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BOSTON MARATHON 2023

Huy Duong

Bib: 10970•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
Division (M50-54)
#0 / 2052
Top 44%
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
7:26/mi
23:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:08:29
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:36:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:55:05
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:19:11
↑ 181↓ 1480.2%
20M
8:06/mi
2:30:11
↑ 64↓ 500.2%
21M
8:35/mi
2:38:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:44:45
↑ 17↓ 861.7%
23M
9:00/mi
2:56:01
↑ 23↓ 630.6%
24M
8:52/mi
3:04:53
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:12:33
↓ 200.3%
25.2M
9:34/mi
3:15:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:24:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:47:56
Pace8:14 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4423:077:2623:07
7:26
-
10K
6.21 mi11:12:3946:027:2522:55
7:23
-0:03
15K
9.32 mi11:35:061:08:297:2122:27
7:14
-0:09
20K
12.43 mi11:57:591:31:227:2122:53
7:22
+0:08
Half
13.11 mi12:03:081:36:317:225:09
7:33
+0:11
25K
15.53 mi12:21:421:55:057:2518:34
7:39
+0:06
30K
18.64 mi12:45:482:19:117:2824:06
7:45
+0:06
20M
20.00 mi12:56:482:30:117:3111:00
8:06
+0:21
21M
21.00 mi13:05:232:38:467:348:35
8:35
+0:29
35K
21.75 mi13:11:222:44:457:355:59
8:00
-0:35
23M
23.00 mi13:22:382:56:017:3911:16
9:00
+1:00
24M
24.00 mi13:31:303:04:537:428:52
8:52
-0:08
40K
24.85 mi13:39:103:12:337:457:40
8:58
+0:06
25.2M
25.20 mi13:42:283:15:517:463:18
9:34
+0:36
Finish
26.22 mi13:51:043:24:277:488:36
8:26
-1:08

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

7:14 /mi

Average Pace

7:48 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:31

47% of race

Time at Steady Pace

59:39

29% of race

Time at Slower Pace

48:17

24% of race

Average Pace: 7:48 /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 mi10:49:4423:077:2623:07
7:26
#9140
10K
6.21 mi11:12:3946:027:2522:55
7:23
#9239
15K
9.32 mi11:35:061:08:297:2122:27
7:14
#8818
20K
12.43 mi11:57:591:31:227:2122:53
7:22
#8644
Half
13.11 mi12:03:081:36:317:225:09
7:33
#8723
25K
15.53 mi12:21:421:55:057:2518:34
7:39
#8891
30K
18.64 mi12:45:482:19:117:2824:06
7:45
#8884
20M
20.00 mi12:56:482:30:117:3111:00
8:06
#9020
21M
21.00 mi13:05:232:38:467:348:35
8:35
#9105
35K
21.75 mi13:11:222:44:457:355:59
8:00
#9203
23M
23.00 mi13:22:382:56:017:3911:16
9:00
#9631
24M
24.00 mi13:31:303:04:537:428:52
8:52
#9968
40K
24.85 mi13:39:103:12:337:457:40
8:58
#10203
25.2M
25.20 mi13:42:283:15:517:463:18
9:34
#10302
Finish
26.22 mi13:51:043:24:277:488:36
8:26
#10495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9140768676867977(Top 30%)6911(Top 46%)6911(Top 337%)
10K6.21 mi3.10 mi9239-997716-307716-309427(Top 35%)7817(Top 52%)7817(Top 381%)
15K9.32 mi3.11 mi8818+4217452+2647452+2647977(Top 30%)6911(Top 46%)6911(Top 337%)
20K12.43 mi3.11 mi8644+1747341+1117341+1118259(Top 31%)7051(Top 46%)7051(Top 344%)
Half13.11 mi0.68 mi8723-797384-437384-4310562(Top 40%)8384(Top 55%)8384(Top 409%)
25K15.53 mi2.42 mi8891-1687473-897473-899958(Top 37%)7961(Top 52%)7961(Top 388%)
30K18.64 mi3.11 mi8884+77433+407433+409032(Top 34%)7301(Top 48%)7301(Top 356%)
20M20.00 mi1.36 mi9020-1367497-647497-6410962(Top 41%)8234(Top 54%)8234(Top 401%)
21M21.00 mi1.00 mi9105-857517-207517-2010948(Top 41%)8093(Top 53%)8093(Top 394%)
35K21.75 mi0.75 mi9203-987560-437560-4312065(Top 45%)8574(Top 56%)8574(Top 418%)
23M23.00 mi1.25 mi9631-4287786-2267786-22616043(Top 60%)10248(Top 68%)10248(Top 499%)
24M24.00 mi1.00 mi9968-3377939-1537939-15316538(Top 62%)10410(Top 69%)10410(Top 507%)
40K24.85 mi0.85 mi10203-2358043-1048043-10415929(Top 60%)10090(Top 66%)10090(Top 492%)
25.2M25.20 mi0.35 mi10302-998073-308073-3015428(Top 58%)9849(Top 65%)9849(Top 480%)
Finish26.22 mi1.02 mi10495-1938136-638136-6314960(Top 56%)9702(Top 64%)9702(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7977

Males

6911

M50-54

6911

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9427

Males

7817

M50-54

7817

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7977

Males

6911

M50-54

6911

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8259

Males

7051

M50-54

7051

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10562

Males

8384

M50-54

8384

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9958

Males

7961

M50-54

7961

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9032

Males

7301

M50-54

7301

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10962

Males

8234

M50-54

8234

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10948

Males

8093

M50-54

8093

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12065

Males

8574

M50-54

8574

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16043

Males

10248

M50-54

10248

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16538

Males

10410

M50-54

10410

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15929

Males

10090

M50-54

10090

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15428

Males

9849

M50-54

9849

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14960

Males

9702

M50-54

9702

Passing Analysis

Category:
Athletes Passed
1358
Passed By
2711
Net Change
-1355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9140
5K → 10K229328-99#9140#9239
10K → 15K44423+421#9239#8818
15K → 20K22854+174#8818#8644
20K → Half887-79#8644#8723
Half → 25K52220-168#8723#8891
25K → 30K183176+7#8891#8884
30K → 20M44180-136#8884#9020
20M → 21M56141-85#9020#9105
21M → 35K16114-98#9105#9203
35K → 23M26454-428#9203#9631
23M → 24M11347-337#9631#9968
24M → 40K24258-235#9968#10203
40K → 25.2M8107-99#10203#10302
25.2M → Finish29222-193#10302#10495
TOTALS13582711-1355
📊

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