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BOSTON MARATHON 2024

Kathryn Ergen

Bib: 22584•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:17
Rank: #20490
Start → 5K
9:06/mi
28:17 split
10K· 6.21 mi
56:44
Rank: #20381 (+109)
5K → 10K
9:09/mi
28:27 split
15K· 9.32 mi
1:26:45
Rank: #20674 (-293)
10K → 15K
9:40/mi
30:01 split
20K· 12.43 mi
1:58:53
Rank: #20852 (-178)
15K → 20K
10:21/mi
32:08 split
Half· 13.11 mi
2:05:22
Rank: #20819 (+33)
20K → Half
9:30/mi
6:29 split
25K· 15.53 mi
2:32:09
Rank: #20937 (-118)
Half → 25K
11:03/mi
26:47 split
30K· 18.64 mi
3:05:34
Rank: #20650 (+287)
25K → 30K
10:45/mi
33:25 split
20M
3:20:16
Rank: #20483 (+167)
30K → 20M
10:49/mi
14:42 split
21M
3:32:14
Rank: #20395 (+88)
20M → 21M
11:58/mi
11:58 split
35K· 21.75 mi
3:39:43
Rank: #20284 (+111)
21M → 35K
10:00/mi
7:29 split
23M
3:53:29
Rank: #20178 (+106)
35K → 23M
11:00/mi
13:46 split
24M
4:05:06
Rank: #20173 (+5)
23M → 24M
11:37/mi
11:37 split
40K· 24.85 mi
4:15:03
Rank: #20142 (+31)
24M → 40K
11:38/mi
9:57 split
25.2M
4:18:58
Rank: #20076 (+66)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
4:29:21
Rank: #20033 (+43)
25.2M → Finish
10:11/mi
10:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:22
Pace9:34 /mi
2nd Half
Distance13.11 mi
Time2:23:59
Pace10:59 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4928:179:0628:17
9:06
-
10K
6.21 mi11:55:1656:449:0828:27
9:09
+0:03
15K
9.32 mi12:25:171:26:459:1830:01
9:40
+0:31
20K
12.43 mi12:57:251:58:539:3432:08
10:21
+0:41
Half
13.11 mi13:03:542:05:229:346:29
9:30
-0:51
25K
15.53 mi13:30:412:32:099:4826:47
11:03
+1:33
30K
18.64 mi14:04:063:05:349:5733:25
10:45
-0:18
20M
20.00 mi14:18:483:20:1610:0114:42
10:49
+0:04
21M
21.00 mi14:30:463:32:1410:0611:58
11:58
+1:09
35K
21.75 mi14:38:153:39:4310:067:29
10:00
-1:58
23M
23.00 mi14:52:013:53:2910:0913:46
11:00
+1:00
24M
24.00 mi15:03:384:05:0610:1311:37
11:37
+0:37
40K
24.85 mi15:13:354:15:0310:169:57
11:38
+0:01
25.2M
25.20 mi15:17:304:18:5810:173:55
11:21
-0:17
Finish
26.22 mi15:27:534:29:2110:1710:23
10:11
-1:10

