Quick Links:All Results|Race Analytics|CourseCourse Information|ContactContact Time Management

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

Cai Nielsen

Bib: 15680 •M •Age: N/A

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M60-64)

#0 / 1514

Top 45%

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

Start

0:00:00

Race begins

23:13

3.11 mi

Rank: #12541

Start → 5K

23:13 | 7:29/mi

23:13

3.11 mi

Rank: #12541

Start → 5K

23:13 | 7:29/mi

10K

46:57

6.21 mi

Rank: #13316 (-775)

5K → 10K

23:44 | 7:39/mi

10K

46:57

6.21 mi

Rank: #13316 (-775)

5K → 10K

23:44 | 7:39/mi

15K

1:11:44

9.32 mi

Rank: #14510 (-1194)

10K → 15K

24:47 | 7:59/mi

15K

1:11:44

9.32 mi

Rank: #14510 (-1194)

10K → 15K

24:47 | 7:59/mi

20K

1:35:57

12.43 mi

Rank: #14478 (+32)

15K → 20K

24:13 | 7:48/mi

20K

1:35:57

12.43 mi

Rank: #14478 (+32)

15K → 20K

24:13 | 7:48/mi

HALF

1:40:56

13.11 mi

Rank: #14308 (+170)

20K → HALF

4:59 | 7:19/mi

HALF

1:40:56

13.11 mi

Rank: #14308 (+170)

20K → HALF

4:59 | 7:19/mi

25K

2:00:18

15.53 mi

Rank: #14456 (-148)

HALF → 25K

19:22 | 8:00/mi

25K

2:00:18

15.53 mi

Rank: #14456 (-148)

HALF → 25K

19:22 | 8:00/mi

30K

2:29:11

18.64 mi

Rank: #16005 (-1549)

25K → 30K

28:53 | 9:18/mi

30K

2:29:11

18.64 mi

Rank: #16005 (-1549)

25K → 30K

28:53 | 9:18/mi

20M

2:41:35

20.00 mi

Rank: #16318 (-313)

30K → 20M

12:24 | 9:08/mi

20M

2:41:35

20.00 mi

Rank: #16318 (-313)

30K → 20M

12:24 | 9:08/mi

21M

2:52:41

21.00 mi

Rank: #16949 (-631)

20M → 21M

11:06 | 11:06/mi

21M

2:52:41

21.00 mi

Rank: #16949 (-631)

20M → 21M

11:06 | 11:06/mi

35K

2:59:49

21.75 mi

Rank: #17197 (-248)

21M → 35K

7:08 | 9:33/mi

35K

2:59:49

21.75 mi

Rank: #17197 (-248)

21M → 35K

7:08 | 9:33/mi

23M

3:11:08

23.00 mi

Rank: #17276 (-79)

35K → 23M

11:19 | 9:03/mi

23M

3:11:08

23.00 mi

Rank: #17276 (-79)

35K → 23M

11:19 | 9:03/mi

24M

3:20:48

24.00 mi

Rank: #17541 (-265)

23M → 24M

9:40 | 9:40/mi

24M

3:20:48

24.00 mi

Rank: #17541 (-265)

23M → 24M

9:40 | 9:40/mi

40K

3:31:16

24.85 mi

Rank: #18268 (-727)

24M → 40K

10:28 | 12:15/mi

40K

3:31:16

24.85 mi

Rank: #18268 (-727)

24M → 40K

10:28 | 12:15/mi

25.2M

3:35:08

25.20 mi

Rank: #18378 (-110)

40K → 25.2M

3:52 | 11:13/mi

25.2M

3:35:08

25.20 mi

Rank: #18378 (-110)

40K → 25.2M

3:52 | 11:13/mi

FINISH

3:45:13

26.22 mi

Rank: #18679 (-301)

25.2M → FINISH

10:05 | 9:54/mi

FINISH

3:45:13

26.22 mi

Rank: #18679 (-301)

25.2M → FINISH

10:05 | 9:54/mi

Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:

Fatigue & pacing analysis
Finish time optimization
Qualification readiness
Segment-by-segment breakdown
Personalized race insights
Downloadable athlete report

Shareable via link — view it anywhere, share with anyone

AI Report Preview

Generating your preview…

$4.99

One-time purchase for this race

Includes a shareable link

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:40:56

Pace7:42 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:04:17

Pace9:29 /mi

📊Positive Split: 23.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:54:54	23:13	7:29	23:13	7:29	-
10K	6.21 mi	11:18:38	46:57	7:34	23:44	7:39	+0:10
15K	9.32 mi	11:43:25	1:11:44	7:42	24:47	7:59	+0:20
20K	12.43 mi	12:07:38	1:35:57	7:44	24:13	7:48	-0:11
HALF	13.11 mi	12:12:37	1:40:56	7:42	4:59	7:19	-0:29
25K	15.53 mi	12:31:59	2:00:18	7:45	19:22	8:00	+0:41
30K	18.64 mi	13:00:52	2:29:11	8:01	28:53	9:18	+1:18
20M	20.00 mi	13:13:16	2:41:35	8:05	12:24	9:08	-0:10
21M	21.00 mi	13:24:22	2:52:41	8:14	11:06	11:06	+1:58
35K	21.75 mi	13:31:30	2:59:49	8:17	7:08	9:33	-1:33
23M	23.00 mi	13:42:49	3:11:08	8:19	11:19	9:03	-0:30
24M	24.00 mi	13:52:29	3:20:48	8:23	9:40	9:40	+0:37
40K	24.85 mi	14:02:57	3:31:16	8:31	10:28	12:15	+2:35
25.2M	25.20 mi	14:06:49	3:35:08	8:33	3:52	11:13	-1:02
FINISH	26.22 mi	14:16:54	3:45:13	8:36	10:05	9:54	-1:19

