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BOSTON MARATHON 2024

Britt Ivan

Bib: 22012•F

AB

Masters
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0:00
0:00
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Age Group (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered 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· 3.11 mi
28:25
Rank: #20636
Start → 5K
28:25 | 9:09/mi
10K· 6.21 mi
58:19
Rank: #21227 (-591)
5K → 10K
29:54 | 9:37/mi
15K· 9.32 mi
1:27:24
Rank: #20868 (+359)
10K → 15K
29:05 | 9:22/mi
20K· 12.43 mi
1:59:54
Rank: #21073 (-205)
15K → 20K
32:30 | 10:28/mi
Half· 13.11 mi
2:07:04
Rank: #21159 (-86)
20K → Half
7:10 | 10:30/mi
25K· 15.53 mi
2:31:43
Rank: #20873 (+286)
Half → 25K
24:39 | 10:10/mi
30K· 18.64 mi
3:06:28
Rank: #20773 (+100)
25K → 30K
34:45 | 11:11/mi
20M
3:21:06
Rank: #20601 (+172)
30K → 20M
14:38 | 10:46/mi
21M
3:32:30
Rank: #20434 (+167)
20M → 21M
11:24 | 11:24/mi
35K· 21.75 mi
3:39:47
Rank: #20293 (+141)
21M → 35K
7:17 | 9:44/mi
23M
3:52:52
Rank: #20089 (+204)
35K → 23M
13:05 | 10:27/mi
24M
4:03:10
Rank: #19951 (+138)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:11:54
Rank: #19790 (+161)
24M → 40K
8:44 | 10:13/mi
25.2M
4:15:22
Rank: #19669 (+121)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
4:23:43
Rank: #19394 (+275)
25.2M → Finish
8:21 | 8:12/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
Time2:07:04
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:16:39
Pace10:25 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2528:259:0928:25
9:09
-
10K
6.21 mi11:58:1958:199:2329:54
9:37
+0:28
15K
9.32 mi12:27:241:27:249:2329:05
9:22
-0:15
20K
12.43 mi12:59:541:59:549:3932:30
10:28
+1:06
Half
13.11 mi13:07:042:07:049:427:10
10:30
+0:02
25K
15.53 mi13:31:432:31:439:4624:39
10:10
-0:20
30K
18.64 mi14:06:283:06:2810:0034:45
11:11
+1:01
20M
20.00 mi14:21:063:21:0610:0314:38
10:46
-0:25
21M
21.00 mi14:32:303:32:3010:0711:24
11:24
+0:38
35K
21.75 mi14:39:473:39:4710:067:17
9:44
-1:40
23M
23.00 mi14:52:523:52:5210:0713:05
10:27
+0:43
24M
24.00 mi15:03:104:03:1010:0810:18
10:18
-0:09
40K
24.85 mi15:11:544:11:5410:088:44
10:13
-0:05
25.2M
25.20 mi15:15:224:15:2210:083:28
10:03
-0:10
Finish
26.22 mi15:23:434:23:4310:048:21
8:12
-1:51

