Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Jonathan Blum Kurtz

Bib: 30696 β€’M β€’Age: N/A

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 (M50-54)
#0 / 1868
Race Day Weather
51Β°/41Β°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
28:30
3.11 mi
Rank: #23372
Start β†’ 5K
28:30 | 9:11/mi
10K
57:42
6.21 mi
Rank: #23846 (-474)
5K β†’ 10K
29:12 | 9:24/mi
15K
1:27:05
9.32 mi
Rank: #24057 (-211)
10K β†’ 15K
29:23 | 9:28/mi
20K
1:57:50
12.43 mi
Rank: #24254 (-197)
15K β†’ 20K
30:45 | 9:54/mi
HALF
2:04:12
13.11 mi
Rank: #24243 (+11)
20K β†’ HALF
6:22 | 9:21/mi
25K
2:27:59
15.53 mi
Rank: #24177 (+66)
HALF β†’ 25K
23:47 | 9:49/mi
30K
3:00:16
18.64 mi
Rank: #24113 (+64)
25K β†’ 30K
32:17 | 10:24/mi
20M
3:16:11
20.00 mi
Rank: #24324 (-211)
30K β†’ 20M
15:55 | 11:44/mi
21M
3:27:01
21.00 mi
Rank: #24225 (+99)
20M β†’ 21M
10:50 | 10:50/mi
35K
3:34:59
21.75 mi
Rank: #24252 (-27)
21M β†’ 35K
7:58 | 10:39/mi
23M
3:48:38
23.00 mi
Rank: #24250 (+2)
35K β†’ 23M
13:39 | 10:55/mi
24M
3:59:34
24.00 mi
Rank: #24273 (-23)
23M β†’ 24M
10:56 | 10:56/mi
40K
4:08:56
24.85 mi
Rank: #24267 (+6)
24M β†’ 40K
9:22 | 10:58/mi
25.2M
4:12:57
25.20 mi
Rank: #24254 (+13)
40K β†’ 25.2M
4:01 | 11:39/mi
FINISH
4:23:24
26.22 mi
Rank: #24254
25.2M β†’ FINISH
10:27 | 10:16/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
Time2:04:12
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:19:12
Pace10:38 /mi
πŸ“ŠPositive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1428:309:1128:30
9:11
-
10K
6.21 mi11:17:2657:429:1829:12
9:24
+0:13
15K
9.32 mi11:46:491:27:059:2129:23
9:28
+0:04
20K
12.43 mi12:17:341:57:509:2930:45
9:54
+0:26
HALF
13.11 mi12:23:562:04:129:296:22
9:21
-0:33
25K
15.53 mi12:47:432:27:599:3223:47
9:49
+0:28
30K
18.64 mi13:20:003:00:169:4132:17
10:24
+0:35
20M
20.00 mi13:35:553:16:119:4915:55
11:44
+1:20
21M
21.00 mi13:46:453:27:019:5210:50
10:50
-0:54
35K
21.75 mi13:54:433:34:599:547:58
10:39
-0:11
23M
23.00 mi14:08:223:48:389:5713:39
10:55
+0:16
24M
24.00 mi14:19:183:59:349:5910:56
10:56
+0:01
40K
24.85 mi14:28:404:08:5610:019:22
10:58
+0:02
25.2M
25.20 mi14:32:414:12:5710:034:01
11:39
+0:41
FINISH
26.22 mi14:43:084:23:2410:0410:27
10:16
-1:23

