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BOSTON MARATHON 2024

Alex Boswell

Bib: 29174•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:29
Rank: #22560
Start → 5K
30:29 | 9:49/mi
10K· 6.21 mi
1:04:41
Rank: #23584 (-1024)
5K → 10K
34:12 | 11:00/mi
15K· 9.32 mi
1:46:59
Rank: #24801 (-1217)
10K → 15K
42:18 | 13:37/mi
20K· 12.43 mi
2:30:42
Rank: #25051 (-250)
15K → 20K
43:43 | 14:04/mi
Half· 13.11 mi
2:41:14
Rank: #25150 (-99)
20K → Half
10:32 | 15:26/mi
25K· 15.53 mi
3:13:42
Rank: #25087 (+63)
Half → 25K
32:28 | 13:23/mi
30K· 18.64 mi
4:03:14
Rank: #25192 (-105)
25K → 30K
49:32 | 15:57/mi
20M
4:25:14
Rank: #25233 (-41)
30K → 20M
22:00 | 16:11/mi
21M
4:38:29
Rank: #25173 (+60)
20M → 21M
13:15 | 13:15/mi
35K· 21.75 mi
4:50:38
Rank: #25208 (-35)
21M → 35K
12:09 | 16:14/mi
23M
5:08:49
Rank: #25193 (+15)
35K → 23M
18:11 | 14:31/mi
24M
5:24:15
Rank: #25218 (-25)
23M → 24M
15:26 | 15:26/mi
40K· 24.85 mi
5:35:47
Rank: #25195 (+23)
24M → 40K
11:32 | 13:29/mi
25.2M
5:41:31
Rank: #25203 (-8)
40K → 25.2M
5:44 | 16:38/mi
Finish· 26.22 mi
5:52:41
Rank: #25127 (+76)
25.2M → Finish
11:10 | 10:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:41:14
Pace12:18 /mi
2nd Half
Distance13.11 mi
Time3:11:27
Pace14:36 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3830:299:4930:29
9:49
-
10K
6.21 mi12:27:501:04:4110:2534:12
11:00
+1:11
15K
9.32 mi13:10:081:46:5911:2942:18
13:37
+2:37
20K
12.43 mi13:53:512:30:4212:0843:43
14:04
+0:27
Half
13.11 mi14:04:232:41:1412:1810:32
15:26
+1:22
25K
15.53 mi14:36:513:13:4212:2832:28
13:23
-2:03
30K
18.64 mi15:26:234:03:1413:0349:32
15:57
+2:34
20M
20.00 mi15:48:234:25:1413:1622:00
16:11
+0:14
21M
21.00 mi16:01:384:38:2913:1613:15
13:15
-2:56
35K
21.75 mi16:13:474:50:3813:2212:09
16:14
+2:59
23M
23.00 mi16:31:585:08:4913:2618:11
14:31
-1:43
24M
24.00 mi16:47:245:24:1513:3115:26
15:26
+0:55
40K
24.85 mi16:58:565:35:4713:3111:32
13:29
-1:57
25.2M
25.20 mi17:04:405:41:3113:335:44
16:38
+3:09
Finish
26.22 mi17:15:505:52:4113:2811:10
10:57
-5:41