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

9:06 /mi

Average Pace

10:17 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:06

41% of race

Time at Steady Pace

2:00:48

45% of race

Time at Slower Pace

37:27

14% of race

Average Pace: 10:16 /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 mi11:26:4928:179:0628:17
9:06
#20490
10K
6.21 mi11:55:1656:449:0828:27
9:09
#20381
15K
9.32 mi12:25:171:26:459:1830:01
9:40
#20674
20K
12.43 mi12:57:251:58:539:3432:08
10:21
#20852
Half
13.11 mi13:03:542:05:229:346:29
9:30
#20819
25K
15.53 mi13:30:412:32:099:4826:47
11:03
#20937
30K
18.64 mi14:04:063:05:349:5733:25
10:45
#20650
20M
20.00 mi14:18:483:20:1610:0114:42
10:49
#20483
21M
21.00 mi14:30:463:32:1410:0611:58
11:58
#20395
35K
21.75 mi14:38:153:39:4310:067:29
10:00
#20284
23M
23.00 mi14:52:013:53:2910:0913:46
11:00
#20178
24M
24.00 mi15:03:384:05:0610:1311:37
11:37
#20173
40K
24.85 mi15:13:354:15:0310:169:57
11:38
#20142
25.2M
25.20 mi15:17:304:18:5810:173:55
11:21
#20076
Finish
26.22 mi15:27:534:29:2110:1710:23
10:11
#20033
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi204908141814121116(Top 83%)8383(Top 77%)8383(Top 957%)
10K6.21 mi3.10 mi20381+1098061+808061+8020373(Top 80%)8032(Top 74%)8032(Top 917%)
15K9.32 mi3.11 mi20674-2938179-1188179-11821116(Top 83%)8383(Top 77%)8383(Top 957%)
20K12.43 mi3.11 mi20852-1788280-1018280-10121336(Top 84%)8544(Top 78%)8544(Top 975%)
Half13.11 mi0.68 mi20819+338262+188262+1820111(Top 79%)7939(Top 73%)7939(Top 906%)
25K15.53 mi2.42 mi20937-1188348-868348-8621599(Top 85%)8780(Top 80%)8780(Top 1002%)
30K18.64 mi3.11 mi20650+2878229+1198229+11919416(Top 76%)7803(Top 71%)7803(Top 891%)
20M20.00 mi1.36 mi20483+1678181+488181+4818843(Top 74%)7641(Top 70%)7641(Top 872%)
21M21.00 mi1.00 mi20395+888163+188163+1818737(Top 73%)7698(Top 70%)7698(Top 879%)
35K21.75 mi0.75 mi20284+1118120+438120+4317190(Top 67%)6951(Top 64%)6951(Top 793%)
23M23.00 mi1.25 mi20178+1068086+348086+3418425(Top 72%)7618(Top 70%)7618(Top 870%)
24M24.00 mi1.00 mi20173+58102-168102-1620663(Top 81%)8766(Top 80%)8766(Top 1001%)
40K24.85 mi0.85 mi20142+318108-68108-619653(Top 77%)8329(Top 76%)8329(Top 951%)
25.2M25.20 mi0.35 mi20076+668072+368072+3615706(Top 61%)6407(Top 59%)6407(Top 731%)
Finish26.22 mi1.02 mi20033+438067+58067+519065(Top 75%)8002(Top 73%)8002(Top 913%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

21116

Females

8383

F55-59

8383

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20373

Females

8032

F55-59

8032

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

21116

Females

8383

F55-59

8383

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

21336

Females

8544

F55-59

8544

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20111

Females

7939

F55-59

7939

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

21599

Females

8780

F55-59

8780

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19416

Females

7803

F55-59

7803

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

18843

Females

7641

F55-59

7641

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

18737

Females

7698

F55-59

7698

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17190

Females

6951

F55-59

6951

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

18425

Females

7618

F55-59

7618

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

20663

Females

8766

F55-59

8766

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

19653

Females

8329

F55-59

8329

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15706

Females

6407

F55-59

6407

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19065

Females

8002

F55-59

8002

Passing Analysis

Category:
Athletes Passed
1904
Passed By
1447
Net Change
+457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20490
5K → 10K327218+109#20490#20381
10K → 15K125418-293#20381#20674
15K → 20K127305-178#20674#20852
20K → Half4411+33#20852#20819
Half → 25K109227-118#20819#20937
25K → 30K33043+287#20937#20650
30K → 20M18114+167#20650#20483
20M → 21M12234+88#20483#20395
21M → 35K1176+111#20395#20284
35K → 23M13731+106#20284#20178
23M → 24M7166+5#20178#20173
24M → 40K7948+31#20173#20142
40K → 25.2M671+66#20142#20076
25.2M → Finish6825+43#20076#20033
TOTALS19041447+457
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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