Katie Demo

Bib: 27048β€’F

MA

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°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
5KΒ· 3.11 mi
32:14
Rank: #26921
Start β†’ 5K
32:14 | 10:23/mi
10KΒ· 6.21 mi
1:03:59
Rank: #26602 (+319)
5K β†’ 10K
31:45 | 10:14/mi
15KΒ· 9.32 mi
1:37:50
Rank: #26890 (-288)
10K β†’ 15K
33:51 | 10:54/mi
20KΒ· 12.43 mi
2:12:05
Rank: #26925 (-35)
15K β†’ 20K
34:15 | 11:02/mi
HALFΒ· 13.11 mi
2:19:07
Rank: #26888 (+37)
20K β†’ HALF
7:02 | 10:20/mi
25KΒ· 15.53 mi
2:50:20
Rank: #27258 (-370)
HALF β†’ 25K
31:13 | 12:53/mi
30KΒ· 18.64 mi
3:25:30
Rank: #27035 (+223)
25K β†’ 30K
35:10 | 11:20/mi
20M
3:43:04
Rank: #27076 (-41)
30K β†’ 20M
17:34 | 12:56/mi
21M
3:54:17
Rank: #26940 (+136)
20M β†’ 21M
11:13 | 11:13/mi
35KΒ· 21.75 mi
4:01:58
Rank: #26852 (+88)
21M β†’ 35K
7:41 | 10:17/mi
23M
4:15:19
Rank: #26702 (+150)
35K β†’ 23M
13:21 | 10:41/mi
24M
4:26:20
Rank: #26648 (+54)
23M β†’ 24M
11:01 | 11:01/mi
40KΒ· 24.85 mi
4:35:27
Rank: #26547 (+101)
24M β†’ 40K
9:07 | 10:40/mi
25.2M
4:39:16
Rank: #26497 (+50)
40K β†’ 25.2M
3:49 | 11:05/mi
FINISHΒ· 26.22 mi
4:48:55
Rank: #26398 (+99)
25.2M β†’ FINISH
9:39 | 9:29/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
Time2:19:07
Pace10:37 /mi
2nd Half
Distance13.11 mi
Time2:29:48
Pace11:26 /mi
πŸ“ŠPositive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5332:1410:2332:14
10:23
-
10K
6.21 mi12:26:381:03:5910:1831:45
10:14
-0:09
15K
9.32 mi13:00:291:37:5010:3033:51
10:54
+0:40
20K
12.43 mi13:34:442:12:0510:3834:15
11:02
+0:08
HALF
13.11 mi13:41:462:19:0710:377:02
10:20
-0:42
25K
15.53 mi14:12:592:50:2010:5831:13
12:53
+2:33
30K
18.64 mi14:48:093:25:3011:0235:10
11:20
-1:33
20M
20.00 mi15:05:433:43:0411:1017:34
12:56
+1:36
21M
21.00 mi15:16:563:54:1711:1011:13
11:13
-1:43
35K
21.75 mi15:24:374:01:5811:087:41
10:17
-0:56
23M
23.00 mi15:37:584:15:1911:0713:21
10:41
+0:24
24M
24.00 mi15:48:594:26:2011:0611:01
11:01
+0:20
40K
24.85 mi15:58:064:35:2711:059:07
10:40
-0:21
25.2M
25.20 mi16:01:554:39:1611:053:49
11:05
+0:25
FINISH
26.22 mi16:11:344:48:5511:029:39
9:29
-1:36

