Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Grant Nguyen

Bib: 12400MAge: N/A

CA

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 (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
23:38
3.11 mi
Rank: #13705
Start5K
23:38 | 7:37/mi
10K
47:37
6.21 mi
Rank: #14285 (-580)
5K10K
23:59 | 7:44/mi
15K
1:11:44
9.32 mi
Rank: #14512 (-227)
10K15K
24:07 | 7:46/mi
20K
1:36:15
12.43 mi
Rank: #14686 (-174)
15K20K
24:31 | 7:54/mi
HALF
1:41:27
13.11 mi
Rank: #14645 (+41)
20KHALF
5:12 | 7:38/mi
25K
2:02:23
15.53 mi
Rank: #15591 (-946)
HALF25K
20:56 | 8:38/mi
30K
2:32:45
18.64 mi
Rank: #17347 (-1756)
25K30K
30:22 | 9:47/mi
20M
2:49:57
20.00 mi
Rank: #18959 (-1612)
30K20M
17:12 | 12:40/mi
21M
3:02:32
21.00 mi
Rank: #19757 (-798)
20M21M
12:35 | 12:35/mi
35K
3:11:30
21.75 mi
Rank: #20334 (-577)
21M35K
8:58 | 12:00/mi
23M
3:24:40
23.00 mi
Rank: #20607 (-273)
35K23M
13:10 | 10:32/mi
24M
3:34:47
24.00 mi
Rank: #20768 (-161)
23M24M
10:07 | 10:07/mi
40K
3:42:43
24.85 mi
Rank: #20724 (+44)
24M40K
7:56 | 9:17/mi
25.2M
3:46:28
25.20 mi
Rank: #20765 (-41)
40K25.2M
3:45 | 10:53/mi
FINISH
3:57:10
26.22 mi
Rank: #21049 (-284)
25.2MFINISH
10:42 | 10:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:27
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time2:15:43
Pace10:22 /mi
📊Positive Split: 33.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0823:387:3723:38
7:37
-
10K
6.21 mi11:16:0747:377:4023:59
7:44
+0:07
15K
9.32 mi11:40:141:11:447:4224:07
7:46
+0:02
20K
12.43 mi12:04:451:36:157:4524:31
7:54
+0:08
HALF
13.11 mi12:09:571:41:277:455:12
7:38
-0:16
25K
15.53 mi12:30:532:02:237:5320:56
8:38
+1:00
30K
18.64 mi13:01:152:32:458:1230:22
9:47
+1:09
20M
20.00 mi13:18:272:49:578:3017:12
12:40
+2:53
21M
21.00 mi13:31:023:02:328:4212:35
12:35
-0:05
35K
21.75 mi13:40:003:11:308:498:58
12:00
-0:35
23M
23.00 mi13:53:103:24:408:5413:10
10:32
-1:28
24M
24.00 mi14:03:173:34:478:5710:07
10:07
-0:25
40K
24.85 mi14:11:133:42:438:587:56
9:17
-0:50
25.2M
25.20 mi14:14:583:46:289:003:45
10:53
+1:36
FINISH
26.22 mi14:25:403:57:109:0410:42
10:30
-0:23

