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BOSTON MARATHON 2024

Alexander Loper

Bib: 524•M

MD

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 0.8%
Gender (Male)
#0 / 14578
Top 1%
Division (M18-39)
#0 / 4849
Top 4%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:19
Rank: #210
Start → 5K
17:19 | 5:34/mi
10K· 6.21 mi
34:47
Rank: #212 (-2)
5K → 10K
17:28 | 5:37/mi
15K· 9.32 mi
52:08
Rank: #181 (+31)
10K → 15K
17:21 | 5:35/mi
20K· 12.43 mi
1:09:45
Rank: #169 (+12)
15K → 20K
17:37 | 5:40/mi
Half· 13.11 mi
1:13:34
Rank: #165 (+4)
20K → Half
3:49 | 5:36/mi
25K· 15.53 mi
1:27:25
Rank: #158 (+7)
Half → 25K
13:51 | 5:43/mi
30K· 18.64 mi
1:45:50
Rank: #156 (+2)
25K → 30K
18:25 | 5:56/mi
20M
1:54:14
Rank: #162 (-6)
30K → 20M
8:24 | 6:11/mi
21M
2:00:46
Rank: #176 (-14)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:05:22
Rank: #177 (-1)
21M → 35K
4:36 | 6:09/mi
23M
2:13:28
Rank: #185 (-8)
35K → 23M
8:06 | 6:28/mi
24M
2:19:54
Rank: #197 (-12)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:25:30
Rank: #197
24M → 40K
5:36 | 6:33/mi
25.2M
2:28:10
Rank: #205 (-8)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:34:27
Rank: #211 (-6)
25.2M → Finish
6:17 | 6:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:34
Pace5:37 /mi
2nd Half
Distance13.11 mi
Time1:20:53
Pace6:10 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2617:195:3417:19
5:34
-
10K
6.21 mi10:34:5434:475:3617:28
5:37
+0:03
15K
9.32 mi10:52:1552:085:3617:21
5:35
-0:02
20K
12.43 mi11:09:521:09:455:3717:37
5:40
+0:05
Half
13.11 mi11:13:411:13:345:373:49
5:36
-0:04
25K
15.53 mi11:27:321:27:255:3813:51
5:43
+0:07
30K
18.64 mi11:45:571:45:505:4118:25
5:56
+0:13
20M
20.00 mi11:54:211:54:145:438:24
6:11
+0:15
21M
21.00 mi12:00:532:00:465:456:32
6:32
+0:21
35K
21.75 mi12:05:292:05:225:464:36
6:09
-0:23
23M
23.00 mi12:13:352:13:285:488:06
6:28
+0:19
24M
24.00 mi12:20:012:19:545:506:26
6:26
-0:02
40K
24.85 mi12:25:372:25:305:515:36
6:33
+0:07
25.2M
25.20 mi12:28:172:28:105:532:40
7:44
+1:11
Finish
26.22 mi12:34:342:34:275:546:17
6:10
-1:34

