Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Spencer Johnson

Bib: 6453MAge: N/A

NM

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
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
23:16
3.11 mi
Rank: #12678
Start5K
23:16 | 7:30/mi
10K
47:13
6.21 mi
Rank: #13728 (-1050)
5K10K
23:57 | 7:43/mi
15K
1:11:50
9.32 mi
Rank: #14606 (-878)
10K15K
24:37 | 7:56/mi
20K
1:38:19
12.43 mi
Rank: #16103 (-1497)
15K20K
26:29 | 8:32/mi
HALF
1:44:04
13.11 mi
Rank: #16354 (-251)
20KHALF
5:45 | 8:27/mi
25K
2:06:05
15.53 mi
Rank: #17388 (-1034)
HALF25K
22:01 | 9:05/mi
30K
2:37:08
18.64 mi
Rank: #18779 (-1391)
25K30K
31:03 | 10:00/mi
20M
2:51:36
20.00 mi
Rank: #19451 (-672)
30K20M
14:28 | 10:40/mi
21M
3:03:04
21.00 mi
Rank: #19906 (-455)
20M21M
11:28 | 11:28/mi
35K
3:11:20
21.75 mi
Rank: #20295 (-389)
21M35K
8:16 | 11:03/mi
23M
3:25:21
23.00 mi
Rank: #20732 (-437)
35K23M
14:01 | 11:13/mi
24M
3:36:37
24.00 mi
Rank: #21139 (-407)
23M24M
11:16 | 11:16/mi
40K
3:47:26
24.85 mi
Rank: #21594 (-455)
24M40K
10:49 | 12:40/mi
25.2M
3:51:51
25.20 mi
Rank: #21747 (-153)
40K25.2M
4:25 | 12:49/mi
FINISH
4:03:59
26.22 mi
Rank: #22071 (-324)
25.2MFINISH
12:08 | 11:55/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:04
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:19:55
Pace10:41 /mi
📊Positive Split: 34.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:3123:167:3023:16
7:30
-
10K
6.21 mi11:30:2847:137:3623:57
7:43
+0:13
15K
9.32 mi11:55:051:11:507:4324:37
7:56
+0:13
20K
12.43 mi12:21:341:38:197:5526:29
8:32
+0:36
HALF
13.11 mi12:27:191:44:047:575:45
8:27
-0:05
25K
15.53 mi12:49:202:06:058:0722:01
9:05
+0:38
30K
18.64 mi13:20:232:37:088:2631:03
10:00
+0:55
20M
20.00 mi13:34:512:51:368:3514:28
10:40
+0:40
21M
21.00 mi13:46:193:03:048:4411:28
11:28
+0:48
35K
21.75 mi13:54:353:11:208:488:16
11:03
-0:25
23M
23.00 mi14:08:363:25:218:5614:01
11:13
+0:10
24M
24.00 mi14:19:523:36:379:0211:16
11:16
+0:03
40K
24.85 mi14:30:413:47:269:1010:49
12:40
+1:24
25.2M
25.20 mi14:35:063:51:519:134:25
12:49
+0:09
FINISH
26.22 mi14:47:144:03:599:1912:08
11:55
-0:54

