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BOSTON MARATHON 2026

Marcia Carpenter

Bib: 20341•F

MI

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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 46%
Age Group (F40-44)
#0 / 1737
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
25:26
3.11 mi
Rank: #18152
Start → 5K
25:26 | 8:12/mi
10K
50:41
6.21 mi
Rank: #18151 (+1)
5K → 10K
25:15 | 8:08/mi
15K
1:16:06
9.32 mi
Rank: #18176 (-25)
10K → 15K
25:25 | 8:11/mi
20K
1:41:34
12.43 mi
Rank: #17997 (+179)
15K → 20K
25:28 | 8:12/mi
HALF
1:47:05
13.11 mi
Rank: #17982 (+15)
20K → HALF
5:31 | 8:06/mi
25K
2:06:54
15.53 mi
Rank: #17734 (+248)
HALF → 25K
19:49 | 8:11/mi
30K
2:34:17
18.64 mi
Rank: #17876 (-142)
25K → 30K
27:23 | 8:49/mi
20M
2:46:06
20.00 mi
Rank: #17813 (+63)
30K → 20M
11:49 | 8:42/mi
21M
2:55:16
21.00 mi
Rank: #17759 (+54)
20M → 21M
9:10 | 9:10/mi
35K
3:02:02
21.75 mi
Rank: #17850 (-91)
21M → 35K
6:46 | 9:03/mi
23M
3:13:42
23.00 mi
Rank: #17980 (-130)
35K → 23M
11:40 | 9:20/mi
24M
3:23:19
24.00 mi
Rank: #18213 (-233)
23M → 24M
9:37 | 9:37/mi
40K
3:32:06
24.85 mi
Rank: #18476 (-263)
24M → 40K
8:47 | 10:17/mi
25.2M
3:36:02
25.20 mi
Rank: #18599 (-123)
40K → 25.2M
3:56 | 11:25/mi
FINISH
3:44:37
26.22 mi
Rank: #18549 (+50)
25.2M → FINISH
8:35 | 8:26/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:05
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:57:32
Pace8:58 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:0125:268:1225:26
8:12
-
10K
6.21 mi11:37:1650:418:1025:15
8:08
-0:04
15K
9.32 mi12:02:411:16:068:1025:25
8:11
+0:03
20K
12.43 mi12:28:091:41:348:1125:28
8:12
+0:01
HALF
13.11 mi12:33:401:47:058:115:31
8:06
-0:06
25K
15.53 mi12:53:292:06:548:1119:49
8:11
+0:05
30K
18.64 mi13:20:522:34:178:1727:23
8:49
+0:38
20M
20.00 mi13:32:412:46:068:1911:49
8:42
-0:07
21M
21.00 mi13:41:512:55:168:219:10
9:10
+0:28
35K
21.75 mi13:48:373:02:028:236:46
9:03
-0:07
23M
23.00 mi14:00:173:13:428:2611:40
9:20
+0:17
24M
24.00 mi14:09:543:23:198:299:37
9:37
+0:17
40K
24.85 mi14:18:413:32:068:338:47
10:17
+0:40
25.2M
25.20 mi14:22:373:36:028:353:56
11:25
+1:08
FINISH
26.22 mi14:31:123:44:378:358:35
8:26
-2:59

