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BOSTON MARATHON 2024

Lily Corcoran

Bib: 12238•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
Division (F18-39)
#0 / 4660
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
7:31/mi
23:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:59
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:34:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:39:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
1:59:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:14/mi
2:27:55
↑ 181↓ 1480.2%
20M
10:01/mi
2:41:32
↑ 64↓ 500.2%
21M
10:56/mi
2:52:28
↑ 106↓ 241.6%
35K· 21.75 mi
12:04/mi
3:01:30
↑ 17↓ 861.7%
23M
10:32/mi
3:14:41
↑ 23↓ 630.6%
24M
9:40/mi
3:24:21
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:32:09
↓ 200.3%
25.2M
9:49/mi
3:35:32
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:44:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:26
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time2:05:00
Pace9:32 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5323:207:3123:20
7:31
-
10K
6.21 mi11:16:2046:477:3223:27
7:33
+0:02
15K
9.32 mi11:39:321:09:597:3123:12
7:28
-0:05
20K
12.43 mi12:03:411:34:087:3424:09
7:46
+0:18
Half
13.11 mi12:08:591:39:267:355:18
7:46
0:00
25K
15.53 mi12:28:461:59:137:4019:47
8:10
+0:24
30K
18.64 mi12:57:282:27:557:5628:42
9:14
+1:04
20M
20.00 mi13:11:052:41:328:0513:37
10:01
+0:47
21M
21.00 mi13:22:012:52:288:1310:56
10:56
+0:55
35K
21.75 mi13:31:033:01:308:219:02
12:04
+1:08
23M
23.00 mi13:44:143:14:418:2813:11
10:32
-1:32
24M
24.00 mi13:53:543:24:218:319:40
9:40
-0:52
40K
24.85 mi14:01:423:32:098:327:48
9:07
-0:33
25.2M
25.20 mi14:05:053:35:328:333:23
9:49
+0:42
Finish
26.22 mi14:13:593:44:268:348:54
8:44
-1:05

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

7:28 /mi

Average Pace

8:34 /mi

Slowest Pace

12:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:13

53% of race

Time at Steady Pace

55:04

25% of race

Time at Slower Pace

50:09

22% of race

Average Pace: 8:34 /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 mi10:52:5323:207:3123:20
7:31
#10867
10K
6.21 mi11:16:2046:477:3223:27
7:33
#10736
15K
9.32 mi11:39:321:09:597:3123:12
7:28
#10247
20K
12.43 mi12:03:411:34:087:3424:09
7:46
#10217
Half
13.11 mi12:08:591:39:267:355:18
7:46
#10250
25K
15.53 mi12:28:461:59:137:4019:47
8:10
#10353
30K
18.64 mi12:57:282:27:557:5628:42
9:14
#11202
20M
20.00 mi13:11:052:41:328:0513:37
10:01
#11732
21M
21.00 mi13:22:012:52:288:1310:56
10:56
#12074
35K
21.75 mi13:31:033:01:308:219:02
12:04
#12734
23M
23.00 mi13:44:143:14:418:2813:11
10:32
#13113
24M
24.00 mi13:53:543:24:218:319:40
9:40
#13224
40K
24.85 mi14:01:423:32:098:327:48
9:07
#13116
25.2M
25.20 mi14:05:053:35:328:333:23
9:49
#13044
Finish
26.22 mi14:13:593:44:268:348:54
8:44
#13017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10867249124919428(Top 37%)1894(Top 17%)1894(Top 41%)
10K6.21 mi3.10 mi10736+1312467+242467+2410692(Top 42%)2477(Top 23%)2477(Top 53%)
15K9.32 mi3.11 mi10247+4892218+2492218+2499428(Top 37%)1894(Top 17%)1894(Top 41%)
20K12.43 mi3.11 mi10217+302266-482266-4810255(Top 40%)2465(Top 23%)2465(Top 53%)
Half13.11 mi0.68 mi10250-332293-272293-2711179(Top 44%)2919(Top 27%)2919(Top 63%)
25K15.53 mi2.42 mi10353-1032395-1022395-10211147(Top 44%)3041(Top 28%)3041(Top 65%)
30K18.64 mi3.11 mi11202-8492932-5372932-53714349(Top 56%)5062(Top 46%)5062(Top 109%)
20M20.00 mi1.36 mi11732-5303250-3183250-31816553(Top 65%)6489(Top 59%)6489(Top 139%)
21M21.00 mi1.00 mi12074-3423512-2623512-26216173(Top 63%)6408(Top 59%)6408(Top 138%)
35K21.75 mi0.75 mi12734-6603918-4063918-40621929(Top 86%)9314(Top 85%)9314(Top 200%)
23M23.00 mi1.25 mi13113-3794202-2844202-28417128(Top 67%)6967(Top 64%)6967(Top 150%)
24M24.00 mi1.00 mi13224-1114308-1064308-10615152(Top 59%)6021(Top 55%)6021(Top 129%)
40K24.85 mi0.85 mi13116+1084283+254283+2511443(Top 45%)4266(Top 39%)4266(Top 92%)
25.2M25.20 mi0.35 mi13044+724265+184265+1810201(Top 40%)3731(Top 34%)3731(Top 80%)
Finish26.22 mi1.02 mi13017+274290-254290-2512843(Top 50%)4886(Top 45%)4886(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9428

Females

1894

F18-39

1894

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10692

Females

2477

F18-39

2477

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9428

Females

1894

F18-39

1894

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10255

Females

2465

F18-39

2465

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11179

Females

2919

F18-39

2919

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11147

Females

3041

F18-39

3041

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14349

Females

5062

F18-39

5062

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

16553

Females

6489

F18-39

6489

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16173

Females

6408

F18-39

6408

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

21929

Females

9314

F18-39

9314

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17128

Females

6967

F18-39

6967

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15152

Females

6021

F18-39

6021

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11443

Females

4266

F18-39

4266

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10201

Females

3731

F18-39

3731

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12843

Females

4886

F18-39

4886

Passing Analysis

Category:
Athletes Passed
1958
Passed By
4107
Net Change
-2150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10867
5K → 10K349218+131#10867#10736
10K → 15K52536+489#10736#10247
15K → 20K247217+30#10247#10217
20K → Half2558-33#10217#10250
Half → 25K178281-103#10250#10353
25K → 30K92940-849#10353#11202
30K → 20M43573-530#11202#11732
20M → 21M57399-342#11732#12074
21M → 35K10670-660#12074#12734
35K → 23M56435-379#12734#13113
23M → 24M63174-111#13113#13224
24M → 40K13527+108#13224#13116
40K → 25.2M764+72#13116#13044
25.2M → Finish10275+27#13044#13017
TOTALS19584107-2150
📊

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