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BOSTON MARATHON 2023

Jack Wang

Bib: 14080•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:38/mi
26:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
53:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:20:08
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:46:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:52:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:13:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:40:46
↑ 181↓ 1480.2%
20M
8:56/mi
2:52:55
↑ 64↓ 500.2%
21M
9:49/mi
3:02:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:09:02
↑ 17↓ 861.7%
23M
8:50/mi
3:20:05
↑ 23↓ 630.6%
24M
8:25/mi
3:28:30
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:35:56
↓ 200.3%
25.2M
9:17/mi
3:39:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:47:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:55:32
Pace8:49 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2026:498:3826:49
8:38
-
10K
6.21 mi12:08:5153:208:3526:31
8:32
-0:06
15K
9.32 mi12:35:391:20:088:3626:48
8:38
+0:06
20K
12.43 mi13:02:031:46:328:3426:24
8:30
-0:08
Half
13.11 mi13:07:471:52:168:345:44
8:24
-0:06
25K
15.53 mi13:28:422:13:118:3420:55
8:38
+0:14
30K
18.64 mi13:56:172:40:468:3727:35
8:53
+0:15
20M
20.00 mi14:08:262:52:558:3912:09
8:56
+0:03
21M
21.00 mi14:18:153:02:448:429:49
9:49
+0:53
35K
21.75 mi14:24:333:09:028:426:18
8:25
-1:24
23M
23.00 mi14:35:363:20:058:4211:03
8:50
+0:25
24M
24.00 mi14:44:013:28:308:418:25
8:25
-0:25
40K
24.85 mi14:51:273:35:568:417:26
8:42
+0:17
25.2M
25.20 mi14:54:393:39:088:423:12
9:17
+0:35
Finish
26.22 mi15:03:193:47:488:428:40
8:30
-0:47

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

8:24 /mi

Average Pace

8:42 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:47

94% of race

Time at Steady Pace

13:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:42:2026:498:3826:49
8:38
#18417
10K
6.21 mi12:08:5153:208:3526:31
8:32
#18423
15K
9.32 mi12:35:391:20:088:3626:48
8:38
#18466
20K
12.43 mi13:02:031:46:328:3426:24
8:30
#18036
Half
13.11 mi13:07:471:52:168:345:44
8:24
#17980
25K
15.53 mi13:28:422:13:118:3420:55
8:38
#17776
30K
18.64 mi13:56:172:40:468:3727:35
8:53
#17506
20M
20.00 mi14:08:262:52:558:3912:09
8:56
#17387
21M
21.00 mi14:18:153:02:448:429:49
9:49
#17386
35K
21.75 mi14:24:333:09:028:426:18
8:25
#17284
23M
23.00 mi14:35:363:20:058:4211:03
8:50
#17167
24M
24.00 mi14:44:013:28:308:418:25
8:25
#17018
40K
24.85 mi14:51:273:35:568:417:26
8:42
#16922
25.2M
25.20 mi14:54:393:39:088:423:12
9:17
#16884
Finish
26.22 mi15:03:193:47:488:428:40
8:30
#16815
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18417115701157018584(Top 70%)11709(Top 77%)11709(Top 823%)
10K6.21 mi3.10 mi18423-611626-5611626-5618445(Top 69%)11686(Top 77%)11686(Top 822%)
15K9.32 mi3.11 mi18466-4311654-2811654-2818584(Top 70%)11709(Top 77%)11709(Top 823%)
20K12.43 mi3.11 mi18036+43011480+17411480+17416823(Top 63%)10968(Top 72%)10968(Top 771%)
Half13.11 mi0.68 mi17980+5611457+2311457+2317112(Top 64%)11121(Top 73%)11121(Top 782%)
25K15.53 mi2.42 mi17776+20411354+10311354+10316952(Top 64%)10949(Top 72%)10949(Top 770%)
30K18.64 mi3.11 mi17506+27011226+12811226+12816530(Top 62%)10703(Top 71%)10703(Top 753%)
20M20.00 mi1.36 mi17387+11911157+6911157+6916218(Top 61%)10502(Top 69%)10502(Top 739%)
21M21.00 mi1.00 mi17386+111141+1611141+1617303(Top 65%)10913(Top 72%)10913(Top 767%)
35K21.75 mi0.75 mi17284+10211091+5011091+5014838(Top 56%)9818(Top 65%)9818(Top 690%)
23M23.00 mi1.25 mi17167+11711032+5911032+5915122(Top 57%)9859(Top 65%)9859(Top 693%)
24M24.00 mi1.00 mi17018+14910939+9310939+9313964(Top 52%)9300(Top 61%)9300(Top 654%)
40K24.85 mi0.85 mi16922+9610884+5510884+5514459(Top 54%)9444(Top 62%)9444(Top 664%)
25.2M25.20 mi0.35 mi16884+3810859+2510859+2514057(Top 53%)9275(Top 61%)9275(Top 652%)
Finish26.22 mi1.02 mi16815+6910826+3310826+3315438(Top 58%)9923(Top 65%)9923(Top 698%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18584

Males

11709

M55-59

11709

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18445

Males

11686

M55-59

11686

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18584

Males

11709

M55-59

11709

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16823

Males

10968

M55-59

10968

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17112

Males

11121

M55-59

11121

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16952

Males

10949

M55-59

10949

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16530

Males

10703

M55-59

10703

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16218

Males

10502

M55-59

10502

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17303

Males

10913

M55-59

10913

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14838

Males

9818

M55-59

9818

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15122

Males

9859

M55-59

9859

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13964

Males

9300

M55-59

9300

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14459

Males

9444

M55-59

9444

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14057

Males

9275

M55-59

9275

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15438

Males

9923

M55-59

9923

Passing Analysis

Category:
Athletes Passed
2467
Passed By
865
Net Change
+1602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18417
5K → 10K322328-6#18417#18423
10K → 15K161204-43#18423#18466
15K → 20K45323+430#18466#18036
20K → Half6711+56#18036#17980
Half → 25K24036+204#17980#17776
25K → 30K32353+270#17776#17506
30K → 20M14021+119#17506#17387
20M → 21M8483+1#17387#17386
21M → 35K1108+102#17386#17284
35K → 23M14932+117#17284#17167
23M → 24M1556+149#17167#17018
24M → 40K10711+96#17018#16922
40K → 25.2M4911+38#16922#16884
25.2M → Finish10738+69#16884#16815
TOTALS2467865+1602
📊

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