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BOSTON MARATHON 2023

Chao Wen Kevin Tan

Bib: 5004•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
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

Start
0:00:00
Race begins
5K· 3.11 mi
23:11
Rank: #9312
Start → 5K
23:11 | 7:28/mi
10K· 6.21 mi
46:52
Rank: #10410 (-1098)
5K → 10K
23:41 | 7:37/mi
15K· 9.32 mi
1:10:32
Rank: #10643 (-233)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:34:39
Rank: #10841 (-198)
15K → 20K
24:07 | 7:46/mi
Half· 13.11 mi
1:40:07
Rank: #11013 (-172)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
1:59:20
Rank: #11158 (-145)
Half → 25K
19:13 | 7:56/mi
30K· 18.64 mi
2:24:43
Rank: #11279 (-121)
25K → 30K
25:23 | 8:10/mi
20M
2:35:56
Rank: #11333 (-54)
30K → 20M
11:13 | 8:15/mi
21M
2:44:59
Rank: #11484 (-151)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:51:34
Rank: #11755 (-271)
21M → 35K
6:35 | 8:48/mi
23M
3:02:22
Rank: #11886 (-131)
35K → 23M
10:48 | 8:38/mi
24M
3:10:44
Rank: #11970 (-84)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:18:15
Rank: #12098 (-128)
24M → 40K
7:31 | 8:47/mi
25.2M
3:22:02
Rank: #12316 (-218)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:31:26
Rank: #12654 (-338)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:07
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:51:19
Pace8:29 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0223:117:2823:11
7:28
-
10K
6.21 mi10:49:4346:527:3323:41
7:37
+0:09
15K
9.32 mi11:13:231:10:327:3423:40
7:37
0:00
20K
12.43 mi11:37:301:34:397:3724:07
7:46
+0:09
Half
13.11 mi11:42:581:40:077:385:28
8:01
+0:15
25K
15.53 mi12:02:111:59:207:4119:13
7:56
-0:05
30K
18.64 mi12:27:342:24:437:4625:23
8:10
+0:14
20M
20.00 mi12:38:472:35:567:4811:13
8:15
+0:05
21M
21.00 mi12:47:502:44:597:519:03
9:03
+0:48
35K
21.75 mi12:54:252:51:347:536:35
8:48
-0:15
23M
23.00 mi13:05:133:02:227:5610:48
8:38
-0:10
24M
24.00 mi13:13:353:10:447:578:22
8:22
-0:16
40K
24.85 mi13:21:063:18:157:597:31
8:47
+0:25
25.2M
25.20 mi13:24:533:22:028:013:47
10:58
+2:11
Finish
26.22 mi13:34:173:31:268:049:24
9:13
-1:45

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

7:28 /mi

Average Pace

8:04 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:39

45% of race

Time at Steady Pace

1:20:27

38% of race

Time at Slower Pace

36:20

17% of race

Average Pace: 8:04 /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 mi10:26:0223:117:2823:11
7:28
#9312
10K
6.21 mi10:49:4346:527:3323:41
7:37
#10410
15K
9.32 mi11:13:231:10:327:3423:40
7:37
#10643
20K
12.43 mi11:37:301:34:397:3724:07
7:46
#10841
Half
13.11 mi11:42:581:40:077:385:28
8:01
#11013
25K
15.53 mi12:02:111:59:207:4119:13
7:56
#11158
30K
18.64 mi12:27:342:24:437:4625:23
8:10
#11279
20M
20.00 mi12:38:472:35:567:4811:13
8:15
#11333
21M
21.00 mi12:47:502:44:597:519:03
9:03
#11484
35K
21.75 mi12:54:252:51:347:536:35
8:48
#11755
23M
23.00 mi13:05:133:02:227:5610:48
8:38
#11886
24M
24.00 mi13:13:353:10:447:578:22
8:22
#11970
40K
24.85 mi13:21:063:18:157:597:31
8:47
#12098
25.2M
25.20 mi13:24:533:22:028:013:47
10:58
#12316
Finish
26.22 mi13:34:173:31:268:049:24
9:13
#12654
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi93127764776411156(Top 42%)8709(Top 57%)8709(Top 424%)
10K6.21 mi3.10 mi10410-10988365-6018365-60111524(Top 43%)8894(Top 59%)8894(Top 433%)
15K9.32 mi3.11 mi10643-2338494-1298494-12911156(Top 42%)8709(Top 57%)8709(Top 424%)
20K12.43 mi3.11 mi10841-1988565-718565-7111409(Top 43%)8756(Top 58%)8756(Top 427%)
Half13.11 mi0.68 mi11013-1728662-978662-9714408(Top 54%)10047(Top 66%)10047(Top 490%)
25K15.53 mi2.42 mi11158-1458702-408702-4012094(Top 45%)8946(Top 59%)8946(Top 436%)
30K18.64 mi3.11 mi11279-1218685+178685+1712125(Top 46%)8853(Top 58%)8853(Top 431%)
20M20.00 mi1.36 mi11333-548702-178702-1712033(Top 45%)8723(Top 57%)8723(Top 425%)
21M21.00 mi1.00 mi11484-1518749-478749-4713665(Top 51%)9344(Top 62%)9344(Top 455%)
35K21.75 mi0.75 mi11755-2718852-1038852-10316893(Top 63%)10642(Top 70%)10642(Top 519%)
23M23.00 mi1.25 mi11886-1318885-338885-3313915(Top 52%)9329(Top 61%)9329(Top 455%)
24M24.00 mi1.00 mi11970-848892-78892-713609(Top 51%)9133(Top 60%)9133(Top 445%)
40K24.85 mi0.85 mi12098-1288925-338925-3315009(Top 56%)9682(Top 64%)9682(Top 472%)
25.2M25.20 mi0.35 mi12316-2189023-989023-9820346(Top 76%)12073(Top 80%)12073(Top 588%)
Finish26.22 mi1.02 mi12654-3389144-1219144-12118996(Top 71%)11533(Top 76%)11533(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11156

Males

8709

M50-54

8709

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11524

Males

8894

M50-54

8894

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11156

Males

8709

M50-54

8709

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11409

Males

8756

M50-54

8756

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14408

Males

10047

M50-54

10047

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12094

Males

8946

M50-54

8946

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12125

Males

8853

M50-54

8853

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12033

Males

8723

M50-54

8723

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13665

Males

9344

M50-54

9344

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16893

Males

10642

M50-54

10642

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13915

Males

9329

M50-54

9329

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13609

Males

9133

M50-54

9133

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15009

Males

9682

M50-54

9682

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20346

Males

12073

M50-54

12073

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18996

Males

11533

M50-54

11533

Passing Analysis

Category:
Athletes Passed
722
Passed By
4063
Net Change
-3342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9312
5K → 10K411138-1098#9312#10410
10K → 15K104337-233#10410#10643
15K → 20K96294-198#10643#10841
20K → Half2174-172#10841#11013
Half → 25K77222-145#11013#11158
25K → 30K133254-121#11158#11279
30K → 20M72126-54#11279#11333
20M → 21M49200-151#11333#11484
21M → 35K8279-271#11484#11755
35K → 23M58189-131#11755#11886
23M → 24M39123-84#11886#11970
24M → 40K30158-128#11970#12098
40K → 25.2M2220-218#12098#12316
25.2M → Finish11349-338#12316#12654
TOTALS7224063-3342
📊

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