Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Isaac Lee

Bib: 4403 β€’M β€’Age: N/A

IA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 24%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
19:27
3.11 mi
Rank: #2441
Start β†’ 5K
19:27 | 6:16/mi
10K
39:11
6.21 mi
Rank: #2791 (-350)
5K β†’ 10K
19:44 | 6:22/mi
15K
58:53
9.32 mi
Rank: #2892 (-101)
10K β†’ 15K
19:42 | 6:21/mi
20K
1:19:01
12.43 mi
Rank: #3092 (-200)
15K β†’ 20K
20:08 | 6:29/mi
HALF
1:23:25
13.11 mi
Rank: #3144 (-52)
20K β†’ HALF
4:24 | 6:28/mi
25K
1:39:39
15.53 mi
Rank: #3351 (-207)
HALF β†’ 25K
16:14 | 6:42/mi
30K
2:01:42
18.64 mi
Rank: #3818 (-467)
25K β†’ 30K
22:03 | 7:06/mi
20M
2:11:28
20.00 mi
Rank: #3978 (-160)
30K β†’ 20M
9:46 | 7:12/mi
21M
2:19:00
21.00 mi
Rank: #4097 (-119)
20M β†’ 21M
7:32 | 7:32/mi
35K
2:23:59
21.75 mi
Rank: #4082 (+15)
21M β†’ 35K
4:59 | 6:40/mi
23M
2:32:54
23.00 mi
Rank: #4173 (-91)
35K β†’ 23M
8:55 | 7:08/mi
24M
2:39:46
24.00 mi
Rank: #4189 (-16)
23M β†’ 24M
6:52 | 6:52/mi
40K
2:45:47
24.85 mi
Rank: #4213 (-24)
24M β†’ 40K
6:01 | 7:03/mi
25.2M
2:48:25
25.20 mi
Rank: #4245 (-32)
40K β†’ 25.2M
2:38 | 7:39/mi
FINISH
2:55:14
26.22 mi
Rank: #4268 (-23)
25.2M β†’ FINISH
6:49 | 6:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:25
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:31:49
Pace7:01 /mi
πŸ“ŠPositive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4219:276:1619:27
6:16
-
10K
6.21 mi10:41:2639:116:1919:44
6:22
+0:06
15K
9.32 mi11:01:0858:536:2019:42
6:21
-0:01
20K
12.43 mi11:21:161:19:016:2220:08
6:29
+0:08
HALF
13.11 mi11:25:401:23:256:224:24
6:28
-0:01
25K
15.53 mi11:41:541:39:396:2516:14
6:42
+0:14
30K
18.64 mi12:03:572:01:426:3222:03
7:06
+0:24
20M
20.00 mi12:13:432:11:286:359:46
7:12
+0:06
21M
21.00 mi12:21:152:19:006:387:32
7:32
+0:20
35K
21.75 mi12:26:142:23:596:384:59
6:40
-0:52
23M
23.00 mi12:35:092:32:546:398:55
7:08
+0:28
24M
24.00 mi12:42:012:39:466:406:52
6:52
-0:16
40K
24.85 mi12:48:022:45:476:416:01
7:03
+0:11
25.2M
25.20 mi12:50:402:48:256:412:38
7:39
+0:36
FINISH
26.22 mi12:57:292:55:146:426:49
6:42
-0:57

