Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Simon Law

Bib: 9571MAge: N/A

GA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 41%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 44%
Age Group (M45-49)
#0 / 2413
Race Day Weather
51°/41°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
23:53
3.11 mi
Rank: #14408
Start5K
23:53 | 7:42/mi
10K
48:08
6.21 mi
Rank: #15019 (-611)
5K10K
24:15 | 7:49/mi
15K
1:11:52
9.32 mi
Rank: #14631 (+388)
10K15K
23:44 | 7:39/mi
20K
1:35:36
12.43 mi
Rank: #14249 (+382)
15K20K
23:44 | 7:39/mi
HALF
1:40:41
13.11 mi
Rank: #14145 (+104)
20KHALF
5:05 | 7:28/mi
25K
1:59:00
15.53 mi
Rank: #13729 (+416)
HALF25K
18:19 | 7:34/mi
30K
2:22:47
18.64 mi
Rank: #13198 (+531)
25K30K
23:47 | 7:40/mi
20M
2:33:11
20.00 mi
Rank: #12954 (+244)
30K20M
10:24 | 7:40/mi
21M
2:41:12
21.00 mi
Rank: #12759 (+195)
20M21M
8:01 | 8:01/mi
35K
2:46:43
21.75 mi
Rank: #12646 (+113)
21M35K
5:31 | 7:23/mi
23M
2:56:22
23.00 mi
Rank: #12494 (+152)
35K23M
9:39 | 7:43/mi
24M
3:03:51
24.00 mi
Rank: #12357 (+137)
23M24M
7:29 | 7:29/mi
40K
3:10:17
24.85 mi
Rank: #12208 (+149)
24M40K
6:26 | 7:32/mi
25.2M
3:13:02
25.20 mi
Rank: #12116 (+92)
40K25.2M
2:45 | 7:59/mi
FINISH
3:20:20
26.22 mi
Rank: #11958 (+158)
25.2MFINISH
7:18 | 7:10/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:40:41
Pace7:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:39
Pace7:37 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:40:1323:537:4223:53
7:42
-
10K
6.21 mi11:04:2848:087:4524:15
7:49
+0:07
15K
9.32 mi11:28:121:11:527:4323:44
7:39
-0:10
20K
12.43 mi11:51:561:35:367:4223:44
7:39
0:00
HALF
13.11 mi11:57:011:40:417:415:05
7:28
-0:11
25K
15.53 mi12:15:201:59:007:4018:19
7:34
+0:06
30K
18.64 mi12:39:072:22:477:4023:47
7:40
+0:06
20M
20.00 mi12:49:312:33:117:4010:24
7:40
0:00
21M
21.00 mi12:57:322:41:127:418:01
8:01
+0:21
35K
21.75 mi13:03:032:46:437:405:31
7:23
-0:38
23M
23.00 mi13:12:422:56:227:419:39
7:43
+0:20
24M
24.00 mi13:20:113:03:517:407:29
7:29
-0:14
40K
24.85 mi13:26:373:10:177:406:26
7:32
+0:03
25.2M
25.20 mi13:29:223:13:027:402:45
7:59
+0:27
FINISH
26.22 mi13:36:403:20:207:397:18
7:10
-0:49

