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BOSTON MARATHON 2024

Alex Rosenau

Bib: 2046•M

MI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 4%
Gender (Male)
#0 / 14578
Top 6%
Division (M18-39)
#0 / 4849
Top 16%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:01
Rank: #1317
Start → 5K
19:01 | 6:07/mi
10K· 6.21 mi
38:19
Rank: #1415 (-98)
5K → 10K
19:18 | 6:13/mi
15K· 9.32 mi
57:40
Rank: #1431 (-16)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:17:09
Rank: #1346 (+85)
15K → 20K
19:29 | 6:16/mi
Half· 13.11 mi
1:21:17
Rank: #1325 (+21)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:36:27
Rank: #1238 (+87)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:56:13
Rank: #1084 (+154)
25K → 30K
19:46 | 6:22/mi
20M
2:05:02
Rank: #1021 (+63)
30K → 20M
8:49 | 6:29/mi
21M
2:11:59
Rank: #983 (+38)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:16:44
Rank: #972 (+11)
21M → 35K
4:45 | 6:21/mi
23M
2:25:03
Rank: #946 (+26)
35K → 23M
8:19 | 6:39/mi
24M
2:31:41
Rank: #935 (+11)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:37:34
Rank: #931 (+4)
24M → 40K
5:53 | 6:53/mi
25.2M
2:40:13
Rank: #935 (-4)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:47:24
Rank: #988 (-53)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:17
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1919:016:0719:01
6:07
-
10K
6.21 mi10:39:3738:196:1019:18
6:13
+0:06
15K
9.32 mi10:58:5857:406:1119:21
6:14
+0:01
20K
12.43 mi11:18:271:17:096:1219:29
6:16
+0:02
Half
13.11 mi11:22:351:21:176:124:08
6:03
-0:13
25K
15.53 mi11:37:451:36:276:1315:10
6:15
+0:12
30K
18.64 mi11:57:311:56:136:1419:46
6:22
+0:07
20M
20.00 mi12:06:202:05:026:158:49
6:29
+0:07
21M
21.00 mi12:13:172:11:596:176:57
6:57
+0:28
35K
21.75 mi12:18:022:16:446:174:45
6:21
-0:36
23M
23.00 mi12:26:212:25:036:188:19
6:39
+0:18
24M
24.00 mi12:32:592:31:416:196:38
6:38
-0:01
40K
24.85 mi12:38:522:37:346:205:53
6:53
+0:15
25.2M
25.20 mi12:41:312:40:136:212:39
7:41
+0:48
Finish
26.22 mi12:48:422:47:246:237:11
7:03
-0:38

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

6:03 /mi

Average Pace

6:23 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:09

14% of race

Time at Steady Pace

1:46:38

64% of race

Time at Slower Pace

37:37

22% of race

Average Pace: 6:23 /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 mi10:20:1919:016:0719:01
6:07
#1317
10K
6.21 mi10:39:3738:196:1019:18
6:13
#1415
15K
9.32 mi10:58:5857:406:1119:21
6:14
#1431
20K
12.43 mi11:18:271:17:096:1219:29
6:16
#1346
Half
13.11 mi11:22:351:21:176:124:08
6:03
#1325
25K
15.53 mi11:37:451:36:276:1315:10
6:15
#1238
30K
18.64 mi11:57:311:56:136:1419:46
6:22
#1084
20M
20.00 mi12:06:202:05:026:158:49
6:29
#1021
21M
21.00 mi12:13:172:11:596:176:57
6:57
#983
35K
21.75 mi12:18:022:16:446:174:45
6:21
#972
23M
23.00 mi12:26:212:25:036:188:19
6:39
#946
24M
24.00 mi12:32:592:31:416:196:38
6:38
#935
40K
24.85 mi12:38:522:37:346:205:53
6:53
#931
25.2M
25.20 mi12:41:312:40:136:212:39
7:41
#935
Finish
26.22 mi12:48:422:47:246:237:11
7:03
#988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1317127112711463(Top 6%)1417(Top 10%)1417(Top 29%)
10K6.21 mi3.10 mi1415-981370-991370-991542(Top 6%)1495(Top 10%)1495(Top 31%)
15K9.32 mi3.11 mi1431-161388-181388-181463(Top 6%)1417(Top 10%)1417(Top 29%)
20K12.43 mi3.11 mi1346+851302+861302+861270(Top 5%)1229(Top 8%)1229(Top 25%)
Half13.11 mi0.68 mi1325+211282+201282+20932(Top 4%)899(Top 6%)899(Top 19%)
25K15.53 mi2.42 mi1238+871197+851197+85991(Top 4%)953(Top 7%)953(Top 20%)
30K18.64 mi3.11 mi1084+1541046+1511046+151759(Top 3%)725(Top 5%)725(Top 15%)
20M20.00 mi1.36 mi1021+63984+62984+62821(Top 3%)777(Top 5%)777(Top 16%)
21M21.00 mi1.00 mi983+38945+39945+39962(Top 4%)911(Top 6%)911(Top 19%)
35K21.75 mi0.75 mi972+11934+11934+11916(Top 4%)868(Top 6%)868(Top 18%)
23M23.00 mi1.25 mi946+26906+28906+28943(Top 4%)892(Top 6%)892(Top 18%)
24M24.00 mi1.00 mi935+11894+12894+121222(Top 5%)1139(Top 8%)1139(Top 23%)
40K24.85 mi0.85 mi931+4889+5889+51512(Top 6%)1382(Top 9%)1382(Top 29%)
25.2M25.20 mi0.35 mi935-4893-4893-41825(Top 7%)1616(Top 11%)1616(Top 33%)
Finish26.22 mi1.02 mi988-53943-50943-503318(Top 13%)2734(Top 19%)2734(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1463

Males

1417

M18-39

1417

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1542

Males

1495

M18-39

1495

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1463

Males

1417

M18-39

1417

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1270

Males

1229

M18-39

1229

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

932

Males

899

M18-39

899

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

991

Males

953

M18-39

953

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

759

Males

725

M18-39

725

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

821

Males

777

M18-39

777

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

962

Males

911

M18-39

911

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

916

Males

868

M18-39

868

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

943

Males

892

M18-39

892

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1222

Males

1139

M18-39

1139

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1512

Males

1382

M18-39

1382

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1825

Males

1616

M18-39

1616

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3318

Males

2734

M18-39

2734

Passing Analysis

Category:
Athletes Passed
725
Passed By
396
Net Change
+329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1317
5K → 10K35133-98#1317#1415
10K → 15K4864-16#1415#1431
15K → 20K10419+85#1431#1346
20K → Half243+21#1346#1325
Half → 25K9710+87#1325#1238
25K → 30K1617+154#1238#1084
30K → 20M729+63#1084#1021
20M → 21M5012+38#1021#983
21M → 35K2211+11#983#972
35K → 23M3812+26#972#946
23M → 24M2716+11#946#935
24M → 40K2218+4#935#931
40K → 25.2M1014-4#931#935
25.2M → Finish1568-53#935#988
TOTALS725396+329
📊

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