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

7:30 /mi

Average Pace

9:19 /mi

Slowest Pace

12:49 /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

2:06:05

52% of race

Time at Steady Pace

1:30:32

37% of race

Time at Slower Pace

27:22

11% of race

Average Pace: 9:18 /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 mi11:06:3123:167:3023:16
7:30
#12678
10K
6.21 mi11:30:2847:137:3623:57
7:43
#13728
15K
9.32 mi11:55:051:11:507:4324:37
7:56
#14606
20K
12.43 mi12:21:341:38:197:5526:29
8:32
#16103
HALF
13.11 mi12:27:191:44:047:575:45
8:27
#16354
25K
15.53 mi12:49:202:06:058:0722:01
9:05
#17388
30K
18.64 mi13:20:232:37:088:2631:03
10:00
#18779
20M
20.00 mi13:34:512:51:368:3514:28
10:40
#19451
21M
21.00 mi13:46:193:03:048:4411:28
11:28
#19906
35K
21.75 mi13:54:353:11:208:488:16
11:03
#20295
23M
23.00 mi14:08:363:25:218:5614:01
11:13
#20732
24M
24.00 mi14:19:523:36:379:0211:16
11:16
#21139
40K
24.85 mi14:30:413:47:269:1010:49
12:40
#21594
25.2M
25.20 mi14:35:063:51:519:134:25
12:49
#21747
FINISH
26.22 mi14:47:144:03:599:1912:08
11:55
#22071
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 mi126789329932916405(Top 57%)10774(Top 66%)10774(Top 490%)
10K6.21 mi3.10 mi13728-10509745-4169745-41614841(Top 51%)10183(Top 62%)10183(Top 463%)
15K9.32 mi3.11 mi14606-87810058-31310058-31316405(Top 57%)10774(Top 66%)10774(Top 490%)
20K12.43 mi3.11 mi16103-149710624-56610624-56619438(Top 67%)12035(Top 74%)12035(Top 548%)
HALF13.11 mi0.68 mi16354-25110719-9510719-9519865(Top 68%)12283(Top 75%)12283(Top 559%)
25K15.53 mi2.42 mi17388-103411164-44511164-44521522(Top 74%)13004(Top 80%)13004(Top 592%)
30K18.64 mi3.11 mi18779-139111712-54811712-54823116(Top 80%)13671(Top 84%)13671(Top 622%)
20M20.00 mi1.36 mi19451-67211995-28311995-28324166(Top 83%)14075(Top 86%)14075(Top 640%)
21M21.00 mi1.00 mi19906-45512190-19512190-19524106(Top 83%)13978(Top 86%)13978(Top 636%)
35K21.75 mi0.75 mi20295-38912368-17812368-17825329(Top 87%)14541(Top 89%)14541(Top 662%)
23M23.00 mi1.25 mi20732-43712563-19512563-19524898(Top 86%)14281(Top 87%)14281(Top 650%)
24M24.00 mi1.00 mi21139-40712755-19212755-19225550(Top 88%)14576(Top 89%)14576(Top 663%)
40K24.85 mi0.85 mi21594-45512962-20712962-20726688(Top 92%)15095(Top 92%)15095(Top 687%)
25.2M25.20 mi0.35 mi21747-15313022-6013022-6025778(Top 89%)14665(Top 90%)14665(Top 667%)
FINISH26.22 mi1.02 mi22071-32413163-14113163-14127351(Top 94%)15453(Top 95%)15453(Top 703%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16405

Males

10774

M40-44

10774

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14841

Males

10183

M40-44

10183

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16405

Males

10774

M40-44

10774

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19438

Males

12035

M40-44

12035

20K→HALF

12.4 - 13.1 mi

Top 68%
×2
+19ft-37ft

Overall

19865

Males

12283

M40-44

12283

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21522

Males

13004

M40-44

13004

25K→30K

15.5 - 18.6 mi

Top 80%
×9
+181ft-148ft

Overall

23116

Males

13671

M40-44

13671

30K→20M

18.6 - 20.0 mi

Top 83%
×5
+64ft-50ft

Overall

24166

Males

14075

M40-44

14075

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

24106

Males

13978

M40-44

13978

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25329

Males

14541

M40-44

14541

35K→23M

21.8 - 23.0 mi

Top 86%
×5
+23ft-63ft

Overall

24898

Males

14281

M40-44

14281

23M→24M

23.0 - 24.0 mi

Top 88%
×6
+12ft-82ft

Overall

25550

Males

14576

M40-44

14576

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26688

Males

15095

M40-44

15095

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25778

Males

14665

M40-44

14665

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27351

Males

15453

M40-44

15453

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
227
Passed By
2756
Net Change
-9393
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12678
5K10K48200-1050#12678#13728
10K15K45200-878#13728#14606
15K20K12200-1497#14606#16103
20KHALF5200-251#16103#16354
HALF25K17200-1034#16354#17388
25K30K31200-1391#17388#18779
30K20M13200-672#18779#19451
20M21M18200-455#19451#19906
21M35K7200-389#19906#20295
35K23M13200-437#20295#20732
23M24M7200-407#20732#21139
24M40K5200-455#21139#21594
40K25.2M3156-153#21594#21747
25.2MFINISH3200-324#21747#22071
TOTALS2272756-9393
📊

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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