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BOSTON MARATHON 2023

Kepin Tung

Bib: 9492•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M50-54)
#0 / 2052
Top 17%
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
6:54/mi
21:25
↑ 97↓ 3451.5%
10K· 6.21 mi
6:46/mi
42:25
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:03:57
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:26:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:30:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:11/mi
1:48:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:11:44
↑ 181↓ 1480.2%
20M
7:33/mi
2:22:00
↑ 64↓ 500.2%
21M
8:06/mi
2:30:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:35:30
↑ 17↓ 861.7%
23M
7:37/mi
2:45:02
↑ 23↓ 630.6%
24M
7:32/mi
2:52:34
↓ 821.3%
40K· 24.85 mi
7:45/mi
2:59:12
↓ 200.3%
25.2M
8:30/mi
3:02:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:09:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:59
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4121:256:5421:25
6:54
-
10K
6.21 mi11:07:4142:256:5021:00
6:46
-0:08
15K
9.32 mi11:29:131:03:576:5221:32
6:56
+0:10
20K
12.43 mi11:51:281:26:126:5622:15
7:10
+0:14
Half
13.11 mi11:56:151:30:596:564:47
7:01
-0:09
25K
15.53 mi12:13:411:48:256:5917:26
7:11
+0:10
30K
18.64 mi12:37:002:11:447:0423:19
7:30
+0:19
20M
20.00 mi12:47:162:22:007:0610:16
7:33
+0:03
21M
21.00 mi12:55:222:30:067:098:06
8:06
+0:33
35K
21.75 mi13:00:462:35:307:095:24
7:13
-0:53
23M
23.00 mi13:10:182:45:027:119:32
7:37
+0:24
24M
24.00 mi13:17:502:52:347:117:32
7:32
-0:05
40K
24.85 mi13:24:282:59:127:136:38
7:45
+0:13
25.2M
25.20 mi13:27:243:02:087:142:56
8:30
+0:45
Finish
26.22 mi13:35:053:09:497:157:41
7:32
-0:58

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

6:46 /mi

Average Pace

7:15 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:49

60% of race

Time at Steady Pace

58:20

31% of race

Time at Slower Pace

17:40

9% of race

Average Pace: 7:14 /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 mi10:46:4121:256:5421:25
6:54
#5511
10K
6.21 mi11:07:4142:256:5021:00
6:46
#5191
15K
9.32 mi11:29:131:03:576:5221:32
6:56
#5566
20K
12.43 mi11:51:281:26:126:5622:15
7:10
#5960
Half
13.11 mi11:56:151:30:596:564:47
7:01
#5994
25K
15.53 mi12:13:411:48:256:5917:26
7:11
#6083
30K
18.64 mi12:37:002:11:447:0423:19
7:30
#6222
20M
20.00 mi12:47:162:22:007:0610:16
7:33
#6227
21M
21.00 mi12:55:222:30:067:098:06
8:06
#6270
35K
21.75 mi13:00:462:35:307:095:24
7:13
#6254
23M
23.00 mi13:10:182:45:027:119:32
7:37
#6249
24M
24.00 mi13:17:502:52:347:117:32
7:32
#6258
40K
24.85 mi13:24:282:59:127:136:38
7:45
#6293
25.2M
25.20 mi13:27:243:02:087:142:56
8:30
#6326
Finish
26.22 mi13:35:053:09:497:157:41
7:32
#6386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5511508450846143(Top 23%)5570(Top 37%)5570(Top 271%)
10K6.21 mi3.10 mi5191+3204808+2764808+2764915(Top 18%)4560(Top 30%)4560(Top 222%)
15K9.32 mi3.11 mi5566-3755128-3205128-3206143(Top 23%)5570(Top 37%)5570(Top 271%)
20K12.43 mi3.11 mi5960-3945443-3155443-3156865(Top 26%)6109(Top 40%)6109(Top 298%)
Half13.11 mi0.68 mi5994-345470-275470-276581(Top 25%)5921(Top 39%)5921(Top 289%)
25K15.53 mi2.42 mi6083-895545-755545-756620(Top 25%)5875(Top 39%)5875(Top 286%)
30K18.64 mi3.11 mi6222-1395630-855630-857232(Top 27%)6212(Top 41%)6212(Top 303%)
20M20.00 mi1.36 mi6227-55622+85622+87144(Top 27%)6061(Top 40%)6061(Top 295%)
21M21.00 mi1.00 mi6270-435645-235645-237971(Top 30%)6448(Top 42%)6448(Top 314%)
35K21.75 mi0.75 mi6254+165630+155630+156605(Top 25%)5642(Top 37%)5642(Top 275%)
23M23.00 mi1.25 mi6249+55612+185612+187152(Top 27%)5912(Top 39%)5912(Top 288%)
24M24.00 mi1.00 mi6258-95608+45608+47891(Top 30%)6239(Top 41%)6239(Top 304%)
40K24.85 mi0.85 mi6293-355620-125620-128335(Top 31%)6441(Top 42%)6441(Top 314%)
25.2M25.20 mi0.35 mi6326-335643-235643-239444(Top 35%)6970(Top 46%)6970(Top 340%)
Finish26.22 mi1.02 mi6386-605676-335676-338808(Top 33%)6636(Top 44%)6636(Top 323%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6143

Males

5570

M50-54

5570

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4915

Males

4560

M50-54

4560

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6143

Males

5570

M50-54

5570

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6865

Males

6109

M50-54

6109

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6581

Males

5921

M50-54

5921

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6620

Males

5875

M50-54

5875

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7232

Males

6212

M50-54

6212

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7144

Males

6061

M50-54

6061

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7971

Males

6448

M50-54

6448

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6605

Males

5642

M50-54

5642

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7152

Males

5912

M50-54

5912

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7891

Males

6239

M50-54

6239

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8335

Males

6441

M50-54

6441

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9444

Males

6970

M50-54

6970

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8808

Males

6636

M50-54

6636

Passing Analysis

Category:
Athletes Passed
949
Passed By
1824
Net Change
-875
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5511
5K → 10K40383+320#5511#5191
10K → 15K29404-375#5191#5566
15K → 20K25419-394#5566#5960
20K → Half1448-34#5960#5994
Half → 25K51140-89#5994#6083
25K → 30K78217-139#6083#6222
30K → 20M5964-5#6222#6227
20M → 21M4790-43#6227#6270
21M → 35K3317+16#6270#6254
35K → 23M7469+5#6254#6249
23M → 24M5968-9#6249#6258
24M → 40K3772-35#6258#6293
40K → 25.2M1649-33#6293#6326
25.2M → Finish2484-60#6326#6386
TOTALS9491824-875
📊

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