Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Frederik Sanders

Bib: 11181MAge: N/A

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 (M45-49)
#0 / 2413
Race Day Weather
51°/41°F
overcast clouds
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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
24:22
3.11 mi
Rank: #15758
Start5K
24:22 | 7:51/mi
10K
48:37
6.21 mi
Rank: #15704 (+54)
5K10K
24:15 | 7:49/mi
15K
1:12:22
9.32 mi
Rank: #15113 (+591)
10K15K
23:45 | 7:39/mi
20K
1:36:14
12.43 mi
Rank: #14658 (+455)
15K20K
23:52 | 7:41/mi
HALF
1:41:16
13.11 mi
Rank: #14537 (+121)
20KHALF
5:02 | 7:24/mi
25K
1:59:36
15.53 mi
Rank: #14048 (+489)
HALF25K
18:20 | 7:34/mi
30K
2:24:10
18.64 mi
Rank: #13791 (+257)
25K30K
24:34 | 7:55/mi
20M
2:35:00
20.00 mi
Rank: #13678 (+113)
30K20M
10:50 | 7:59/mi
21M
2:43:18
21.00 mi
Rank: #13552 (+126)
20M21M
8:18 | 8:18/mi
35K
2:49:07
21.75 mi
Rank: #13498 (+54)
21M35K
5:49 | 7:47/mi
23M
2:59:19
23.00 mi
Rank: #13481 (+17)
35K23M
10:12 | 8:10/mi
24M
3:07:24
24.00 mi
Rank: #13499 (-18)
23M24M
8:05 | 8:05/mi
40K
3:14:27
24.85 mi
Rank: #13530 (-31)
24M40K
7:03 | 8:15/mi
25.2M
3:17:28
25.20 mi
Rank: #13517 (+13)
40K25.2M
3:01 | 8:45/mi
FINISH
3:25:35
26.22 mi
Rank: #13574 (-57)
25.2MFINISH
8:07 | 7:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:16
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:44:19
Pace7:58 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:42:4824:227:5124:22
7:51
-
10K
6.21 mi11:07:0348:377:5024:15
7:49
-0:02
15K
9.32 mi11:30:481:12:227:4623:45
7:39
-0:10
20K
12.43 mi11:54:401:36:147:4523:52
7:41
+0:02
HALF
13.11 mi11:59:421:41:167:445:02
7:24
-0:17
25K
15.53 mi12:18:021:59:367:4218:20
7:34
+0:10
30K
18.64 mi12:42:362:24:107:4524:34
7:55
+0:21
20M
20.00 mi12:53:262:35:007:4610:50
7:59
+0:04
21M
21.00 mi13:01:442:43:187:478:18
8:18
+0:19
35K
21.75 mi13:07:332:49:077:475:49
7:47
-0:31
23M
23.00 mi13:17:452:59:197:4810:12
8:10
+0:23
24M
24.00 mi13:25:503:07:247:498:05
8:05
-0:05
40K
24.85 mi13:32:533:14:277:507:03
8:15
+0:10
25.2M
25.20 mi13:35:543:17:287:513:01
8:45
+0:30
FINISH
26.22 mi13:44:013:25:357:518:07
7:58
-0:47