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:29 /mi

Average Pace

11:02 /mi

Slowest Pace

12:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:28:21

31% of race

Time at Steady Pace

2:31:47

53% of race

Time at Slower Pace

48:47

17% of race

Average Pace: 11:01 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:54:5332:1410:2332:14
10:23
#26921
10K
6.21 mi12:26:381:03:5910:1831:45
10:14
#26602
15K
9.32 mi13:00:291:37:5010:3033:51
10:54
#26890
20K
12.43 mi13:34:442:12:0510:3834:15
11:02
#26925
HALF
13.11 mi13:41:462:19:0710:377:02
10:20
#26888
25K
15.53 mi14:12:592:50:2010:5831:13
12:53
#27258
30K
18.64 mi14:48:093:25:3011:0235:10
11:20
#27035
20M
20.00 mi15:05:433:43:0411:1017:34
12:56
#27076
21M
21.00 mi15:16:563:54:1711:1011:13
11:13
#26940
35K
21.75 mi15:24:374:01:5811:087:41
10:17
#26852
23M
23.00 mi15:37:584:15:1911:0713:21
10:41
#26702
24M
24.00 mi15:48:594:26:2011:0611:01
11:01
#26648
40K
24.85 mi15:58:064:35:2711:059:07
10:40
#26547
25.2M
25.20 mi16:01:554:39:1611:053:49
11:05
#26497
FINISH
26.22 mi16:11:344:48:5511:029:39
9:29
#26398
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 mi26921112311123127311(Top 94%)11494(Top 91%)11494(Top 662%)
10K6.21 mi3.10 mi26602+31911055+17611055+17626359(Top 91%)10931(Top 87%)10931(Top 629%)
15K9.32 mi3.11 mi26890-28811227-17211227-17227311(Top 94%)11494(Top 91%)11494(Top 662%)
20K12.43 mi3.11 mi26925-3511246-1911246-1926987(Top 93%)11302(Top 90%)11302(Top 651%)
HALF13.11 mi0.68 mi26888+3711233+1311233+1326346(Top 91%)10966(Top 87%)10966(Top 631%)
25K15.53 mi2.42 mi27258-37011465-23211465-23228156(Top 97%)12047(Top 96%)12047(Top 694%)
30K18.64 mi3.11 mi27035+22311363+10211363+10225884(Top 89%)10833(Top 86%)10833(Top 624%)
20M20.00 mi1.36 mi27076-4111400-3711400-3727364(Top 94%)11678(Top 93%)11678(Top 672%)
21M21.00 mi1.00 mi26940+13611322+7811322+7823605(Top 81%)9755(Top 78%)9755(Top 562%)
35K21.75 mi0.75 mi26852+8811276+4611276+4623844(Top 82%)9910(Top 79%)9910(Top 571%)
23M23.00 mi1.25 mi26702+15011201+7511201+7523776(Top 82%)9929(Top 79%)9929(Top 572%)
24M24.00 mi1.00 mi26648+5411181+2011181+2025151(Top 87%)10676(Top 85%)10676(Top 615%)
40K24.85 mi0.85 mi26547+10111134+4711134+4723600(Top 81%)9928(Top 79%)9928(Top 572%)
25.2M25.20 mi0.35 mi26497+5011114+2011114+2022607(Top 78%)9414(Top 75%)9414(Top 542%)
FINISH26.22 mi1.02 mi26398+9911069+4511069+4522268(Top 77%)9219(Top 73%)9219(Top 531%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
Γ—21stories
+97ft-345ft

Overall

27311

Females

11494

F40-44

11494

5K→10K

3.1 - 6.2 mi

Top 91%
Γ—5stories
+79ft-138ft

Overall

26359

Females

10931

F40-44

10931

10K→15K

6.2 - 9.3 mi

Top 94%
Γ—3stories
+67ft-78ft

Overall

27311

Females

11494

F40-44

11494

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5stories
+106ft-86ft

Overall

26987

Females

11302

F40-44

11302

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2stories
+19ft-37ft

Overall

26346

Females

10966

F40-44

10966

HALF→25K

13.1 - 15.5 mi

Top 97%
Γ—4stories
+66ft-88ft

Overall

28156

Females

12047

F40-44

12047

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9stories
+181ft-148ft

Overall

25884

Females

10833

F40-44

10833

30K→20M

18.6 - 20.0 mi

Top 94%
Γ—5stories
+64ft-50ft

Overall

27364

Females

11678

F40-44

11678

20M→21M

20.0 - 21.0 mi

Top 81%
Γ—8stories
+106ft-24ft

Overall

23605

Females

9755

F40-44

9755

21M→35K

21.0 - 21.8 mi

Top 82%
Γ—7stories
+17ft-86ft

Overall

23844

Females

9910

F40-44

9910

35K→23M

21.8 - 23.0 mi

Top 82%
Γ—5stories
+23ft-63ft

Overall

23776

Females

9929

F40-44

9929

23M→24M

23.0 - 24.0 mi

Top 87%
Γ—6stories
+12ft-82ft

Overall

25151

Females

10676

F40-44

10676

24M→40K

24.0 - 24.9 mi

Top 81%
Γ—1story
+6ft-20ft

Overall

23600

Females

9928

F40-44

9928

40K→25.2M

24.9 - 25.2 mi

Top 78%
Γ—1story
+13ft-16ft

Overall

22607

Females

9414

F40-44

9414

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
Γ—2stories
+22ft-21ft

Overall

22268

Females

9219

F40-44

9219

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1541
Passed By
1018
Net Change
+523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26921
5K β†’ 10K38263+319#26921#26602
10K β†’ 15K49337-288#26602#26890
15K β†’ 20K108143-35#26890#26925
20K β†’ HALF392+37#26925#26888
HALF β†’ 25K12382-370#26888#27258
25K β†’ 30K23310+223#27258#27035
30K β†’ 20M2263-41#27035#27076
20M β†’ 21M1393+136#27076#26940
21M β†’ 35K880+88#26940#26852
35K β†’ 23M1511+150#26852#26702
23M β†’ 24M6511+54#26702#26648
24M β†’ 40K1021+101#26648#26547
40K β†’ 25.2M500+50#26547#26497
25.2M β†’ FINISH1012+99#26497#26398
TOTALS15411018+523
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing