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BOSTON MARATHON 2026

Justyna Bereza

Bib: 22045•F

NJ

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 39%
Age Group (F45-49)
#0 / 1786
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
5K
26:04
3.11 mi
Rank: #19455
Start → 5K
26:04 | 8:24/mi
10K
51:10
6.21 mi
Rank: #18608 (+847)
5K → 10K
25:06 | 8:05/mi
15K
1:16:05
9.32 mi
Rank: #18166 (+442)
10K → 15K
24:55 | 8:02/mi
20K
1:41:25
12.43 mi
Rank: #17917 (+249)
15K → 20K
25:20 | 8:10/mi
HALF
1:46:58
13.11 mi
Rank: #17917
20K → HALF
5:33 | 8:09/mi
25K
2:07:01
15.53 mi
Rank: #17802 (+115)
HALF → 25K
20:03 | 8:17/mi
30K
2:34:05
18.64 mi
Rank: #17812 (-10)
25K → 30K
27:04 | 8:43/mi
20M
2:45:58
20.00 mi
Rank: #17787 (+25)
30K → 20M
11:53 | 8:45/mi
21M
2:55:01
21.00 mi
Rank: #17692 (+95)
20M → 21M
9:03 | 9:03/mi
35K
3:01:29
21.75 mi
Rank: #17692
21M → 35K
6:28 | 8:39/mi
23M
3:12:22
23.00 mi
Rank: #17632 (+60)
35K → 23M
10:53 | 8:42/mi
24M
3:21:00
24.00 mi
Rank: #17600 (+32)
23M → 24M
8:38 | 8:38/mi
40K
3:28:40
24.85 mi
Rank: #17614 (-14)
24M → 40K
7:40 | 8:59/mi
25.2M
3:31:57
25.20 mi
Rank: #17581 (+33)
40K → 25.2M
3:17 | 9:32/mi
FINISH
3:40:10
26.22 mi
Rank: #17509 (+72)
25.2M → FINISH
8:13 | 8:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:58
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:53:12
Pace8:39 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:5126:048:2426:04
8:24
-
10K
6.21 mi11:52:5751:108:1525:06
8:05
-0:19
15K
9.32 mi12:17:521:16:058:1024:55
8:02
-0:03
20K
12.43 mi12:43:121:41:258:1025:20
8:10
+0:08
HALF
13.11 mi12:48:451:46:588:105:33
8:09
-0:01
25K
15.53 mi13:08:482:07:018:1120:03
8:17
+0:08
30K
18.64 mi13:35:522:34:058:1627:04
8:43
+0:26
20M
20.00 mi13:47:452:45:588:1811:53
8:45
+0:02
21M
21.00 mi13:56:482:55:018:219:03
9:03
+0:18
35K
21.75 mi14:03:163:01:298:216:28
8:39
-0:24
23M
23.00 mi14:14:093:12:228:2210:53
8:42
+0:03
24M
24.00 mi14:22:473:21:008:238:38
8:38
-0:04
40K
24.85 mi14:30:273:28:408:247:40
8:59
+0:21
25.2M
25.20 mi14:33:443:31:578:253:17
9:32
+0:33
FINISH
26.22 mi14:41:573:40:108:258:13
8:04
-1:28

