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BOSTON MARATHON 2024

Karen Henderson

Bib: 25083•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
10:21/mi
32:10
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:04:24
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:37:38
↑ 67↓ 78
20K· 12.43 mi
12:20/mi
2:15:56
↑ 106↓ 860.1%
Half· 13.11 mi
10:43/mi
2:23:15
↑ 19↓ 370.5%
25K· 15.53 mi
12:16/mi
2:52:59
↑ 66↓ 880.2%
30K· 18.64 mi
12:51/mi
3:32:55
↑ 181↓ 1480.2%
20M
12:48/mi
3:50:18
↑ 64↓ 500.2%
21M
18:28/mi
4:08:46
↑ 106↓ 241.6%
35K· 21.75 mi
11:26/mi
4:17:19
↑ 17↓ 861.7%
23M
13:07/mi
4:33:44
↑ 23↓ 630.6%
24M
11:34/mi
4:45:18
↓ 821.3%
40K· 24.85 mi
12:52/mi
4:56:18
↓ 200.3%
25.2M
14:42/mi
5:01:22
↑ 13↓ 160.2%
Finish· 26.22 mi
11:33/mi
5:13:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:15
Pace10:56 /mi
2nd Half
Distance13.11 mi
Time2:49:53
Pace12:58 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1832:1010:2132:10
10:21
-
10K
6.21 mi12:20:321:04:2410:2232:14
10:22
+0:01
15K
9.32 mi12:53:461:37:3810:2933:14
10:42
+0:20
20K
12.43 mi13:32:042:15:5610:5638:18
12:20
+1:38
Half
13.11 mi13:39:232:23:1510:567:19
10:43
-1:37
25K
15.53 mi14:09:072:52:5911:0829:44
12:16
+1:33
30K
18.64 mi14:49:033:32:5511:2539:56
12:51
+0:35
20M
20.00 mi15:06:263:50:1811:3117:23
12:48
-0:03
21M
21.00 mi15:24:544:08:4611:5118:28
18:28
+5:40
35K
21.75 mi15:33:274:17:1911:508:33
11:26
-7:02
23M
23.00 mi15:49:524:33:4411:5416:25
13:07
+1:41
24M
24.00 mi16:01:264:45:1811:5311:34
11:34
-1:33
40K
24.85 mi16:12:264:56:1811:5511:00
12:52
+1:18
25.2M
25.20 mi16:17:305:01:2211:585:04
14:42
+1:50
Finish
26.22 mi16:29:165:13:0811:5711:46
11:33
-3:09

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

10:21 /mi

Average Pace

11:57 /mi

Slowest Pace

18:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:57

34% of race

Time at Steady Pace

3:04:39

59% of race

Time at Slower Pace

23:32

8% of race

Average Pace: 11:57 /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 mi11:48:1832:1010:2132:10
10:21
#23795
10K
6.21 mi12:20:321:04:2410:2232:14
10:22
#23505
15K
9.32 mi12:53:461:37:3810:2933:14
10:42
#23430
20K
12.43 mi13:32:042:15:5610:5638:18
12:20
#23849
Half
13.11 mi13:39:232:23:1510:567:19
10:43
#23807
25K
15.53 mi14:09:072:52:5911:0829:44
12:16
#23765
30K
18.64 mi14:49:033:32:5511:2539:56
12:51
#23652
20M
20.00 mi15:06:263:50:1811:3117:23
12:48
#23578
21M
21.00 mi15:24:544:08:4611:5118:28
18:28
#23787
35K
21.75 mi15:33:274:17:1911:508:33
11:26
#23719
23M
23.00 mi15:49:524:33:4411:5416:25
13:07
#23671
24M
24.00 mi16:01:264:45:1811:5311:34
11:34
#23591
40K
24.85 mi16:12:264:56:1811:5511:00
12:52
#23545
25.2M
25.20 mi16:17:305:01:2211:585:04
14:42
#23543
Finish
26.22 mi16:29:165:13:0811:5711:46
11:33
#23510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi237959837983723276(Top 91%)9581(Top 88%)9581(Top 547%)
10K6.21 mi3.10 mi23505+2909677+1609677+16023319(Top 91%)9592(Top 88%)9592(Top 547%)
15K9.32 mi3.11 mi23430+759641+369641+3623276(Top 91%)9581(Top 88%)9581(Top 547%)
20K12.43 mi3.11 mi23849-4199874-2339874-23324314(Top 95%)10185(Top 93%)10185(Top 581%)
Half13.11 mi0.68 mi23807+429853+219853+2123111(Top 90%)9560(Top 88%)9560(Top 545%)
25K15.53 mi2.42 mi23765+429853985323475(Top 92%)9794(Top 90%)9794(Top 559%)
30K18.64 mi3.11 mi23652+1139830+239830+2323114(Top 90%)9708(Top 89%)9708(Top 554%)
20M20.00 mi1.36 mi23578+749802+289802+2822594(Top 88%)9552(Top 87%)9552(Top 545%)
21M21.00 mi1.00 mi23787-2099934-1329934-13225344(Top 99%)10855(Top 99%)10855(Top 619%)
35K21.75 mi0.75 mi23719+689904+309904+3020727(Top 81%)8695(Top 80%)8695(Top 496%)
23M23.00 mi1.25 mi23671+489901+39901+322730(Top 89%)9717(Top 89%)9717(Top 554%)
24M24.00 mi1.00 mi23591+809869+329869+3220587(Top 81%)8730(Top 80%)8730(Top 498%)
40K24.85 mi0.85 mi23545+469859+109859+1022061(Top 86%)9493(Top 87%)9493(Top 542%)
25.2M25.20 mi0.35 mi23543+29860-19860-122650(Top 89%)9778(Top 90%)9778(Top 558%)
Finish26.22 mi1.02 mi23510+339853+79853+722526(Top 88%)9710(Top 89%)9710(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23276

Females

9581

F45-49

9581

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23319

Females

9592

F45-49

9592

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23276

Females

9581

F45-49

9581

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

24314

Females

10185

F45-49

10185

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23111

Females

9560

F45-49

9560

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

23475

Females

9794

F45-49

9794

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23114

Females

9708

F45-49

9708

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

22594

Females

9552

F45-49

9552

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

25344

Females

10855

F45-49

10855

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

20727

Females

8695

F45-49

8695

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

22730

Females

9717

F45-49

9717

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20587

Females

8730

F45-49

8730

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22061

Females

9493

F45-49

9493

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22650

Females

9778

F45-49

9778

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

22526

Females

9710

F45-49

9710

Passing Analysis

Category:
Athletes Passed
1402
Passed By
1117
Net Change
+285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23795
5K → 10K37484+290#23795#23505
10K → 15K189114+75#23505#23430
15K → 20K27446-419#23430#23849
20K → Half5210+42#23849#23807
Half → 25K11169+42#23807#23765
25K → 30K16653+113#23765#23652
30K → 20M9824+74#23652#23578
20M → 21M19228-209#23578#23787
21M → 35K735+68#23787#23719
35K → 23M8133+48#23719#23671
23M → 24M833+80#23671#23591
24M → 40K6216+46#23591#23545
40K → 25.2M1614+2#23545#23543
25.2M → Finish5118+33#23543#23510
TOTALS14021117+285
📊

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