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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nate Boulton

Bib: 27427 •M •Age: N/A

IA

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
Personalized for Nate

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:28/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
28:44
3.11 mi
Rank: #23600
Start → 5K
28:44 | 9:15/mi
10K
56:52
6.21 mi
Rank: #23379 (+221)
5K → 10K
28:08 | 9:04/mi
15K
1:26:23
9.32 mi
Rank: #23793 (-414)
10K → 15K
29:31 | 9:31/mi
20K
1:54:29
12.43 mi
Rank: #23401 (+392)
15K → 20K
28:06 | 9:03/mi
HALF
2:00:35
13.11 mi
Rank: #23359 (+42)
20K → HALF
6:06 | 8:57/mi
25K
2:22:32
15.53 mi
Rank: #23023 (+336)
HALF → 25K
21:57 | 9:04/mi
30K
2:51:10
18.64 mi
Rank: #22561 (+462)
25K → 30K
28:38 | 9:13/mi
20M
3:03:48
20.00 mi
Rank: #22369 (+192)
30K → 20M
12:38 | 9:19/mi
21M
3:13:12
21.00 mi
Rank: #22114 (+255)
20M → 21M
9:24 | 9:24/mi
35K
3:19:48
21.75 mi
Rank: #22002 (+112)
21M → 35K
6:36 | 8:50/mi
23M
3:30:58
23.00 mi
Rank: #21816 (+186)
35K → 23M
11:10 | 8:56/mi
24M
3:39:34
24.00 mi
Rank: #21671 (+145)
23M → 24M
8:36 | 8:36/mi
40K
3:47:11
24.85 mi
Rank: #21556 (+115)
24M → 40K
7:37 | 8:55/mi
25.2M
3:50:26
25.20 mi
Rank: #21506 (+50)
40K → 25.2M
3:15 | 9:26/mi
FINISH
3:59:04
26.22 mi
Rank: #21402 (+104)
25.2M → FINISH
8:38 | 8:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:29
Pace9:03 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0428:449:1528:44
9:15
-
10K
6.21 mi12:18:1256:529:1028:08
9:04
-0:11
15K
9.32 mi12:47:431:26:239:1729:31
9:31
+0:27
20K
12.43 mi13:15:491:54:299:1328:06
9:03
-0:28
HALF
13.11 mi13:21:552:00:359:126:06
8:57
-0:06
25K
15.53 mi13:43:522:22:329:1121:57
9:04
+0:07
30K
18.64 mi14:12:302:51:109:1128:38
9:13
+0:09
20M
20.00 mi14:25:083:03:489:1212:38
9:19
+0:06
21M
21.00 mi14:34:323:13:129:139:24
9:24
+0:05
35K
21.75 mi14:41:083:19:489:126:36
8:50
-0:34
23M
23.00 mi14:52:183:30:589:1111:10
8:56
+0:06
24M
24.00 mi15:00:543:39:349:098:36
8:36
-0:20
40K
24.85 mi15:08:313:47:119:097:37
8:55
+0:19
25.2M
25.20 mi15:11:463:50:269:093:15
9:26
+0:31
FINISH
26.22 mi15:20:243:59:049:088:38
8:29
-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

