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BOSTON MARATHON 2023

Shao Yong Tan

Bib: 6484•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 47%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #5692
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
42:43
Rank: #5623 (+69)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:04:27
Rank: #5958 (-335)
10K → 15K
21:44 | 7:00/mi
20K· 12.43 mi
1:27:07
Rank: #6416 (-458)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:32:06
Rank: #6501 (-85)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:50:33
Rank: #6870 (-369)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:15:19
Rank: #7353 (-483)
25K → 30K
24:46 | 7:58/mi
20M
2:26:21
Rank: #7564 (-211)
30K → 20M
11:02 | 8:07/mi
21M
2:35:12
Rank: #7793 (-229)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:41:16
Rank: #7978 (-185)
21M → 35K
6:04 | 8:07/mi
23M
2:52:12
Rank: #8373 (-395)
35K → 23M
10:56 | 8:44/mi
24M
3:00:34
Rank: #8591 (-218)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:07:30
Rank: #8648 (-57)
24M → 40K
6:56 | 8:07/mi
25.2M
3:10:28
Rank: #8677 (-29)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:18:30
Rank: #8741 (-64)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4621:296:5521:29
6:55
-
10K
6.21 mi10:46:0042:436:5221:14
6:50
-0:05
15K
9.32 mi11:07:441:04:276:5521:44
7:00
+0:10
20K
12.43 mi11:30:241:27:077:0122:40
7:18
+0:18
Half
13.11 mi11:35:231:32:067:024:59
7:18
0:00
25K
15.53 mi11:53:501:50:337:0718:27
7:37
+0:19
30K
18.64 mi12:18:362:15:197:1624:46
7:58
+0:21
20M
20.00 mi12:29:382:26:217:1911:02
8:07
+0:09
21M
21.00 mi12:38:292:35:127:238:51
8:51
+0:44
35K
21.75 mi12:44:332:41:167:256:04
8:07
-0:44
23M
23.00 mi12:55:292:52:127:2910:56
8:44
+0:37
24M
24.00 mi13:03:513:00:347:318:22
8:22
-0:22
40K
24.85 mi13:10:473:07:307:336:56
8:07
-0:15
25.2M
25.20 mi13:13:453:10:287:332:58
8:36
+0:29
Finish
26.22 mi13:21:473:18:307:358:02
7:53
-0:43

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

6:50 /mi

Average Pace

7:35 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:33

56% of race

Time at Steady Pace

56:50

29% of race

Time at Slower Pace

31:07

16% of race

Average Pace: 7:34 /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 mi10:24:4621:296:5521:29
6:55
#5692
10K
6.21 mi10:46:0042:436:5221:14
6:50
#5623
15K
9.32 mi11:07:441:04:276:5521:44
7:00
#5958
20K
12.43 mi11:30:241:27:077:0122:40
7:18
#6416
Half
13.11 mi11:35:231:32:067:024:59
7:18
#6501
25K
15.53 mi11:53:501:50:337:0718:27
7:37
#6870
30K
18.64 mi12:18:362:15:197:1624:46
7:58
#7353
20M
20.00 mi12:29:382:26:217:1911:02
8:07
#7564
21M
21.00 mi12:38:292:35:127:238:51
8:51
#7793
35K
21.75 mi12:44:332:41:167:256:04
8:07
#7978
23M
23.00 mi12:55:292:52:127:2910:56
8:44
#8373
24M
24.00 mi13:03:513:00:347:318:22
8:22
#8591
40K
24.85 mi13:10:473:07:307:336:56
8:07
#8648
25.2M
25.20 mi13:13:453:10:287:332:58
8:36
#8677
Finish
26.22 mi13:21:473:18:307:358:02
7:53
#8741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5692523652366533(Top 25%)5887(Top 39%)5887(Top 111%)
10K6.21 mi3.10 mi5623+695179+575179+575627(Top 21%)5169(Top 34%)5169(Top 98%)
15K9.32 mi3.11 mi5958-3355445-2665445-2666533(Top 25%)5887(Top 39%)5887(Top 111%)
20K12.43 mi3.11 mi6416-4585795-3505795-3507753(Top 29%)6728(Top 44%)6728(Top 127%)
Half13.11 mi0.68 mi6501-855861-665861-668600(Top 32%)7264(Top 48%)7264(Top 137%)
25K15.53 mi2.42 mi6870-3696144-2836144-2839594(Top 36%)7754(Top 51%)7754(Top 147%)
30K18.64 mi3.11 mi7353-4836468-3246468-32410641(Top 40%)8160(Top 54%)8160(Top 154%)
20M20.00 mi1.36 mi7564-2116572-1046572-10411122(Top 42%)8306(Top 55%)8306(Top 157%)
21M21.00 mi1.00 mi7793-2296716-1446716-14412511(Top 47%)8795(Top 58%)8795(Top 166%)
35K21.75 mi0.75 mi7978-1856811-956811-9512795(Top 48%)8882(Top 59%)8882(Top 168%)
23M23.00 mi1.25 mi8373-3957045-2347045-23414551(Top 55%)9592(Top 63%)9592(Top 181%)
24M24.00 mi1.00 mi8591-2187159-1147159-11413596(Top 51%)9120(Top 60%)9120(Top 173%)
40K24.85 mi0.85 mi8648-577172-137172-1310725(Top 40%)7701(Top 51%)7701(Top 146%)
25.2M25.20 mi0.35 mi8677-297176-47176-410101(Top 38%)7335(Top 48%)7335(Top 139%)
Finish26.22 mi1.02 mi8741-647185-97185-911251(Top 42%)7908(Top 52%)7908(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6533

Males

5887

M18-39

5887

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5627

Males

5169

M18-39

5169

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6533

Males

5887

M18-39

5887

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7753

Males

6728

M18-39

6728

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8600

Males

7264

M18-39

7264

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9594

Males

7754

M18-39

7754

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10641

Males

8160

M18-39

8160

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11122

Males

8306

M18-39

8306

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12511

Males

8795

M18-39

8795

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12795

Males

8882

M18-39

8882

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14551

Males

9592

M18-39

9592

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13596

Males

9120

M18-39

9120

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10725

Males

7701

M18-39

7701

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10101

Males

7335

M18-39

7335

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11251

Males

7908

M18-39

7908

Passing Analysis

Category:
Athletes Passed
533
Passed By
3582
Net Change
-3049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5692
5K → 10K235166+69#5692#5623
10K → 15K31366-335#5623#5958
15K → 20K20478-458#5958#6416
20K → Half388-85#6416#6501
Half → 25K20389-369#6501#6870
25K → 30K22505-483#6870#7353
30K → 20M32243-211#7353#7564
20M → 21M14243-229#7564#7793
21M → 35K13198-185#7793#7978
35K → 23M20415-395#7978#8373
23M → 24M29247-218#8373#8591
24M → 40K4097-57#8591#8648
40K → 25.2M1544-29#8648#8677
25.2M → Finish39103-64#8677#8741
TOTALS5333582-3049
📊

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