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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kenneth Butterfield

Bib: 31584 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
31:22
3.11 mi
Rank: #26214
Start β†’ 5K
31:22 | 10:06/mi
10K
1:00:36
6.21 mi
Rank: #25227 (+987)
5K β†’ 10K
29:14 | 9:25/mi
15K
1:29:14
9.32 mi
Rank: #24696 (+531)
10K β†’ 15K
28:38 | 9:13/mi
20K
1:59:10
12.43 mi
Rank: #24570 (+126)
15K β†’ 20K
29:56 | 9:39/mi
HALF
2:05:03
13.11 mi
Rank: #24437 (+133)
20K β†’ HALF
5:53 | 8:38/mi
25K
2:27:25
15.53 mi
Rank: #24068 (+369)
HALF β†’ 25K
22:22 | 9:14/mi
30K
2:57:09
18.64 mi
Rank: #23644 (+424)
25K β†’ 30K
29:44 | 9:35/mi
20M
3:10:25
20.00 mi
Rank: #23501 (+143)
30K β†’ 20M
13:16 | 9:47/mi
21M
3:20:44
21.00 mi
Rank: #23351 (+150)
20M β†’ 21M
10:19 | 10:19/mi
35K
3:28:10
21.75 mi
Rank: #23319 (+32)
21M β†’ 35K
7:26 | 9:57/mi
23M
3:40:35
23.00 mi
Rank: #23229 (+90)
35K β†’ 23M
12:25 | 9:56/mi
24M
3:49:55
24.00 mi
Rank: #23114 (+115)
23M β†’ 24M
9:20 | 9:20/mi
40K
3:58:13
24.85 mi
Rank: #23023 (+91)
24M β†’ 40K
8:18 | 9:43/mi
25.2M
4:01:52
25.20 mi
Rank: #22999 (+24)
40K β†’ 25.2M
3:39 | 10:36/mi
FINISH
4:10:49
26.22 mi
Rank: #22882 (+117)
25.2M β†’ FINISH
8:57 | 8:47/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time2:05:03
Pace9:33 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time2:05:46
Pace9:36 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:2031:2210:0631:22
10:06
-
10K
6.21 mi12:28:341:00:369:4629:14
9:25
-0:41
15K
9.32 mi12:57:121:29:149:3528:38
9:13
-0:12
20K
12.43 mi13:27:081:59:109:3629:56
9:39
+0:26
HALF
13.11 mi13:33:012:05:039:335:53
8:38
-1:01
25K
15.53 mi13:55:232:27:259:3022:22
9:14
+0:36
30K
18.64 mi14:25:072:57:099:3129:44
9:35
+0:21
20M
20.00 mi14:38:233:10:259:3213:16
9:47
+0:12
21M
21.00 mi14:48:423:20:449:3410:19
10:19
+0:32
35K
21.75 mi14:56:083:28:109:357:26
9:57
-0:22
23M
23.00 mi15:08:333:40:359:3612:25
9:56
-0:01
24M
24.00 mi15:17:533:49:559:359:20
9:20
-0:36
40K
24.85 mi15:26:113:58:139:368:18
9:43
+0:23
25.2M
25.20 mi15:29:504:01:529:363:39
10:36
+0:53
FINISH
26.22 mi15:38:474:10:499:358:57
8:47
-1:49