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

7:37 /mi

Average Pace

9:03 /mi

Slowest Pace

12:40 /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

2:02:23

52% of race

Time at Steady Pace

1:12:17

30% of race

Time at Slower Pace

42:30

18% of race

Average Pace: 9:03 /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 mi10:52:0823:387:3723:38
7:37
#13705
10K
6.21 mi11:16:0747:377:4023:59
7:44
#14285
15K
9.32 mi11:40:141:11:447:4224:07
7:46
#14512
20K
12.43 mi12:04:451:36:157:4524:31
7:54
#14686
HALF
13.11 mi12:09:571:41:277:455:12
7:38
#14645
25K
15.53 mi12:30:532:02:237:5320:56
8:38
#15591
30K
18.64 mi13:01:152:32:458:1230:22
9:47
#17347
20M
20.00 mi13:18:272:49:578:3017:12
12:40
#18959
21M
21.00 mi13:31:023:02:328:4212:35
12:35
#19757
35K
21.75 mi13:40:003:11:308:498:58
12:00
#20334
23M
23.00 mi13:53:103:24:408:5413:10
10:32
#20607
24M
24.00 mi14:03:173:34:478:5710:07
10:07
#20768
40K
24.85 mi14:11:133:42:438:587:56
9:17
#20724
25.2M
25.20 mi14:14:583:46:289:003:45
10:53
#20765
FINISH
26.22 mi14:25:403:57:109:0410:42
10:30
#21049
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 mi137059756975615020(Top 52%)10210(Top 62%)10210(Top 423%)
10K6.21 mi3.10 mi14285-5809965-2099965-20914925(Top 51%)10212(Top 62%)10212(Top 423%)
15K9.32 mi3.11 mi14512-22710025-6010025-6015020(Top 52%)10210(Top 62%)10210(Top 423%)
20K12.43 mi3.11 mi14686-17410084-5910084-5915236(Top 52%)10240(Top 63%)10240(Top 424%)
HALF13.11 mi0.68 mi14645+4110076+810076+814101(Top 49%)9860(Top 60%)9860(Top 409%)
25K15.53 mi2.42 mi15591-94610401-32510401-32519355(Top 67%)11950(Top 73%)11950(Top 495%)
30K18.64 mi3.11 mi17347-175611114-71311114-71322494(Top 78%)13376(Top 82%)13376(Top 554%)
20M20.00 mi1.36 mi18959-161211784-67011784-67027110(Top 93%)15453(Top 95%)15453(Top 640%)
21M21.00 mi1.00 mi19757-79812113-32912113-32925880(Top 89%)14816(Top 91%)14816(Top 614%)
35K21.75 mi0.75 mi20334-57712386-27312386-27326709(Top 92%)15199(Top 93%)15199(Top 630%)
23M23.00 mi1.25 mi20607-27312505-11912505-11923419(Top 81%)13593(Top 83%)13593(Top 563%)
24M24.00 mi1.00 mi20768-16112575-7012575-7023112(Top 80%)13415(Top 82%)13415(Top 556%)
40K24.85 mi0.85 mi20724+4412542+3312542+3319583(Top 67%)11646(Top 71%)11646(Top 483%)
25.2M25.20 mi0.35 mi20765-4112561-1912561-1922037(Top 76%)12857(Top 79%)12857(Top 533%)
FINISH26.22 mi1.02 mi21049-28412683-12212683-12225050(Top 86%)14304(Top 88%)14304(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15020

Males

10210

M45-49

10210

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14925

Males

10212

M45-49

10212

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15020

Males

10210

M45-49

10210

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

15236

Males

10240

M45-49

10240

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14101

Males

9860

M45-49

9860

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19355

Males

11950

M45-49

11950

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22494

Males

13376

M45-49

13376

30K→20M

18.6 - 20.0 mi

Top 93%
×5
+64ft-50ft

Overall

27110

Males

15453

M45-49

15453

20M→21M

20.0 - 21.0 mi

Top 89%
×8
+106ft-24ft

Overall

25880

Males

14816

M45-49

14816

21M→35K

21.0 - 21.8 mi

Top 92%
×7
+17ft-86ft

Overall

26709

Males

15199

M45-49

15199

35K→23M

21.8 - 23.0 mi

Top 81%
×5
+23ft-63ft

Overall

23419

Males

13593

M45-49

13593

23M→24M

23.0 - 24.0 mi

Top 80%
×6
+12ft-82ft

Overall

23112

Males

13415

M45-49

13415

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19583

Males

11646

M45-49

11646

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22037

Males

12857

M45-49

12857

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

25050

Males

14304

M45-49

14304

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
629
Passed By
2287
Net Change
-7344
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13705
5K10K116200-580#13705#14285
10K15K135200-227#14285#14512
15K20K117200-174#14512#14686
20KHALF5615+41#14686#14645
HALF25K26200-946#14645#15591
25K30K19200-1756#15591#17347
30K20M1200-1612#17347#18959
20M21M8200-798#18959#19757
21M35K5200-577#19757#20334
35K23M25200-273#20334#20607
23M24M28189-161#20607#20768
24M40K7430+44#20768#20724
40K25.2M1253-41#20724#20765
25.2MFINISH7200-284#20765#21049
TOTALS6292287-7344
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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