Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Joe Croshaw

Bib: 5637MAge: N/A

TX

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 49%
Age Group (M40-44)
#0 / 2198
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
20:42
3.11 mi
Rank: #5565
Start5K
20:42 | 6:40/mi
10K
41:22
6.21 mi
Rank: #5482 (+83)
5K10K
20:40 | 6:40/mi
15K
1:01:58
9.32 mi
Rank: #5355 (+127)
10K15K
20:36 | 6:38/mi
20K
1:22:56
12.43 mi
Rank: #5405 (-50)
15K20K
20:58 | 6:45/mi
HALF
1:27:29
13.11 mi
Rank: #5423 (-18)
20KHALF
4:33 | 6:41/mi
25K
1:43:50
15.53 mi
Rank: #5346 (+77)
HALF25K
16:21 | 6:45/mi
30K
2:16:31
18.64 mi
Rank: #10259 (-4913)
25K30K
32:41 | 10:32/mi
20M
2:31:27
20.00 mi
Rank: #12250 (-1991)
30K20M
14:56 | 11:00/mi
21M
2:40:27
21.00 mi
Rank: #12485 (-235)
20M21M
9:00 | 9:00/mi
35K
2:46:52
21.75 mi
Rank: #12708 (-223)
21M35K
6:25 | 8:35/mi
23M
2:57:32
23.00 mi
Rank: #12886 (-178)
35K23M
10:40 | 8:32/mi
24M
3:06:06
24.00 mi
Rank: #13101 (-215)
23M24M
8:34 | 8:34/mi
40K
3:13:56
24.85 mi
Rank: #13350 (-249)
24M40K
7:50 | 9:10/mi
25.2M
3:17:11
25.20 mi
Rank: #13423 (-73)
40K25.2M
3:15 | 9:26/mi
FINISH
3:25:44
26.22 mi
Rank: #13621 (-198)
25.2MFINISH
8:33 | 8:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:27:29
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:58:15
Pace9:02 /mi
📊Positive Split: 35.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3020:426:4020:42
6:40
-
10K
6.21 mi10:46:1041:226:4020:40
6:40
0:00
15K
9.32 mi11:06:461:01:586:3920:36
6:38
-0:02
20K
12.43 mi11:27:441:22:566:4120:58
6:45
+0:07
HALF
13.11 mi11:32:171:27:296:414:33
6:41
-0:04
25K
15.53 mi11:48:381:43:506:4216:21
6:45
+0:04
30K
18.64 mi12:21:192:16:317:2032:41
10:32
+3:47
20M
20.00 mi12:36:152:31:277:3514:56
11:00
+0:28
21M
21.00 mi12:45:152:40:277:399:00
9:00
-2:00
35K
21.75 mi12:51:402:46:527:416:25
8:35
-0:25
23M
23.00 mi13:02:202:57:327:4410:40
8:32
-0:03
24M
24.00 mi13:10:543:06:067:468:34
8:34
+0:02
40K
24.85 mi13:18:443:13:567:497:50
9:10
+0:36
25.2M
25.20 mi13:21:593:17:117:503:15
9:26
+0:16
FINISH
26.22 mi13:30:323:25:447:528:33
8:24
-1:02