Checkpoint Splits Visualizations

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

📈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

7:10 /mi

Average Pace

7:39 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

3:09:34

95% of race

Time at Steady Pace

10:46

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:40:1323:537:4223:53
7:42
#14408
10K
6.21 mi11:04:2848:087:4524:15
7:49
#15019
15K
9.32 mi11:28:121:11:527:4323:44
7:39
#14631
20K
12.43 mi11:51:561:35:367:4223:44
7:39
#14249
HALF
13.11 mi11:57:011:40:417:415:05
7:28
#14145
25K
15.53 mi12:15:201:59:007:4018:19
7:34
#13729
30K
18.64 mi12:39:072:22:477:4023:47
7:40
#13198
20M
20.00 mi12:49:312:33:117:4010:24
7:40
#12954
21M
21.00 mi12:57:322:41:127:418:01
8:01
#12759
35K
21.75 mi13:03:032:46:437:405:31
7:23
#12646
23M
23.00 mi13:12:422:56:227:419:39
7:43
#12494
24M
24.00 mi13:20:113:03:517:407:29
7:29
#12357
40K
24.85 mi13:26:373:10:177:406:26
7:32
#12208
25.2M
25.20 mi13:29:223:13:027:402:45
7:59
#12116
FINISH
26.22 mi13:36:403:20:207:397:18
7:10
#11958
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14408100351003513992(Top 48%)9797(Top 60%)9797(Top 406%)
10K6.21 mi3.10 mi15019-61110227-19210227-19215668(Top 54%)10475(Top 64%)10475(Top 434%)
15K9.32 mi3.11 mi14631+38810062+16510062+16513992(Top 48%)9797(Top 60%)9797(Top 406%)
20K12.43 mi3.11 mi14249+3829904+1589904+15813158(Top 45%)9356(Top 57%)9356(Top 388%)
HALF13.11 mi0.68 mi14145+1049853+519853+5112583(Top 43%)9177(Top 56%)9177(Top 380%)
25K15.53 mi2.42 mi13729+4169663+1909663+19011847(Top 41%)8716(Top 53%)8716(Top 361%)
30K18.64 mi3.11 mi13198+5319386+2779386+27710887(Top 38%)8150(Top 50%)8150(Top 338%)
20M20.00 mi1.36 mi12954+2449246+1409246+14010269(Top 35%)7710(Top 47%)7710(Top 320%)
21M21.00 mi1.00 mi12759+1959138+1089138+1089986(Top 34%)7467(Top 46%)7467(Top 309%)
35K21.75 mi0.75 mi12646+1139081+579081+579893(Top 34%)7436(Top 46%)7436(Top 308%)
23M23.00 mi1.25 mi12494+1528995+868995+8610369(Top 36%)7554(Top 46%)7554(Top 313%)
24M24.00 mi1.00 mi12357+1378914+818914+819944(Top 34%)7274(Top 45%)7274(Top 301%)
40K24.85 mi0.85 mi12208+1498818+968818+969012(Top 31%)6707(Top 41%)6707(Top 278%)
25.2M25.20 mi0.35 mi12116+928769+498769+498187(Top 28%)6222(Top 38%)6222(Top 258%)
FINISH26.22 mi1.02 mi11958+1588681+888681+888839(Top 30%)6503(Top 40%)6503(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13992

Males

9797

M45-49

9797

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15668

Males

10475

M45-49

10475

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13992

Males

9797

M45-49

9797

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13158

Males

9356

M45-49

9356

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12583

Males

9177

M45-49

9177

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11847

Males

8716

M45-49

8716

25K→30K

15.5 - 18.6 mi

Top 38%
×9
+181ft-148ft

Overall

10887

Males

8150

M45-49

8150

30K→20M

18.6 - 20.0 mi

Top 35%
×5
+64ft-50ft

Overall

10269

Males

7710

M45-49

7710

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9986

Males

7467

M45-49

7467

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9893

Males

7436

M45-49

7436

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10369

Males

7554

M45-49

7554

23M→24M

23.0 - 24.0 mi

Top 34%
×6
+12ft-82ft

Overall

9944

Males

7274

M45-49

7274

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

9012

Males

6707

M45-49

6707

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8187

Males

6222

M45-49

6222

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8839

Males

6503

M45-49

6503

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3347*
Passed By
383
Net Change
+2450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14408
5K10K103200-611#14408#15019
10K15K449*61+388#15019#14631
15K20K405*23+382#14631#14249
20KHALF1084+104#14249#14145
HALF25K418*2+416#14145#13729
25K30K542*11+531#13729#13198
30K20M253*9+244#13198#12954
20M21M204*9+195#12954#12759
21M35K1196+113#12759#12646
35K23M17220+152#12646#12494
23M24M15316+137#12494#12357
24M40K1567+149#12357#12208
40K25.2M931+92#12208#12116
25.2MFINISH17214+158#12116#11958
TOTALS3347*383+2450

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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