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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

Catherine Callahan

Bib: 28521 •F •Age: N/A

0:00

0:00

/ mi

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Overall

#0 / 29021

Gender (Female)

#0 / 12578

Top 41%

Age Group (F18-39)

#0 / 5716

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

26:39

3.11 mi

Rank: #20504

Start → 5K

26:39 | 8:35/mi

26:39

3.11 mi

Rank: #20504

Start → 5K

26:39 | 8:35/mi

10K

51:58

6.21 mi

Rank: #19405 (+1099)

5K → 10K

25:19 | 8:09/mi

10K

51:58

6.21 mi

Rank: #19405 (+1099)

5K → 10K

25:19 | 8:09/mi

15K

1:17:24

9.32 mi

Rank: #19048 (+357)

10K → 15K

25:26 | 8:12/mi

15K

1:17:24

9.32 mi

Rank: #19048 (+357)

10K → 15K

25:26 | 8:12/mi

20K

1:42:49

12.43 mi

Rank: #18586 (+462)

15K → 20K

25:25 | 8:11/mi

20K

1:42:49

12.43 mi

Rank: #18586 (+462)

15K → 20K

25:25 | 8:11/mi

HALF

1:48:21

13.11 mi

Rank: #18562 (+24)

20K → HALF

5:32 | 8:08/mi

HALF

1:48:21

13.11 mi

Rank: #18562 (+24)

20K → HALF

5:32 | 8:08/mi

25K

2:07:47

15.53 mi

Rank: #18097 (+465)

HALF → 25K

19:26 | 8:01/mi

25K

2:07:47

15.53 mi

Rank: #18097 (+465)

HALF → 25K

19:26 | 8:01/mi

30K

2:33:02

18.64 mi

Rank: #17441 (+656)

25K → 30K

25:15 | 8:08/mi

30K

2:33:02

18.64 mi

Rank: #17441 (+656)

25K → 30K

25:15 | 8:08/mi

20M

2:44:00

20.00 mi

Rank: #17141 (+300)

30K → 20M

10:58 | 8:05/mi

20M

2:44:00

20.00 mi

Rank: #17141 (+300)

30K → 20M

10:58 | 8:05/mi

21M

2:51:58

21.00 mi

Rank: #16731 (+410)

20M → 21M

7:58 | 7:58/mi

21M

2:51:58

21.00 mi

Rank: #16731 (+410)

20M → 21M

7:58 | 7:58/mi

35K

2:57:24

21.75 mi

Rank: #16442 (+289)

21M → 35K

5:26 | 7:16/mi

35K

2:57:24

21.75 mi

Rank: #16442 (+289)

21M → 35K

5:26 | 7:16/mi

23M

3:07:13

23.00 mi

Rank: #16122 (+320)

35K → 23M

9:49 | 7:51/mi

23M

3:07:13

23.00 mi

Rank: #16122 (+320)

35K → 23M

9:49 | 7:51/mi

24M

3:15:01

24.00 mi

Rank: #15963 (+159)

23M → 24M

7:48 | 7:48/mi

24M

3:15:01

24.00 mi

Rank: #15963 (+159)

23M → 24M

7:48 | 7:48/mi

40K

3:21:32

24.85 mi

Rank: #15728 (+235)

24M → 40K

6:31 | 7:38/mi

40K

3:21:32

24.85 mi

Rank: #15728 (+235)

24M → 40K

6:31 | 7:38/mi

25.2M

3:24:11

25.20 mi

Rank: #15596 (+132)

40K → 25.2M

2:39 | 7:42/mi

25.2M

3:24:11

25.20 mi

Rank: #15596 (+132)

40K → 25.2M

2:39 | 7:42/mi

FINISH

3:31:17

26.22 mi

Rank: #15305 (+291)

25.2M → FINISH

7:06 | 6:59/mi

FINISH

3:31:17

26.22 mi

Rank: #15305 (+291)

25.2M → FINISH

7:06 | 6:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half

via HALF

Distance13.11 mi

Time1:48:21

Pace8:16 /mi

2nd Half✓ Faster

Spacer

Distance13.11 mi

Time1:42:56

Pace7:52 /mi

📊Negative Split: 5.0% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:49:20	26:39	8:35	26:39	8:35	-
10K	6.21 mi	12:14:39	51:58	8:22	25:19	8:09	-0:26
15K	9.32 mi	12:40:05	1:17:24	8:19	25:26	8:12	+0:03
20K	12.43 mi	13:05:30	1:42:49	8:17	25:25	8:11	-0:01
HALF	13.11 mi	13:11:02	1:48:21	8:16	5:32	8:08	-0:03
25K	15.53 mi	13:30:28	2:07:47	8:14	19:26	8:01	-0:07
30K	18.64 mi	13:55:43	2:33:02	8:13	25:15	8:08	+0:07
20M	20.00 mi	14:06:41	2:44:00	8:13	10:58	8:05	-0:03
21M	21.00 mi	14:14:39	2:51:58	8:12	7:58	7:58	-0:07
35K	21.75 mi	14:20:05	2:57:24	8:10	5:26	7:16	-0:42
23M	23.00 mi	14:29:54	3:07:13	8:09	9:49	7:51	+0:35
24M	24.00 mi	14:37:42	3:15:01	8:08	7:48	7:48	-0:03
40K	24.85 mi	14:44:13	3:21:32	8:07	6:31	7:38	-0:10
25.2M	25.20 mi	14:46:52	3:24:11	8:07	2:39	7:42	+0:04
FINISH	26.22 mi	14:53:58	3:31:17	8:04	7:06	6:59	-0:43

