Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Jack Halberstadt

Bib: 1808 β€’M β€’Age: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 14%
Gender (Male)
#0 / 16340
Top 23%
Age Group (M18-39)
#0 / 5723
Top 49%
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
18:48
3.11 mi
Rank: #1388
Start β†’ 5K
18:48 | 6:04/mi
10K
37:45
6.21 mi
Rank: #1573 (-185)
5K β†’ 10K
18:57 | 6:06/mi
15K
56:50
9.32 mi
Rank: #1707 (-134)
10K β†’ 15K
19:05 | 6:09/mi
20K
1:16:28
12.43 mi
Rank: #1929 (-222)
15K β†’ 20K
19:38 | 6:20/mi
HALF
1:20:49
13.11 mi
Rank: #1999 (-70)
20K β†’ HALF
4:21 | 6:23/mi
25K
1:36:47
15.53 mi
Rank: #2228 (-229)
HALF β†’ 25K
15:58 | 6:36/mi
30K
1:58:42
18.64 mi
Rank: #2814 (-586)
25K β†’ 30K
21:55 | 7:04/mi
20M
2:08:49
20.00 mi
Rank: #3114 (-300)
30K β†’ 20M
10:07 | 7:27/mi
21M
2:16:33
21.00 mi
Rank: #3327 (-213)
20M β†’ 21M
7:44 | 7:44/mi
35K
2:22:02
21.75 mi
Rank: #3500 (-173)
21M β†’ 35K
5:29 | 7:20/mi
23M
2:31:30
23.00 mi
Rank: #3744 (-244)
35K β†’ 23M
9:28 | 7:34/mi
24M
2:38:48
24.00 mi
Rank: #3908 (-164)
23M β†’ 24M
7:18 | 7:18/mi
40K
2:45:00
24.85 mi
Rank: #3979 (-71)
24M β†’ 40K
6:12 | 7:16/mi
25.2M
2:47:43
25.20 mi
Rank: #4026 (-47)
40K β†’ 25.2M
2:43 | 7:53/mi
FINISH
2:54:15
26.22 mi
Rank: #3978 (+48)
25.2M β†’ FINISH
6:32 | 6:25/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
Time1:20:49
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:33:26
Pace7:08 /mi
πŸ“ŠPositive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3418:486:0418:48
6:04
-
10K
6.21 mi10:38:3137:456:0518:57
6:06
+0:02
15K
9.32 mi10:57:3656:506:0619:05
6:09
+0:03
20K
12.43 mi11:17:141:16:286:1019:38
6:20
+0:11
HALF
13.11 mi11:21:351:20:496:104:21
6:23
+0:03
25K
15.53 mi11:37:331:36:476:1415:58
6:36
+0:13
30K
18.64 mi11:59:281:58:426:2321:55
7:04
+0:28
20M
20.00 mi12:09:352:08:496:2710:07
7:27
+0:23
21M
21.00 mi12:17:192:16:336:317:44
7:44
+0:17
35K
21.75 mi12:22:482:22:026:325:29
7:20
-0:24
23M
23.00 mi12:32:162:31:306:369:28
7:34
+0:14
24M
24.00 mi12:39:342:38:486:387:18
7:18
-0:16
40K
24.85 mi12:45:462:45:006:396:12
7:16
-0:02
25.2M
25.20 mi12:48:292:47:436:402:43
7:53
+0:37
FINISH
26.22 mi12:55:012:54:156:406:32
6:25
-1:28

