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BOSTON MARATHON 2024

John Loftus

Bib: 3570•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 27%
Division (M18-39)
#0 / 4849
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #2909
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
40:02
Rank: #2779 (+130)
5K → 10K
20:03 | 6:27/mi
15K· 9.32 mi
1:00:09
Rank: #2677 (+102)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:31
Rank: #2571 (+106)
15K → 20K
20:22 | 6:33/mi
Half· 13.11 mi
1:24:59
Rank: #2575 (-4)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:41:09
Rank: #2515 (+60)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:02:48
Rank: #2446 (+69)
25K → 30K
21:39 | 6:58/mi
20M
2:12:38
Rank: #2462 (-16)
30K → 20M
9:50 | 7:14/mi
21M
2:20:48
Rank: #2574 (-112)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:26:48
Rank: #2763 (-189)
21M → 35K
6:00 | 8:01/mi
23M
2:38:35
Rank: #3372 (-609)
35K → 23M
11:47 | 9:25/mi
24M
2:47:46
Rank: #3722 (-350)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
2:56:18
Rank: #4060 (-338)
24M → 40K
8:32 | 9:59/mi
25.2M
3:00:05
Rank: #4212 (-152)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:08:33
Rank: #4351 (-139)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:59
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
📊Positive Split: 21.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2119:596:2619:59
6:26
-
10K
6.21 mi10:42:2440:026:2720:03
6:27
+0:01
15K
9.32 mi11:02:311:00:096:2720:07
6:28
+0:01
20K
12.43 mi11:22:531:20:316:2920:22
6:33
+0:05
Half
13.11 mi11:27:211:24:596:294:28
6:33
0:00
25K
15.53 mi11:43:311:41:096:3116:10
6:40
+0:07
30K
18.64 mi12:05:102:02:486:3521:39
6:58
+0:18
20M
20.00 mi12:15:002:12:386:389:50
7:14
+0:16
21M
21.00 mi12:23:102:20:486:428:10
8:10
+0:56
35K
21.75 mi12:29:102:26:486:456:00
8:01
-0:09
23M
23.00 mi12:40:572:38:356:5411:47
9:25
+1:24
24M
24.00 mi12:50:082:47:466:599:11
9:11
-0:14
40K
24.85 mi12:58:402:56:187:068:32
9:59
+0:48
25.2M
25.20 mi13:02:273:00:057:093:47
10:58
+0:59
Finish
26.22 mi13:10:553:08:337:128:28
8:19
-2:39

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

6:26 /mi

Average Pace

7:12 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:09

32% of race

Time at Steady Pace

1:12:29

38% of race

Time at Slower Pace

55:55

30% of race

Average Pace: 7:11 /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 mi10:22:2119:596:2619:59
6:26
#2909
10K
6.21 mi10:42:2440:026:2720:03
6:27
#2779
15K
9.32 mi11:02:311:00:096:2720:07
6:28
#2677
20K
12.43 mi11:22:531:20:316:2920:22
6:33
#2571
Half
13.11 mi11:27:211:24:596:294:28
6:33
#2575
25K
15.53 mi11:43:311:41:096:3116:10
6:40
#2515
30K
18.64 mi12:05:102:02:486:3521:39
6:58
#2446
20M
20.00 mi12:15:002:12:386:389:50
7:14
#2462
21M
21.00 mi12:23:102:20:486:428:10
8:10
#2574
35K
21.75 mi12:29:102:26:486:456:00
8:01
#2763
23M
23.00 mi12:40:572:38:356:5411:47
9:25
#3372
24M
24.00 mi12:50:082:47:466:599:11
9:11
#3722
40K
24.85 mi12:58:402:56:187:068:32
9:59
#4060
25.2M
25.20 mi13:02:273:00:057:093:47
10:58
#4212
Finish
26.22 mi13:10:553:08:337:128:28
8:19
#4351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2909278527852590(Top 10%)2484(Top 17%)2484(Top 51%)
10K6.21 mi3.10 mi2779+1302666+1192666+1192720(Top 11%)2607(Top 18%)2607(Top 54%)
15K9.32 mi3.11 mi2677+1022570+962570+962590(Top 10%)2484(Top 17%)2484(Top 51%)
20K12.43 mi3.11 mi2571+1062466+1042466+1042442(Top 10%)2340(Top 16%)2340(Top 48%)
Half13.11 mi0.68 mi2575-42470-42470-42880(Top 11%)2750(Top 19%)2750(Top 57%)
25K15.53 mi2.42 mi2515+602405+652405+652467(Top 10%)2350(Top 16%)2350(Top 48%)
30K18.64 mi3.11 mi2446+692335+702335+702721(Top 11%)2546(Top 17%)2546(Top 53%)
20M20.00 mi1.36 mi2462-162347-122347-123303(Top 13%)2999(Top 21%)2999(Top 62%)
21M21.00 mi1.00 mi2574-1122446-992446-994764(Top 19%)3944(Top 27%)3944(Top 81%)
35K21.75 mi0.75 mi2763-1892612-1662612-1667853(Top 31%)5658(Top 39%)5658(Top 117%)
23M23.00 mi1.25 mi3372-6093142-5303142-53013086(Top 51%)8101(Top 56%)8101(Top 167%)
24M24.00 mi1.00 mi3722-3503435-2933435-29312992(Top 51%)8024(Top 55%)8024(Top 165%)
40K24.85 mi0.85 mi4060-3383686-2513686-25114891(Top 58%)8888(Top 61%)8888(Top 183%)
25.2M25.20 mi0.35 mi4212-1523798-1123798-11214316(Top 56%)8553(Top 59%)8553(Top 176%)
Finish26.22 mi1.02 mi4351-1393880-823880-8210348(Top 41%)6643(Top 46%)6643(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2590

Males

2484

M18-39

2484

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2720

Males

2607

M18-39

2607

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2590

Males

2484

M18-39

2484

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2442

Males

2340

M18-39

2340

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2880

Males

2750

M18-39

2750

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2467

Males

2350

M18-39

2350

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2721

Males

2546

M18-39

2546

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3303

Males

2999

M18-39

2999

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4764

Males

3944

M18-39

3944

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

7853

Males

5658

M18-39

5658

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13086

Males

8101

M18-39

8101

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

12992

Males

8024

M18-39

8024

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14891

Males

8888

M18-39

8888

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14316

Males

8553

M18-39

8553

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10348

Males

6643

M18-39

6643

Passing Analysis

Category:
Athletes Passed
976
Passed By
2418
Net Change
-1442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2909
5K → 10K22090+130#2909#2779
10K → 15K16058+102#2779#2677
15K → 20K14741+106#2677#2571
20K → Half1418-4#2571#2575
Half → 25K11252+60#2575#2515
25K → 30K16596+69#2515#2446
30K → 20M5571-16#2446#2462
20M → 21M31143-112#2462#2574
21M → 35K16205-189#2574#2763
35K → 23M7616-609#2763#3372
23M → 24M11361-350#3372#3722
24M → 40K9347-338#3722#4060
40K → 25.2M7159-152#4060#4212
25.2M → Finish22161-139#4212#4351
TOTALS9762418-1442
📊

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