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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mark Gaffney

Bib: 28539 •M •Age: N/A

MA

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
51°/41°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
27:45
3.11 mi
Rank: #22302
Start → 5K
27:45 | 8:56/mi
10K
54:37
6.21 mi
Rank: #21776 (+526)
5K → 10K
26:52 | 8:39/mi
15K
1:21:12
9.32 mi
Rank: #21327 (+449)
10K → 15K
26:35 | 8:34/mi
20K
1:47:48
12.43 mi
Rank: #20904 (+423)
15K → 20K
26:36 | 8:34/mi
HALF
1:53:35
13.11 mi
Rank: #20866 (+38)
20K → HALF
5:47 | 8:30/mi
25K
2:14:42
15.53 mi
Rank: #20685 (+181)
HALF → 25K
21:07 | 8:43/mi
30K
2:42:02
18.64 mi
Rank: #20282 (+403)
25K → 30K
27:20 | 8:48/mi
20M
2:53:45
20.00 mi
Rank: #20041 (+241)
30K → 20M
11:43 | 8:38/mi
21M
3:03:31
21.00 mi
Rank: #20017 (+24)
20M → 21M
9:46 | 9:46/mi
35K
3:09:43
21.75 mi
Rank: #19892 (+125)
21M → 35K
6:12 | 8:18/mi
23M
3:20:22
23.00 mi
Rank: #19673 (+219)
35K → 23M
10:39 | 8:31/mi
24M
3:28:25
24.00 mi
Rank: #19448 (+225)
23M → 24M
8:03 | 8:03/mi
40K
3:35:21
24.85 mi
Rank: #19219 (+229)
24M → 40K
6:56 | 8:07/mi
25.2M
3:38:21
25.20 mi
Rank: #19132 (+87)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:46:14
26.22 mi
Rank: #18905 (+227)
25.2M → FINISH
7:53 | 7:45/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:39
Pace8:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0427:458:5627:45
8:56
-
10K
6.21 mi12:16:5654:378:4826:52
8:39
-0:17
15K
9.32 mi12:43:311:21:128:4326:35
8:34
-0:05
20K
12.43 mi13:10:071:47:488:4126:36
8:34
0:00
HALF
13.11 mi13:15:541:53:358:405:47
8:30
-0:04
25K
15.53 mi13:37:012:14:428:4121:07
8:43
+0:13
30K
18.64 mi14:04:212:42:028:4227:20
8:48
+0:05
20M
20.00 mi14:16:042:53:458:4211:43
8:38
-0:10
21M
21.00 mi14:25:503:03:318:459:46
9:46
+1:08
35K
21.75 mi14:32:023:09:438:446:12
8:18
-1:28
23M
23.00 mi14:42:413:20:228:4310:39
8:31
+0:13
24M
24.00 mi14:50:443:28:258:428:03
8:03
-0:28
40K
24.85 mi14:57:403:35:218:406:56
8:07
+0:04
25.2M
25.20 mi15:00:403:38:218:403:00
8:42
+0:35
FINISH
26.22 mi15:08:333:46:148:397:53
7:45
-0:57

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

7:45 /mi

Average Pace

8:38 /mi

Slowest Pace

9:46 /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

29:04

13% of race

Time at Steady Pace

2:12:19

58% of race

Time at Slower Pace

1:04:51

29% of race

Average Pace: 8:38 /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 mi11:50:0427:458:5627:45
8:56
#22302
10K
6.21 mi12:16:5654:378:4826:52
8:39
#21776
15K
9.32 mi12:43:311:21:128:4326:35
8:34
#21327
20K
12.43 mi13:10:071:47:488:4126:36
8:34
#20904
HALF
13.11 mi13:15:541:53:358:405:47
8:30
#20866
25K
15.53 mi13:37:012:14:428:4121:07
8:43
#20685
30K
18.64 mi14:04:212:42:028:4227:20
8:48
#20282
20M
20.00 mi14:16:042:53:458:4211:43
8:38
#20041
21M
21.00 mi14:25:503:03:318:459:46
9:46
#20017
35K
21.75 mi14:32:023:09:438:446:12
8:18
#19892
23M
23.00 mi14:42:413:20:228:4310:39
8:31
#19673
24M
24.00 mi14:50:443:28:258:428:03
8:03
#19448
40K
24.85 mi14:57:403:35:218:406:56
8:07
#19219
25.2M
25.20 mi15:00:403:38:218:403:00
8:42
#19132
FINISH
26.22 mi15:08:333:46:148:397:53
7:45
#18905
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 mi22302133741337420430(Top 70%)12532(Top 77%)12532(Top 671%)
10K6.21 mi3.10 mi21776+52613120+25413120+25421144(Top 73%)12850(Top 79%)12850(Top 688%)
15K9.32 mi3.11 mi21327+44912912+20812912+20820430(Top 70%)12532(Top 77%)12532(Top 671%)
20K12.43 mi3.11 mi20904+42312714+19812714+19819653(Top 68%)12136(Top 74%)12136(Top 650%)
HALF13.11 mi0.68 mi20866+3812689+2512689+2520096(Top 69%)12369(Top 76%)12369(Top 662%)
25K15.53 mi2.42 mi20685+18112594+9512594+9519746(Top 68%)12138(Top 74%)12138(Top 650%)
30K18.64 mi3.11 mi20282+40312395+19912395+19918556(Top 64%)11507(Top 70%)11507(Top 616%)
20M20.00 mi1.36 mi20041+24112269+12612269+12616946(Top 58%)10724(Top 66%)10724(Top 574%)
21M21.00 mi1.00 mi20017+2412245+2412245+2419605(Top 68%)11891(Top 73%)11891(Top 637%)
35K21.75 mi0.75 mi19892+12512174+7112174+7116340(Top 56%)10348(Top 63%)10348(Top 554%)
23M23.00 mi1.25 mi19673+21912035+13912035+13915771(Top 54%)10015(Top 61%)10015(Top 536%)
24M24.00 mi1.00 mi19448+22511923+11211923+11214114(Top 49%)9211(Top 56%)9211(Top 493%)
40K24.85 mi0.85 mi19219+22911807+11611807+11613195(Top 45%)8729(Top 53%)8729(Top 467%)
25.2M25.20 mi0.35 mi19132+8711759+4811759+4812870(Top 44%)8556(Top 52%)8556(Top 458%)
FINISH26.22 mi1.02 mi18905+22711652+10711652+10713279(Top 46%)8706(Top 53%)8706(Top 466%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20430

Males

12532

M50-54

12532

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21144

Males

12850

M50-54

12850

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20430

Males

12532

M50-54

12532

15K→20K

9.3 - 12.4 mi

Top 68%
×5
+106ft-86ft

Overall

19653

Males

12136

M50-54

12136

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

20096

Males

12369

M50-54

12369

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19746

Males

12138

M50-54

12138

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18556

Males

11507

M50-54

11507

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16946

Males

10724

M50-54

10724

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19605

Males

11891

M50-54

11891

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16340

Males

10348

M50-54

10348

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15771

Males

10015

M50-54

10015

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14114

Males

9211

M50-54

9211

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13195

Males

8729

M50-54

8729

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12870

Males

8556

M50-54

8556

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13279

Males

8706

M50-54

8706

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3721*
Passed By
324
Net Change
+3397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22302
5K → 10K634*108+526#22302#21776
10K → 15K484*35+449#21776#21327
15K → 20K447*24+423#21327#20904
20K → HALF5113+38#20904#20866
HALF → 25K211*30+181#20866#20685
25K → 30K426*23+403#20685#20282
30K → 20M245*4+241#20282#20041
20M → 21M9066+24#20041#20017
21M → 35K1305+125#20017#19892
35K → 23M225*6+219#19892#19673
23M → 24M228*3+225#19673#19448
24M → 40K231*2+229#19448#19219
40K → 25.2M870+87#19219#19132
25.2M → FINISH232*5+227#19132#18905
TOTALS3721*324+3397

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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

Activity Data

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