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BOSTON MARATHON 2024

Karen Igo

Bib: 17659•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:16/mi
25:40
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
51:49
↑ 79↓ 1380.4%
15K· 9.32 mi
9:52/mi
1:22:27
↑ 67↓ 78
20K· 12.43 mi
10:29/mi
1:55:02
↑ 106↓ 860.1%
Half· 13.11 mi
10:38/mi
2:02:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:43/mi
2:28:15
↑ 66↓ 880.2%
30K· 18.64 mi
11:06/mi
3:02:45
↑ 181↓ 1480.2%
20M
11:11/mi
3:17:57
↑ 64↓ 500.2%
21M
13:35/mi
3:31:32
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
3:38:50
↑ 17↓ 861.7%
23M
10:48/mi
3:52:21
↑ 23↓ 630.6%
24M
11:00/mi
4:03:21
↓ 821.3%
40K· 24.85 mi
10:08/mi
4:12:01
↓ 200.3%
25.2M
12:14/mi
4:16:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:58/mi
4:26:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:17
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:24:06
Pace11:00 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3125:408:1625:40
8:16
-
10K
6.21 mi11:42:4051:498:2026:09
8:25
+0:09
15K
9.32 mi12:13:181:22:278:5130:38
9:52
+1:27
20K
12.43 mi12:45:531:55:029:1532:35
10:29
+0:37
Half
13.11 mi12:53:082:02:179:207:15
10:38
+0:09
25K
15.53 mi13:19:062:28:159:3325:58
10:43
+0:05
30K
18.64 mi13:53:363:02:459:4834:30
11:06
+0:23
20M
20.00 mi14:08:483:17:579:5415:12
11:11
+0:05
21M
21.00 mi14:22:233:31:3210:0413:35
13:35
+2:24
35K
21.75 mi14:29:413:38:5010:047:18
9:45
-3:50
23M
23.00 mi14:43:123:52:2110:0613:31
10:48
+1:03
24M
24.00 mi14:54:124:03:2110:0811:00
11:00
+0:12
40K
24.85 mi15:02:524:12:0110:088:40
10:08
-0:52
25.2M
25.20 mi15:07:054:16:1410:104:13
12:14
+2:06
Finish
26.22 mi15:17:144:26:2310:1010:09
9:58
-2:16

Checkpoints & Pacing

📈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

8:16 /mi

Average Pace

10:10 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:54

38% of race

Time at Steady Pace

2:28:41

56% of race

Time at Slower Pace

17:48

7% of race

Average Pace: 10:10 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:16:3125:408:1625:40
8:16
#16423
10K
6.21 mi11:42:4051:498:2026:09
8:25
#16571
15K
9.32 mi12:13:181:22:278:5130:38
9:52
#18911
20K
12.43 mi12:45:531:55:029:1532:35
10:29
#19965
Half
13.11 mi12:53:082:02:179:207:15
10:38
#20166
25K
15.53 mi13:19:062:28:159:3325:58
10:43
#20273
30K
18.64 mi13:53:363:02:459:4834:30
11:06
#20232
20M
20.00 mi14:08:483:17:579:5415:12
11:11
#20210
21M
21.00 mi14:22:233:31:3210:0413:35
13:35
#20315
35K
21.75 mi14:29:413:38:5010:047:18
9:45
#20178
23M
23.00 mi14:43:123:52:2110:0613:31
10:48
#20025
24M
24.00 mi14:54:124:03:2110:0811:00
11:00
#19976
40K
24.85 mi15:02:524:12:0110:088:40
10:08
#19800
25.2M
25.20 mi15:07:054:16:1410:104:13
12:14
#19775
Finish
26.22 mi15:17:144:26:2310:1010:09
9:58
#19710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi164235817581721590(Top 85%)8645(Top 79%)8645(Top 728%)
10K6.21 mi3.10 mi16571-1485904-875904-8716801(Top 66%)6013(Top 55%)6013(Top 507%)
15K9.32 mi3.11 mi18911-23407253-13497253-134921590(Top 85%)8645(Top 79%)8645(Top 728%)
20K12.43 mi3.11 mi19965-10547810-5577810-55721644(Top 85%)8707(Top 80%)8707(Top 734%)
Half13.11 mi0.68 mi20166-2017909-997909-9922897(Top 90%)9433(Top 86%)9433(Top 795%)
25K15.53 mi2.42 mi20273-1077983-747983-7420895(Top 82%)8411(Top 77%)8411(Top 709%)
30K18.64 mi3.11 mi20232+418013-308013-3020221(Top 79%)8225(Top 75%)8225(Top 693%)
20M20.00 mi1.36 mi20210+228035-228035-2219708(Top 77%)8074(Top 74%)8074(Top 680%)
21M21.00 mi1.00 mi20315-1058115-808115-8021726(Top 85%)9165(Top 84%)9165(Top 772%)
35K21.75 mi0.75 mi20178+1378063+528063+5216434(Top 64%)6588(Top 60%)6588(Top 555%)
23M23.00 mi1.25 mi20025+1538003+608003+6017842(Top 70%)7334(Top 67%)7334(Top 618%)
24M24.00 mi1.00 mi19976+497993+107993+1019243(Top 75%)8085(Top 74%)8085(Top 681%)
40K24.85 mi0.85 mi19800+1767915+787915+7815521(Top 61%)6277(Top 57%)6277(Top 529%)
25.2M25.20 mi0.35 mi19775+257909+67909+617906(Top 70%)7506(Top 69%)7506(Top 632%)
Finish26.22 mi1.02 mi19710+657894+157894+1518265(Top 71%)7636(Top 70%)7636(Top 643%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21590

Females

8645

F50-54

8645

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16801

Females

6013

F50-54

6013

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21590

Females

8645

F50-54

8645

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21644

Females

8707

F50-54

8707

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

22897

Females

9433

F50-54

9433

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

20895

Females

8411

F50-54

8411

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20221

Females

8225

F50-54

8225

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

19708

Females

8074

F50-54

8074

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

21726

Females

9165

F50-54

9165

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16434

Females

6588

F50-54

6588

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

17842

Females

7334

F50-54

7334

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19243

Females

8085

F50-54

8085

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15521

Females

6277

F50-54

6277

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17906

Females

7506

F50-54

7506

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18265

Females

7636

F50-54

7636

Passing Analysis

Category:
Athletes Passed
1457
Passed By
4744
Net Change
-3287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16423
5K → 10K224372-148#16423#16571
10K → 15K72347-2340#16571#18911
15K → 20K501104-1054#18911#19965
20K → Half4205-201#19965#20166
Half → 25K118225-107#20166#20273
25K → 30K196155+41#20273#20232
30K → 20M10078+22#20232#20210
20M → 21M37142-105#20210#20315
21M → 35K1381+137#20315#20178
35K → 23M17724+153#20178#20025
23M → 24M9243+49#20025#19976
24M → 40K1793+176#19976#19800
40K → 25.2M4520+25#19800#19775
25.2M → Finish9025+65#19775#19710
TOTALS14574744-3287
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing