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BOSTON MARATHON 2023

Ricky Chang

Bib: 25401•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:11
Rank: #23526
Start → 5K
31:11 | 10:02/mi
10K· 6.21 mi
1:01:11
Rank: #23271 (+255)
5K → 10K
30:00 | 9:39/mi
15K· 9.32 mi
1:31:32
Rank: #23198 (+73)
10K → 15K
30:21 | 9:46/mi
20K· 12.43 mi
2:01:51
Rank: #22953 (+245)
15K → 20K
30:19 | 9:45/mi
Half· 13.11 mi
2:07:53
Rank: #22805 (+148)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:33:21
Rank: #22903 (-98)
Half → 25K
25:28 | 10:30/mi
30K· 18.64 mi
3:04:43
Rank: #22584 (+319)
25K → 30K
31:22 | 10:06/mi
20M
3:18:38
Rank: #22470 (+114)
30K → 20M
13:55 | 10:14/mi
21M
3:30:17
Rank: #22461 (+9)
20M → 21M
11:39 | 11:39/mi
35K· 21.75 mi
3:37:46
Rank: #22412 (+49)
21M → 35K
7:29 | 10:00/mi
23M
3:50:46
Rank: #22326 (+86)
35K → 23M
13:00 | 10:23/mi
24M
4:01:01
Rank: #22294 (+32)
23M → 24M
10:15 | 10:15/mi
40K· 24.85 mi
4:11:22
Rank: #22379 (-85)
24M → 40K
10:21 | 12:06/mi
25.2M
4:15:30
Rank: #22383 (-4)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:25:20
Rank: #22326 (+57)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:53
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:17:27
Pace10:29 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1431:1110:0231:11
10:02
-
10K
6.21 mi12:18:141:01:119:5130:00
9:39
-0:23
15K
9.32 mi12:48:351:31:329:4930:21
9:46
+0:07
20K
12.43 mi13:18:542:01:519:4830:19
9:45
-0:01
Half
13.11 mi13:24:562:07:539:456:02
8:51
-0:54
25K
15.53 mi13:50:242:33:219:5225:28
10:30
+1:39
30K
18.64 mi14:21:463:04:439:5531:22
10:06
-0:24
20M
20.00 mi14:35:413:18:389:5613:55
10:14
+0:08
21M
21.00 mi14:47:203:30:1710:0111:39
11:39
+1:25
35K
21.75 mi14:54:493:37:4610:017:29
10:00
-1:39
23M
23.00 mi15:07:493:50:4610:0213:00
10:23
+0:23
24M
24.00 mi15:18:044:01:0110:0310:15
10:15
-0:08
40K
24.85 mi15:28:254:11:2210:0710:21
12:06
+1:51
25.2M
25.20 mi15:32:334:15:3010:084:08
11:59
-0:07
Finish
26.22 mi15:42:234:25:2010:089:50
9:39
-2:20

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

8:51 /mi

Average Pace

10:08 /mi

Slowest Pace

12:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:52

17% of race

Time at Steady Pace

3:13:20

73% of race

Time at Slower Pace

26:08

10% of race

Average Pace: 10:07 /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 mi11:48:1431:1110:0231:11
10:02
#23526
10K
6.21 mi12:18:141:01:119:5130:00
9:39
#23271
15K
9.32 mi12:48:351:31:329:4930:21
9:46
#23198
20K
12.43 mi13:18:542:01:519:4830:19
9:45
#22953
Half
13.11 mi13:24:562:07:539:456:02
8:51
#22805
25K
15.53 mi13:50:242:33:219:5225:28
10:30
#22903
30K
18.64 mi14:21:463:04:439:5531:22
10:06
#22584
20M
20.00 mi14:35:413:18:389:5613:55
10:14
#22470
21M
21.00 mi14:47:203:30:1710:0111:39
11:39
#22461
35K
21.75 mi14:54:493:37:4610:017:29
10:00
#22412
23M
23.00 mi15:07:493:50:4610:0213:00
10:23
#22326
24M
24.00 mi15:18:044:01:0110:0310:15
10:15
#22294
40K
24.85 mi15:28:254:11:2210:0710:21
12:06
#22379
25.2M
25.20 mi15:32:334:15:3010:084:08
11:59
#22383
Finish
26.22 mi15:42:234:25:2010:089:50
9:39
#22326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23526138461384622961(Top 86%)13617(Top 90%)13617(Top 608%)
10K6.21 mi3.10 mi23271+25513736+11013736+11022939(Top 86%)13613(Top 90%)13613(Top 607%)
15K9.32 mi3.11 mi23198+7313723+1313723+1322961(Top 86%)13617(Top 90%)13617(Top 608%)
20K12.43 mi3.11 mi22953+24513611+11213611+11222302(Top 84%)13316(Top 88%)13316(Top 594%)
Half13.11 mi0.68 mi22805+14813540+7113540+7119721(Top 74%)12206(Top 80%)12206(Top 545%)
25K15.53 mi2.42 mi22903-9813571-3113571-3123205(Top 87%)13687(Top 90%)13687(Top 611%)
30K18.64 mi3.11 mi22584+31913382+18913382+18921276(Top 80%)12753(Top 84%)12753(Top 569%)
20M20.00 mi1.36 mi22470+11413329+5313329+5321121(Top 79%)12619(Top 83%)12619(Top 563%)
21M21.00 mi1.00 mi22461+913317+1213317+1222149(Top 83%)13045(Top 86%)13045(Top 582%)
35K21.75 mi0.75 mi22412+4913293+2413293+2421273(Top 80%)12616(Top 83%)12616(Top 563%)
23M23.00 mi1.25 mi22326+8613247+4613247+4621032(Top 79%)12473(Top 82%)12473(Top 557%)
24M24.00 mi1.00 mi22294+3213232+1513232+1521443(Top 81%)12607(Top 83%)12607(Top 563%)
40K24.85 mi0.85 mi22379-8513254-2213254-2224012(Top 90%)13803(Top 91%)13803(Top 616%)
25.2M25.20 mi0.35 mi22383-413253+113253+122453(Top 84%)13055(Top 86%)13055(Top 583%)
Finish26.22 mi1.02 mi22326+5713224+2913224+2920629(Top 77%)12248(Top 81%)12248(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22961

Males

13617

M40-44

13617

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22939

Males

13613

M40-44

13613

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22961

Males

13617

M40-44

13617

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22302

Males

13316

M40-44

13316

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19721

Males

12206

M40-44

12206

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23205

Males

13687

M40-44

13687

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21276

Males

12753

M40-44

12753

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21121

Males

12619

M40-44

12619

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22149

Males

13045

M40-44

13045

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21273

Males

12616

M40-44

12616

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

21032

Males

12473

M40-44

12473

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21443

Males

12607

M40-44

12607

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24012

Males

13803

M40-44

13803

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22453

Males

13055

M40-44

13055

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20629

Males

12248

M40-44

12248

Passing Analysis

Category:
Athletes Passed
1843
Passed By
643
Net Change
+1200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23526
5K → 10K362107+255#23526#23271
10K → 15K177104+73#23271#23198
15K → 20K27429+245#23198#22953
20K → Half1480+148#22953#22805
Half → 25K58156-98#22805#22903
25K → 30K33213+319#22903#22584
30K → 20M1228+114#22584#22470
20M → 21M6657+9#22470#22461
21M → 35K5910+49#22461#22412
35K → 23M10014+86#22412#22326
23M → 24M5220+32#22326#22294
24M → 40K19104-85#22294#22379
40K → 25.2M1519-4#22379#22383
25.2M → Finish592+57#22383#22326
TOTALS1843643+1200
📊

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