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

8:02 /mi

Average Pace

8:24 /mi

Slowest Pace

9:32 /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

3:20:10

91% of race

Time at Steady Pace

16:43

8% of race

Time at Slower Pace

3:17

1% of race

Average Pace: 8:24 /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 mi11:27:5126:048:2426:04
8:24
#19455
10K
6.21 mi11:52:5751:108:1525:06
8:05
#18608
15K
9.32 mi12:17:521:16:058:1024:55
8:02
#18166
20K
12.43 mi12:43:121:41:258:1025:20
8:10
#17917
HALF
13.11 mi12:48:451:46:588:105:33
8:09
#17917
25K
15.53 mi13:08:482:07:018:1120:03
8:17
#17802
30K
18.64 mi13:35:522:34:058:1627:04
8:43
#17812
20M
20.00 mi13:47:452:45:588:1811:53
8:45
#17787
21M
21.00 mi13:56:482:55:018:219:03
9:03
#17692
35K
21.75 mi14:03:163:01:298:216:28
8:39
#17692
23M
23.00 mi14:14:093:12:228:2210:53
8:42
#17632
24M
24.00 mi14:22:473:21:008:238:38
8:38
#17600
40K
24.85 mi14:30:273:28:408:247:40
8:59
#17614
25.2M
25.20 mi14:33:443:31:578:253:17
9:32
#17581
FINISH
26.22 mi14:41:573:40:108:258:13
8:04
#17509
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi194557338733817179(Top 59%)6013(Top 48%)6013(Top 337%)
10K6.21 mi3.10 mi18608+8476832+5066832+50617831(Top 61%)6398(Top 51%)6398(Top 358%)
15K9.32 mi3.11 mi18166+4426582+2506582+25017179(Top 59%)6013(Top 48%)6013(Top 337%)
20K12.43 mi3.11 mi17917+2496451+1316451+13117220(Top 59%)6052(Top 48%)6052(Top 339%)
HALF13.11 mi0.68 mi179176443+86443+818096(Top 62%)6524(Top 52%)6524(Top 365%)
25K15.53 mi2.42 mi17802+1156384+596384+5917269(Top 60%)6146(Top 49%)6146(Top 344%)
30K18.64 mi3.11 mi17812-106422-386422-3818088(Top 62%)6721(Top 53%)6721(Top 376%)
20M20.00 mi1.36 mi17787+256427-56427-517685(Top 61%)6575(Top 52%)6575(Top 368%)
21M21.00 mi1.00 mi17692+956392+356392+3516402(Top 57%)5919(Top 47%)5919(Top 331%)
35K21.75 mi0.75 mi176926408-166408-1618362(Top 63%)7073(Top 56%)7073(Top 396%)
23M23.00 mi1.25 mi17632+606405+36405+316896(Top 58%)6372(Top 51%)6372(Top 357%)
24M24.00 mi1.00 mi17600+326403+26403+217675(Top 61%)6825(Top 54%)6825(Top 382%)
40K24.85 mi0.85 mi17614-146424-216424-2118247(Top 63%)7167(Top 57%)7167(Top 401%)
25.2M25.20 mi0.35 mi17581+336416+86416+817465(Top 60%)6753(Top 54%)6753(Top 378%)
FINISH26.22 mi1.02 mi17509+726399+176399+1715605(Top 54%)5740(Top 46%)5740(Top 321%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17179

Females

6013

F45-49

6013

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17831

Females

6398

F45-49

6398

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17179

Females

6013

F45-49

6013

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17220

Females

6052

F45-49

6052

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

18096

Females

6524

F45-49

6524

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17269

Females

6146

F45-49

6146

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18088

Females

6721

F45-49

6721

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17685

Females

6575

F45-49

6575

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16402

Females

5919

F45-49

5919

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18362

Females

7073

F45-49

7073

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16896

Females

6372

F45-49

6372

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17675

Females

6825

F45-49

6825

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18247

Females

7167

F45-49

7167

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17465

Females

6753

F45-49

6753

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15605

Females

5740

F45-49

5740

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2808
Passed By
862
Net Change
+1946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19455
5K → 10K90053+847#19455#18608
10K → 15K48543+442#18608#18166
15K → 20K29647+249#18166#17917
20K → HALF36360#17917#17917
HALF → 25K18065+115#17917#17802
25K → 30K192202-10#17802#17812
30K → 20M10176+25#17812#17787
20M → 21M13338+95#17787#17692
21M → 35K63630#17692#17692
35K → 23M11858+60#17692#17632
23M → 24M8250+32#17632#17600
24M → 40K6781-14#17600#17614
40K → 25.2M4916+33#17614#17581
25.2M → FINISH10634+72#17581#17509
TOTALS2808862+1946
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing