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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

Izabela Grimes-Zachorska

Bib: 22233 •F •Age: N/A

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Female)

#0 / 12578

Top 47%

Masters (Masters Women)

#0 / 6862

Top 34%

Age Group (F45-49)

#0 / 1786

Top 44%

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

23:05

3.11 mi

Rank: #12229

Start → 5K

23:05 | 7:26/mi

23:05

3.11 mi

Rank: #12229

Start → 5K

23:05 | 7:26/mi

10K

46:42

6.21 mi

Rank: #12984 (-755)

5K → 10K

23:37 | 7:37/mi

10K

46:42

6.21 mi

Rank: #12984 (-755)

5K → 10K

23:37 | 7:37/mi

15K

1:11:04

9.32 mi

Rank: #13880 (-896)

10K → 15K

24:22 | 7:51/mi

15K

1:11:04

9.32 mi

Rank: #13880 (-896)

10K → 15K

24:22 | 7:51/mi

20K

1:36:05

12.43 mi

Rank: #14582 (-702)

15K → 20K

25:01 | 8:04/mi

20K

1:36:05

12.43 mi

Rank: #14582 (-702)

15K → 20K

25:01 | 8:04/mi

HALF

1:41:31

13.11 mi

Rank: #14700 (-118)

20K → HALF

5:26 | 7:59/mi

HALF

1:41:31

13.11 mi

Rank: #14700 (-118)

20K → HALF

5:26 | 7:59/mi

25K

2:01:27

15.53 mi

Rank: #15083 (-383)

HALF → 25K

19:56 | 8:14/mi

25K

2:01:27

15.53 mi

Rank: #15083 (-383)

HALF → 25K

19:56 | 8:14/mi

30K

2:28:51

18.64 mi

Rank: #15870 (-787)

25K → 30K

27:24 | 8:50/mi

30K

2:28:51

18.64 mi

Rank: #15870 (-787)

25K → 30K

27:24 | 8:50/mi

20M

2:40:50

20.00 mi

Rank: #16071 (-201)

30K → 20M

11:59 | 8:50/mi

20M

2:40:50

20.00 mi

Rank: #16071 (-201)

30K → 20M

11:59 | 8:50/mi

21M

2:50:37

21.00 mi

Rank: #16274 (-203)

20M → 21M

9:47 | 9:47/mi

21M

2:50:37

21.00 mi

Rank: #16274 (-203)

20M → 21M

9:47 | 9:47/mi

35K

2:57:20

21.75 mi

Rank: #16428 (-154)

21M → 35K

6:43 | 8:59/mi

35K

2:57:20

21.75 mi

Rank: #16428 (-154)

21M → 35K

6:43 | 8:59/mi

23M

3:08:27

23.00 mi

Rank: #16500 (-72)

35K → 23M

11:07 | 8:53/mi

23M

3:08:27

23.00 mi

Rank: #16500 (-72)

35K → 23M

11:07 | 8:53/mi

24M

3:17:06

24.00 mi

Rank: #16543 (-43)

23M → 24M

8:39 | 8:39/mi

24M

3:17:06

24.00 mi

Rank: #16543 (-43)

23M → 24M

8:39 | 8:39/mi

40K

3:24:44

24.85 mi

Rank: #16613 (-70)

24M → 40K

7:38 | 8:56/mi

40K

3:24:44

24.85 mi

Rank: #16613 (-70)

24M → 40K

7:38 | 8:56/mi

25.2M

3:28:07

25.20 mi

Rank: #16641 (-28)

40K → 25.2M

3:23 | 9:49/mi

25.2M

3:28:07

25.20 mi

Rank: #16641 (-28)

40K → 25.2M

3:23 | 9:49/mi

FINISH

3:36:58

26.22 mi

Rank: #16736 (-95)

25.2M → FINISH

8:51 | 8:42/mi

FINISH

3:36:58

26.22 mi

Rank: #16736 (-95)

25.2M → FINISH

8:51 | 8:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:41:31

Pace7:45 /mi

2nd Half

Spacer

Distance13.11 mi

Time1:55:27

Pace8:49 /mi

📊Positive Split: 13.7% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:24:26	23:05	7:26	23:05	7:26	-
10K	6.21 mi	11:48:03	46:42	7:31	23:37	7:37	+0:11
15K	9.32 mi	12:12:25	1:11:04	7:38	24:22	7:51	+0:14
20K	12.43 mi	12:37:26	1:36:05	7:44	25:01	8:04	+0:13
HALF	13.11 mi	12:42:52	1:41:31	7:45	5:26	7:59	-0:05
25K	15.53 mi	13:02:48	2:01:27	7:50	19:56	8:14	+0:15
30K	18.64 mi	13:30:12	2:28:51	8:00	27:24	8:50	+0:36
20M	20.00 mi	13:42:11	2:40:50	8:03	11:59	8:50	0:00
21M	21.00 mi	13:51:58	2:50:37	8:08	9:47	9:47	+0:57
35K	21.75 mi	13:58:41	2:57:20	8:10	6:43	8:59	-0:48
23M	23.00 mi	14:09:48	3:08:27	8:12	11:07	8:53	-0:06
24M	24.00 mi	14:18:27	3:17:06	8:13	8:39	8:39	-0:14
40K	24.85 mi	14:26:05	3:24:44	8:15	7:38	8:56	+0:17
25.2M	25.20 mi	14:29:28	3:28:07	8:16	3:23	9:49	+0:53
FINISH	26.22 mi	14:38:19	3:36:58	8:17	8:51	8:42	-1:07