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

8:38 /mi

Average Pace

9:34 /mi

Slowest Pace

10:36 /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

1:15:10

30% of race

Time at Steady Pace

1:50:28

44% of race

Time at Slower Pace

1:05:11

26% of race

Average Pace: 9:34 /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 mi11:59:2031:2210:0631:22
10:06
#26214
10K
6.21 mi12:28:341:00:369:4629:14
9:25
#25227
15K
9.32 mi12:57:121:29:149:3528:38
9:13
#24696
20K
12.43 mi13:27:081:59:109:3629:56
9:39
#24570
HALF
13.11 mi13:33:012:05:039:335:53
8:38
#24437
25K
15.53 mi13:55:232:27:259:3022:22
9:14
#24068
30K
18.64 mi14:25:072:57:099:3129:44
9:35
#23644
20M
20.00 mi14:38:233:10:259:3213:16
9:47
#23501
21M
21.00 mi14:48:423:20:449:3410:19
10:19
#23351
35K
21.75 mi14:56:083:28:109:357:26
9:57
#23319
23M
23.00 mi15:08:333:40:359:3612:25
9:56
#23229
24M
24.00 mi15:17:533:49:559:359:20
9:20
#23114
40K
24.85 mi15:26:113:58:139:368:18
9:43
#23023
25.2M
25.20 mi15:29:504:01:529:363:39
10:36
#22999
FINISH
26.22 mi15:38:474:10:499:358:57
8:47
#22882
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 mi26214152921529223549(Top 81%)14020(Top 86%)14020(Top 245%)
10K6.21 mi3.10 mi25227+98714826+46614826+46624301(Top 84%)14391(Top 88%)14391(Top 251%)
15K9.32 mi3.11 mi24696+53114584+24214584+24223549(Top 81%)14020(Top 86%)14020(Top 245%)
20K12.43 mi3.11 mi24570+12614522+6214522+6224126(Top 83%)14283(Top 87%)14283(Top 250%)
HALF13.11 mi0.68 mi24437+13314461+6114461+6120983(Top 72%)12797(Top 78%)12797(Top 224%)
25K15.53 mi2.42 mi24068+36914266+19514266+19522119(Top 76%)13288(Top 81%)13288(Top 232%)
30K18.64 mi3.11 mi23644+42414018+24814018+24821863(Top 75%)13078(Top 80%)13078(Top 229%)
20M20.00 mi1.36 mi23501+14313931+8713931+8721934(Top 76%)13031(Top 80%)13031(Top 228%)
21M21.00 mi1.00 mi23351+15013836+9513836+9521448(Top 74%)12756(Top 78%)12756(Top 223%)
35K21.75 mi0.75 mi23319+3213818+1813818+1822963(Top 79%)13442(Top 82%)13442(Top 235%)
23M23.00 mi1.25 mi23229+9013765+5313765+5321911(Top 76%)12883(Top 79%)12883(Top 225%)
24M24.00 mi1.00 mi23114+11513690+7513690+7520740(Top 71%)12254(Top 75%)12254(Top 214%)
40K24.85 mi0.85 mi23023+9113638+5213638+5221068(Top 73%)12381(Top 76%)12381(Top 216%)
25.2M25.20 mi0.35 mi22999+2413620+1813620+1821303(Top 73%)12512(Top 77%)12512(Top 219%)
FINISH26.22 mi1.02 mi22882+11713550+7013550+7019561(Top 67%)11647(Top 71%)11647(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
Γ—21
+97ft-345ft

Overall

23549

Males

14020

M18-39

14020

5K→10K

3.1 - 6.2 mi

Top 84%
Γ—5
+79ft-138ft

Overall

24301

Males

14391

M18-39

14391

10K→15K

6.2 - 9.3 mi

Top 81%
Γ—3
+67ft-78ft

Overall

23549

Males

14020

M18-39

14020

15K→20K

9.3 - 12.4 mi

Top 83%
Γ—5
+106ft-86ft

Overall

24126

Males

14283

M18-39

14283

20K→HALF

12.4 - 13.1 mi

Top 72%
Γ—2
+19ft-37ft

Overall

20983

Males

12797

M18-39

12797

HALF→25K

13.1 - 15.5 mi

Top 76%
Γ—4
+66ft-88ft

Overall

22119

Males

13288

M18-39

13288

25K→30K

15.5 - 18.6 mi

Top 75%
Γ—9
+181ft-148ft

Overall

21863

Males

13078

M18-39

13078

30K→20M

18.6 - 20.0 mi

Top 76%
Γ—5
+64ft-50ft

Overall

21934

Males

13031

M18-39

13031

20M→21M

20.0 - 21.0 mi

Top 74%
Γ—8
+106ft-24ft

Overall

21448

Males

12756

M18-39

12756

21M→35K

21.0 - 21.8 mi

Top 79%
Γ—7
+17ft-86ft

Overall

22963

Males

13442

M18-39

13442

35K→23M

21.8 - 23.0 mi

Top 76%
Γ—5
+23ft-63ft

Overall

21911

Males

12883

M18-39

12883

23M→24M

23.0 - 24.0 mi

Top 71%
Γ—6
+12ft-82ft

Overall

20740

Males

12254

M18-39

12254

24M→40K

24.0 - 24.9 mi

Top 73%
Γ—1
+6ft-20ft

Overall

21068

Males

12381

M18-39

12381

40K→25.2M

24.9 - 25.2 mi

Top 73%
Γ—1
+13ft-16ft

Overall

21303

Males

12512

M18-39

12512

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
Γ—2
+22ft-21ft

Overall

19561

Males

11647

M18-39

11647

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3518*
Passed By
186
Net Change
+3332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26214
5K β†’ 10K994*7+987#26214#25227
10K β†’ 15K538*7+531#25227#24696
15K β†’ 20K19670+126#24696#24570
20K β†’ HALF1330+133#24570#24437
HALF β†’ 25K373*4+369#24437#24068
25K β†’ 30K430*6+424#24068#23644
30K β†’ 20M15310+143#23644#23501
20M β†’ 21M16111+150#23501#23351
21M β†’ 35K6028+32#23351#23319
35K β†’ 23M10515+90#23319#23229
23M β†’ 24M1194+115#23229#23114
24M β†’ 40K10211+91#23114#23023
40K β†’ 25.2M328+24#23023#22999
25.2M β†’ FINISH1225+117#22999#22882
TOTALS3518*186+3332

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

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

Activity Data

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