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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

BOSTON MARATHON 2026

David Nerrow

Bib: 11672 •M •Age: N/A

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M55-59)

#0 / 1491

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

Start

0:00:00

Race begins

23:29

3.11 mi

Rank: #13261

Start → 5K

23:29 | 7:34/mi

23:29

3.11 mi

Rank: #13261

Start → 5K

23:29 | 7:34/mi

10K

47:16

6.21 mi

Rank: #13793 (-532)

5K → 10K

23:47 | 7:40/mi

10K

47:16

6.21 mi

Rank: #13793 (-532)

5K → 10K

23:47 | 7:40/mi

15K

1:12:53

9.32 mi

Rank: #15581 (-1788)

10K → 15K

25:37 | 8:15/mi

15K

1:12:53

9.32 mi

Rank: #15581 (-1788)

10K → 15K

25:37 | 8:15/mi

20K

1:37:43

12.43 mi

Rank: #15671 (-90)

15K → 20K

24:50 | 8:00/mi

20K

1:37:43

12.43 mi

Rank: #15671 (-90)

15K → 20K

24:50 | 8:00/mi

HALF

1:43:06

13.11 mi

Rank: #15711 (-40)

20K → HALF

5:23 | 7:54/mi

HALF

1:43:06

13.11 mi

Rank: #15711 (-40)

20K → HALF

5:23 | 7:54/mi

25K

2:03:06

15.53 mi

Rank: #15978 (-267)

HALF → 25K

20:00 | 8:15/mi

25K

2:03:06

15.53 mi

Rank: #15978 (-267)

HALF → 25K

20:00 | 8:15/mi

30K

2:31:25

18.64 mi

Rank: #16863 (-885)

25K → 30K

28:19 | 9:07/mi

30K

2:31:25

18.64 mi

Rank: #16863 (-885)

25K → 30K

28:19 | 9:07/mi

20M

2:45:40

20.00 mi

Rank: #17685 (-822)

30K → 20M

14:15 | 10:30/mi

20M

2:45:40

20.00 mi

Rank: #17685 (-822)

30K → 20M

14:15 | 10:30/mi

21M

2:57:37

21.00 mi

Rank: #18417 (-732)

20M → 21M

11:57 | 11:57/mi

21M

2:57:37

21.00 mi

Rank: #18417 (-732)

20M → 21M

11:57 | 11:57/mi

35K

3:06:01

21.75 mi

Rank: #18931 (-514)

21M → 35K

8:24 | 11:14/mi

35K

3:06:01

21.75 mi

Rank: #18931 (-514)

21M → 35K

8:24 | 11:14/mi

23M

3:21:15

23.00 mi

Rank: #19883 (-952)

35K → 23M

15:14 | 12:11/mi

23M

3:21:15

23.00 mi

Rank: #19883 (-952)

35K → 23M

15:14 | 12:11/mi

24M

3:32:44

24.00 mi

Rank: #20378 (-495)

23M → 24M

11:29 | 11:29/mi

24M

3:32:44

24.00 mi

Rank: #20378 (-495)

23M → 24M

11:29 | 11:29/mi

40K

3:44:17

24.85 mi

Rank: #21035 (-657)

24M → 40K

11:33 | 13:31/mi

40K

3:44:17

24.85 mi

Rank: #21035 (-657)

24M → 40K

11:33 | 13:31/mi

25.2M

3:49:08

25.20 mi

Rank: #21268 (-233)

40K → 25.2M

4:51 | 14:04/mi

25.2M

3:49:08

25.20 mi

Rank: #21268 (-233)

40K → 25.2M

4:51 | 14:04/mi

FINISH

4:00:34

26.22 mi

Rank: #21643 (-375)

25.2M → FINISH

11:26 | 11:14/mi

FINISH

4:00:34

26.22 mi

Rank: #21643 (-375)

25.2M → FINISH

11:26 | 11:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:43:06

Pace7:52 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:17:28

Pace10:30 /mi

📊Positive Split: 33.3% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:42:20	23:29	7:34	23:29	7:34	-
10K	6.21 mi	11:06:07	47:16	7:37	23:47	7:40	+0:06
15K	9.32 mi	11:31:44	1:12:53	7:50	25:37	8:15	+0:35
20K	12.43 mi	11:56:34	1:37:43	7:52	24:50	8:00	-0:15
HALF	13.11 mi	12:01:57	1:43:06	7:52	5:23	7:54	-0:06
25K	15.53 mi	12:21:57	2:03:06	7:56	20:00	8:15	+0:21
30K	18.64 mi	12:50:16	2:31:25	8:08	28:19	9:07	+0:52
20M	20.00 mi	13:04:31	2:45:40	8:18	14:15	10:30	+1:23
21M	21.00 mi	13:16:28	2:57:37	8:28	11:57	11:57	+1:27
35K	21.75 mi	13:24:52	3:06:01	8:34	8:24	11:14	-0:43
23M	23.00 mi	13:40:06	3:21:15	8:46	15:14	12:11	+0:57
24M	24.00 mi	13:51:35	3:32:44	8:52	11:29	11:29	-0:42
40K	24.85 mi	14:03:08	3:44:17	9:02	11:33	13:31	+2:02
25.2M	25.20 mi	14:07:59	3:49:08	9:06	4:51	14:04	+0:33
FINISH	26.22 mi	14:19:25	4:00:34	9:11	11:26	11:14	-2:50

