Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Spencer Shearer

Bib: 4461MAge: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 33%
Gender (Male)
#0 / 16340
Top 46%
Age Group (M18-39)
#0 / 5723
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
23:45
3.11 mi
Rank: #14029
Start5K
23:45 | 7:39/mi
10K
46:40
6.21 mi
Rank: #12917 (+1112)
5K10K
22:55 | 7:23/mi
15K
1:09:36
9.32 mi
Rank: #12528 (+389)
10K15K
22:56 | 7:23/mi
20K
1:33:29
12.43 mi
Rank: #12782 (-254)
15K20K
23:53 | 7:42/mi
HALF
1:38:37
13.11 mi
Rank: #12813 (-31)
20KHALF
5:08 | 7:32/mi
25K
1:57:22
15.53 mi
Rank: #12881 (-68)
HALF25K
18:45 | 7:44/mi
30K
2:19:59
18.64 mi
Rank: #11945 (+936)
25K30K
22:37 | 7:17/mi
20M
2:29:55
20.00 mi
Rank: #11608 (+337)
30K20M
9:56 | 7:19/mi
21M
2:37:34
21.00 mi
Rank: #11323 (+285)
20M21M
7:39 | 7:39/mi
35K
2:42:33
21.75 mi
Rank: #11044 (+279)
21M35K
4:59 | 6:40/mi
23M
2:51:19
23.00 mi
Rank: #10612 (+432)
35K23M
8:46 | 7:01/mi
24M
2:57:57
24.00 mi
Rank: #10230 (+382)
23M24M
6:38 | 6:38/mi
40K
3:03:45
24.85 mi
Rank: #9931 (+299)
24M40K
5:48 | 6:48/mi
25.2M
3:06:18
25.20 mi
Rank: #9814 (+117)
40K25.2M
2:33 | 7:24/mi
FINISH
3:12:48
26.22 mi
Rank: #9460 (+354)
25.2MFINISH
6:30 | 6:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:38:37
Pace7:32 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:11
Pace7:12 /mi
📊Negative Split: 4.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1723:457:3923:45
7:39
-
10K
6.21 mi10:49:1246:407:3122:55
7:23
-0:16
15K
9.32 mi11:12:081:09:367:2922:56
7:23
0:00
20K
12.43 mi11:36:011:33:297:3223:53
7:42
+0:19
HALF
13.11 mi11:41:091:38:377:325:08
7:32
-0:10
25K
15.53 mi11:59:541:57:227:3418:45
7:44
+0:12
30K
18.64 mi12:22:312:19:597:3122:37
7:17
-0:27
20M
20.00 mi12:32:272:29:557:309:56
7:19
+0:02
21M
21.00 mi12:40:062:37:347:317:39
7:39
+0:20
35K
21.75 mi12:45:052:42:337:294:59
6:40
-0:59
23M
23.00 mi12:53:512:51:197:278:46
7:01
+0:21
24M
24.00 mi13:00:292:57:577:256:38
6:38
-0:23
40K
24.85 mi13:06:173:03:457:245:48
6:48
+0:10
25.2M
25.20 mi13:08:503:06:187:242:33
7:24
+0:36
FINISH
26.22 mi13:15:203:12:487:226:30
6:23
-1:01

