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BOSTON MARATHON 2026

Alison Morris Roslyn

Bib: 26741•F

NY

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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
37:15
3.11 mi
Rank: #28797
Start → 5K
37:15 | 12:00/mi
10K
1:16:48
6.21 mi
Rank: #28859 (-62)
5K → 10K
39:33 | 12:44/mi
15K
1:57:35
9.32 mi
Rank: #28895 (-36)
10K → 15K
40:47 | 13:08/mi
20K
2:38:33
12.43 mi
Rank: #28867 (+28)
15K → 20K
40:58 | 13:12/mi
HALF
2:47:24
13.11 mi
Rank: #28861 (+6)
20K → HALF
8:51 | 12:59/mi
25K
3:19:35
15.53 mi
Rank: #28815 (+46)
HALF → 25K
32:11 | 13:17/mi
30K
4:05:53
18.64 mi
Rank: #28831 (-16)
25K → 30K
46:18 | 14:55/mi
20M
4:26:01
20.00 mi
Rank: #28825 (+6)
30K → 20M
20:08 | 14:50/mi
21M
4:42:06
21.00 mi
Rank: #28821 (+4)
20M → 21M
16:05 | 16:05/mi
35K
4:52:22
21.75 mi
Rank: #28814 (+7)
21M → 35K
10:16 | 13:44/mi
23M
5:11:04
23.00 mi
Rank: #28831 (-17)
35K → 23M
18:42 | 14:57/mi
24M
5:26:11
24.00 mi
Rank: #28847 (-16)
23M → 24M
15:07 | 15:07/mi
40K
5:39:14
24.85 mi
Rank: #28854 (-7)
24M → 40K
13:03 | 15:16/mi
25.2M
5:45:06
25.20 mi
Rank: #28859 (-5)
40K → 25.2M
5:52 | 17:01/mi
FINISH
5:59:43
26.22 mi
Rank: #28872 (-13)
25.2M → FINISH
14:37 | 14:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:47:24
Pace12:47 /mi
2nd Half
Distance13.11 mi
Time3:12:19
Pace14:41 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3137:1512:0037:15
12:00
-
10K
6.21 mi12:38:041:16:4812:2239:33
12:44
+0:44
15K
9.32 mi13:18:511:57:3512:3740:47
13:08
+0:24
20K
12.43 mi13:59:492:38:3312:4640:58
13:12
+0:04
HALF
13.11 mi14:08:402:47:2412:478:51
12:59
-0:13
25K
15.53 mi14:40:513:19:3512:5132:11
13:17
+0:18
30K
18.64 mi15:27:094:05:5313:1246:18
14:55
+1:38
20M
20.00 mi15:47:174:26:0113:1920:08
14:50
-0:05
21M
21.00 mi16:03:224:42:0613:2716:05
16:05
+1:15
35K
21.75 mi16:13:384:52:2213:2710:16
13:44
-2:21
23M
23.00 mi16:32:205:11:0413:3218:42
14:57
+1:13
24M
24.00 mi16:47:275:26:1113:3615:07
15:07
+0:10
40K
24.85 mi17:00:305:39:1413:3913:03
15:16
+0:09
25.2M
25.20 mi17:06:225:45:0613:425:52
17:01
+1:45
FINISH
26.22 mi17:20:595:59:4313:4414:37
14:21
-2:40

