Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Garrett Grozak

Bib: 5264 β€’M β€’Age: N/A

WA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 8%
Gender (Male)
#0 / 16340
Top 14%
Age Group (M18-39)
#0 / 5723
Top 33%
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
19:43
3.11 mi
Rank: #3034
Start β†’ 5K
19:43 | 6:21/mi
10K
39:31
6.21 mi
Rank: #3163 (-129)
5K β†’ 10K
19:48 | 6:23/mi
15K
59:14
9.32 mi
Rank: #3153 (+10)
10K β†’ 15K
19:43 | 6:21/mi
20K
1:19:07
12.43 mi
Rank: #3145 (+8)
15K β†’ 20K
19:53 | 6:24/mi
HALF
1:23:23
13.11 mi
Rank: #3129 (+16)
20K β†’ HALF
4:16 | 6:16/mi
25K
1:38:46
15.53 mi
Rank: #2995 (+134)
HALF β†’ 25K
15:23 | 6:21/mi
30K
1:58:52
18.64 mi
Rank: #2866 (+129)
25K β†’ 30K
20:06 | 6:29/mi
20M
2:07:41
20.00 mi
Rank: #2804 (+62)
30K β†’ 20M
8:49 | 6:30/mi
21M
2:14:19
21.00 mi
Rank: #2706 (+98)
20M β†’ 21M
6:38 | 6:38/mi
35K
2:19:06
21.75 mi
Rank: #2693 (+13)
21M β†’ 35K
4:47 | 6:24/mi
23M
2:27:11
23.00 mi
Rank: #2639 (+54)
35K β†’ 23M
8:05 | 6:28/mi
24M
2:33:28
24.00 mi
Rank: #2579 (+60)
23M β†’ 24M
6:17 | 6:17/mi
40K
2:38:54
24.85 mi
Rank: #2507 (+72)
24M β†’ 40K
5:26 | 6:22/mi
25.2M
2:41:12
25.20 mi
Rank: #2474 (+33)
40K β†’ 25.2M
2:18 | 6:41/mi
FINISH
2:47:07
26.22 mi
Rank: #2369 (+105)
25.2M β†’ FINISH
5:55 | 5:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:23:23
Pace6:22 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:23:44
Pace6:24 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0319:436:2119:43
6:21
-
10K
6.21 mi10:43:5139:316:2219:48
6:23
+0:02
15K
9.32 mi11:03:3459:146:2219:43
6:21
-0:02
20K
12.43 mi11:23:271:19:076:2219:53
6:24
+0:03
HALF
13.11 mi11:27:431:23:236:224:16
6:16
-0:08
25K
15.53 mi11:43:061:38:466:2215:23
6:21
+0:05
30K
18.64 mi12:03:121:58:526:2320:06
6:29
+0:08
20M
20.00 mi12:12:012:07:416:248:49
6:30
+0:01
21M
21.00 mi12:18:392:14:196:246:38
6:38
+0:08
35K
21.75 mi12:23:262:19:066:244:47
6:24
-0:14
23M
23.00 mi12:31:312:27:116:248:05
6:28
+0:04
24M
24.00 mi12:37:482:33:286:246:17
6:17
-0:11
40K
24.85 mi12:43:142:38:546:245:26
6:22
+0:05
25.2M
25.20 mi12:45:322:41:126:242:18
6:41
+0:19
FINISH
26.22 mi12:51:272:47:076:235:55
5:49
-0:52

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

5:49 /mi

Average Pace

6:23 /mi

Slowest Pace

6:41 /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

1:36:31

58% of race

Time at Steady Pace

1:10:36

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:24:0319:436:2119:43
6:21
#3034
10K
6.21 mi10:43:5139:316:2219:48
6:23
#3163
15K
9.32 mi11:03:3459:146:2219:43
6:21
#3153
20K
12.43 mi11:23:271:19:076:2219:53
6:24
#3145
HALF
13.11 mi11:27:431:23:236:224:16
6:16
#3129
25K
15.53 mi11:43:061:38:466:2215:23
6:21
#2995
30K
18.64 mi12:03:121:58:526:2320:06
6:29
#2866
20M
20.00 mi12:12:012:07:416:248:49
6:30
#2804
21M
21.00 mi12:18:392:14:196:246:38
6:38
#2706
35K
21.75 mi12:23:262:19:066:244:47
6:24
#2693
23M
23.00 mi12:31:312:27:116:248:05
6:28
#2639
24M
24.00 mi12:37:482:33:286:246:17
6:17
#2579
40K
24.85 mi12:43:142:38:546:245:26
6:22
#2507
25.2M
25.20 mi12:45:322:41:126:242:18
6:41
#2474
FINISH
26.22 mi12:51:272:47:076:235:55
5:49
#2369
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 mi3034290129013149(Top 11%)3013(Top 18%)3013(Top 53%)
10K6.21 mi3.10 mi3163-1293029-1283029-1283359(Top 12%)3210(Top 20%)3210(Top 56%)
15K9.32 mi3.11 mi3153+103022+73022+73149(Top 11%)3013(Top 18%)3013(Top 53%)
20K12.43 mi3.11 mi3145+83015+73015+73134(Top 11%)3007(Top 18%)3007(Top 53%)
HALF13.11 mi0.68 mi3129+162999+162999+162791(Top 10%)2685(Top 16%)2685(Top 47%)
25K15.53 mi2.42 mi2995+1342872+1272872+1272560(Top 9%)2458(Top 15%)2458(Top 43%)
30K18.64 mi3.11 mi2866+1292753+1192753+1192414(Top 8%)2314(Top 14%)2314(Top 40%)
20M20.00 mi1.36 mi2804+622692+612692+612375(Top 8%)2256(Top 14%)2256(Top 39%)
21M21.00 mi1.00 mi2706+982598+942598+941763(Top 6%)1691(Top 10%)1691(Top 30%)
35K21.75 mi0.75 mi2693+132585+132585+132939(Top 10%)2737(Top 17%)2737(Top 48%)
23M23.00 mi1.25 mi2639+542534+512534+512224(Top 8%)2097(Top 13%)2097(Top 37%)
24M24.00 mi1.00 mi2579+602478+562478+562126(Top 7%)1998(Top 12%)1998(Top 35%)
40K24.85 mi0.85 mi2507+722407+712407+711957(Top 7%)1832(Top 11%)1832(Top 32%)
25.2M25.20 mi0.35 mi2474+332374+332374+331432(Top 5%)1352(Top 8%)1352(Top 24%)
FINISH26.22 mi1.02 mi2369+1052272+1022272+1021000(Top 3%)955(Top 6%)955(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
Γ—21
+97ft-345ft

Overall

3149

Males

3013

M18-39

3013

5K→10K

3.1 - 6.2 mi

Top 12%
Γ—5
+79ft-138ft

Overall

3359

Males

3210

M18-39

3210

10K→15K

6.2 - 9.3 mi

Top 11%
Γ—3
+67ft-78ft

Overall

3149

Males

3013

M18-39

3013

15K→20K

9.3 - 12.4 mi

Top 11%
Γ—5
+106ft-86ft

Overall

3134

Males

3007

M18-39

3007

20K→HALF

12.4 - 13.1 mi

Top 10%
Γ—2
+19ft-37ft

Overall

2791

Males

2685

M18-39

2685

HALF→25K

13.1 - 15.5 mi

Top 9%
Γ—4
+66ft-88ft

Overall

2560

Males

2458

M18-39

2458

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2414

Males

2314

M18-39

2314

30K→20M

18.6 - 20.0 mi

Top 8%
Γ—5
+64ft-50ft

Overall

2375

Males

2256

M18-39

2256

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1763

Males

1691

M18-39

1691

21M→35K

21.0 - 21.8 mi

Top 10%
Γ—7
+17ft-86ft

Overall

2939

Males

2737

M18-39

2737

35K→23M

21.8 - 23.0 mi

Top 8%
Γ—5
+23ft-63ft

Overall

2224

Males

2097

M18-39

2097

23M→24M

23.0 - 24.0 mi

Top 7%
Γ—6
+12ft-82ft

Overall

2126

Males

1998

M18-39

1998

24M→40K

24.0 - 24.9 mi

Top 7%
Γ—1
+6ft-20ft

Overall

1957

Males

1832

M18-39

1832

40K→25.2M

24.9 - 25.2 mi

Top 5%
Γ—1
+13ft-16ft

Overall

1432

Males

1352

M18-39

1352

25.2M→FINISH

25.2 - 26.2 mi

Top 3%
Γ—2
+22ft-21ft

Overall

1000

Males

955

M18-39

955

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1137
Passed By
462
Net Change
+665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3034
5K β†’ 10K81200-129#3034#3163
10K β†’ 15K8777+10#3163#3153
15K β†’ 20K8981+8#3153#3145
20K β†’ HALF215+16#3145#3129
HALF β†’ 25K1439+134#3129#2995
25K β†’ 30K15829+129#2995#2866
30K β†’ 20M7614+62#2866#2804
20M β†’ 21M1013+98#2804#2706
21M β†’ 35K2916+13#2706#2693
35K β†’ 23M6410+54#2693#2639
23M β†’ 24M699+60#2639#2579
24M β†’ 40K797+72#2579#2507
40K β†’ 25.2M352+33#2507#2474
25.2M β†’ FINISH1050+105#2474#2369
TOTALS1137462+665
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

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