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BOSTON MARATHON 2026

Karen Dunstan

Bib: 21719•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
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
25:34
3.11 mi
Rank: #18415
Start → 5K
25:34 | 8:14/mi
10K
51:10
6.21 mi
Rank: #18615 (-200)
5K → 10K
25:36 | 8:15/mi
15K
1:17:10
9.32 mi
Rank: #18895 (-280)
10K → 15K
26:00 | 8:23/mi
20K
1:43:58
12.43 mi
Rank: #19174 (-279)
15K → 20K
26:48 | 8:38/mi
HALF
1:49:51
13.11 mi
Rank: #19271 (-97)
20K → HALF
5:53 | 8:38/mi
25K
2:11:24
15.53 mi
Rank: #19497 (-226)
HALF → 25K
21:33 | 8:54/mi
30K
2:41:05
18.64 mi
Rank: #19991 (-494)
25K → 30K
29:41 | 9:34/mi
20M
2:54:27
20.00 mi
Rank: #20232 (-241)
30K → 20M
13:22 | 9:51/mi
21M
3:05:27
21.00 mi
Rank: #20488 (-256)
20M → 21M
11:00 | 11:00/mi
35K
3:12:19
21.75 mi
Rank: #20501 (-13)
21M → 35K
6:52 | 9:11/mi
23M
3:24:47
23.00 mi
Rank: #20628 (-127)
35K → 23M
12:28 | 9:58/mi
24M
3:34:11
24.00 mi
Rank: #20654 (-26)
23M → 24M
9:24 | 9:24/mi
40K
3:42:42
24.85 mi
Rank: #20721 (-67)
24M → 40K
8:31 | 9:58/mi
25.2M
3:46:36
25.20 mi
Rank: #20793 (-72)
40K → 25.2M
3:54 | 11:19/mi
FINISH
3:56:11
26.22 mi
Rank: #20883 (-90)
25.2M → FINISH
9:35 | 9:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:51
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:06:20
Pace9:39 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4625:348:1425:34
8:14
-
10K
6.21 mi11:52:2251:108:1525:36
8:15
+0:01
15K
9.32 mi12:18:221:17:108:1726:00
8:23
+0:08
20K
12.43 mi12:45:101:43:588:2226:48
8:38
+0:15
HALF
13.11 mi12:51:031:49:518:235:53
8:38
0:00
25K
15.53 mi13:12:362:11:248:2821:33
8:54
+0:16
30K
18.64 mi13:42:172:41:058:3929:41
9:34
+0:40
20M
20.00 mi13:55:392:54:278:4413:22
9:51
+0:17
21M
21.00 mi14:06:393:05:278:5011:00
11:00
+1:09
35K
21.75 mi14:13:313:12:198:516:52
9:11
-1:49
23M
23.00 mi14:25:593:24:478:5512:28
9:58
+0:47
24M
24.00 mi14:35:233:34:118:569:24
9:24
-0:34
40K
24.85 mi14:43:543:42:428:588:31
9:58
+0:34
25.2M
25.20 mi14:47:483:46:369:003:54
11:19
+1:21
FINISH
26.22 mi14:57:233:56:119:019:35
9:25
-1:54

