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BOSTON MARATHON 2023

Brian Lin

Bib: 2676•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:00
Rank: #1963
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
39:40
Rank: #1903 (+60)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:08
Rank: #1763 (+140)
10K → 15K
19:28 | 6:16/mi
20K· 12.43 mi
1:18:53
Rank: #1716 (+47)
15K → 20K
19:45 | 6:21/mi
Half· 13.11 mi
1:23:07
Rank: #1700 (+16)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:38:35
Rank: #1682 (+18)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
1:58:52
Rank: #1651 (+31)
25K → 30K
20:17 | 6:32/mi
20M
2:07:51
Rank: #1646 (+5)
30K → 20M
8:59 | 6:37/mi
21M
2:14:47
Rank: #1638 (+8)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:19:28
Rank: #1618 (+20)
21M → 35K
4:41 | 6:16/mi
23M
2:27:24
Rank: #1550 (+68)
35K → 23M
7:56 | 6:20/mi
24M
2:33:32
Rank: #1491 (+59)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:38:58
Rank: #1462 (+29)
24M → 40K
5:26 | 6:21/mi
25.2M
2:41:16
Rank: #1447 (+15)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:47:31
Rank: #1408 (+39)
25.2M → Finish
6:15 | 6:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:07
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:24:24
Pace6:26 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3620:006:2620:00
6:26
-
10K
6.21 mi10:40:1639:406:2319:40
6:20
-0:06
15K
9.32 mi10:59:4459:086:2119:28
6:16
-0:04
20K
12.43 mi11:19:291:18:536:2119:45
6:21
+0:05
Half
13.11 mi11:23:431:23:076:204:14
6:12
-0:09
25K
15.53 mi11:39:111:38:356:2115:28
6:23
+0:11
30K
18.64 mi11:59:281:58:526:2320:17
6:32
+0:09
20M
20.00 mi12:08:272:07:516:248:59
6:37
+0:05
21M
21.00 mi12:15:232:14:476:256:56
6:56
+0:19
35K
21.75 mi12:20:042:19:286:254:41
6:16
-0:40
23M
23.00 mi12:28:002:27:246:257:56
6:20
+0:04
24M
24.00 mi12:34:082:33:326:246:08
6:08
-0:12
40K
24.85 mi12:39:342:38:586:245:26
6:21
+0:13
25.2M
25.20 mi12:41:522:41:166:242:18
6:40
+0:19
Finish
26.22 mi12:48:072:47:316:246:15
6:08
-0:32

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

6:08 /mi

Average Pace

6:24 /mi

Slowest Pace

6:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:35

96% of race

Time at Steady Pace

6:56

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:20:3620:006:2620:00
6:26
#1963
10K
6.21 mi10:40:1639:406:2319:40
6:20
#1903
15K
9.32 mi10:59:4459:086:2119:28
6:16
#1763
20K
12.43 mi11:19:291:18:536:2119:45
6:21
#1716
Half
13.11 mi11:23:431:23:076:204:14
6:12
#1700
25K
15.53 mi11:39:111:38:356:2115:28
6:23
#1682
30K
18.64 mi11:59:281:58:526:2320:17
6:32
#1651
20M
20.00 mi12:08:272:07:516:248:59
6:37
#1646
21M
21.00 mi12:15:232:14:476:256:56
6:56
#1638
35K
21.75 mi12:20:042:19:286:254:41
6:16
#1618
23M
23.00 mi12:28:002:27:246:257:56
6:20
#1550
24M
24.00 mi12:34:082:33:326:246:08
6:08
#1491
40K
24.85 mi12:39:342:38:586:245:26
6:21
#1462
25.2M
25.20 mi12:41:522:41:166:242:18
6:40
#1447
Finish
26.22 mi12:48:072:47:316:246:15
6:08
#1408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1963187318731495(Top 6%)1427(Top 9%)1427(Top 27%)
10K6.21 mi3.10 mi1903+601822+511822+511889(Top 7%)1808(Top 12%)1808(Top 34%)
15K9.32 mi3.11 mi1763+1401685+1371685+1371495(Top 6%)1427(Top 9%)1427(Top 27%)
20K12.43 mi3.11 mi1716+471642+431642+431619(Top 6%)1548(Top 10%)1548(Top 29%)
Half13.11 mi0.68 mi1700+161628+141628+141383(Top 5%)1323(Top 9%)1323(Top 25%)
25K15.53 mi2.42 mi1682+181610+181610+181633(Top 6%)1563(Top 10%)1563(Top 30%)
30K18.64 mi3.11 mi1651+311577+331577+331666(Top 6%)1593(Top 10%)1593(Top 30%)
20M20.00 mi1.36 mi1646+51573+41573+41883(Top 7%)1795(Top 12%)1795(Top 34%)
21M21.00 mi1.00 mi1638+81566+71566+71865(Top 7%)1771(Top 12%)1771(Top 34%)
35K21.75 mi0.75 mi1618+201547+191547+191430(Top 5%)1356(Top 9%)1356(Top 26%)
23M23.00 mi1.25 mi1550+681480+671480+67935(Top 4%)890(Top 6%)890(Top 17%)
24M24.00 mi1.00 mi1491+591422+581422+58844(Top 3%)800(Top 5%)800(Top 15%)
40K24.85 mi0.85 mi1462+291395+271395+271063(Top 4%)1006(Top 7%)1006(Top 19%)
25.2M25.20 mi0.35 mi1447+151381+141381+14840(Top 3%)801(Top 5%)801(Top 15%)
Finish26.22 mi1.02 mi1408+391341+401341+401083(Top 4%)1032(Top 7%)1032(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1495

Males

1427

M18-39

1427

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1889

Males

1808

M18-39

1808

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1495

Males

1427

M18-39

1427

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1619

Males

1548

M18-39

1548

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1383

Males

1323

M18-39

1323

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1633

Males

1563

M18-39

1563

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1666

Males

1593

M18-39

1593

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1883

Males

1795

M18-39

1795

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1865

Males

1771

M18-39

1771

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1430

Males

1356

M18-39

1356

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

935

Males

890

M18-39

890

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

844

Males

800

M18-39

800

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1063

Males

1006

M18-39

1006

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

840

Males

801

M18-39

801

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1083

Males

1032

M18-39

1032

Passing Analysis

Category:
Athletes Passed
800
Passed By
245
Net Change
+555
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1963
5K → 10K13373+60#1963#1903
10K → 15K15616+140#1903#1763
15K → 20K6922+47#1763#1716
20K → Half193+16#1716#1700
Half → 25K4628+18#1700#1682
25K → 30K6837+31#1682#1651
30K → 20M1914+5#1651#1646
20M → 21M2618+8#1646#1638
21M → 35K277+20#1638#1618
35K → 23M735+68#1618#1550
23M → 24M623+59#1550#1491
24M → 40K345+29#1491#1462
40K → 25.2M216+15#1462#1447
25.2M → Finish478+39#1447#1408
TOTALS800245+555
📊

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