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

6:59 /mi

Average Pace

8:04 /mi

Slowest Pace

8:35 /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

29:30

14% of race

Time at Steady Pace

2:35:08

73% of race

Time at Slower Pace

26:39

13% of race

Average Pace: 8:03 /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	11:49:20	26:39	8:35	26:39	8:35	#20504
10K	6.21 mi	12:14:39	51:58	8:22	25:19	8:09	#19405
15K	9.32 mi	12:40:05	1:17:24	8:19	25:26	8:12	#19048
20K	12.43 mi	13:05:30	1:42:49	8:17	25:25	8:11	#18586
HALF	13.11 mi	13:11:02	1:48:21	8:16	5:32	8:08	#18562
25K	15.53 mi	13:30:28	2:07:47	8:14	19:26	8:01	#18097
30K	18.64 mi	13:55:43	2:33:02	8:13	25:15	8:08	#17441
20M	20.00 mi	14:06:41	2:44:00	8:13	10:58	8:05	#17141
21M	21.00 mi	14:14:39	2:51:58	8:12	7:58	7:58	#16731
35K	21.75 mi	14:20:05	2:57:24	8:10	5:26	7:16	#16442
23M	23.00 mi	14:29:54	3:07:13	8:09	9:49	7:51	#16122
24M	24.00 mi	14:37:42	3:15:01	8:08	7:48	7:48	#15963
40K	24.85 mi	14:44:13	3:21:32	8:07	6:31	7:38	#15728
25.2M	25.20 mi	14:46:52	3:24:11	8:07	2:39	7:42	#15596
FINISH	26.22 mi	14:53:58	3:31:17	8:04	7:06	6:59	#15305

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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	3.11 mi	20504	7913	7913	18264(Top 63%)	6615(Top 53%)	6615(Top 116%)
10K	6.21 mi	3.10 mi	19405+1099	7290+623	7290+623	18274(Top 63%)	6618(Top 53%)	6618(Top 116%)
15K	9.32 mi	3.11 mi	19048+357	7082+208	7082+208	18264(Top 63%)	6615(Top 53%)	6615(Top 116%)
20K	12.43 mi	3.11 mi	18586+462	6819+263	6819+263	17371(Top 60%)	6134(Top 49%)	6134(Top 107%)
HALF	13.11 mi	0.68 mi	18562+24	6807+12	6807+12	17899(Top 62%)	6389(Top 51%)	6389(Top 112%)
25K	15.53 mi	2.42 mi	18097+465	6548+259	6548+259	15535(Top 54%)	5158(Top 41%)	5158(Top 90%)
30K	18.64 mi	3.11 mi	17441+656	6207+341	6207+341	14426(Top 50%)	4647(Top 37%)	4647(Top 81%)
20M	20.00 mi	1.36 mi	17141+300	6054+153	6054+153	13359(Top 46%)	4155(Top 33%)	4155(Top 73%)
21M	21.00 mi	1.00 mi	16731+410	5850+204	5850+204	9728(Top 34%)	2384(Top 19%)	2384(Top 42%)
35K	21.75 mi	0.75 mi	16442+289	5695+155	5695+155	9108(Top 31%)	2093(Top 17%)	2093(Top 37%)
23M	23.00 mi	1.25 mi	16122+320	5552+143	5552+143	11384(Top 39%)	3306(Top 26%)	3306(Top 58%)
24M	24.00 mi	1.00 mi	15963+159	5482+70	5482+70	12367(Top 43%)	3924(Top 31%)	3924(Top 69%)
40K	24.85 mi	0.85 mi	15728+235	5357+125	5357+125	9828(Top 34%)	2691(Top 21%)	2691(Top 47%)
25.2M	25.20 mi	0.35 mi	15596+132	5298+59	5298+59	6470(Top 22%)	1258(Top 10%)	1258(Top 22%)
FINISH	26.22 mi	1.02 mi	15305+291	5130+168	5130+168	7375(Top 25%)	1655(Top 13%)	1655(Top 29%)

1655

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

5330*

Passed By

131

Net Change

+5199

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#20504
5K → 10K	1125*	26	+1099	#20504	#19405
10K → 15K	413*	56	+357	#19405	#19048
15K → 20K	477*	15	+462	#19048	#18586
20K → HALF	37	13	+24	#18586	#18562
HALF → 25K	469*	4	+465	#18562	#18097
25K → 30K	658*	2	+656	#18097	#17441
30K → 20M	301*	1	+300	#17441	#17141
20M → 21M	412*	2	+410	#17141	#16731
21M → 35K	289*	0	+289	#16731	#16442
35K → 23M	325*	5	+320	#16442	#16122
23M → 24M	164	5	+159	#16122	#15963
24M → 40K	236*	1	+235	#15963	#15728
40K → 25.2M	132	0	+132	#15728	#15596
25.2M → FINISH	292*	1	+291	#15596	#15305
TOTALS	5330*	131	+5199

* 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

🎨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

Catherine Callahan

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