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

8:12 /mi

Average Pace

10:04 /mi

Slowest Pace

11:24 /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

1:43:02

39% of race

Time at Steady Pace

1:39:54

38% of race

Time at Slower Pace

1:00:47

23% of race

Average Pace: 10:03 /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 mi11:28:2528:259:0928:25
9:09
#20636
10K
6.21 mi11:58:1958:199:2329:54
9:37
#21227
15K
9.32 mi12:27:241:27:249:2329:05
9:22
#20868
20K
12.43 mi12:59:541:59:549:3932:30
10:28
#21073
Half
13.11 mi13:07:042:07:049:427:10
10:30
#21159
25K
15.53 mi13:31:432:31:439:4624:39
10:10
#20873
30K
18.64 mi14:06:283:06:2810:0034:45
11:11
#20773
20M
20.00 mi14:21:063:21:0610:0314:38
10:46
#20601
21M
21.00 mi14:32:303:32:3010:0711:24
11:24
#20434
35K
21.75 mi14:39:473:39:4710:067:17
9:44
#20293
23M
23.00 mi14:52:523:52:5210:0713:05
10:27
#20089
24M
24.00 mi15:03:104:03:1010:0810:18
10:18
#19951
40K
24.85 mi15:11:544:11:5410:088:44
10:13
#19790
25.2M
25.20 mi15:15:224:15:2210:083:28
10:03
#19669
Finish
26.22 mi15:23:434:23:4310:048:21
8:12
#19394
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi206368226822620234(Top 79%)7904(Top 72%)7904(Top 666%)
10K6.21 mi3.10 mi21227-5918504-2788504-27821694(Top 85%)8759(Top 80%)8759(Top 738%)
15K9.32 mi3.11 mi20868+3598293+2118293+21120234(Top 79%)7904(Top 72%)7904(Top 666%)
20K12.43 mi3.11 mi21073-2058392-998392-9921595(Top 85%)8676(Top 79%)8676(Top 731%)
Half13.11 mi0.68 mi21159-868437-458437-4522684(Top 89%)9328(Top 85%)9328(Top 786%)
25K15.53 mi2.42 mi20873+2868311+1268311+12619571(Top 77%)7689(Top 70%)7689(Top 648%)
30K18.64 mi3.11 mi20773+1008310+18310+120401(Top 80%)8317(Top 76%)8317(Top 701%)
20M20.00 mi1.36 mi20601+1728246+648246+6418724(Top 73%)7585(Top 69%)7585(Top 639%)
21M21.00 mi1.00 mi20434+1678179+678179+6717433(Top 68%)7061(Top 65%)7061(Top 595%)
35K21.75 mi0.75 mi20293+1418126+538126+5316363(Top 64%)6553(Top 60%)6553(Top 552%)
23M23.00 mi1.25 mi20089+2048041+858041+8516938(Top 66%)6888(Top 63%)6888(Top 580%)
24M24.00 mi1.00 mi19951+1387978+637978+6317311(Top 68%)7121(Top 65%)7121(Top 600%)
40K24.85 mi0.85 mi19790+1617909+697909+6915780(Top 62%)6398(Top 59%)6398(Top 539%)
25.2M25.20 mi0.35 mi19669+1217862+477862+4711249(Top 44%)4240(Top 39%)4240(Top 357%)
Finish26.22 mi1.02 mi19394+2757729+1337729+1339791(Top 38%)3431(Top 31%)3431(Top 289%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20234

Females

7904

F50-54

7904

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

21694

Females

8759

F50-54

8759

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20234

Females

7904

F50-54

7904

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

21595

Females

8676

F50-54

8676

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

22684

Females

9328

F50-54

9328

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

19571

Females

7689

F50-54

7689

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

20401

Females

8317

F50-54

8317

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

18724

Females

7585

F50-54

7585

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17433

Females

7061

F50-54

7061

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16363

Females

6553

F50-54

6553

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

16938

Females

6888

F50-54

6888

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

17311

Females

7121

F50-54

7121

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15780

Females

6398

F50-54

6398

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11249

Females

4240

F50-54

4240

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9791

Females

3431

F50-54

3431

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2568
Passed By
1326
Net Change
+1242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20636
5K → 10K81672-591#20636#21227
10K → 15K39637+359#21227#20868
15K → 20K121326-205#20868#21073
20K → Half692-86#21073#21159
Half → 25K31630+286#21159#20873
25K → 30K219119+100#20873#20773
30K → 20M18412+172#20773#20601
20M → 21M17912+167#20601#20434
21M → 35K1454+141#20434#20293
35K → 23M2106+204#20293#20089
23M → 24M14911+138#20089#19951
24M → 40K1665+161#19951#19790
40K → 25.2M1210+121#19790#19669
25.2M → Finish2750+275#19669#19394
TOTALS25681326+1242
📊

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