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BOSTON MARATHON 2024

Nicholas Leahy

Bib: 1318•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 10%
Gender (Male)
#0 / 14578
Top 16%
Division (M18-39)
#0 / 4849
Top 35%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:13
Rank: #613
Start → 5K
18:13 | 5:52/mi
10K· 6.21 mi
36:30
Rank: #612 (+1)
5K → 10K
18:17 | 5:53/mi
15K· 9.32 mi
55:10
Rank: #649 (-37)
10K → 15K
18:40 | 6:00/mi
20K· 12.43 mi
1:14:32
Rank: #755 (-106)
15K → 20K
19:22 | 6:14/mi
Half· 13.11 mi
1:18:47
Rank: #786 (-31)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:34:30
Rank: #880 (-94)
Half → 25K
15:43 | 6:29/mi
30K· 18.64 mi
1:55:54
Rank: #1027 (-147)
25K → 30K
21:24 | 6:53/mi
20M
2:05:51
Rank: #1146 (-119)
30K → 20M
9:57 | 7:19/mi
21M
2:14:08
Rank: #1281 (-135)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:19:34
Rank: #1347 (-66)
21M → 35K
5:26 | 7:16/mi
23M
2:30:27
Rank: #1670 (-323)
35K → 23M
10:53 | 8:42/mi
24M
2:39:03
Rank: #1907 (-237)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
2:46:51
Rank: #2167 (-260)
24M → 40K
7:48 | 9:07/mi
25.2M
2:50:20
Rank: #2299 (-132)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
2:58:20
Rank: #2483 (-184)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:47
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
📊Positive Split: 26.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3318:135:5218:13
5:52
-
10K
6.21 mi10:36:5036:305:5218:17
5:53
+0:01
15K
9.32 mi10:55:3055:105:5518:40
6:00
+0:07
20K
12.43 mi11:14:521:14:326:0019:22
6:14
+0:14
Half
13.11 mi11:19:071:18:476:014:15
6:14
0:00
25K
15.53 mi11:34:501:34:306:0515:43
6:29
+0:15
30K
18.64 mi11:56:141:55:546:1321:24
6:53
+0:24
20M
20.00 mi12:06:112:05:516:189:57
7:19
+0:26
21M
21.00 mi12:14:282:14:086:238:17
8:17
+0:58
35K
21.75 mi12:19:542:19:346:255:26
7:16
-1:01
23M
23.00 mi12:30:472:30:276:3210:53
8:42
+1:26
24M
24.00 mi12:39:232:39:036:388:36
8:36
-0:06
40K
24.85 mi12:47:112:46:516:437:48
9:07
+0:31
25.2M
25.20 mi12:50:402:50:206:463:29
10:06
+0:59
Finish
26.22 mi12:58:402:58:206:488:00
7:51
-2:15

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

5:52 /mi

Average Pace

6:48 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:30

53% of race

Time at Steady Pace

44:47

25% of race

Time at Slower Pace

39:03

22% of race

Average Pace: 6:48 /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 mi10:18:3318:135:5218:13
5:52
#613
10K
6.21 mi10:36:5036:305:5218:17
5:53
#612
15K
9.32 mi10:55:3055:105:5518:40
6:00
#649
20K
12.43 mi11:14:521:14:326:0019:22
6:14
#755
Half
13.11 mi11:19:071:18:476:014:15
6:14
#786
25K
15.53 mi11:34:501:34:306:0515:43
6:29
#880
30K
18.64 mi11:56:141:55:546:1321:24
6:53
#1027
20M
20.00 mi12:06:112:05:516:189:57
7:19
#1146
21M
21.00 mi12:14:282:14:086:238:17
8:17
#1281
35K
21.75 mi12:19:542:19:346:255:26
7:16
#1347
23M
23.00 mi12:30:472:30:276:3210:53
8:42
#1670
24M
24.00 mi12:39:232:39:036:388:36
8:36
#1907
40K
24.85 mi12:47:112:46:516:437:48
9:07
#2167
25.2M
25.20 mi12:50:402:50:206:463:29
10:06
#2299
Finish
26.22 mi12:58:402:58:206:488:00
7:51
#2483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi613587587800(Top 3%)775(Top 5%)775(Top 16%)
10K6.21 mi3.10 mi612+1588-1588-1610(Top 2%)586(Top 4%)586(Top 12%)
15K9.32 mi3.11 mi649-37624-36624-36800(Top 3%)775(Top 5%)775(Top 16%)
20K12.43 mi3.11 mi755-106729-105729-1051152(Top 5%)1115(Top 8%)1115(Top 23%)
Half13.11 mi0.68 mi786-31760-31760-311448(Top 6%)1403(Top 10%)1403(Top 29%)
25K15.53 mi2.42 mi880-94846-86846-861718(Top 7%)1655(Top 11%)1655(Top 34%)
30K18.64 mi3.11 mi1027-147992-146992-1462318(Top 9%)2190(Top 15%)2190(Top 45%)
20M20.00 mi1.36 mi1146-1191104-1121104-1123622(Top 14%)3269(Top 22%)3269(Top 67%)
21M21.00 mi1.00 mi1281-1351234-1301234-1305224(Top 20%)4230(Top 29%)4230(Top 87%)
35K21.75 mi0.75 mi1347-661296-621296-623985(Top 16%)3436(Top 24%)3436(Top 71%)
23M23.00 mi1.25 mi1670-3231603-3071603-3079473(Top 37%)6322(Top 43%)6322(Top 130%)
24M24.00 mi1.00 mi1907-2371824-2211824-2219999(Top 39%)6527(Top 45%)6527(Top 135%)
40K24.85 mi0.85 mi2167-2602057-2332057-23311395(Top 45%)7116(Top 49%)7116(Top 147%)
25.2M25.20 mi0.35 mi2299-1322172-1152172-11511251(Top 44%)6985(Top 48%)6985(Top 144%)
Finish26.22 mi1.02 mi2483-1842333-1612333-1617594(Top 30%)5183(Top 36%)5183(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

800

Males

775

M18-39

775

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

610

Males

586

M18-39

586

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

800

Males

775

M18-39

775

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1152

Males

1115

M18-39

1115

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1448

Males

1403

M18-39

1403

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1718

Males

1655

M18-39

1655

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2318

Males

2190

M18-39

2190

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3622

Males

3269

M18-39

3269

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5224

Males

4230

M18-39

4230

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

3985

Males

3436

M18-39

3436

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9473

Males

6322

M18-39

6322

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

9999

Males

6527

M18-39

6527

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11395

Males

7116

M18-39

7116

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11251

Males

6985

M18-39

6985

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7594

Males

5183

M18-39

5183

Passing Analysis

Category:
Athletes Passed
154
Passed By
2024
Net Change
-1870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#613
5K → 10K3635+1#613#612
10K → 15K1350-37#612#649
15K → 20K2108-106#649#755
20K → Half031-31#755#786
Half → 25K18112-94#786#880
25K → 30K22169-147#880#1027
30K → 20M19138-119#1027#1146
20M → 21M10145-135#1146#1281
21M → 35K773-66#1281#1347
35K → 23M4327-323#1347#1670
23M → 24M7244-237#1670#1907
24M → 40K4264-260#1907#2167
40K → 25.2M4136-132#2167#2299
25.2M → Finish8192-184#2299#2483
TOTALS1542024-1870
📊

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