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:16 /mi

Average Pace

6:41 /mi

Slowest Pace

7:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:23:25

48% of race

Time at Steady Pace

34:54

20% of race

Time at Slower Pace

56:55

32% of race

Average Pace: 6:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:4219:276:1619:27
6:16
#2441
10K
6.21 mi10:41:2639:116:1919:44
6:22
#2791
15K
9.32 mi11:01:0858:536:2019:42
6:21
#2892
20K
12.43 mi11:21:161:19:016:2220:08
6:29
#3092
HALF
13.11 mi11:25:401:23:256:224:24
6:28
#3144
25K
15.53 mi11:41:541:39:396:2516:14
6:42
#3351
30K
18.64 mi12:03:572:01:426:3222:03
7:06
#3818
20M
20.00 mi12:13:432:11:286:359:46
7:12
#3978
21M
21.00 mi12:21:152:19:006:387:32
7:32
#4097
35K
21.75 mi12:26:142:23:596:384:59
6:40
#4082
23M
23.00 mi12:35:092:32:546:398:55
7:08
#4173
24M
24.00 mi12:42:012:39:466:406:52
6:52
#4189
40K
24.85 mi12:48:022:45:476:416:01
7:03
#4213
25.2M
25.20 mi12:50:402:48:256:412:38
7:39
#4245
FINISH
26.22 mi12:57:292:55:146:426:49
6:42
#4268
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2441234623463139(Top 11%)3003(Top 18%)3003(Top 52%)
10K6.21 mi3.10 mi2791-3502683-3372683-3373208(Top 11%)3075(Top 19%)3075(Top 54%)
15K9.32 mi3.11 mi2892-1012776-932776-933139(Top 11%)3003(Top 18%)3003(Top 52%)
20K12.43 mi3.11 mi3092-2002964-1882964-1883636(Top 13%)3469(Top 21%)3469(Top 61%)
HALF13.11 mi0.68 mi3144-523014-503014-504114(Top 14%)3893(Top 24%)3893(Top 68%)
25K15.53 mi2.42 mi3351-2073204-1903204-1904832(Top 17%)4463(Top 27%)4463(Top 78%)
30K18.64 mi3.11 mi3818-4673629-4253629-4256625(Top 23%)5729(Top 35%)5729(Top 100%)
20M20.00 mi1.36 mi3978-1603754-1253754-1256846(Top 24%)5796(Top 35%)5796(Top 101%)
21M21.00 mi1.00 mi4097-1193851-973851-976659(Top 23%)5537(Top 34%)5537(Top 97%)
35K21.75 mi0.75 mi4082+153835+163835+164631(Top 16%)4125(Top 25%)4125(Top 72%)
23M23.00 mi1.25 mi4173-913910-753910-756269(Top 22%)5270(Top 32%)5270(Top 92%)
24M24.00 mi1.00 mi4189-163918-83918-85559(Top 19%)4726(Top 29%)4726(Top 83%)
40K24.85 mi0.85 mi4213-243923-53923-55670(Top 20%)4749(Top 29%)4749(Top 83%)
25.2M25.20 mi0.35 mi4245-323942-193942-195929(Top 20%)4848(Top 30%)4848(Top 85%)
FINISH26.22 mi1.02 mi4268-233951-93951-95344(Top 18%)4417(Top 27%)4417(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
Γ—21
+97ft-345ft

Overall

3139

Males

3003

M18-39

3003

5K→10K

3.1 - 6.2 mi

Top 11%
Γ—5
+79ft-138ft

Overall

3208

Males

3075

M18-39

3075

10K→15K

6.2 - 9.3 mi

Top 11%
Γ—3
+67ft-78ft

Overall

3139

Males

3003

M18-39

3003

15K→20K

9.3 - 12.4 mi

Top 13%
Γ—5
+106ft-86ft

Overall

3636

Males

3469

M18-39

3469

20K→HALF

12.4 - 13.1 mi

Top 14%
Γ—2
+19ft-37ft

Overall

4114

Males

3893

M18-39

3893

HALF→25K

13.1 - 15.5 mi

Top 17%
Γ—4
+66ft-88ft

Overall

4832

Males

4463

M18-39

4463

25K→30K

15.5 - 18.6 mi

Top 23%
Γ—9
+181ft-148ft

Overall

6625

Males

5729

M18-39

5729

30K→20M

18.6 - 20.0 mi

Top 24%
Γ—5
+64ft-50ft

Overall

6846

Males

5796

M18-39

5796

20M→21M

20.0 - 21.0 mi

Top 23%
Γ—8
+106ft-24ft

Overall

6659

Males

5537

M18-39

5537

21M→35K

21.0 - 21.8 mi

Top 16%
Γ—7
+17ft-86ft

Overall

4631

Males

4125

M18-39

4125

35K→23M

21.8 - 23.0 mi

Top 22%
Γ—5
+23ft-63ft

Overall

6269

Males

5270

M18-39

5270

23M→24M

23.0 - 24.0 mi

Top 19%
Γ—6
+12ft-82ft

Overall

5559

Males

4726

M18-39

4726

24M→40K

24.0 - 24.9 mi

Top 20%
Γ—1
+6ft-20ft

Overall

5670

Males

4749

M18-39

4749

40K→25.2M

24.9 - 25.2 mi

Top 20%
Γ—1
+13ft-16ft

Overall

5929

Males

4848

M18-39

4848

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
Γ—2
+22ft-21ft

Overall

5344

Males

4417

M18-39

4417

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
435
Passed By
1731
Net Change
-1827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2441
5K β†’ 10K18200-350#2441#2791
10K β†’ 15K38139-101#2791#2892
15K β†’ 20K35200-200#2892#3092
20K β†’ HALF254-52#3092#3144
HALF β†’ 25K29200-207#3144#3351
25K β†’ 30K25200-467#3351#3818
30K β†’ 20M27187-160#3818#3978
20M β†’ 21M25144-119#3978#4097
21M β†’ 35K4429+15#4097#4082
35K β†’ 23M42133-91#4082#4173
23M β†’ 24M5268-16#4173#4189
24M β†’ 40K4771-24#4189#4213
40K β†’ 25.2M1042-32#4213#4245
25.2M β†’ FINISH4164-23#4245#4268
TOTALS4351731-1827
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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