Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

David Hirst

Bib: 4671 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 9%
Gender (Male)
#0 / 16340
Top 15%
Masters (Masters Men)
#0 / 10617
Top 4%
Age Group (M45-49)
#0 / 2413
Top 5%
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for David

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 5:50/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
19:29
3.11 mi
Rank: #2507
Start β†’ 5K
19:29 | 6:17/mi
10K
39:16
6.21 mi
Rank: #2883 (-376)
5K β†’ 10K
19:47 | 6:23/mi
15K
59:08
9.32 mi
Rank: #3078 (-195)
10K β†’ 15K
19:52 | 6:24/mi
20K
1:18:59
12.43 mi
Rank: #3067 (+11)
15K β†’ 20K
19:51 | 6:24/mi
HALF
1:23:17
13.11 mi
Rank: #3072 (-5)
20K β†’ HALF
4:18 | 6:19/mi
25K
1:38:49
15.53 mi
Rank: #3010 (+62)
HALF β†’ 25K
15:32 | 6:25/mi
30K
1:59:26
18.64 mi
Rank: #3041 (-31)
25K β†’ 30K
20:37 | 6:39/mi
20M
2:08:16
20.00 mi
Rank: #2968 (+73)
30K β†’ 20M
8:50 | 6:31/mi
21M
2:15:02
21.00 mi
Rank: #2898 (+70)
20M β†’ 21M
6:46 | 6:46/mi
35K
2:19:53
21.75 mi
Rank: #2899 (-1)
21M β†’ 35K
4:51 | 6:29/mi
23M
2:27:59
23.00 mi
Rank: #2829 (+70)
35K β†’ 23M
8:06 | 6:29/mi
24M
2:34:08
24.00 mi
Rank: #2742 (+87)
23M β†’ 24M
6:09 | 6:09/mi
40K
2:39:38
24.85 mi
Rank: #2686 (+56)
24M β†’ 40K
5:30 | 6:26/mi
25.2M
2:42:03
25.20 mi
Rank: #2664 (+22)
40K β†’ 25.2M
2:25 | 7:01/mi
FINISH
2:48:00
26.22 mi
Rank: #2554 (+110)
25.2M β†’ FINISH
5:57 | 5:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:17
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:24:43
Pace6:28 /mi
πŸ“ŠPositive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0619:296:1719:29
6:17
-
10K
6.21 mi10:41:5339:166:2019:47
6:23
+0:06
15K
9.32 mi11:01:4559:086:2119:52
6:24
+0:01
20K
12.43 mi11:21:361:18:596:2219:51
6:24
0:00
HALF
13.11 mi11:25:541:23:176:224:18
6:19
-0:05
25K
15.53 mi11:41:261:38:496:2215:32
6:25
+0:06
30K
18.64 mi12:02:031:59:266:2520:37
6:39
+0:14
20M
20.00 mi12:10:532:08:166:258:50
6:31
-0:08
21M
21.00 mi12:17:392:15:026:266:46
6:46
+0:15
35K
21.75 mi12:22:302:19:536:264:51
6:29
-0:17
23M
23.00 mi12:30:362:27:596:278:06
6:29
0:00
24M
24.00 mi12:36:452:34:086:266:09
6:09
-0:20
40K
24.85 mi12:42:152:39:386:265:30
6:26
+0:17
25.2M
25.20 mi12:44:402:42:036:262:25
7:01
+0:35
FINISH
26.22 mi12:50:372:48:006:255:57
5:51
-1:10

