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BOSTON MARATHON 2023

Tan Cheng Joo

Bib: 11895•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M45-49)
#0 / 2252
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:15/mi
22:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
44:01
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:05:30
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:26:51
↑ 106↓ 860.1%
Half· 13.11 mi
6:45/mi
1:31:27
↑ 19↓ 370.5%
25K· 15.53 mi
6:53/mi
1:48:09
↑ 66↓ 880.2%
30K· 18.64 mi
7:05/mi
2:10:10
↑ 181↓ 1480.2%
20M
6:59/mi
2:19:40
↑ 64↓ 500.2%
21M
7:19/mi
2:26:59
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:32:10
↑ 17↓ 861.7%
23M
7:13/mi
2:41:12
↑ 23↓ 630.6%
24M
7:12/mi
2:48:24
↓ 821.3%
40K· 24.85 mi
7:27/mi
2:54:46
↓ 200.3%
25.2M
8:04/mi
2:57:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
3:04:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:27
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:33:25
Pace7:08 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4122:307:1522:30
7:15
-
10K
6.21 mi11:11:1244:017:0521:31
6:56
-0:19
15K
9.32 mi11:32:411:05:307:0221:29
6:55
-0:01
20K
12.43 mi11:54:021:26:516:5921:21
6:52
-0:03
Half
13.11 mi11:58:381:31:276:594:36
6:45
-0:07
25K
15.53 mi12:15:201:48:096:5816:42
6:53
+0:08
30K
18.64 mi12:37:212:10:106:5922:01
7:05
+0:12
20M
20.00 mi12:46:512:19:406:599:30
6:59
-0:06
21M
21.00 mi12:54:102:26:597:007:19
7:19
+0:20
35K
21.75 mi12:59:212:32:107:005:11
6:56
-0:23
23M
23.00 mi13:08:232:41:127:019:02
7:13
+0:17
24M
24.00 mi13:15:352:48:247:017:12
7:12
-0:01
40K
24.85 mi13:21:572:54:467:026:22
7:27
+0:15
25.2M
25.20 mi13:24:442:57:337:032:47
8:04
+0:37
Finish
26.22 mi13:32:033:04:527:037:19
7:11
-0:53

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

6:45 /mi

Average Pace

7:03 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:43

95% of race

Time at Steady Pace

6:22

3% of race

Time at Slower Pace

2:47

2% of race

Average Pace: 7:03 /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 mi10:49:4122:307:1522:30
7:15
#7740
10K
6.21 mi11:11:1244:017:0521:31
6:56
#7000
15K
9.32 mi11:32:411:05:307:0221:29
6:55
#6668
20K
12.43 mi11:54:021:26:516:5921:21
6:52
#6285
Half
13.11 mi11:58:381:31:276:594:36
6:45
#6217
25K
15.53 mi12:15:201:48:096:5816:42
6:53
#5983
30K
18.64 mi12:37:212:10:106:5922:01
7:05
#5703
20M
20.00 mi12:46:512:19:406:599:30
6:59
#5561
21M
21.00 mi12:54:102:26:597:007:19
7:19
#5412
35K
21.75 mi12:59:212:32:107:005:11
6:56
#5368
23M
23.00 mi13:08:232:41:127:019:02
7:13
#5279
24M
24.00 mi13:15:352:48:247:017:12
7:12
#5249
40K
24.85 mi13:21:572:54:467:026:22
7:27
#5233
25.2M
25.20 mi13:24:442:57:337:032:47
8:04
#5240
Finish
26.22 mi13:32:033:04:527:037:19
7:11
#5224
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7740680468046051(Top 23%)5497(Top 36%)5497(Top 244%)
10K6.21 mi3.10 mi7000+7406256+5486256+5486303(Top 24%)5702(Top 38%)5702(Top 253%)
15K9.32 mi3.11 mi6668+3326006+2506006+2506051(Top 23%)5497(Top 36%)5497(Top 244%)
20K12.43 mi3.11 mi6285+3835695+3115695+3115127(Top 19%)4742(Top 31%)4742(Top 211%)
Half13.11 mi0.68 mi6217+685646+495646+494785(Top 18%)4447(Top 29%)4447(Top 197%)
25K15.53 mi2.42 mi5983+2345470+1765470+1764874(Top 18%)4513(Top 30%)4513(Top 200%)
30K18.64 mi3.11 mi5703+2805232+2385232+2384856(Top 18%)4471(Top 29%)4471(Top 199%)
20M20.00 mi1.36 mi5561+1425109+1235109+1233994(Top 15%)3710(Top 24%)3710(Top 165%)
21M21.00 mi1.00 mi5412+1494977+1324977+1323726(Top 14%)3457(Top 23%)3457(Top 154%)
35K21.75 mi0.75 mi5368+444933+444933+444931(Top 19%)4437(Top 29%)4437(Top 197%)
23M23.00 mi1.25 mi5279+894850+834850+834876(Top 18%)4375(Top 29%)4375(Top 194%)
24M24.00 mi1.00 mi5249+304817+334817+335732(Top 22%)4925(Top 32%)4925(Top 219%)
40K24.85 mi0.85 mi5233+164796+214796+216329(Top 24%)5228(Top 34%)5228(Top 232%)
25.2M25.20 mi0.35 mi5240-74798-24798-26826(Top 26%)5458(Top 36%)5458(Top 242%)
Finish26.22 mi1.02 mi5224+164780+184780+186259(Top 24%)5098(Top 34%)5098(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6051

Males

5497

M45-49

5497

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6303

Males

5702

M45-49

5702

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6051

Males

5497

M45-49

5497

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5127

Males

4742

M45-49

4742

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4785

Males

4447

M45-49

4447

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4874

Males

4513

M45-49

4513

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4856

Males

4471

M45-49

4471

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3994

Males

3710

M45-49

3710

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3726

Males

3457

M45-49

3457

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4931

Males

4437

M45-49

4437

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4876

Males

4375

M45-49

4375

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5732

Males

4925

M45-49

4925

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6329

Males

5228

M45-49

5228

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6826

Males

5458

M45-49

5458

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6259

Males

5098

M45-49

5098

Passing Analysis

Category:
Athletes Passed
2772
Passed By
256
Net Change
+2516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7740
5K → 10K76626+740#7740#7000
10K → 15K34513+332#7000#6668
15K → 20K3885+383#6668#6285
20K → Half691+68#6285#6217
Half → 25K2373+234#6217#5983
25K → 30K29818+280#5983#5703
30K → 20M1497+142#5703#5561
20M → 21M1534+149#5561#5412
21M → 35K6117+44#5412#5368
35K → 23M11021+89#5368#5279
23M → 24M6838+30#5279#5249
24M → 40K5337+16#5249#5233
40K → 25.2M1926-7#5233#5240
25.2M → Finish5640+16#5240#5224
TOTALS2772256+2516
📊

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