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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Meagan Perlstein

Bib: 21804 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
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
26:16
3.11 mi
Rank: #19820
Start → 5K
26:16 | 8:28/mi
10K
52:26
6.21 mi
Rank: #19825 (-5)
5K → 10K
26:10 | 8:26/mi
15K
1:19:45
9.32 mi
Rank: #20469 (-644)
10K → 15K
27:19 | 8:48/mi
20K
1:48:04
12.43 mi
Rank: #21025 (-556)
15K → 20K
28:19 | 9:07/mi
HALF
1:53:53
13.11 mi
Rank: #20994 (+31)
20K → HALF
5:49 | 8:32/mi
25K
2:15:18
15.53 mi
Rank: #20874 (+120)
HALF → 25K
21:25 | 8:50/mi
30K
2:44:18
18.64 mi
Rank: #20908 (-34)
25K → 30K
29:00 | 9:21/mi
20M
2:56:48
20.00 mi
Rank: #20830 (+78)
30K → 20M
12:30 | 9:13/mi
21M
3:06:02
21.00 mi
Rank: #20623 (+207)
20M → 21M
9:14 | 9:14/mi
35K
3:12:50
21.75 mi
Rank: #20610 (+13)
21M → 35K
6:48 | 9:06/mi
23M
3:28:39
23.00 mi
Rank: #21408 (-798)
35K → 23M
15:49 | 12:39/mi
24M
3:37:38
24.00 mi
Rank: #21321 (+87)
23M → 24M
8:59 | 8:59/mi
40K
3:45:23
24.85 mi
Rank: #21234 (+87)
24M → 40K
7:45 | 9:04/mi
25.2M
3:48:49
25.20 mi
Rank: #21211 (+23)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:58:04
26.22 mi
Rank: #21206 (+5)
25.2M → FINISH
9:15 | 9:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:53
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:04:11
Pace9:29 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:3326:168:2826:16
8:28
-
10K
6.21 mi11:58:4352:268:2726:10
8:26
-0:02
15K
9.32 mi12:26:021:19:458:3427:19
8:48
+0:22
20K
12.43 mi12:54:211:48:048:4228:19
9:07
+0:19
HALF
13.11 mi13:00:101:53:538:425:49
8:32
-0:35
25K
15.53 mi13:21:352:15:188:4321:25
8:50
+0:18
30K
18.64 mi13:50:352:44:188:4929:00
9:21
+0:31
20M
20.00 mi14:03:052:56:488:5112:30
9:13
-0:08
21M
21.00 mi14:12:193:06:028:529:14
9:14
+0:01
35K
21.75 mi14:19:073:12:508:536:48
9:06
-0:08
23M
23.00 mi14:34:563:28:399:0515:49
12:39
+3:33
24M
24.00 mi14:43:553:37:389:058:59
8:59
-3:40
40K
24.85 mi14:51:403:45:239:057:45
9:04
+0:05
25.2M
25.20 mi14:55:063:48:499:053:26
9:58
+0:54
FINISH
26.22 mi15:04:213:58:049:069:15
9:05
-0:53

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

8:26 /mi

Average Pace

9:05 /mi

Slowest Pace

12:39 /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

58:15

24% of race

Time at Steady Pace

2:40:34

67% of race

Time at Slower Pace

19:15

8% of race

Average Pace: 9:05 /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 mi11:32:3326:168:2826:16
8:28
#19820
10K
6.21 mi11:58:4352:268:2726:10
8:26
#19825
15K
9.32 mi12:26:021:19:458:3427:19
8:48
#20469
20K
12.43 mi12:54:211:48:048:4228:19
9:07
#21025
HALF
13.11 mi13:00:101:53:538:425:49
8:32
#20994
25K
15.53 mi13:21:352:15:188:4321:25
8:50
#20874
30K
18.64 mi13:50:352:44:188:4929:00
9:21
#20908
20M
20.00 mi14:03:052:56:488:5112:30
9:13
#20830
21M
21.00 mi14:12:193:06:028:529:14
9:14
#20623
35K
21.75 mi14:19:073:12:508:536:48
9:06
#20610
23M
23.00 mi14:34:563:28:399:0515:49
12:39
#21408
24M
24.00 mi14:43:553:37:389:058:59
8:59
#21321
40K
24.85 mi14:51:403:45:239:057:45
9:04
#21234
25.2M
25.20 mi14:55:063:48:499:053:26
9:58
#21211
FINISH
26.22 mi15:04:213:58:049:069:15
9:05
#21206
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 mi198207537753721708(Top 75%)8478(Top 67%)8478(Top 475%)
10K6.21 mi3.10 mi19825-57520+177520+1719930(Top 69%)7558(Top 60%)7558(Top 423%)
15K9.32 mi3.11 mi20469-6447851-3317851-33121708(Top 75%)8478(Top 67%)8478(Top 475%)
20K12.43 mi3.11 mi21025-5568163-3128163-31222419(Top 77%)8873(Top 71%)8873(Top 497%)
HALF13.11 mi0.68 mi20994+318144+198144+1920520(Top 71%)7882(Top 63%)7882(Top 441%)
25K15.53 mi2.42 mi20874+1208095+498095+4920392(Top 70%)7866(Top 63%)7866(Top 440%)
30K18.64 mi3.11 mi20908-348132-378132-3721083(Top 73%)8306(Top 66%)8306(Top 465%)
20M20.00 mi1.36 mi20830+788105+278105+2719891(Top 69%)7765(Top 62%)7765(Top 435%)
21M21.00 mi1.00 mi20623+2077997+1087997+10817365(Top 60%)6466(Top 51%)6466(Top 362%)
35K21.75 mi0.75 mi20610+138006-98006-920400(Top 70%)8142(Top 65%)8142(Top 456%)
23M23.00 mi1.25 mi21408-7988419-4138419-41326961(Top 93%)11572(Top 92%)11572(Top 648%)
24M24.00 mi1.00 mi21321+878390+298390+2919419(Top 67%)7741(Top 62%)7741(Top 433%)
40K24.85 mi0.85 mi21234+878362+288362+2818738(Top 65%)7452(Top 59%)7452(Top 417%)
25.2M25.20 mi0.35 mi21211+238355+78355+719314(Top 67%)7737(Top 62%)7737(Top 433%)
FINISH26.22 mi1.02 mi21206+58353+28353+220852(Top 72%)8504(Top 68%)8504(Top 476%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21708

Females

8478

F45-49

8478

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

19930

Females

7558

F45-49

7558

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21708

Females

8478

F45-49

8478

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22419

Females

8873

F45-49

8873

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20520

Females

7882

F45-49

7882

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20392

Females

7866

F45-49

7866

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21083

Females

8306

F45-49

8306

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

19891

Females

7765

F45-49

7765

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17365

Females

6466

F45-49

6466

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20400

Females

8142

F45-49

8142

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

26961

Females

11572

F45-49

11572

23M→24M

23.0 - 24.0 mi

Top 67%
×6
+12ft-82ft

Overall

19419

Females

7741

F45-49

7741

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18738

Females

7452

F45-49

7452

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19314

Females

7737

F45-49

7737

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20852

Females

8504

F45-49

8504

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1340*
Passed By
1219
Net Change
-1386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19820
5K → 10K200200-5#19820#19825
10K → 15K44200-644#19825#20469
15K → 20K54200-556#20469#21025
20K → HALF4817+31#21025#20994
HALF → 25K17959+120#20994#20874
25K → 30K147181-34#20874#20908
30K → 20M11638+78#20908#20830
20M → 21M211*4+207#20830#20623
21M → 35K4431+13#20623#20610
35K → 23M6200-798#20610#21408
23M → 24M9811+87#21408#21321
24M → 40K9912+87#21321#21234
40K → 25.2M4017+23#21234#21211
25.2M → FINISH5449+5#21211#21206
TOTALS1340*1219-1386

* 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

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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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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