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

5:51 /mi

Average Pace

6:25 /mi

Slowest Pace

7:01 /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

1:56:25

69% of race

Time at Steady Pace

49:10

29% of race

Time at Slower Pace

2:25

1% of race

Average Pace: 6:24 /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 mi10:22:0619:296:1719:29
6:17
#2507
10K
6.21 mi10:41:5339:166:2019:47
6:23
#2883
15K
9.32 mi11:01:4559:086:2119:52
6:24
#3078
20K
12.43 mi11:21:361:18:596:2219:51
6:24
#3067
HALF
13.11 mi11:25:541:23:176:224:18
6:19
#3072
25K
15.53 mi11:41:261:38:496:2215:32
6:25
#3010
30K
18.64 mi12:02:031:59:266:2520:37
6:39
#3041
20M
20.00 mi12:10:532:08:166:258:50
6:31
#2968
21M
21.00 mi12:17:392:15:026:266:46
6:46
#2898
35K
21.75 mi12:22:302:19:536:264:51
6:29
#2899
23M
23.00 mi12:30:362:27:596:278:06
6:29
#2829
24M
24.00 mi12:36:452:34:086:266:09
6:09
#2742
40K
24.85 mi12:42:152:39:386:265:30
6:26
#2686
25.2M
25.20 mi12:44:402:42:036:262:25
7:01
#2664
FINISH
26.22 mi12:50:372:48:006:255:57
5:51
#2554
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 mi2507240724073469(Top 12%)3315(Top 20%)3315(Top 137%)
10K6.21 mi3.10 mi2883-3762767-3602767-3603320(Top 11%)3175(Top 19%)3175(Top 132%)
15K9.32 mi3.11 mi3078-1952954-1872954-1873469(Top 12%)3315(Top 20%)3315(Top 137%)
20K12.43 mi3.11 mi3067+112940+142940+143086(Top 11%)2962(Top 18%)2962(Top 123%)
HALF13.11 mi0.68 mi3072-52944-42944-43091(Top 11%)2971(Top 18%)2971(Top 123%)
25K15.53 mi2.42 mi3010+622886+582886+582904(Top 10%)2788(Top 17%)2788(Top 116%)
30K18.64 mi3.11 mi3041-312918-322918-323306(Top 11%)3119(Top 19%)3119(Top 129%)
20M20.00 mi1.36 mi2968+732846+722846+722439(Top 8%)2315(Top 14%)2315(Top 96%)
21M21.00 mi1.00 mi2898+702777+692777+692308(Top 8%)2186(Top 13%)2186(Top 91%)
35K21.75 mi0.75 mi2899-12776+12776+13436(Top 12%)3165(Top 19%)3165(Top 131%)
23M23.00 mi1.25 mi2829+702713+632713+632286(Top 8%)2152(Top 13%)2152(Top 89%)
24M24.00 mi1.00 mi2742+872630+832630+831583(Top 5%)1503(Top 9%)1503(Top 62%)
40K24.85 mi0.85 mi2686+562576+542576+542258(Top 8%)2097(Top 13%)2097(Top 87%)
25.2M25.20 mi0.35 mi2664+222553+232553+232629(Top 9%)2393(Top 15%)2393(Top 99%)
FINISH26.22 mi1.02 mi2554+1102451+1022451+1021096(Top 4%)1044(Top 6%)1044(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
Γ—21
+97ft-345ft

Overall

3469

Males

3315

M45-49

3315

5K→10K

3.1 - 6.2 mi

Top 11%
Γ—5
+79ft-138ft

Overall

3320

Males

3175

M45-49

3175

10K→15K

6.2 - 9.3 mi

Top 12%
Γ—3
+67ft-78ft

Overall

3469

Males

3315

M45-49

3315

15K→20K

9.3 - 12.4 mi

Top 11%
Γ—5
+106ft-86ft

Overall

3086

Males

2962

M45-49

2962

20K→HALF

12.4 - 13.1 mi

Top 11%
Γ—2
+19ft-37ft

Overall

3091

Males

2971

M45-49

2971

HALF→25K

13.1 - 15.5 mi

Top 10%
Γ—4
+66ft-88ft

Overall

2904

Males

2788

M45-49

2788

25K→30K

15.5 - 18.6 mi

Top 11%
Γ—9
+181ft-148ft

Overall

3306

Males

3119

M45-49

3119

30K→20M

18.6 - 20.0 mi

Top 8%
Γ—5
+64ft-50ft

Overall

2439

Males

2315

M45-49

2315

20M→21M

20.0 - 21.0 mi

Top 8%
Γ—8
+106ft-24ft

Overall

2308

Males

2186

M45-49

2186

21M→35K

21.0 - 21.8 mi

Top 12%
Γ—7
+17ft-86ft

Overall

3436

Males

3165

M45-49

3165

35K→23M

21.8 - 23.0 mi

Top 8%
Γ—5
+23ft-63ft

Overall

2286

Males

2152

M45-49

2152

23M→24M

23.0 - 24.0 mi

Top 5%
Γ—6
+12ft-82ft

Overall

1583

Males

1503

M45-49

1503

24M→40K

24.0 - 24.9 mi

Top 8%
Γ—1
+6ft-20ft

Overall

2258

Males

2097

M45-49

2097

40K→25.2M

24.9 - 25.2 mi

Top 9%
Γ—1
+13ft-16ft

Overall

2629

Males

2393

M45-49

2393

25.2M→FINISH

25.2 - 26.2 mi

Top 4%
Γ—2
+22ft-21ft

Overall

1096

Males

1044

M45-49

1044

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
874
Passed By
701
Net Change
-47
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2507
5K β†’ 10K18200-376#2507#2883
10K β†’ 15K31200-195#2883#3078
15K β†’ 20K8271+11#3078#3067
20K β†’ HALF1116-5#3067#3072
HALF β†’ 25K9937+62#3072#3010
25K β†’ 30K70101-31#3010#3041
30K β†’ 20M796+73#3041#2968
20M β†’ 21M799+70#2968#2898
21M β†’ 35K2425-1#2898#2899
35K β†’ 23M9020+70#2899#2829
23M β†’ 24M881+87#2829#2742
24M β†’ 40K648+56#2742#2686
40K β†’ 25.2M275+22#2686#2664
25.2M β†’ FINISH1122+110#2664#2554
TOTALS874701-47
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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