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

9:49 /mi

Average Pace

13:28 /mi

Slowest Pace

16:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:51

22% of race

Time at Steady Pace

2:41:27

46% of race

Time at Slower Pace

1:55:23

33% of race

Average Pace: 13:27 /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 mi11:53:3830:299:4930:29
9:49
#22560
10K
6.21 mi12:27:501:04:4110:2534:12
11:00
#23584
15K
9.32 mi13:10:081:46:5911:2942:18
13:37
#24801
20K
12.43 mi13:53:512:30:4212:0843:43
14:04
#25051
Half
13.11 mi14:04:232:41:1412:1810:32
15:26
#25150
25K
15.53 mi14:36:513:13:4212:2832:28
13:23
#25087
30K
18.64 mi15:26:234:03:1413:0349:32
15:57
#25192
20M
20.00 mi15:48:234:25:1413:1622:00
16:11
#25233
21M
21.00 mi16:01:384:38:2913:1613:15
13:15
#25173
35K
21.75 mi16:13:474:50:3813:2212:09
16:14
#25208
23M
23.00 mi16:31:585:08:4913:2618:11
14:31
#25193
24M
24.00 mi16:47:245:24:1513:3115:26
15:26
#25218
40K
24.85 mi16:58:565:35:4713:3111:32
13:29
#25195
25.2M
25.20 mi17:04:405:41:3113:335:44
16:38
#25203
Finish
26.22 mi17:15:505:52:4113:2811:10
10:57
#25127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22560133271332725443(Top 100%)14532(Top 100%)14532(Top 300%)
10K6.21 mi3.10 mi23584-102413817-49013817-49024296(Top 95%)14106(Top 97%)14106(Top 291%)
15K9.32 mi3.11 mi24801-121714307-49014307-49025443(Top 100%)14532(Top 100%)14532(Top 300%)
20K12.43 mi3.11 mi25051-25014402-9514402-9525377(Top 99%)14501(Top 99%)14501(Top 299%)
Half13.11 mi0.68 mi25150-9914432-3014432-3025517(Top 100%)14562(Top 100%)14562(Top 300%)
25K15.53 mi2.42 mi25087+6314405+2714405+2724525(Top 96%)14111(Top 97%)14111(Top 291%)
30K18.64 mi3.11 mi25192-10514436-3114436-3125318(Top 99%)14437(Top 99%)14437(Top 298%)
20M20.00 mi1.36 mi25233-4114447-1114447-1125236(Top 99%)14382(Top 99%)14382(Top 297%)
21M21.00 mi1.00 mi25173+6014419+2814419+2821184(Top 83%)12246(Top 84%)12246(Top 253%)
35K21.75 mi0.75 mi25208-3514430-1114430-1125214(Top 99%)14348(Top 98%)14348(Top 296%)
23M23.00 mi1.25 mi25193+1514420+1014420+1024296(Top 95%)13813(Top 95%)13813(Top 285%)
24M24.00 mi1.00 mi25218-2514430-1014430-1024970(Top 98%)14178(Top 97%)14178(Top 292%)
40K24.85 mi0.85 mi25195+2314417+1314417+1323010(Top 90%)13032(Top 89%)13032(Top 269%)
25.2M25.20 mi0.35 mi25203-8144171441724469(Top 96%)13855(Top 95%)13855(Top 286%)
Finish26.22 mi1.02 mi25127+7614384+3314384+3321257(Top 83%)12117(Top 83%)12117(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

25443

Males

14532

M18-39

14532

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

24296

Males

14106

M18-39

14106

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

25443

Males

14532

M18-39

14532

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

25377

Males

14501

M18-39

14501

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

25517

Males

14562

M18-39

14562

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

24525

Males

14111

M18-39

14111

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

25318

Males

14437

M18-39

14437

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

25236

Males

14382

M18-39

14382

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

21184

Males

12246

M18-39

12246

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

25214

Males

14348

M18-39

14348

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

24296

Males

13813

M18-39

13813

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

24970

Males

14178

M18-39

14178

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23010

Males

13032

M18-39

13032

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

24469

Males

13855

M18-39

13855

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

21257

Males

12117

M18-39

12117

Passing Analysis

Category:
Athletes Passed
355
Passed By
2922
Net Change
-2567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22560
5K → 10K211045-1024#22560#23584
10K → 15K21219-1217#23584#24801
15K → 20K15265-250#24801#25051
20K → Half099-99#25051#25150
Half → 25K7815+63#25150#25087
25K → 30K26131-105#25087#25192
30K → 20M849-41#25192#25233
20M → 21M611+60#25233#25173
21M → 35K439-35#25173#25208
35K → 23M2712+15#25208#25193
23M → 24M732-25#25193#25218
24M → 40K263+23#25218#25195
40K → 25.2M311-8#25195#25203
25.2M → Finish771+76#25203#25127
TOTALS3552922-2567
📊

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