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

7:26 /mi

Average Pace

8:17 /mi

Slowest Pace

9:49 /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

2:01:27

56% of race

Time at Steady Pace

1:22:21

38% of race

Time at Slower Pace

13:10

6% of race

Average Pace: 8:16 /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	11:24:26	23:05	7:26	23:05	7:26	#12229
10K	6.21 mi	11:48:03	46:42	7:31	23:37	7:37	#12984
15K	9.32 mi	12:12:25	1:11:04	7:38	24:22	7:51	#13880
20K	12.43 mi	12:37:26	1:36:05	7:44	25:01	8:04	#14582
HALF	13.11 mi	12:42:52	1:41:31	7:45	5:26	7:59	#14700
25K	15.53 mi	13:02:48	2:01:27	7:50	19:56	8:14	#15083
30K	18.64 mi	13:30:12	2:28:51	8:00	27:24	8:50	#15870
20M	20.00 mi	13:42:11	2:40:50	8:03	11:59	8:50	#16071
21M	21.00 mi	13:51:58	2:50:37	8:08	9:47	9:47	#16274
35K	21.75 mi	13:58:41	2:57:20	8:10	6:43	8:59	#16428
23M	23.00 mi	14:09:48	3:08:27	8:12	11:07	8:53	#16500
24M	24.00 mi	14:18:27	3:17:06	8:13	8:39	8:39	#16543
40K	24.85 mi	14:26:05	3:24:44	8:15	7:38	8:56	#16613
25.2M	25.20 mi	14:29:28	3:28:07	8:16	3:23	9:49	#16641
FINISH	26.22 mi	14:38:19	3:36:58	8:17	8:51	8:42	#16736

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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	3.11 mi	12229	3053	3053	15730(Top 54%)	5184(Top 41%)	5184(Top 290%)
10K	6.21 mi	3.10 mi	12984-755	3512-459	3512-459	13905(Top 48%)	4061(Top 32%)	4061(Top 227%)
15K	9.32 mi	3.11 mi	13880-896	4045-533	4045-533	15730(Top 54%)	5184(Top 41%)	5184(Top 290%)
20K	12.43 mi	3.11 mi	14582-702	4474-429	4474-429	16523(Top 57%)	5664(Top 45%)	5664(Top 317%)
HALF	13.11 mi	0.68 mi	14700-118	4553-79	4553-79	16961(Top 58%)	5901(Top 47%)	5901(Top 330%)
25K	15.53 mi	2.42 mi	15083-383	4800-247	4800-247	16927(Top 58%)	5942(Top 47%)	5942(Top 333%)
30K	18.64 mi	3.11 mi	15870-787	5325-525	5325-525	18681(Top 64%)	7039(Top 56%)	7039(Top 394%)
20M	20.00 mi	1.36 mi	16071-201	5463-138	5463-138	18083(Top 62%)	6801(Top 54%)	6801(Top 381%)
21M	21.00 mi	1.00 mi	16274-203	5603-140	5603-140	19694(Top 68%)	7687(Top 61%)	7687(Top 430%)
35K	21.75 mi	0.75 mi	16428-154	5688-85	5688-85	19956(Top 69%)	7913(Top 63%)	7913(Top 443%)
23M	23.00 mi	1.25 mi	16500-72	5763-75	5763-75	17916(Top 62%)	6913(Top 55%)	6913(Top 387%)
24M	24.00 mi	1.00 mi	16543-43	5798-35	5798-35	17767(Top 61%)	6867(Top 55%)	6867(Top 384%)
40K	24.85 mi	0.85 mi	16613-70	5862-64	5862-64	18056(Top 62%)	7066(Top 56%)	7066(Top 396%)
25.2M	25.20 mi	0.35 mi	16641-28	5888-26	5888-26	18689(Top 64%)	7377(Top 59%)	7377(Top 413%)
FINISH	26.22 mi	1.02 mi	16736-95	5961-73	5961-73	19090(Top 66%)	7611(Top 61%)	7611(Top 426%)

7611

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

620

Passed By

2256

Net Change

-4507

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#12229
5K → 10K	59	200	-755	#12229	#12984
10K → 15K	37	200	-896	#12984	#13880
15K → 20K	44	200	-702	#13880	#14582
20K → HALF	6	124	-118	#14582	#14700
HALF → 25K	59	200	-383	#14700	#15083
25K → 30K	56	200	-787	#15083	#15870
30K → 20M	41	200	-201	#15870	#16071
20M → 21M	48	200	-203	#16071	#16274
21M → 35K	31	185	-154	#16274	#16428
35K → 23M	78	150	-72	#16428	#16500
23M → 24M	51	94	-43	#16500	#16543
24M → 40K	54	124	-70	#16543	#16613
40K → 25.2M	20	48	-28	#16613	#16641
25.2M → FINISH	36	131	-95	#16641	#16736
TOTALS	620	2256	-4507

📊

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

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Results processed 3 months ago

Public Race Data

Izabela Grimes-Zachorska

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

AI Performance Report

Understand What Really Happened During Your Race

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management