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

6:38 /mi

Average Pace

7:51 /mi

Slowest Pace

11:00 /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

1:43:50

50% of race

Time at Steady Pace

51:02

25% of race

Time at Slower Pace

50:52

25% of race

Average Pace: 7:51 /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 mi10:25:3020:426:4020:42
6:40
#5565
10K
6.21 mi10:46:1041:226:4020:40
6:40
#5482
15K
9.32 mi11:06:461:01:586:3920:36
6:38
#5355
20K
12.43 mi11:27:441:22:566:4120:58
6:45
#5405
HALF
13.11 mi11:32:171:27:296:414:33
6:41
#5423
25K
15.53 mi11:48:381:43:506:4216:21
6:45
#5346
30K
18.64 mi12:21:192:16:317:2032:41
10:32
#10259
20M
20.00 mi12:36:152:31:277:3514:56
11:00
#12250
21M
21.00 mi12:45:152:40:277:399:00
9:00
#12485
35K
21.75 mi12:51:402:46:527:416:25
8:35
#12708
23M
23.00 mi13:02:202:57:327:4410:40
8:32
#12886
24M
24.00 mi13:10:543:06:067:468:34
8:34
#13101
40K
24.85 mi13:18:443:13:567:497:50
9:10
#13350
25.2M
25.20 mi13:21:593:17:117:503:15
9:26
#13423
FINISH
26.22 mi13:30:323:25:447:528:33
8:24
#13621
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5565513851385179(Top 18%)4810(Top 29%)4810(Top 219%)
10K6.21 mi3.10 mi5482+835079+595079+595505(Top 19%)5078(Top 31%)5078(Top 231%)
15K9.32 mi3.11 mi5355+1274962+1174962+1175179(Top 18%)4810(Top 29%)4810(Top 219%)
20K12.43 mi3.11 mi5405-504999-374999-375677(Top 20%)5176(Top 32%)5176(Top 235%)
HALF13.11 mi0.68 mi5423-185012-135012-136002(Top 21%)5430(Top 33%)5430(Top 247%)
25K15.53 mi2.42 mi5346+774943+694943+695279(Top 18%)4823(Top 30%)4823(Top 219%)
30K18.64 mi3.11 mi10259-49138061-31188061-311824334(Top 84%)14222(Top 87%)14222(Top 647%)
20M20.00 mi1.36 mi12250-19918962-9018962-90124901(Top 86%)14415(Top 88%)14415(Top 656%)
21M21.00 mi1.00 mi12485-2359023-619023-6116097(Top 55%)10293(Top 63%)10293(Top 468%)
35K21.75 mi0.75 mi12708-2239107-849107-8417958(Top 62%)11016(Top 67%)11016(Top 501%)
23M23.00 mi1.25 mi12886-1789178-719178-7115827(Top 55%)10029(Top 61%)10029(Top 456%)
24M24.00 mi1.00 mi13101-2159251-739251-7317221(Top 59%)10559(Top 65%)10559(Top 480%)
40K24.85 mi0.85 mi13350-2499326-759326-7519102(Top 66%)11397(Top 70%)11397(Top 519%)
25.2M25.20 mi0.35 mi13423-739344-189344-1816868(Top 58%)10355(Top 63%)10355(Top 471%)
FINISH26.22 mi1.02 mi13621-1989410-669410-6617532(Top 60%)10662(Top 65%)10662(Top 485%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5179

Males

4810

M40-44

4810

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5505

Males

5078

M40-44

5078

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5179

Males

4810

M40-44

4810

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5677

Males

5176

M40-44

5176

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6002

Males

5430

M40-44

5430

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5279

Males

4823

M40-44

4823

25K→30K

15.5 - 18.6 mi

Top 84%
×9
+181ft-148ft

Overall

24334

Males

14222

M40-44

14222

30K→20M

18.6 - 20.0 mi

Top 86%
×5
+64ft-50ft

Overall

24901

Males

14415

M40-44

14415

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

16097

Males

10293

M40-44

10293

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17958

Males

11016

M40-44

11016

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15827

Males

10029

M40-44

10029

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17221

Males

10559

M40-44

10559

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19102

Males

11397

M40-44

11397

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16868

Males

10355

M40-44

10355

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17532

Males

10662

M40-44

10662

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
867*
Passed By
2120
Net Change
-8056
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5565
5K10K230*147+83#5565#5482
10K15K19568+127#5482#5355
15K20K87137-50#5355#5405
20KHALF1634-18#5405#5423
HALF25K12447+77#5423#5346
25K30K1200-4913#5346#10259
30K20M2200-1991#10259#12250
20M21M43200-235#12250#12485
21M35K19200-223#12485#12708
35K23M51200-178#12708#12886
23M24M32200-215#12886#13101
24M40K23200-249#13101#13350
40K25.2M1487-73#13350#13423
25.2MFINISH30200-198#13423#13621
TOTALS867*2120-8056

* 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

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