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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Gregory Kershaw

Bib: 30166 •M •Age: N/A

DC

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 (M40-44)
#0 / 2198
Race Day Weather
51°/41°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
27:57
3.11 mi
Rank: #22636
Start → 5K
27:57 | 9:00/mi
10K
55:02
6.21 mi
Rank: #22086 (+550)
5K → 10K
27:05 | 8:44/mi
15K
1:22:17
9.32 mi
Rank: #21917 (+169)
10K → 15K
27:15 | 8:47/mi
20K
1:50:03
12.43 mi
Rank: #21807 (+110)
15K → 20K
27:46 | 8:57/mi
HALF
1:55:54
13.11 mi
Rank: #21746 (+61)
20K → HALF
5:51 | 8:35/mi
25K
2:20:44
15.53 mi
Rank: #22535 (-789)
HALF → 25K
24:50 | 10:15/mi
30K
2:49:32
18.64 mi
Rank: #22168 (+367)
25K → 30K
28:48 | 9:17/mi
20M
3:02:51
20.00 mi
Rank: #22157 (+11)
30K → 20M
13:19 | 9:49/mi
21M
3:12:40
21.00 mi
Rank: #22012 (+145)
20M → 21M
9:49 | 9:49/mi
35K
3:19:28
21.75 mi
Rank: #21949 (+63)
21M → 35K
6:48 | 9:06/mi
23M
3:32:13
23.00 mi
Rank: #22029 (-80)
35K → 23M
12:45 | 10:12/mi
24M
3:41:38
24.00 mi
Rank: #21993 (+36)
23M → 24M
9:25 | 9:25/mi
40K
3:49:34
24.85 mi
Rank: #21934 (+59)
24M → 40K
7:56 | 9:17/mi
25.2M
3:52:46
25.20 mi
Rank: #21868 (+66)
40K → 25.2M
3:12 | 9:17/mi
FINISH
4:00:55
26.22 mi
Rank: #21703 (+165)
25.2M → FINISH
8:09 | 8:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:54
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:05:01
Pace9:33 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3627:579:0027:57
9:00
-
10K
6.21 mi12:19:4155:028:5227:05
8:44
-0:16
15K
9.32 mi12:46:561:22:178:5027:15
8:47
+0:03
20K
12.43 mi13:14:421:50:038:5227:46
8:57
+0:10
HALF
13.11 mi13:20:331:55:548:515:51
8:35
-0:22
25K
15.53 mi13:45:232:20:449:0424:50
10:15
+1:40
30K
18.64 mi14:14:112:49:329:0628:48
9:17
-0:58
20M
20.00 mi14:27:303:02:519:0913:19
9:49
+0:32
21M
21.00 mi14:37:193:12:409:119:49
9:49
0:00
35K
21.75 mi14:44:073:19:289:116:48
9:06
-0:43
23M
23.00 mi14:56:523:32:139:1412:45
10:12
+1:06
24M
24.00 mi15:06:173:41:389:159:25
9:25
-0:47
40K
24.85 mi15:14:133:49:349:157:56
9:17
-0:08
25.2M
25.20 mi15:17:253:52:469:153:12
9:17
0:00
FINISH
26.22 mi15:25:344:00:559:128:09
8:00
-1:17

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

8:00 /mi

Average Pace

9:12 /mi

Slowest Pace

10:15 /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

1:36:06

40% of race

Time at Steady Pace

1:24:06

35% of race

Time at Slower Pace

1:00:43

25% of race

Average Pace: 9:11 /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 mi11:52:3627:579:0027:57
9:00
#22636
10K
6.21 mi12:19:4155:028:5227:05
8:44
#22086
15K
9.32 mi12:46:561:22:178:5027:15
8:47
#21917
20K
12.43 mi13:14:421:50:038:5227:46
8:57
#21807
HALF
13.11 mi13:20:331:55:548:515:51
8:35
#21746
25K
15.53 mi13:45:232:20:449:0424:50
10:15
#22535
30K
18.64 mi14:14:112:49:329:0628:48
9:17
#22168
20M
20.00 mi14:27:303:02:519:0913:19
9:49
#22157
21M
21.00 mi14:37:193:12:409:119:49
9:49
#22012
35K
21.75 mi14:44:073:19:289:116:48
9:06
#21949
23M
23.00 mi14:56:523:32:139:1412:45
10:12
#22029
24M
24.00 mi15:06:173:41:389:159:25
9:25
#21993
40K
24.85 mi15:14:133:49:349:157:56
9:17
#21934
25.2M
25.20 mi15:17:253:52:469:153:12
9:17
#21868
FINISH
26.22 mi15:25:344:00:559:128:09
8:00
#21703
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22636135501355021583(Top 74%)13069(Top 80%)13069(Top 595%)
10K6.21 mi3.10 mi22086+55013281+26913281+26921505(Top 74%)13017(Top 80%)13017(Top 592%)
15K9.32 mi3.11 mi21917+16913205+7613205+7621583(Top 74%)13069(Top 80%)13069(Top 595%)
20K12.43 mi3.11 mi21807+11013151+5413151+5421644(Top 75%)13075(Top 80%)13075(Top 595%)
HALF13.11 mi0.68 mi21746+6113124+2713124+2720718(Top 71%)12666(Top 78%)12666(Top 576%)
25K15.53 mi2.42 mi22535-78913517-39313517-39324857(Top 86%)14608(Top 89%)14608(Top 665%)
30K18.64 mi3.11 mi22168+36713306+21113306+21120822(Top 72%)12574(Top 77%)12574(Top 572%)
20M20.00 mi1.36 mi22157+1113288+1813288+1822020(Top 76%)13073(Top 80%)13073(Top 595%)
21M21.00 mi1.00 mi22012+14513197+9113197+9119812(Top 68%)11993(Top 73%)11993(Top 546%)
35K21.75 mi0.75 mi21949+6313160+3713160+3720365(Top 70%)12176(Top 75%)12176(Top 554%)
23M23.00 mi1.25 mi22029-8013174-1413174-1422621(Top 78%)13216(Top 81%)13216(Top 601%)
24M24.00 mi1.00 mi21993+3613157+1713157+1721042(Top 73%)12402(Top 76%)12402(Top 564%)
40K24.85 mi0.85 mi21934+5913118+3913118+3919587(Top 67%)11650(Top 71%)11650(Top 530%)
25.2M25.20 mi0.35 mi21868+6613082+3613082+3616206(Top 56%)10099(Top 62%)10099(Top 459%)
FINISH26.22 mi1.02 mi21703+16513000+8213000+8215166(Top 52%)9614(Top 59%)9614(Top 437%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21
+97ft-345ft

Overall

21583

Males

13069

M40-44

13069

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21505

Males

13017

M40-44

13017

10K→15K

6.2 - 9.3 mi

Top 74%
×3
+67ft-78ft

Overall

21583

Males

13069

M40-44

13069

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21644

Males

13075

M40-44

13075

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20718

Males

12666

M40-44

12666

HALF→25K

13.1 - 15.5 mi

Top 86%
×4
+66ft-88ft

Overall

24857

Males

14608

M40-44

14608

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20822

Males

12574

M40-44

12574

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22020

Males

13073

M40-44

13073

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19812

Males

11993

M40-44

11993

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20365

Males

12176

M40-44

12176

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22621

Males

13216

M40-44

13216

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21042

Males

12402

M40-44

12402

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19587

Males

11650

M40-44

11650

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16206

Males

10099

M40-44

10099

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15166

Males

9614

M40-44

9614

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2346*
Passed By
806
Net Change
+933
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22636
5K → 10K632*82+550#22636#22086
10K → 15K267*98+169#22086#21917
15K → 20K228*118+110#21917#21807
20K → HALF643+61#21807#21746
HALF → 25K18200-789#21746#22535
25K → 30K388*21+367#22535#22168
30K → 20M8574+11#22168#22157
20M → 21M16217+145#22157#22012
21M → 35K7512+63#22012#21949
35K → 23M56136-80#21949#22029
23M → 24M6529+36#22029#21993
24M → 40K7011+59#21993#21934
40K → 25.2M682+66#21934#21868
25.2M → FINISH1683+165#21868#21703
TOTALS2346*806+933

* 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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