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

8:06 /mi

Average Pace

8:34 /mi

Slowest Pace

11:25 /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

2:06:54

56% of race

Time at Steady Pace

54:33

24% of race

Time at Slower Pace

43:10

19% of race

Average Pace: 8:34 /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 mi11:12:0125:268:1225:26
8:12
#18152
10K
6.21 mi11:37:1650:418:1025:15
8:08
#18151
15K
9.32 mi12:02:411:16:068:1025:25
8:11
#18176
20K
12.43 mi12:28:091:41:348:1125:28
8:12
#17997
HALF
13.11 mi12:33:401:47:058:115:31
8:06
#17982
25K
15.53 mi12:53:292:06:548:1119:49
8:11
#17734
30K
18.64 mi13:20:522:34:178:1727:23
8:49
#17876
20M
20.00 mi13:32:412:46:068:1911:49
8:42
#17813
21M
21.00 mi13:41:512:55:168:219:10
9:10
#17759
35K
21.75 mi13:48:373:02:028:236:46
9:03
#17850
23M
23.00 mi14:00:173:13:428:2611:40
9:20
#17980
24M
24.00 mi14:09:543:23:198:299:37
9:37
#18213
40K
24.85 mi14:18:413:32:068:338:47
10:17
#18476
25.2M
25.20 mi14:22:373:36:028:353:56
11:25
#18599
FINISH
26.22 mi14:31:123:44:378:358:35
8:26
#18549
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi181526592659218248(Top 63%)6610(Top 53%)6610(Top 381%)
10K6.21 mi3.10 mi18151+16583+96583+918164(Top 63%)6568(Top 52%)6568(Top 378%)
15K9.32 mi3.11 mi18176-256587-46587-418248(Top 63%)6610(Top 53%)6610(Top 381%)
20K12.43 mi3.11 mi17997+1796491+966491+9617486(Top 60%)6215(Top 49%)6215(Top 358%)
HALF13.11 mi0.68 mi17982+156480+116480+1117798(Top 61%)6375(Top 51%)6375(Top 367%)
25K15.53 mi2.42 mi17734+2486348+1326348+13216653(Top 57%)5800(Top 46%)5800(Top 334%)
30K18.64 mi3.11 mi17876-1426462-1146462-11418648(Top 64%)7026(Top 56%)7026(Top 404%)
20M20.00 mi1.36 mi17813+636444+186444+1817415(Top 60%)6422(Top 51%)6422(Top 370%)
21M21.00 mi1.00 mi17759+546435+96435+917031(Top 59%)6277(Top 50%)6277(Top 361%)
35K21.75 mi0.75 mi17850-916500-656500-6520214(Top 70%)8043(Top 64%)8043(Top 463%)
23M23.00 mi1.25 mi17980-1306611-1116611-11119919(Top 69%)7940(Top 63%)7940(Top 457%)
24M24.00 mi1.00 mi18213-2336752-1416752-14121719(Top 75%)8899(Top 71%)8899(Top 512%)
40K24.85 mi0.85 mi18476-2636911-1596911-15922651(Top 78%)9427(Top 75%)9427(Top 543%)
25.2M25.20 mi0.35 mi18599-1236985-746985-7423310(Top 80%)9771(Top 78%)9771(Top 563%)
FINISH26.22 mi1.02 mi18549+506969+166969+1617767(Top 61%)6924(Top 55%)6924(Top 399%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18248

Females

6610

F40-44

6610

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18164

Females

6568

F40-44

6568

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18248

Females

6610

F40-44

6610

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17486

Females

6215

F40-44

6215

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17798

Females

6375

F40-44

6375

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16653

Females

5800

F40-44

5800

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18648

Females

7026

F40-44

7026

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17415

Females

6422

F40-44

6422

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17031

Females

6277

F40-44

6277

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20214

Females

8043

F40-44

8043

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

19919

Females

7940

F40-44

7940

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21719

Females

8899

F40-44

8899

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22651

Females

9427

F40-44

9427

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23310

Females

9771

F40-44

9771

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17767

Females

6924

F40-44

6924

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1646
Passed By
2043
Net Change
-397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18152
5K → 10K290289+1#18152#18151
10K → 15K181206-25#18151#18176
15K → 20K25374+179#18176#17997
20K → HALF4530+15#17997#17982
HALF → 25K26820+248#17982#17734
25K → 30K151293-142#17734#17876
30K → 20M12158+63#17876#17813
20M → 21M11056+54#17813#17759
21M → 35K33124-91#17759#17850
35K → 23M61191-130#17850#17980
23M → 24M24257-233#17980#18213
24M → 40K9272-263#18213#18476
40K → 25.2M11134-123#18476#18599
25.2M → FINISH8939+50#18599#18549
TOTALS16462043-397
📊

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

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing