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BOSTON MARATHON 2023

Tao Chen

Bib: 2020•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M45-49)
#0 / 2252
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #3086
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
40:53
Rank: #2994 (+92)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:01:23
Rank: #3094 (-100)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:21:50
Rank: #2969 (+125)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:26:17
Rank: #2959 (+10)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:18
Rank: #3895 (-936)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:04:58
Rank: #3462 (+433)
25K → 30K
20:40 | 6:39/mi
20M
2:14:07
Rank: #3327 (+135)
30K → 20M
9:09 | 6:44/mi
21M
2:21:06
Rank: #3214 (+113)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:25:46
Rank: #3107 (+107)
21M → 35K
4:40 | 6:14/mi
23M
2:33:53
Rank: #2925 (+182)
35K → 23M
8:07 | 6:29/mi
24M
2:40:05
Rank: #2767 (+158)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:45:31
Rank: #2654 (+113)
24M → 40K
5:26 | 6:21/mi
25.2M
2:47:52
Rank: #2615 (+39)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:54:15
Rank: #2523 (+92)
25.2M → Finish
6:23 | 6:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:17
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2020:366:3820:36
6:38
-
10K
6.21 mi10:41:3740:536:3520:17
6:32
-0:06
15K
9.32 mi11:02:071:01:236:3520:30
6:36
+0:04
20K
12.43 mi11:22:341:21:506:3520:27
6:35
-0:01
Half
13.11 mi11:27:011:26:176:354:27
6:31
-0:04
25K
15.53 mi11:45:021:44:186:4318:01
7:26
+0:55
30K
18.64 mi12:05:422:04:586:4220:40
6:39
-0:47
20M
20.00 mi12:14:512:14:076:429:09
6:44
+0:05
21M
21.00 mi12:21:502:21:066:436:59
6:59
+0:15
35K
21.75 mi12:26:302:25:466:424:40
6:14
-0:45
23M
23.00 mi12:34:372:33:536:418:07
6:29
+0:15
24M
24.00 mi12:40:492:40:056:406:12
6:12
-0:17
40K
24.85 mi12:46:152:45:316:405:26
6:21
+0:09
25.2M
25.20 mi12:48:362:47:526:402:21
6:49
+0:28
Finish
26.22 mi12:54:592:54:156:396:23
6:16
-0:33

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

6:12 /mi

Average Pace

6:39 /mi

Slowest Pace

7:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:15

86% of race

Time at Steady Pace

6:59

4% of race

Time at Slower Pace

18:01

10% of race

Average Pace: 6:39 /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 mi10:21:2020:366:3820:36
6:38
#3086
10K
6.21 mi10:41:3740:536:3520:17
6:32
#2994
15K
9.32 mi11:02:071:01:236:3520:30
6:36
#3094
20K
12.43 mi11:22:341:21:506:3520:27
6:35
#2969
Half
13.11 mi11:27:011:26:176:354:27
6:31
#2959
25K
15.53 mi11:45:021:44:186:4318:01
7:26
#3895
30K
18.64 mi12:05:422:04:586:4220:40
6:39
#3462
20M
20.00 mi12:14:512:14:076:429:09
6:44
#3327
21M
21.00 mi12:21:502:21:066:436:59
6:59
#3214
35K
21.75 mi12:26:302:25:466:424:40
6:14
#3107
23M
23.00 mi12:34:372:33:536:418:07
6:29
#2925
24M
24.00 mi12:40:492:40:056:406:12
6:12
#2767
40K
24.85 mi12:46:152:45:316:405:26
6:21
#2654
25.2M
25.20 mi12:48:362:47:526:402:21
6:49
#2615
Finish
26.22 mi12:54:592:54:156:396:23
6:16
#2523
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3086292229223264(Top 12%)3099(Top 20%)3099(Top 138%)
10K6.21 mi3.10 mi2994+922854+682854+682954(Top 11%)2822(Top 19%)2822(Top 125%)
15K9.32 mi3.11 mi3094-1002948-942948-943264(Top 12%)3099(Top 20%)3099(Top 138%)
20K12.43 mi3.11 mi2969+1252834+1142834+1142728(Top 10%)2608(Top 17%)2608(Top 116%)
Half13.11 mi0.68 mi2959+102826+82826+82900(Top 11%)2775(Top 18%)2775(Top 123%)
25K15.53 mi2.42 mi3895-9363669-8433669-8438224(Top 31%)6947(Top 46%)6947(Top 308%)
30K18.64 mi3.11 mi3462+4333278+3913278+3912189(Top 8%)2090(Top 14%)2090(Top 93%)
20M20.00 mi1.36 mi3327+1353152+1263152+1262435(Top 9%)2310(Top 15%)2310(Top 103%)
21M21.00 mi1.00 mi3214+1133048+1043048+1042085(Top 8%)1971(Top 13%)1971(Top 88%)
35K21.75 mi0.75 mi3107+1072950+982950+981391(Top 5%)1321(Top 9%)1321(Top 59%)
23M23.00 mi1.25 mi2925+1822783+1672783+1671376(Top 5%)1305(Top 9%)1305(Top 58%)
24M24.00 mi1.00 mi2767+1582636+1472636+1471044(Top 4%)990(Top 7%)990(Top 44%)
40K24.85 mi0.85 mi2654+1132532+1042532+1041083(Top 4%)1026(Top 7%)1026(Top 46%)
25.2M25.20 mi0.35 mi2615+392495+372495+371230(Top 5%)1169(Top 8%)1169(Top 52%)
Finish26.22 mi1.02 mi2523+922406+892406+891497(Top 6%)1416(Top 9%)1416(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3264

Males

3099

M45-49

3099

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2954

Males

2822

M45-49

2822

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3264

Males

3099

M45-49

3099

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2728

Males

2608

M45-49

2608

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2900

Males

2775

M45-49

2775

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8224

Males

6947

M45-49

6947

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2189

Males

2090

M45-49

2090

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2435

Males

2310

M45-49

2310

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2085

Males

1971

M45-49

1971

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1391

Males

1321

M45-49

1321

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1376

Males

1305

M45-49

1305

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1044

Males

990

M45-49

990

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1083

Males

1026

M45-49

1026

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1230

Males

1169

M45-49

1169

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1497

Males

1416

M45-49

1416

Passing Analysis

Category:
Athletes Passed
1848
Passed By
1285
Net Change
+563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3086
5K → 10K206114+92#3086#2994
10K → 15K54154-100#2994#3094
15K → 20K16237+125#3094#2969
20K → Half2515+10#2969#2959
Half → 25K2938-936#2959#3895
25K → 30K4374+433#3895#3462
30K → 20M1405+135#3462#3327
20M → 21M1163+113#3327#3214
21M → 35K1092+107#3214#3107
35K → 23M1842+182#3107#2925
23M → 24M1602+158#2925#2767
24M → 40K1174+113#2767#2654
40K → 25.2M401+39#2654#2615
25.2M → Finish964+92#2615#2523
TOTALS18481285+563
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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