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

12:00 /mi

Average Pace

13:44 /mi

Slowest Pace

17:01 /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

3:19:35

55% of race

Time at Steady Pace

1:50:01

31% of race

Time at Slower Pace

50:07

14% of race

Average Pace: 13:43 /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 mi11:58:3137:1512:0037:15
12:00
#28797
10K
6.21 mi12:38:041:16:4812:2239:33
12:44
#28859
15K
9.32 mi13:18:511:57:3512:3740:47
13:08
#28895
20K
12.43 mi13:59:492:38:3312:4640:58
13:12
#28867
HALF
13.11 mi14:08:402:47:2412:478:51
12:59
#28861
25K
15.53 mi14:40:513:19:3512:5132:11
13:17
#28815
30K
18.64 mi15:27:094:05:5313:1246:18
14:55
#28831
20M
20.00 mi15:47:174:26:0113:1920:08
14:50
#28825
21M
21.00 mi16:03:224:42:0613:2716:05
16:05
#28821
35K
21.75 mi16:13:384:52:2213:2710:16
13:44
#28814
23M
23.00 mi16:32:205:11:0413:3218:42
14:57
#28831
24M
24.00 mi16:47:275:26:1113:3615:07
15:07
#28847
40K
24.85 mi17:00:305:39:1413:3913:03
15:16
#28854
25.2M
25.20 mi17:06:225:45:0613:425:52
17:01
#28859
FINISH
26.22 mi17:20:595:59:4313:4414:37
14:21
#28872
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 mi28797124241242428869(Top 99%)12477(Top 99%)12477(Top 699%)
10K6.21 mi3.10 mi28859-6212466-4212466-4228881(Top 100%)12485(Top 99%)12485(Top 699%)
15K9.32 mi3.11 mi28895-3612493-2712493-2728869(Top 99%)12477(Top 99%)12477(Top 699%)
20K12.43 mi3.11 mi28867+2812476+1712476+1728700(Top 99%)12380(Top 98%)12380(Top 693%)
HALF13.11 mi0.68 mi28861+612475+112475+128732(Top 99%)12420(Top 99%)12420(Top 695%)
25K15.53 mi2.42 mi28815+4612440+3512440+3528379(Top 98%)12187(Top 97%)12187(Top 682%)
30K18.64 mi3.11 mi28831-1612461-2112461-2128753(Top 99%)12439(Top 99%)12439(Top 696%)
20M20.00 mi1.36 mi28825+612458+312458+328552(Top 98%)12339(Top 98%)12339(Top 691%)
21M21.00 mi1.00 mi28821+412457+112457+128621(Top 99%)12396(Top 99%)12396(Top 694%)
35K21.75 mi0.75 mi28814+712453+412453+428213(Top 97%)12207(Top 97%)12207(Top 683%)
23M23.00 mi1.25 mi28831-1712464-1112464-1128624(Top 99%)12409(Top 99%)12409(Top 695%)
24M24.00 mi1.00 mi28847-1612476-1212476-1228742(Top 99%)12467(Top 99%)12467(Top 698%)
40K24.85 mi0.85 mi28854-712484-812484-828567(Top 98%)12400(Top 99%)12400(Top 694%)
25.2M25.20 mi0.35 mi28859-512486-212486-228734(Top 99%)12489(Top 99%)12489(Top 699%)
FINISH26.22 mi1.02 mi28872-1312494-812494-828745(Top 99%)12478(Top 99%)12478(Top 699%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28869

Females

12477

F45-49

12477

5K→10K

3.1 - 6.2 mi

Top 100%
×5
+79ft-138ft

Overall

28881

Females

12485

F45-49

12485

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28869

Females

12477

F45-49

12477

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28700

Females

12380

F45-49

12380

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28732

Females

12420

F45-49

12420

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28379

Females

12187

F45-49

12187

25K→30K

15.5 - 18.6 mi

Top 99%
×9
+181ft-148ft

Overall

28753

Females

12439

F45-49

12439

30K→20M

18.6 - 20.0 mi

Top 98%
×5
+64ft-50ft

Overall

28552

Females

12339

F45-49

12339

20M→21M

20.0 - 21.0 mi

Top 99%
×8
+106ft-24ft

Overall

28621

Females

12396

F45-49

12396

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28213

Females

12207

F45-49

12207

35K→23M

21.8 - 23.0 mi

Top 99%
×5
+23ft-63ft

Overall

28624

Females

12409

F45-49

12409

23M→24M

23.0 - 24.0 mi

Top 99%
×6
+12ft-82ft

Overall

28742

Females

12467

F45-49

12467

24M→40K

24.0 - 24.9 mi

Top 98%
×1
+6ft-20ft

Overall

28567

Females

12400

F45-49

12400

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28734

Females

12489

F45-49

12489

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28745

Females

12478

F45-49

12478

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
186
Passed By
261
Net Change
-75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28797
5K → 10K1678-62#28797#28859
10K → 15K743-36#28859#28895
15K → 20K368+28#28895#28867
20K → HALF82+6#28867#28861
HALF → 25K493+46#28861#28815
25K → 30K1935-16#28815#28831
30K → 20M148+6#28831#28825
20M → 21M128+4#28825#28821
21M → 35K81+7#28821#28814
35K → 23M320-17#28814#28831
23M → 24M117-16#28831#28847
24M → 40K613-7#28847#28854
40K → 25.2M38-5#28854#28859
25.2M → FINISH417-13#28859#28872
TOTALS186261-75
📊

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