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

8:14 /mi

Average Pace

9:01 /mi

Slowest Pace

11:19 /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

2:11:24

56% of race

Time at Steady Pace

1:08:54

29% of race

Time at Slower Pace

35:53

15% of race

Average Pace: 9:00 /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 mi11:26:4625:348:1425:34
8:14
#18415
10K
6.21 mi11:52:2251:108:1525:36
8:15
#18615
15K
9.32 mi12:18:221:17:108:1726:00
8:23
#18895
20K
12.43 mi12:45:101:43:588:2226:48
8:38
#19174
HALF
13.11 mi12:51:031:49:518:235:53
8:38
#19271
25K
15.53 mi13:12:362:11:248:2821:33
8:54
#19497
30K
18.64 mi13:42:172:41:058:3929:41
9:34
#19991
20M
20.00 mi13:55:392:54:278:4413:22
9:51
#20232
21M
21.00 mi14:06:393:05:278:5011:00
11:00
#20488
35K
21.75 mi14:13:313:12:198:516:52
9:11
#20501
23M
23.00 mi14:25:593:24:478:5512:28
9:58
#20628
24M
24.00 mi14:35:233:34:118:569:24
9:24
#20654
40K
24.85 mi14:43:543:42:428:588:31
9:58
#20721
25.2M
25.20 mi14:47:483:46:369:003:54
11:19
#20793
FINISH
26.22 mi14:57:233:56:119:019:35
9:25
#20883
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 mi184156753675319406(Top 67%)7268(Top 58%)7268(Top 407%)
10K6.21 mi3.10 mi18615-2006839-866839-8618823(Top 65%)6931(Top 55%)6931(Top 388%)
15K9.32 mi3.11 mi18895-2806992-1536992-15319406(Top 67%)7268(Top 58%)7268(Top 407%)
20K12.43 mi3.11 mi19174-2797158-1667158-16620031(Top 69%)7649(Top 61%)7649(Top 428%)
HALF13.11 mi0.68 mi19271-977214-567214-5621034(Top 72%)8142(Top 65%)8142(Top 456%)
25K15.53 mi2.42 mi19497-2267348-1347348-13420657(Top 71%)7996(Top 64%)7996(Top 448%)
30K18.64 mi3.11 mi19991-4947647-2997647-29921815(Top 75%)8671(Top 69%)8671(Top 485%)
20M20.00 mi1.36 mi20232-2417795-1487795-14822143(Top 76%)8917(Top 71%)8917(Top 499%)
21M21.00 mi1.00 mi20488-2567935-1407935-14023108(Top 80%)9480(Top 75%)9480(Top 531%)
35K21.75 mi0.75 mi20501-137954-197954-1920739(Top 71%)8311(Top 66%)8311(Top 465%)
23M23.00 mi1.25 mi20628-1278029-758029-7522022(Top 76%)9002(Top 72%)9002(Top 504%)
24M24.00 mi1.00 mi20654-268054-258054-2521002(Top 72%)8540(Top 68%)8540(Top 478%)
40K24.85 mi0.85 mi20721-678097-438097-4321822(Top 75%)9015(Top 72%)9015(Top 505%)
25.2M25.20 mi0.35 mi20793-728136-398136-3923118(Top 80%)9665(Top 77%)9665(Top 541%)
FINISH26.22 mi1.02 mi20883-908189-538189-5322037(Top 76%)9084(Top 72%)9084(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19406

Females

7268

F45-49

7268

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18823

Females

6931

F45-49

6931

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19406

Females

7268

F45-49

7268

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20031

Females

7649

F45-49

7649

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

21034

Females

8142

F45-49

8142

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20657

Females

7996

F45-49

7996

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21815

Females

8671

F45-49

8671

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22143

Females

8917

F45-49

8917

20M→21M

20.0 - 21.0 mi

Top 80%
×8
+106ft-24ft

Overall

23108

Females

9480

F45-49

9480

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20739

Females

8311

F45-49

8311

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22022

Females

9002

F45-49

9002

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

21002

Females

8540

F45-49

8540

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21822

Females

9015

F45-49

9015

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23118

Females

9665

F45-49

9665

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22037

Females

9084

F45-49

9084

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
769
Passed By
2099
Net Change
-2468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18415
5K → 10K186200-200#18415#18615
10K → 15K78200-280#18615#18895
15K → 20K80200-279#18895#19174
20K → HALF6103-97#19174#19271
HALF → 25K68200-226#19271#19497
25K → 30K79200-494#19497#19991
30K → 20M44200-241#19991#20232
20M → 21M27200-256#20232#20488
21M → 35K4255-13#20488#20501
35K → 23M38165-127#20501#20628
23M → 24M4672-26#20628#20654
24M → 40K40107-67#20654#20721
40K → 25.2M981-72#20721#20793
25.2M → FINISH26116-90#20793#20883
TOTALS7692099-2468
📊

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