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

5:34 /mi

Average Pace

5:54 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:25

57% of race

Time at Steady Pace

37:42

24% of race

Time at Slower Pace

29:20

19% of race

Average Pace: 5:53 /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 mi10:17:2617:195:3417:19
5:34
#210
10K
6.21 mi10:34:5434:475:3617:28
5:37
#212
15K
9.32 mi10:52:1552:085:3617:21
5:35
#181
20K
12.43 mi11:09:521:09:455:3717:37
5:40
#169
Half
13.11 mi11:13:411:13:345:373:49
5:36
#165
25K
15.53 mi11:27:321:27:255:3813:51
5:43
#158
30K
18.64 mi11:45:571:45:505:4118:25
5:56
#156
20M
20.00 mi11:54:211:54:145:438:24
6:11
#162
21M
21.00 mi12:00:532:00:465:456:32
6:32
#176
35K
21.75 mi12:05:292:05:225:464:36
6:09
#177
23M
23.00 mi12:13:352:13:285:488:06
6:28
#185
24M
24.00 mi12:20:012:19:545:506:26
6:26
#197
40K
24.85 mi12:25:372:25:305:515:36
6:33
#197
25.2M
25.20 mi12:28:172:28:105:532:40
7:44
#205
Finish
26.22 mi12:34:342:34:275:546:17
6:10
#211
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi210190190134(Top 0.5%)132(Top 0.9%)132(Top 3%)
10K6.21 mi3.10 mi212-2192-2192-2219(Top 0.9%)199(Top 1%)199(Top 4%)
15K9.32 mi3.11 mi181+31161+31161+31134(Top 0.5%)132(Top 0.9%)132(Top 3%)
20K12.43 mi3.11 mi169+12150+11150+11150(Top 0.6%)147(Top 1%)147(Top 3%)
Half13.11 mi0.68 mi165+4146+4146+4151(Top 0.6%)150(Top 1%)150(Top 3%)
25K15.53 mi2.42 mi158+7139+7139+7165(Top 0.6%)146(Top 1%)146(Top 3%)
30K18.64 mi3.11 mi156+2136+3136+3197(Top 0.8%)176(Top 1%)176(Top 4%)
20M20.00 mi1.36 mi162-6141-5141-5364(Top 1%)337(Top 2%)337(Top 7%)
21M21.00 mi1.00 mi176-14155-14155-14365(Top 1%)341(Top 2%)341(Top 7%)
35K21.75 mi0.75 mi177-1156-1156-1528(Top 2%)495(Top 3%)495(Top 10%)
23M23.00 mi1.25 mi185-8164-8164-8625(Top 2%)589(Top 4%)589(Top 12%)
24M24.00 mi1.00 mi197-12175-11175-11818(Top 3%)769(Top 5%)769(Top 16%)
40K24.85 mi0.85 mi197175175805(Top 3%)748(Top 5%)748(Top 15%)
25.2M25.20 mi0.35 mi205-8183-8183-81931(Top 8%)1699(Top 12%)1699(Top 35%)
Finish26.22 mi1.02 mi211-6189-6189-6648(Top 3%)606(Top 4%)606(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.5%
×21stories
+97ft-345ft

Overall

134

Males

132

M18-39

132

5K→10K

3.1 - 6.2 mi

Top 0.9%
×5stories
+79ft-138ft

Overall

219

Males

199

M18-39

199

10K→15K

6.2 - 9.3 mi

Top 0.5%
×3stories
+67ft-78ft

Overall

134

Males

132

M18-39

132

15K→20K

9.3 - 12.4 mi

Top 0.6%
×5stories
+106ft-86ft

Overall

150

Males

147

M18-39

147

20K→Half

12.4 - 13.1 mi

Top 0.6%
×2stories
+19ft-37ft

Overall

151

Males

150

M18-39

150

Half→25K

13.1 - 15.5 mi

Top 0.6%
×4stories
+66ft-88ft

Overall

165

Males

146

M18-39

146

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9stories
+181ft-148ft

Overall

197

Males

176

M18-39

176

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

364

Males

337

M18-39

337

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

365

Males

341

M18-39

341

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

528

Males

495

M18-39

495

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

625

Males

589

M18-39

589

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

818

Males

769

M18-39

769

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

805

Males

748

M18-39

748

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

1931

Males

1699

M18-39

1699

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

648

Males

606

M18-39

606

Passing Analysis

Category:
Athletes Passed
102
Passed By
103
Net Change
-1
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#210
5K → 10K810-2#210#212
10K → 15K310+31#212#181
15K → 20K153+12#181#169
20K → Half51+4#169#165
Half → 25K114+7#165#158
25K → 30K1311+2#158#156
30K → 20M28-6#156#162
20M → 21M115-14#162#176
21M → 35K45-1#176#177
35K → 23M412-8#177#185
23M → 24M012-12#185#197
24M → 40K550#197#197
40K → 25.2M08-8#197#205
25.2M → Finish39-6#205#211
TOTALS102103-1
📊

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