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BOSTON MARATHON 2023

John Hu

Bib: 17457•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M55-59)
#0 / 1422
Top 27%
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
7:48/mi
24:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:55
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:36:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:00:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:24:49
↑ 181↓ 1480.2%
20M
8:00/mi
2:35:41
↑ 64↓ 500.2%
21M
8:22/mi
2:44:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:49:52
↑ 17↓ 861.7%
23M
8:06/mi
3:00:00
↑ 23↓ 630.6%
24M
7:50/mi
3:07:50
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:14:36
↓ 200.3%
25.2M
8:33/mi
3:17:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:25:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:16
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0224:147:4824:14
7:48
-
10K
6.21 mi11:38:4647:587:4323:44
7:38
-0:10
15K
9.32 mi12:02:431:11:557:4323:57
7:43
+0:05
20K
12.43 mi12:26:501:36:027:4424:07
7:46
+0:03
Half
13.11 mi12:32:041:41:167:435:14
7:40
-0:06
25K
15.53 mi12:50:582:00:107:4418:54
7:48
+0:08
30K
18.64 mi13:15:372:24:497:4624:39
7:56
+0:08
20M
20.00 mi13:26:292:35:417:4710:52
8:00
+0:04
21M
21.00 mi13:34:512:44:037:498:22
8:22
+0:22
35K
21.75 mi13:40:402:49:527:495:49
7:46
-0:36
23M
23.00 mi13:50:483:00:007:5010:08
8:06
+0:20
24M
24.00 mi13:58:383:07:507:507:50
7:50
-0:16
40K
24.85 mi14:05:243:14:367:506:46
7:55
+0:05
25.2M
25.20 mi14:08:213:17:337:502:57
8:33
+0:38
Finish
26.22 mi14:16:073:25:197:507:46
7:37
-0:56

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

7:37 /mi

Average Pace

7:50 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:22

99% of race

Time at Steady Pace

2:57

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi11:15:0224:147:4824:14
7:48
#12323
10K
6.21 mi11:38:4647:587:4323:44
7:38
#11994
15K
9.32 mi12:02:431:11:557:4323:57
7:43
#11917
20K
12.43 mi12:26:501:36:027:4424:07
7:46
#11764
Half
13.11 mi12:32:041:41:167:435:14
7:40
#11751
25K
15.53 mi12:50:582:00:107:4418:54
7:48
#11569
30K
18.64 mi13:15:372:24:497:4624:39
7:56
#11322
20M
20.00 mi13:26:292:35:417:4710:52
8:00
#11215
21M
21.00 mi13:34:512:44:037:498:22
8:22
#11095
35K
21.75 mi13:40:402:49:527:495:49
7:46
#11076
23M
23.00 mi13:50:483:00:007:5010:08
8:06
#10997
24M
24.00 mi13:58:383:07:507:507:50
7:50
#10939
40K
24.85 mi14:05:243:14:367:506:46
7:55
#10870
25.2M
25.20 mi14:08:213:17:337:502:57
8:33
#10849
Finish
26.22 mi14:16:073:25:197:507:46
7:37
#10765
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi123239251925111899(Top 45%)9032(Top 60%)9032(Top 635%)
10K6.21 mi3.10 mi11994+3299110+1419110+14111671(Top 44%)8969(Top 59%)8969(Top 631%)
15K9.32 mi3.11 mi11917+779054+569054+5611899(Top 45%)9032(Top 60%)9032(Top 635%)
20K12.43 mi3.11 mi11764+1538968+868968+8611404(Top 43%)8751(Top 58%)8751(Top 615%)
Half13.11 mi0.68 mi11751+138962+68962+611549(Top 43%)8862(Top 58%)8862(Top 623%)
25K15.53 mi2.42 mi11569+1828876+868876+8611045(Top 41%)8525(Top 56%)8525(Top 600%)
30K18.64 mi3.11 mi11322+2478705+1718705+17110387(Top 39%)8029(Top 53%)8029(Top 565%)
20M20.00 mi1.36 mi11215+1078646+598646+5910224(Top 38%)7877(Top 52%)7877(Top 554%)
21M21.00 mi1.00 mi11095+1208570+768570+769628(Top 36%)7415(Top 49%)7415(Top 521%)
35K21.75 mi0.75 mi11076+198554+168554+1610447(Top 39%)7852(Top 52%)7852(Top 552%)
23M23.00 mi1.25 mi10997+798485+698485+6910388(Top 39%)7678(Top 51%)7678(Top 540%)
24M24.00 mi1.00 mi10939+588429+568429+5610018(Top 38%)7399(Top 49%)7399(Top 520%)
40K24.85 mi0.85 mi10870+698366+638366+639425(Top 35%)7052(Top 46%)7052(Top 496%)
25.2M25.20 mi0.35 mi10849+218339+278339+279829(Top 37%)7215(Top 48%)7215(Top 507%)
Finish26.22 mi1.02 mi10765+848270+698270+699404(Top 35%)6973(Top 46%)6973(Top 490%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11899

Males

9032

M55-59

9032

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11671

Males

8969

M55-59

8969

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11899

Males

9032

M55-59

9032

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11404

Males

8751

M55-59

8751

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11549

Males

8862

M55-59

8862

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11045

Males

8525

M55-59

8525

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10387

Males

8029

M55-59

8029

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10224

Males

7877

M55-59

7877

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9628

Males

7415

M55-59

7415

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10447

Males

7852

M55-59

7852

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10388

Males

7678

M55-59

7678

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10018

Males

7399

M55-59

7399

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9425

Males

7052

M55-59

7052

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9829

Males

7215

M55-59

7215

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9404

Males

6973

M55-59

6973

Passing Analysis

Category:
Athletes Passed
2408
Passed By
850
Net Change
+1558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12323
5K → 10K514185+329#12323#11994
10K → 15K235158+77#11994#11917
15K → 20K23986+153#11917#11764
20K → Half3623+13#11764#11751
Half → 25K23149+182#11751#11569
25K → 30K31467+247#11569#11322
30K → 20M15144+107#11322#11215
20M → 21M14424+120#11215#11095
21M → 35K5536+19#11095#11076
35K → 23M13152+79#11076#10997
23M → 24M9840+58#10997#10939
24M → 40K9627+69#10939#10870
40K → 25.2M4524+21#10870#10849
25.2M → Finish11935+84#10849#10765
TOTALS2408850+1558
📊

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