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:11 /mi

Average Pace

10:03 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:27:59

56% of race

Time at Steady Pace

50:42

19% of race

Time at Slower Pace

1:04:43

25% of race

Average Pace: 10:03 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:48:1428:309:1128:30
9:11
#23372
10K
6.21 mi11:17:2657:429:1829:12
9:24
#23846
15K
9.32 mi11:46:491:27:059:2129:23
9:28
#24057
20K
12.43 mi12:17:341:57:509:2930:45
9:54
#24254
HALF
13.11 mi12:23:562:04:129:296:22
9:21
#24243
25K
15.53 mi12:47:432:27:599:3223:47
9:49
#24177
30K
18.64 mi13:20:003:00:169:4132:17
10:24
#24113
20M
20.00 mi13:35:553:16:119:4915:55
11:44
#24324
21M
21.00 mi13:46:453:27:019:5210:50
10:50
#24225
35K
21.75 mi13:54:433:34:599:547:58
10:39
#24252
23M
23.00 mi14:08:223:48:389:5713:39
10:55
#24250
24M
24.00 mi14:19:183:59:349:5910:56
10:56
#24273
40K
24.85 mi14:28:404:08:5610:019:22
10:58
#24267
25.2M
25.20 mi14:32:414:12:5710:034:01
11:39
#24254
FINISH
26.22 mi14:43:084:23:2410:0410:27
10:16
#24254
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23372139231392324313(Top 84%)14399(Top 88%)14399(Top 771%)
10K6.21 mi3.10 mi23846-47414169-24614169-24624262(Top 84%)14375(Top 88%)14375(Top 770%)
15K9.32 mi3.11 mi24057-21114278-10914278-10924313(Top 84%)14399(Top 88%)14399(Top 771%)
20K12.43 mi3.11 mi24254-19714374-9614374-9624791(Top 85%)14596(Top 89%)14596(Top 781%)
HALF13.11 mi0.68 mi24243+1114363+1114363+1123906(Top 82%)14175(Top 87%)14175(Top 759%)
25K15.53 mi2.42 mi24177+6614316+4714316+4723823(Top 82%)14102(Top 86%)14102(Top 755%)
30K18.64 mi3.11 mi24113+6414261+5514261+5524058(Top 83%)14104(Top 86%)14104(Top 755%)
20M20.00 mi1.36 mi24324-21114355-9414355-9426016(Top 90%)14927(Top 91%)14927(Top 799%)
21M21.00 mi1.00 mi24225+9914291+6414291+6422743(Top 78%)13384(Top 82%)13384(Top 716%)
35K21.75 mi0.75 mi24252-2714290+114290+124595(Top 85%)14194(Top 87%)14194(Top 760%)
23M23.00 mi1.25 mi24250+214269+2114269+2124289(Top 84%)14005(Top 86%)14005(Top 750%)
24M24.00 mi1.00 mi24273-2314253+1614253+1624970(Top 86%)14290(Top 87%)14290(Top 765%)
40K24.85 mi0.85 mi24267+614235+1814235+1824170(Top 83%)13864(Top 85%)13864(Top 742%)
25.2M25.20 mi0.35 mi24254+1314229+614229+623787(Top 82%)13671(Top 84%)13671(Top 732%)
FINISH26.22 mi1.02 mi2425414211+1814211+1824493(Top 84%)14036(Top 86%)14036(Top 751%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
Γ—21
+97ft-345ft

Overall

24313

Males

14399

M50-54

14399

5K→10K

3.1 - 6.2 mi

Top 84%
Γ—5
+79ft-138ft

Overall

24262

Males

14375

M50-54

14375

10K→15K

6.2 - 9.3 mi

Top 84%
Γ—3
+67ft-78ft

Overall

24313

Males

14399

M50-54

14399

15K→20K

9.3 - 12.4 mi

Top 85%
Γ—5
+106ft-86ft

Overall

24791

Males

14596

M50-54

14596

20K→HALF

12.4 - 13.1 mi

Top 82%
Γ—2
+19ft-37ft

Overall

23906

Males

14175

M50-54

14175

HALF→25K

13.1 - 15.5 mi

Top 82%
Γ—4
+66ft-88ft

Overall

23823

Males

14102

M50-54

14102

25K→30K

15.5 - 18.6 mi

Top 83%
Γ—9
+181ft-148ft

Overall

24058

Males

14104

M50-54

14104

30K→20M

18.6 - 20.0 mi

Top 90%
Γ—5
+64ft-50ft

Overall

26016

Males

14927

M50-54

14927

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22743

Males

13384

M50-54

13384

21M→35K

21.0 - 21.8 mi

Top 85%
Γ—7
+17ft-86ft

Overall

24595

Males

14194

M50-54

14194

35K→23M

21.8 - 23.0 mi

Top 84%
Γ—5
+23ft-63ft

Overall

24289

Males

14005

M50-54

14005

23M→24M

23.0 - 24.0 mi

Top 86%
Γ—6
+12ft-82ft

Overall

24970

Males

14290

M50-54

14290

24M→40K

24.0 - 24.9 mi

Top 83%
Γ—1
+6ft-20ft

Overall

24170

Males

13864

M50-54

13864

40K→25.2M

24.9 - 25.2 mi

Top 82%
Γ—1
+13ft-16ft

Overall

23787

Males

13671

M50-54

13671

25.2M→FINISH

25.2 - 26.2 mi

Top 84%
Γ—2
+22ft-21ft

Overall

24493

Males

14036

M50-54

14036

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
966
Passed By
1306
Net Change
-882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23372
5K β†’ 10K65200-474#23372#23846
10K β†’ 15K91200-211#23846#24057
15K β†’ 20K72200-197#24057#24254
20K β†’ HALF2615+11#24254#24243
HALF β†’ 25K13872+66#24243#24177
25K β†’ 30K178114+64#24177#24113
30K β†’ 20M21200-211#24113#24324
20M β†’ 21M12122+99#24324#24225
21M β†’ 35K1946-27#24225#24252
35K β†’ 23M7270+2#24252#24250
23M β†’ 24M4770-23#24250#24273
24M β†’ 40K4741+6#24273#24267
40K β†’ 25.2M2512+13#24267#24254
25.2M β†’ FINISH44440#24254#24254
TOTALS9661306-882
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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