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

7:24 /mi

Average Pace

7:51 /mi

Slowest Pace

8:45 /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

2:57:01

86% of race

Time at Steady Pace

25:33

12% of race

Time at Slower Pace

3:01

1% of race

Average Pace: 7:50 /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 mi10:42:4824:227:5124:22
7:51
#15758
10K
6.21 mi11:07:0348:377:5024:15
7:49
#15704
15K
9.32 mi11:30:481:12:227:4623:45
7:39
#15113
20K
12.43 mi11:54:401:36:147:4523:52
7:41
#14658
HALF
13.11 mi11:59:421:41:167:445:02
7:24
#14537
25K
15.53 mi12:18:021:59:367:4218:20
7:34
#14048
30K
18.64 mi12:42:362:24:107:4524:34
7:55
#13791
20M
20.00 mi12:53:262:35:007:4610:50
7:59
#13678
21M
21.00 mi13:01:442:43:187:478:18
8:18
#13552
35K
21.75 mi13:07:332:49:077:475:49
7:47
#13498
23M
23.00 mi13:17:452:59:197:4810:12
8:10
#13481
24M
24.00 mi13:25:503:07:247:498:05
8:05
#13499
40K
24.85 mi13:32:533:14:277:507:03
8:15
#13530
25.2M
25.20 mi13:35:543:17:287:513:01
8:45
#13517
FINISH
26.22 mi13:44:013:25:357:518:07
7:58
#13574
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 mi15758105311053114040(Top 48%)9818(Top 60%)9818(Top 407%)
10K6.21 mi3.10 mi15704+5410495+3610495+3615672(Top 54%)10479(Top 64%)10479(Top 434%)
15K9.32 mi3.11 mi15113+59110240+25510240+25514040(Top 48%)9818(Top 60%)9818(Top 407%)
20K12.43 mi3.11 mi14658+45510072+16810072+16813550(Top 47%)9533(Top 58%)9533(Top 395%)
HALF13.11 mi0.68 mi14537+12110028+4410028+4411949(Top 41%)8921(Top 55%)8921(Top 370%)
25K15.53 mi2.42 mi14048+4899801+2279801+22711919(Top 41%)8755(Top 54%)8755(Top 363%)
30K18.64 mi3.11 mi13791+2579663+1389663+13812790(Top 44%)9014(Top 55%)9014(Top 374%)
20M20.00 mi1.36 mi13678+1139582+819582+8112649(Top 44%)8860(Top 54%)8860(Top 367%)
21M21.00 mi1.00 mi13552+1269506+769506+7611835(Top 41%)8366(Top 51%)8366(Top 347%)
35K21.75 mi0.75 mi13498+549462+449462+4412842(Top 44%)8811(Top 54%)8811(Top 365%)
23M23.00 mi1.25 mi13481+179427+359427+3513449(Top 46%)8986(Top 55%)8986(Top 372%)
24M24.00 mi1.00 mi13499-189407+209407+2014286(Top 49%)9280(Top 57%)9280(Top 385%)
40K24.85 mi0.85 mi13530-319404+39404+314048(Top 48%)9093(Top 56%)9093(Top 377%)
25.2M25.20 mi0.35 mi13517+139390+149390+1413154(Top 45%)8662(Top 53%)8662(Top 359%)
FINISH26.22 mi1.02 mi13574-579391-19391-114912(Top 51%)9460(Top 58%)9460(Top 392%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

14040

Males

9818

M45-49

9818

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15672

Males

10479

M45-49

10479

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

14040

Males

9818

M45-49

9818

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13550

Males

9533

M45-49

9533

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11949

Males

8921

M45-49

8921

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11919

Males

8755

M45-49

8755

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12790

Males

9014

M45-49

9014

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12649

Males

8860

M45-49

8860

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11835

Males

8366

M45-49

8366

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12842

Males

8811

M45-49

8811

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13449

Males

8986

M45-49

8986

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14286

Males

9280

M45-49

9280

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

14048

Males

9093

M45-49

9093

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13154

Males

8662

M45-49

8662

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14912

Males

9460

M45-49

9460

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3015*
Passed By
831
Net Change
+2184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15758
5K10K254*200+54#15758#15704
10K15K625*34+591#15704#15113
15K20K491*36+455#15113#14658
20KHALF1254+121#14658#14537
HALF25K495*6+489#14537#14048
25K30K319*62+257#14048#13791
30K20M16350+113#13791#13678
20M21M14822+126#13678#13552
21M35K8329+54#13552#13498
35K23M9578+17#13498#13481
23M24M7694-18#13481#13499
24M40K5788-31#13499#13530
40K25.2M3320+13#13530#13517
25.2MFINISH51108-57#13517#13574
TOTALS3015*831+2184

* 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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Activity Data

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