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BOSTON MARATHON 2026

Magdalena Replinska

Bib: 20841•F

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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 48%
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
24:17
3.11 mi
Rank: #15579
Start → 5K
24:17 | 7:49/mi
10K
48:57
6.21 mi
Rank: #16128 (-549)
5K → 10K
24:40 | 7:57/mi
15K
1:14:31
9.32 mi
Rank: #17017 (-889)
10K → 15K
25:34 | 8:14/mi
20K
1:42:16
12.43 mi
Rank: #18340 (-1323)
15K → 20K
27:45 | 8:56/mi
HALF
1:48:01
13.11 mi
Rank: #18413 (-73)
20K → HALF
5:45 | 8:27/mi
25K
2:10:02
15.53 mi
Rank: #18979 (-566)
HALF → 25K
22:01 | 9:05/mi
30K
2:39:16
18.64 mi
Rank: #19480 (-501)
25K → 30K
29:14 | 9:25/mi
20M
2:51:33
20.00 mi
Rank: #19439 (+41)
30K → 20M
12:17 | 9:03/mi
21M
3:01:26
21.00 mi
Rank: #19478 (-39)
20M → 21M
9:53 | 9:53/mi
35K
3:07:54
21.75 mi
Rank: #19444 (+34)
21M → 35K
6:28 | 8:39/mi
23M
3:18:27
23.00 mi
Rank: #19211 (+233)
35K → 23M
10:33 | 8:26/mi
24M
3:26:51
24.00 mi
Rank: #19063 (+148)
23M → 24M
8:24 | 8:24/mi
40K
3:34:15
24.85 mi
Rank: #18957 (+106)
24M → 40K
7:24 | 8:40/mi
25.2M
3:37:37
25.20 mi
Rank: #18949 (+8)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:46:05
26.22 mi
Rank: #18872 (+77)
25.2M → FINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:01
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:58:04
Pace9:01 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:5924:177:4924:17
7:49
-
10K
6.21 mi11:31:3948:577:5324:40
7:57
+0:08
15K
9.32 mi11:57:131:14:318:0025:34
8:14
+0:17
20K
12.43 mi12:24:581:42:168:1427:45
8:56
+0:42
HALF
13.11 mi12:30:431:48:018:155:45
8:27
-0:29
25K
15.53 mi12:52:442:10:028:2322:01
9:05
+0:38
30K
18.64 mi13:21:582:39:168:3329:14
9:25
+0:20
20M
20.00 mi13:34:152:51:338:3512:17
9:03
-0:22
21M
21.00 mi13:44:083:01:268:399:53
9:53
+0:50
35K
21.75 mi13:50:363:07:548:396:28
8:39
-1:14
23M
23.00 mi14:01:093:18:278:3810:33
8:26
-0:13
24M
24.00 mi14:09:333:26:518:388:24
8:24
-0:02
40K
24.85 mi14:16:573:34:158:387:24
8:40
+0:16
25.2M
25.20 mi14:20:193:37:378:393:22
9:46
+1:06
FINISH
26.22 mi14:28:473:46:058:388:28
8:19
-1:27

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

7:49 /mi

Average Pace

8:38 /mi

Slowest Pace

9:53 /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

1:22:59

37% of race

Time at Steady Pace

1:06:19

29% of race

Time at Slower Pace

1:16:47

34% of race

Average Pace: 8:37 /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 mi11:06:5924:177:4924:17
7:49
#15579
10K
6.21 mi11:31:3948:577:5324:40
7:57
#16128
15K
9.32 mi11:57:131:14:318:0025:34
8:14
#17017
20K
12.43 mi12:24:581:42:168:1427:45
8:56
#18340
HALF
13.11 mi12:30:431:48:018:155:45
8:27
#18413
25K
15.53 mi12:52:442:10:028:2322:01
9:05
#18979
30K
18.64 mi13:21:582:39:168:3329:14
9:25
#19480
20M
20.00 mi13:34:152:51:338:3512:17
9:03
#19439
21M
21.00 mi13:44:083:01:268:399:53
9:53
#19478
35K
21.75 mi13:50:363:07:548:396:28
8:39
#19444
23M
23.00 mi14:01:093:18:278:3810:33
8:26
#19211
24M
24.00 mi14:09:333:26:518:388:24
8:24
#19063
40K
24.85 mi14:16:573:34:158:387:24
8:40
#18957
25.2M
25.20 mi14:20:193:37:378:393:22
9:46
#18949
FINISH
26.22 mi14:28:473:46:058:388:28
8:19
#18872
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 mi155795052505218553(Top 64%)6790(Top 54%)6790(Top 380%)
10K6.21 mi3.10 mi16128-5495422-3705422-37016797(Top 58%)5800(Top 46%)5800(Top 325%)
15K9.32 mi3.11 mi17017-8895941-5195941-51918553(Top 64%)6790(Top 54%)6790(Top 380%)
20K12.43 mi3.11 mi18340-13236673-7326673-73221622(Top 75%)8467(Top 67%)8467(Top 474%)
HALF13.11 mi0.68 mi18413-736718-456718-4519896(Top 69%)7523(Top 60%)7523(Top 421%)
25K15.53 mi2.42 mi18979-5667063-3457063-34521528(Top 74%)8432(Top 67%)8432(Top 472%)
30K18.64 mi3.11 mi19480-5017376-3137376-31321333(Top 74%)8433(Top 67%)8433(Top 472%)
20M20.00 mi1.36 mi19439+417368+87368+819148(Top 66%)7350(Top 58%)7350(Top 412%)
21M21.00 mi1.00 mi19478-397406-387406-3820051(Top 69%)7890(Top 63%)7890(Top 442%)
35K21.75 mi0.75 mi19444+347393+137393+1318383(Top 63%)7094(Top 56%)7094(Top 397%)
23M23.00 mi1.25 mi19211+2337291+1027291+10215300(Top 53%)5435(Top 43%)5435(Top 304%)
24M24.00 mi1.00 mi19063+1487228+637228+6316360(Top 56%)6110(Top 49%)6110(Top 342%)
40K24.85 mi0.85 mi18957+1067182+467182+4616644(Top 57%)6333(Top 50%)6333(Top 355%)
25.2M25.20 mi0.35 mi18949+87188-67188-618524(Top 64%)7321(Top 58%)7321(Top 410%)
FINISH26.22 mi1.02 mi18872+777156+327156+3217128(Top 59%)6592(Top 52%)6592(Top 369%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18553

Females

6790

F45-49

6790

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16797

Females

5800

F45-49

5800

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18553

Females

6790

F45-49

6790

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21622

Females

8467

F45-49

8467

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19896

Females

7523

F45-49

7523

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21528

Females

8432

F45-49

8432

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21333

Females

8433

F45-49

8433

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19148

Females

7350

F45-49

7350

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20051

Females

7890

F45-49

7890

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18383

Females

7094

F45-49

7094

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15300

Females

5435

F45-49

5435

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16360

Females

6110

F45-49

6110

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16644

Females

6333

F45-49

6333

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18524

Females

7321

F45-49

7321

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17128

Females

6592

F45-49

6592

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1200
Passed By
4493
Net Change
-3293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15579
5K → 10K111660-549#15579#16128
10K → 15K31920-889#16128#17017
15K → 20K181341-1323#17017#18340
20K → HALF1386-73#18340#18413
HALF → 25K38604-566#18413#18979
25K → 30K79580-501#18979#19480
30K → 20M10766+41#19480#19439
20M → 21M75114-39#19439#19478
21M → 35K6733+34#19478#19444
35K → 23M2429+233#19444#19211
23M → 24M15911+148#19211#19063
24M → 40K12115+106#19063#18957
40K → 25.2M3527+8#18957#18949
25.2M → FINISH10427+77#18949#18872
TOTALS12004493-3293
📊

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