:37:269:0410:16
10:16
-0:10
40K
24.85 mi14:13:383:46:459:079:19
10:54
+0:38
25.2M
25.20 mi14:17:303:50:379:093:52
11:13
+0:19
Finish
26.22 mi14:28:404:01:479:1411:10
10:57
-0:16

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

7:58 /mi

Average Pace

9:14 /mi

Slowest Pace

12:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:29

54% of race

Time at Steady Pace

1:14:53

31% of race

Time at Slower Pace

36:25

15% of race

Average Pace: 9:13 /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 mi10:51:3924:467:5824:46
7:58
#13809
10K
6.21 mi11:16:5750:048:0325:18
8:09
#14800
15K
9.32 mi11:42:421:15:498:0825:45
8:17
#15375
20K
12.43 mi12:09:291:42:368:1526:47
8:37
#15952
Half
13.11 mi12:15:271:48:348:175:58
8:45
#16140
25K
15.53 mi12:37:222:10:298:2421:55
9:02
#16733
30K
18.64 mi13:07:102:40:178:3629:48
9:36
#17347
20M
20.00 mi13:21:292:54:368:4414:19
10:32
#17906
21M
21.00 mi13:33:333:06:408:5312:04
12:04
#18479
35K
21.75 mi13:40:593:14:068:557:26
9:56
#18618
23M
23.00 mi13:54:033:27:109:0013:04
10:26
#18875
24M
24.00 mi14:04:193:37:269:0410:16
10:16
#19049
40K
24.85 mi14:13:383:46:459:079:19
10:54
#19241
25.2M
25.20 mi14:17:303:50:379:093:52
11:13
#19300
Finish
26.22 mi14:28:404:01:479:1411:10
10:57
#19577
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi138099890989016467(Top 62%)10876(Top 72%)10876(Top 530%)
10K6.21 mi3.10 mi14800-99110259-36910259-36915841(Top 60%)10656(Top 70%)10656(Top 519%)
15K9.32 mi3.11 mi15375-57510456-19710456-19716467(Top 62%)10876(Top 72%)10876(Top 530%)
20K12.43 mi3.11 mi15952-57710658-20210658-20217626(Top 66%)11305(Top 74%)11305(Top 551%)
Half13.11 mi0.68 mi16140-18810723-6510723-6519170(Top 72%)11967(Top 79%)11967(Top 583%)
25K15.53 mi2.42 mi16733-59310924-20110924-20119154(Top 72%)11917(Top 79%)11917(Top 581%)
30K18.64 mi3.11 mi17347-61411170-24611170-24619761(Top 74%)12111(Top 80%)12111(Top 590%)
20M20.00 mi1.36 mi17906-55911357-18711357-18721810(Top 82%)12908(Top 85%)12908(Top 629%)
21M21.00 mi1.00 mi18479-57311591-23411591-23422848(Top 86%)13357(Top 88%)13357(Top 651%)
35K21.75 mi0.75 mi18618-13911656-6511656-6521089(Top 79%)12527(Top 83%)12527(Top 610%)
23M23.00 mi1.25 mi18875-25711738-8211738-8221153(Top 79%)12522(Top 83%)12522(Top 610%)
24M24.00 mi1.00 mi19049-17411802-6411802-6421465(Top 81%)12613(Top 83%)12613(Top 615%)
40K24.85 mi0.85 mi19241-19211885-8311885-8322128(Top 83%)12895(Top 85%)12895(Top 628%)
25.2M25.20 mi0.35 mi19300-5911908-2311908-2320915(Top 79%)12348(Top 81%)12348(Top 602%)
Finish26.22 mi1.02 mi19577-27712008-10012008-10023876(Top 90%)13757(Top 91%)13757(Top 670%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16467

Males

10876

M50-54

10876

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15841

Males

10656

M50-54

10656

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16467

Males

10876

M50-54

10876

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17626

Males

11305

M50-54

11305

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19170

Males

11967

M50-54

11967

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19154

Males

11917

M50-54

11917

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19761

Males

12111

M50-54

12111

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21810

Males

12908

M50-54

12908

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22848

Males

13357

M50-54

13357

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21089

Males

12527

M50-54

12527

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21153

Males

12522

M50-54

12522

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21465

Males

12613

M50-54

12613

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22128

Males

12895

M50-54

12895

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20915

Males

12348

M50-54

12348

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23876

Males

13757

M50-54

13757

Passing Analysis

Category:
Athletes Passed
354
Passed By
6122
Net Change
-5768
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13809
5K → 10K461037-991#13809#14800
10K → 15K47622-575#14800#15375
15K → 20K52629-577#15375#15952
20K → Half6194-188#15952#16140
Half → 25K34627-593#16140#16733
25K → 30K56670-614#16733#17347
30K → 20M12571-559#17347#17906
20M → 21M9582-573#17906#18479
21M → 35K15154-139#18479#18618
35K → 23M24281-257#18618#18875
23M → 24M23197-174#18875#19049
24M → 40K14206-192#19049#19241
40K → 25.2M1271-59#19241#19300
25.2M → Finish4281-277#19300#19577
TOTALS3546122-5768
📊

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