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

6:04 /mi

Average Pace

6:39 /mi

Slowest Pace

7:53 /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

1:43:19

59% of race

Time at Steady Pace

40:54

23% of race

Time at Slower Pace

30:02

17% of race

Average Pace: 6:39 /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 mi10:19:3418:486:0418:48
6:04
#1388
10K
6.21 mi10:38:3137:456:0518:57
6:06
#1573
15K
9.32 mi10:57:3656:506:0619:05
6:09
#1707
20K
12.43 mi11:17:141:16:286:1019:38
6:20
#1929
HALF
13.11 mi11:21:351:20:496:104:21
6:23
#1999
25K
15.53 mi11:37:331:36:476:1415:58
6:36
#2228
30K
18.64 mi11:59:281:58:426:2321:55
7:04
#2814
20M
20.00 mi12:09:352:08:496:2710:07
7:27
#3114
21M
21.00 mi12:17:192:16:336:317:44
7:44
#3327
35K
21.75 mi12:22:482:22:026:325:29
7:20
#3500
23M
23.00 mi12:32:162:31:306:369:28
7:34
#3744
24M
24.00 mi12:39:342:38:486:387:18
7:18
#3908
40K
24.85 mi12:45:462:45:006:396:12
7:16
#3979
25.2M
25.20 mi12:48:292:47:436:402:43
7:53
#4026
FINISH
26.22 mi12:55:012:54:156:406:32
6:25
#3978
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 mi1388133113312015(Top 7%)1945(Top 12%)1945(Top 34%)
10K6.21 mi3.10 mi1573-1851513-1821513-1821822(Top 6%)1758(Top 11%)1758(Top 31%)
15K9.32 mi3.11 mi1707-1341645-1321645-1322015(Top 7%)1945(Top 12%)1945(Top 34%)
20K12.43 mi3.11 mi1929-2221860-2151860-2152682(Top 9%)2579(Top 16%)2579(Top 45%)
HALF13.11 mi0.68 mi1999-701927-671927-673627(Top 12%)3468(Top 21%)3468(Top 61%)
25K15.53 mi2.42 mi2228-2292152-2252152-2254013(Top 14%)3768(Top 23%)3768(Top 66%)
30K18.64 mi3.11 mi2814-5862704-5522704-5526328(Top 22%)5532(Top 34%)5532(Top 97%)
20M20.00 mi1.36 mi3114-3002980-2762980-2768693(Top 30%)6867(Top 42%)6867(Top 120%)
21M21.00 mi1.00 mi3327-2133178-1983178-1988002(Top 28%)6359(Top 39%)6359(Top 111%)
35K21.75 mi0.75 mi3500-1733334-1563334-1569454(Top 33%)7170(Top 44%)7170(Top 125%)
23M23.00 mi1.25 mi3744-2443529-1953529-1959282(Top 32%)7017(Top 43%)7017(Top 123%)
24M24.00 mi1.00 mi3908-1643663-1343663-1348550(Top 29%)6530(Top 40%)6530(Top 114%)
40K24.85 mi0.85 mi3979-713727-643727-647054(Top 24%)5619(Top 34%)5619(Top 98%)
25.2M25.20 mi0.35 mi4026-473766-393766-397428(Top 26%)5759(Top 35%)5759(Top 101%)
FINISH26.22 mi1.02 mi3978+483712+543712+543620(Top 12%)3176(Top 19%)3176(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
Γ—21
+97ft-345ft

Overall

2015

Males

1945

M18-39

1945

5K→10K

3.1 - 6.2 mi

Top 6%
Γ—5
+79ft-138ft

Overall

1822

Males

1758

M18-39

1758

10K→15K

6.2 - 9.3 mi

Top 7%
Γ—3
+67ft-78ft

Overall

2015

Males

1945

M18-39

1945

15K→20K

9.3 - 12.4 mi

Top 9%
Γ—5
+106ft-86ft

Overall

2682

Males

2579

M18-39

2579

20K→HALF

12.4 - 13.1 mi

Top 12%
Γ—2
+19ft-37ft

Overall

3627

Males

3468

M18-39

3468

HALF→25K

13.1 - 15.5 mi

Top 14%
Γ—4
+66ft-88ft

Overall

4013

Males

3768

M18-39

3768

25K→30K

15.5 - 18.6 mi

Top 22%
Γ—9
+181ft-148ft

Overall

6328

Males

5532

M18-39

5532

30K→20M

18.6 - 20.0 mi

Top 30%
Γ—5
+64ft-50ft

Overall

8693

Males

6867

M18-39

6867

20M→21M

20.0 - 21.0 mi

Top 28%
Γ—8
+106ft-24ft

Overall

8002

Males

6359

M18-39

6359

21M→35K

21.0 - 21.8 mi

Top 33%
Γ—7
+17ft-86ft

Overall

9454

Males

7170

M18-39

7170

35K→23M

21.8 - 23.0 mi

Top 32%
Γ—5
+23ft-63ft

Overall

9282

Males

7017

M18-39

7017

23M→24M

23.0 - 24.0 mi

Top 29%
Γ—6
+12ft-82ft

Overall

8550

Males

6530

M18-39

6530

24M→40K

24.0 - 24.9 mi

Top 24%
Γ—1
+6ft-20ft

Overall

7054

Males

5619

M18-39

5619

40K→25.2M

24.9 - 25.2 mi

Top 26%
Γ—1
+13ft-16ft

Overall

7428

Males

5759

M18-39

5759

25.2M→FINISH

25.2 - 26.2 mi

Top 12%
Γ—2
+22ft-21ft

Overall

3620

Males

3176

M18-39

3176

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
250
Passed By
2156
Net Change
-2590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1388
5K β†’ 10K28200-185#1388#1573
10K β†’ 15K14148-134#1573#1707
15K β†’ 20K10200-222#1707#1929
20K β†’ HALF171-70#1929#1999
HALF β†’ 25K12200-229#1999#2228
25K β†’ 30K9200-586#2228#2814
30K β†’ 20M13200-300#2814#3114
20M β†’ 21M10200-213#3114#3327
21M β†’ 35K5178-173#3327#3500
35K β†’ 23M23200-244#3500#3744
23M β†’ 24M12176-164#3744#3908
24M β†’ 40K2899-71#3908#3979
40K β†’ 25.2M956-47#3979#4026
25.2M β†’ FINISH7628+48#4026#3978
TOTALS2502156-2590
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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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