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

7:34 /mi

Average Pace

9:11 /mi

Slowest Pace

14:04 /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

2:31:25

63% of race

Time at Steady Pace

45:34

19% of race

Time at Slower Pace

43:35

18% of race

Average Pace: 9:10 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:42:20	23:29	7:34	23:29	7:34	#13261
10K	6.21 mi	11:06:07	47:16	7:37	23:47	7:40	#13793
15K	9.32 mi	11:31:44	1:12:53	7:50	25:37	8:15	#15581
20K	12.43 mi	11:56:34	1:37:43	7:52	24:50	8:00	#15671
HALF	13.11 mi	12:01:57	1:43:06	7:52	5:23	7:54	#15711
25K	15.53 mi	12:21:57	2:03:06	7:56	20:00	8:15	#15978
30K	18.64 mi	12:50:16	2:31:25	8:08	28:19	9:07	#16863
20M	20.00 mi	13:04:31	2:45:40	8:18	14:15	10:30	#17685
21M	21.00 mi	13:16:28	2:57:37	8:28	11:57	11:57	#18417
35K	21.75 mi	13:24:52	3:06:01	8:34	8:24	11:14	#18931
23M	23.00 mi	13:40:06	3:21:15	8:46	15:14	12:11	#19883
24M	24.00 mi	13:51:35	3:32:44	8:52	11:29	11:29	#20378
40K	24.85 mi	14:03:08	3:44:17	9:02	11:33	13:31	#21035
25.2M	25.20 mi	14:07:59	3:49:08	9:06	4:51	14:04	#21268
FINISH	26.22 mi	14:19:25	4:00:34	9:11	11:26	11:14	#21643

Faster pace

Steady pace

Slower pace

Rankings

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

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3.11 mi	13261	9573	9573	18637(Top 64%)	11729(Top 72%)	11729(Top 787%)
10K	6.21 mi	3.10 mi	13793-532	9774-201	9774-201	14371(Top 50%)	9984(Top 61%)	9984(Top 670%)
15K	9.32 mi	3.11 mi	15581-1788	10428-654	10428-654	18637(Top 64%)	11729(Top 72%)	11729(Top 787%)
20K	12.43 mi	3.11 mi	15671-90	10449-21	10449-21	16076(Top 55%)	10593(Top 65%)	10593(Top 710%)
HALF	13.11 mi	0.68 mi	15711-40	10462-13	10462-13	16308(Top 56%)	10742(Top 66%)	10742(Top 720%)
25K	15.53 mi	2.42 mi	15978-267	10556-94	10556-94	17111(Top 59%)	10994(Top 67%)	10994(Top 737%)
30K	18.64 mi	3.11 mi	16863-885	10903-347	10903-347	20136(Top 69%)	12252(Top 75%)	12252(Top 822%)
20M	20.00 mi	1.36 mi	17685-822	11237-334	11237-334	23820(Top 82%)	13913(Top 85%)	13913(Top 933%)
21M	21.00 mi	1.00 mi	18417-732	11526-289	11526-289	24981(Top 86%)	14393(Top 88%)	14393(Top 965%)
35K	21.75 mi	0.75 mi	18931-514	11736-210	11736-210	25627(Top 88%)	14681(Top 90%)	14681(Top 985%)
23M	23.00 mi	1.25 mi	19883-952	12151-415	12151-415	26350(Top 91%)	15005(Top 92%)	15005(Top 1006%)
24M	24.00 mi	1.00 mi	20378-495	12379-228	12379-228	25912(Top 89%)	14750(Top 90%)	14750(Top 989%)
40K	24.85 mi	0.85 mi	21035-657	12690-311	12690-311	27500(Top 95%)	15527(Top 95%)	15527(Top 1041%)
25.2M	25.20 mi	0.35 mi	21268-233	12802-112	12802-112	27252(Top 94%)	15387(Top 94%)	15387(Top 1032%)
FINISH	26.22 mi	1.02 mi	21643-375	12971-169	12971-169	26461(Top 91%)	14991(Top 92%)	14991(Top 1005%)

14991

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

480

Passed By

2668

Net Change

-8382

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#13261
5K → 10K	114	200	-532	#13261	#13793
10K → 15K	12	200	-1788	#13793	#15581
15K → 20K	147	200	-90	#15581	#15671
20K → HALF	28	68	-40	#15671	#15711
HALF → 25K	80	200	-267	#15711	#15978
25K → 30K	51	200	-885	#15978	#16863
30K → 20M	5	200	-822	#16863	#17685
20M → 21M	7	200	-732	#17685	#18417
21M → 35K	9	200	-514	#18417	#18931
35K → 23M	3	200	-952	#18931	#19883
23M → 24M	12	200	-495	#19883	#20378
24M → 40K	3	200	-657	#20378	#21035
40K → 25.2M	2	200	-233	#21035	#21268
25.2M → FINISH	7	200	-375	#21268	#21643
TOTALS	480	2668	-8382

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Results processed 3 months ago

Public Race Data

David Nerrow

AI Performance Report

Understand What Really Happened During Your Race

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH

Passing

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Qualifying & Age Grade

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management