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

6:23 /mi

Average Pace

7:22 /mi

Slowest Pace

7:44 /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

32:41

17% of race

Time at Steady Pace

1:26:05

45% of race

Time at Slower Pace

1:14:02

38% of race

Average Pace: 7:21 /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 mi10:26:1723:457:3923:45
7:39
#14029
10K
6.21 mi10:49:1246:407:3122:55
7:23
#12917
15K
9.32 mi11:12:081:09:367:2922:56
7:23
#12528
20K
12.43 mi11:36:011:33:297:3223:53
7:42
#12782
HALF
13.11 mi11:41:091:38:377:325:08
7:32
#12813
25K
15.53 mi11:59:541:57:227:3418:45
7:44
#12881
30K
18.64 mi12:22:312:19:597:3122:37
7:17
#11945
20M
20.00 mi12:32:272:29:557:309:56
7:19
#11608
21M
21.00 mi12:40:062:37:347:317:39
7:39
#11323
35K
21.75 mi12:45:052:42:337:294:59
6:40
#11044
23M
23.00 mi12:53:512:51:197:278:46
7:01
#10612
24M
24.00 mi13:00:292:57:577:256:38
6:38
#10230
40K
24.85 mi13:06:173:03:457:245:48
6:48
#9931
25.2M
25.20 mi13:08:503:06:187:242:33
7:24
#9814
FINISH
26.22 mi13:15:203:12:487:226:30
6:23
#9460
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 mi140299876987611757(Top 41%)8805(Top 54%)8805(Top 154%)
10K6.21 mi3.10 mi12917+11129402+4749402+47411828(Top 41%)8905(Top 54%)8905(Top 156%)
15K9.32 mi3.11 mi12528+3899220+1829220+18211757(Top 41%)8805(Top 54%)8805(Top 154%)
20K12.43 mi3.11 mi12782-2549294-749294-7413589(Top 47%)9548(Top 58%)9548(Top 167%)
HALF13.11 mi0.68 mi12813-319306-129306-1213184(Top 45%)9429(Top 58%)9429(Top 165%)
25K15.53 mi2.42 mi12881-689300+69300+613274(Top 46%)9334(Top 57%)9334(Top 163%)
30K18.64 mi3.11 mi11945+9368845+4558845+4557930(Top 27%)6582(Top 40%)6582(Top 115%)
20M20.00 mi1.36 mi11608+3378691+1548691+1547753(Top 27%)6361(Top 39%)6361(Top 111%)
21M21.00 mi1.00 mi11323+2858533+1588533+1587505(Top 26%)6086(Top 37%)6086(Top 106%)
35K21.75 mi0.75 mi11044+2798374+1598374+1594724(Top 16%)4218(Top 26%)4218(Top 74%)
23M23.00 mi1.25 mi10612+4328115+2598115+2595505(Top 19%)4763(Top 29%)4763(Top 83%)
24M24.00 mi1.00 mi10230+3827907+2087907+2083992(Top 14%)3576(Top 22%)3576(Top 62%)
40K24.85 mi0.85 mi9931+2997741+1667741+1664153(Top 14%)3650(Top 22%)3650(Top 64%)
25.2M25.20 mi0.35 mi9814+1177681+607681+604668(Top 16%)3996(Top 24%)3996(Top 70%)
FINISH26.22 mi1.02 mi9460+3547464+2177464+2173476(Top 12%)3067(Top 19%)3067(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21
+97ft-345ft

Overall

11757

Males

8805

M18-39

8805

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11828

Males

8905

M18-39

8905

10K→15K

6.2 - 9.3 mi

Top 41%
×3
+67ft-78ft

Overall

11757

Males

8805

M18-39

8805

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13589

Males

9548

M18-39

9548

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

13184

Males

9429

M18-39

9429

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13274

Males

9334

M18-39

9334

25K→30K

15.5 - 18.6 mi

Top 27%
×9
+181ft-148ft

Overall

7930

Males

6582

M18-39

6582

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7753

Males

6361

M18-39

6361

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7505

Males

6086

M18-39

6086

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4724

Males

4218

M18-39

4218

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5505

Males

4763

M18-39

4763

23M→24M

23.0 - 24.0 mi

Top 14%
×6
+12ft-82ft

Overall

3992

Males

3576

M18-39

3576

24M→40K

24.0 - 24.9 mi

Top 14%
×1
+6ft-20ft

Overall

4153

Males

3650

M18-39

3650

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1
+13ft-16ft

Overall

4668

Males

3996

M18-39

3996

25.2M→FINISH

25.2 - 26.2 mi

Top 12%
×2
+22ft-21ft

Overall

3476

Males

3067

M18-39

3067

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5224*
Passed By
522
Net Change
+4569
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14029
5K10K1147*35+1112#14029#12917
10K15K434*45+389#12917#12528
15K20K79200-254#12528#12782
20KHALF2455-31#12782#12813
HALF25K112180-68#12813#12881
25K30K937*1+936#12881#11945
30K20M338*1+337#11945#11608
20M21M287*2+285#11608#11323
21M35K279*0+279#11323#11044
35K23M432*0+432#11044#10612
23M24M382*0+382#10612#10230
24M40K301*2+299#10230#9931
40K25.2M1170+117#9931#9814
25.2MFINISH355*1+354#9814#9460
TOTALS5224*522+4569

* 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

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OTQ

Olympic Trials Qualifying analysis available

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