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BOSTON MARATHON 2024

Kelly Lauffer

Bib: 13259•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 29%
Masters (Masters Women)
#0 / 6263
Top 16%
Division (F40-44)
#0 / 1613
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:30
Rank: #13780
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
49:23
Rank: #14034 (-254)
5K → 10K
24:53 | 8:01/mi
15K· 9.32 mi
1:14:08
Rank: #13728 (+306)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:38:48
Rank: #13011 (+717)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:44:07
Rank: #12898 (+113)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:03:44
Rank: #12448 (+450)
Half → 25K
19:37 | 8:05/mi
30K· 18.64 mi
2:29:54
Rank: #11950 (+498)
25K → 30K
26:10 | 8:25/mi
20M
2:42:03
Rank: #11905 (+45)
30K → 20M
12:09 | 8:56/mi
21M
2:51:15
Rank: #11699 (+206)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:57:29
Rank: #11592 (+107)
21M → 35K
6:14 | 8:20/mi
23M
3:08:16
Rank: #11348 (+244)
35K → 23M
10:47 | 8:37/mi
24M
3:16:43
Rank: #11210 (+138)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:23:55
Rank: #11042 (+168)
24M → 40K
7:12 | 8:25/mi
25.2M
3:27:07
Rank: #10954 (+88)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:35:22
Rank: #10858 (+96)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:07
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:51:15
Pace8:29 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2624:307:5324:30
7:53
-
10K
6.21 mi11:19:1949:237:5724:53
8:01
+0:08
15K
9.32 mi11:44:041:14:087:5724:45
7:58
-0:03
20K
12.43 mi12:08:441:38:487:5724:40
7:56
-0:02
Half
13.11 mi12:14:031:44:077:575:19
7:48
-0:08
25K
15.53 mi12:33:402:03:447:5819:37
8:05
+0:17
30K
18.64 mi12:59:502:29:548:0226:10
8:25
+0:20
20M
20.00 mi13:11:592:42:038:0612:09
8:56
+0:31
21M
21.00 mi13:21:112:51:158:099:12
9:12
+0:16
35K
21.75 mi13:27:252:57:298:106:14
8:20
-0:52
23M
23.00 mi13:38:123:08:168:1110:47
8:37
+0:17
24M
24.00 mi13:46:393:16:438:128:27
8:27
-0:10
40K
24.85 mi13:53:513:23:558:127:12
8:25
-0:02
25.2M
25.20 mi13:57:033:27:078:133:12
9:17
+0:52
Finish
26.22 mi14:05:183:35:228:138:15
8:06
-1:11

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

7:48 /mi

Average Pace

8:13 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:02

84% of race

Time at Steady Pace

32:08

15% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:13 /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 mi10:54:2624:307:5324:30
7:53
#13780
10K
6.21 mi11:19:1949:237:5724:53
8:01
#14034
15K
9.32 mi11:44:041:14:087:5724:45
7:58
#13728
20K
12.43 mi12:08:441:38:487:5724:40
7:56
#13011
Half
13.11 mi12:14:031:44:077:575:19
7:48
#12898
25K
15.53 mi12:33:402:03:447:5819:37
8:05
#12448
30K
18.64 mi12:59:502:29:548:0226:10
8:25
#11950
20M
20.00 mi13:11:592:42:038:0612:09
8:56
#11905
21M
21.00 mi13:21:112:51:158:099:12
9:12
#11699
35K
21.75 mi13:27:252:57:298:106:14
8:20
#11592
23M
23.00 mi13:38:123:08:168:1110:47
8:37
#11348
24M
24.00 mi13:46:393:16:438:128:27
8:27
#11210
40K
24.85 mi13:53:513:23:558:127:12
8:25
#11042
25.2M
25.20 mi13:57:033:27:078:133:12
9:17
#10954
Finish
26.22 mi14:05:183:35:228:138:15
8:06
#10858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi137804164416413212(Top 52%)3921(Top 36%)3921(Top 243%)
10K6.21 mi3.10 mi14034-2544355-1914355-19114285(Top 56%)4497(Top 41%)4497(Top 279%)
15K9.32 mi3.11 mi13728+3064191+1644191+16413212(Top 52%)3921(Top 36%)3921(Top 243%)
20K12.43 mi3.11 mi13011+7173782+4093782+40911420(Top 45%)3017(Top 28%)3017(Top 187%)
Half13.11 mi0.68 mi12898+1133724+583724+5811346(Top 44%)2991(Top 27%)2991(Top 185%)
25K15.53 mi2.42 mi12448+4503504+2203504+22010773(Top 42%)2853(Top 26%)2853(Top 177%)
30K18.64 mi3.11 mi11950+4983323+1813323+18110245(Top 40%)2819(Top 26%)2819(Top 175%)
20M20.00 mi1.36 mi11905+453351-283351-2811811(Top 46%)3916(Top 36%)3916(Top 243%)
21M21.00 mi1.00 mi11699+2063305+463305+469516(Top 37%)2963(Top 27%)2963(Top 184%)
35K21.75 mi0.75 mi11592+1073281+243281+249807(Top 38%)3123(Top 29%)3123(Top 194%)
23M23.00 mi1.25 mi11348+2443226+553226+559090(Top 36%)2922(Top 27%)2922(Top 181%)
24M24.00 mi1.00 mi11210+1383197+293197+299186(Top 36%)3030(Top 28%)3030(Top 188%)
40K24.85 mi0.85 mi11042+1683152+453152+457991(Top 31%)2593(Top 24%)2593(Top 161%)
25.2M25.20 mi0.35 mi10954+883130+223130+227874(Top 31%)2612(Top 24%)2612(Top 162%)
Finish26.22 mi1.02 mi10858+963127+33127+39173(Top 36%)3136(Top 29%)3136(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13212

Females

3921

F40-44

3921

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14285

Females

4497

F40-44

4497

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13212

Females

3921

F40-44

3921

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11420

Females

3017

F40-44

3017

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11346

Females

2991

F40-44

2991

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

10773

Females

2853

F40-44

2853

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10245

Females

2819

F40-44

2819

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

11811

Females

3916

F40-44

3916

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9516

Females

2963

F40-44

2963

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9807

Females

3123

F40-44

3123

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9090

Females

2922

F40-44

2922

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9186

Females

3030

F40-44

3030

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7991

Females

2593

F40-44

2593

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7874

Females

2612

F40-44

2612

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9173

Females

3136

F40-44

3136

Passing Analysis

Category:
Athletes Passed
3905
Passed By
983
Net Change
+2922
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13780
5K → 10K206460-254#13780#14034
10K → 15K39791+306#14034#13728
15K → 20K73316+717#13728#13011
20K → Half1152+113#13011#12898
Half → 25K48131+450#12898#12448
25K → 30K56971+498#12448#11950
30K → 20M164119+45#11950#11905
20M → 21M24943+206#11905#11699
21M → 35K13023+107#11699#11592
35K → 23M27531+244#11592#11348
23M → 24M17537+138#11348#11210
24M → 40K18820+168#11210#11042
40K → 25.2M979+88#11042#10954
25.2M → Finish12630+96#10954#10858
TOTALS3905983+2922
📊

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