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

7:19 /mi

Average Pace

8:36 /mi

Slowest Pace

12:15 /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

2:00:18

53% of race

Time at Steady Pace

1:09:24

31% of race

Time at Slower Pace

35:31

16% of race

Average Pace: 8:35 /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	10:54:54	23:13	7:29	23:13	7:29	#12541
10K	6.21 mi	11:18:38	46:57	7:34	23:44	7:39	#13316
15K	9.32 mi	11:43:25	1:11:44	7:42	24:47	7:59	#14510
20K	12.43 mi	12:07:38	1:35:57	7:44	24:13	7:48	#14478
HALF	13.11 mi	12:12:37	1:40:56	7:42	4:59	7:19	#14308
25K	15.53 mi	12:31:59	2:00:18	7:45	19:22	8:00	#14456
30K	18.64 mi	13:00:52	2:29:11	8:01	28:53	9:18	#16005
20M	20.00 mi	13:13:16	2:41:35	8:05	12:24	9:08	#16318
21M	21.00 mi	13:24:22	2:52:41	8:14	11:06	11:06	#16949
35K	21.75 mi	13:31:30	2:59:49	8:17	7:08	9:33	#17197
23M	23.00 mi	13:42:49	3:11:08	8:19	11:19	9:03	#17276
24M	24.00 mi	13:52:29	3:20:48	8:23	9:40	9:40	#17541
40K	24.85 mi	14:02:57	3:31:16	8:31	10:28	12:15	#18268
25.2M	25.20 mi	14:06:49	3:35:08	8:33	3:52	11:13	#18378
FINISH	26.22 mi	14:16:54	3:45:13	8:36	10:05	9:54	#18679

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	M60-64	Seg. Overall	Seg. Males	Seg. M60-64
5K	3.11 mi	3.11 mi	12541	9278	9278	16833(Top 58%)	10961(Top 67%)	10961(Top 724%)
10K	6.21 mi	3.10 mi	13316-775	9562-284	9562-284	14223(Top 49%)	9923(Top 61%)	9923(Top 655%)
15K	9.32 mi	3.11 mi	14510-1194	10023-461	10023-461	16833(Top 58%)	10961(Top 67%)	10961(Top 724%)
20K	12.43 mi	3.11 mi	14478+32	9998+25	9998+25	14475(Top 50%)	9933(Top 61%)	9933(Top 656%)
HALF	13.11 mi	0.68 mi	14308+170	9934+64	9934+64	11274(Top 39%)	8640(Top 53%)	8640(Top 571%)
25K	15.53 mi	2.42 mi	14456-148	9964-30	9964-30	15291(Top 53%)	10213(Top 63%)	10213(Top 675%)
30K	18.64 mi	3.11 mi	16005-1549	10531-567	10531-567	20912(Top 72%)	12617(Top 77%)	12617(Top 833%)
20M	20.00 mi	1.36 mi	16318-313	10646-115	10646-115	19540(Top 67%)	11901(Top 73%)	11901(Top 786%)
21M	21.00 mi	1.00 mi	16949-631	10913-267	10913-267	23323(Top 80%)	13630(Top 83%)	13630(Top 900%)
35K	21.75 mi	0.75 mi	17197-248	11004-91	11004-91	21849(Top 75%)	12881(Top 79%)	12881(Top 851%)
23M	23.00 mi	1.25 mi	17276-79	11004	11004	18683(Top 64%)	11300(Top 69%)	11300(Top 746%)
24M	24.00 mi	1.00 mi	17541-265	11093-89	11093-89	21861(Top 75%)	12809(Top 78%)	12809(Top 846%)
40K	24.85 mi	0.85 mi	18268-727	11400-307	11400-307	26205(Top 90%)	14859(Top 91%)	14859(Top 981%)
25.2M	25.20 mi	0.35 mi	18378-110	11440-40	11440-40	22839(Top 79%)	13223(Top 81%)	13223(Top 873%)
FINISH	26.22 mi	1.02 mi	18679-301	11549-109	11549-109	23536(Top 81%)	13555(Top 83%)	13555(Top 895%)

13555

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

750

Passed By

2423

Net Change

-6138

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#12541
5K → 10K	60	200	-775	#12541	#13316
10K → 15K	29	200	-1194	#13316	#14510
15K → 20K	182	150	+32	#14510	#14478
20K → HALF	170	0	+170	#14478	#14308
HALF → 25K	96	200	-148	#14308	#14456
25K → 30K	29	200	-1549	#14456	#16005
30K → 20M	30	200	-313	#16005	#16318
20M → 21M	11	200	-631	#16318	#16949
21M → 35K	17	200	-248	#16949	#17197
35K → 23M	79	158	-79	#17197	#17276
23M → 24M	24	200	-265	#17276	#17541
24M → 40K	5	200	-727	#17541	#18268
40K → 25.2M	5	115	-110	#18268	#18378
25.2M → FINISH	13	200	-301	#18378	#18679
TOTALS	750	2423	-6138

📊

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.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Share Feedback

Quick Links

Explore more race data and athlete comparisons

All Results

Browse complete race results with filtering

→

Race Analytics

View race statistics, trends, and insights

→

Course Information

View interactive course map and elevation

→

Contact Time Management

Questions about your timing data or results

→

Results processed 3 months ago

Public Race Data

Cai Nielsen

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

AI Performance Report

Understand What Really Happened During Your Race

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