8:29 /mi

Average Pace

9:07 /mi

Slowest Pace

9:31 /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

3:16:54

82% of race

Time at Steady Pace

42:10

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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 mi11:50:0428:449:1528:44
9:15
#23600
10K
6.21 mi12:18:1256:529:1028:08
9:04
#23379
15K
9.32 mi12:47:431:26:239:1729:31
9:31
#23793
20K
12.43 mi13:15:491:54:299:1328:06
9:03
#23401
HALF
13.11 mi13:21:552:00:359:126:06
8:57
#23359
25K
15.53 mi13:43:522:22:329:1121:57
9:04
#23023
30K
18.64 mi14:12:302:51:109:1128:38
9:13
#22561
20M
20.00 mi14:25:083:03:489:1212:38
9:19
#22369
21M
21.00 mi14:34:323:13:129:139:24
9:24
#22114
35K
21.75 mi14:41:083:19:489:126:36
8:50
#22002
23M
23.00 mi14:52:183:30:589:1111:10
8:56
#21816
24M
24.00 mi15:00:543:39:349:098:36
8:36
#21671
40K
24.85 mi15:08:313:47:119:097:37
8:55
#21556
25.2M
25.20 mi15:11:463:50:269:093:15
9:26
#21506
FINISH
26.22 mi15:20:243:59:049:088:38
8:29
#21402
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 mi23600140251402524437(Top 84%)14455(Top 88%)14455(Top 599%)
10K6.21 mi3.10 mi23379+22113936+8913936+8923044(Top 79%)13765(Top 84%)13765(Top 570%)
15K9.32 mi3.11 mi23793-41414143-20714143-20724437(Top 84%)14455(Top 88%)14455(Top 599%)
20K12.43 mi3.11 mi23401+39213945+19813945+19822120(Top 76%)13306(Top 81%)13306(Top 551%)
HALF13.11 mi0.68 mi23359+4213922+2313922+2322474(Top 77%)13479(Top 82%)13479(Top 559%)
25K15.53 mi2.42 mi23023+33613749+17313749+17321398(Top 74%)12940(Top 79%)12940(Top 536%)
30K18.64 mi3.11 mi22561+46213483+26613483+26620582(Top 71%)12459(Top 76%)12459(Top 516%)
20M20.00 mi1.36 mi22369+19213389+9413389+9420285(Top 70%)12243(Top 75%)12243(Top 507%)
21M21.00 mi1.00 mi22114+25513256+13313256+13318071(Top 62%)11177(Top 68%)11177(Top 463%)
35K21.75 mi0.75 mi22002+11213184+7213184+7219235(Top 66%)11612(Top 71%)11612(Top 481%)
23M23.00 mi1.25 mi21816+18613081+10313081+10318117(Top 62%)11041(Top 68%)11041(Top 458%)
24M24.00 mi1.00 mi21671+14513007+7413007+7417481(Top 60%)10704(Top 66%)10704(Top 444%)
40K24.85 mi0.85 mi21556+11512941+6612941+6617938(Top 62%)10881(Top 67%)10881(Top 451%)
25.2M25.20 mi0.35 mi21506+5012914+2712914+2716933(Top 58%)10420(Top 64%)10420(Top 432%)
FINISH26.22 mi1.02 mi21402+10412858+5612858+5618006(Top 62%)10899(Top 67%)10899(Top 452%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21
+97ft-345ft

Overall

24437

Males

14455

M45-49

14455

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

23044

Males

13765

M45-49

13765

10K→15K

6.2 - 9.3 mi

Top 84%
×3
+67ft-78ft

Overall

24437

Males

14455

M45-49

14455

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22120

Males

13306

M45-49

13306

20K→HALF

12.4 - 13.1 mi

Top 77%
×2
+19ft-37ft

Overall

22474

Males

13479

M45-49

13479

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21398

Males

12940

M45-49

12940

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20582

Males

12459

M45-49

12459

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20285

Males

12243

M45-49

12243

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

18071

Males

11177

M45-49

11177

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19235

Males

11612

M45-49

11612

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18117

Males

11041

M45-49

11041

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17481

Males

10704

M45-49

10704

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

17938

Males

10881

M45-49

10881

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16933

Males

10420

M45-49

10420

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18006

Males

10899

M45-49

10899

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2888*
Passed By
415
Net Change
+2198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23600
5K → 10K353*132+221#23600#23379
10K → 15K61200-414#23379#23793
15K → 20K413*21+392#23793#23401
20K → HALF508+42#23401#23359
HALF → 25K345*9+336#23359#23023
25K → 30K468*6+462#23023#22561
30K → 20M1942+192#22561#22369
20M → 21M255*0+255#22369#22114
21M → 35K1164+112#22114#22002
35K → 23M1937+186#22002#21816
23M → 24M1505+145#21816#21671
24M → 40K1238+115#21671#21556
40K → 25.2M544+50#21556#21506
25.2M → FINISH1139+104#21506#21402
TOTALS2888*415+2198

* 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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