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BOSTON MARATHON 2024

Alan Southworth

Bib: 4548•M

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
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
20:45
Rank: #4665
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:28
Rank: #4345 (+320)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:02
Rank: #3975 (+370)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:48
Rank: #3686 (+289)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:27:24
Rank: #3711 (-25)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:43:48
Rank: #3528 (+183)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:05:55
Rank: #3409 (+119)
25K → 30K
22:07 | 7:07/mi
20M
2:16:17
Rank: #3518 (-109)
30K → 20M
10:22 | 7:38/mi
21M
2:24:27
Rank: #3578 (-60)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:30:25
Rank: #3729 (-151)
21M → 35K
5:58 | 7:59/mi
23M
2:40:54
Rank: #3901 (-172)
35K → 23M
10:29 | 8:22/mi
24M
2:50:51
Rank: #4374 (-473)
23M → 24M
9:57 | 9:57/mi
40K· 24.85 mi
3:00:51
Rank: #4992 (-618)
24M → 40K
10:00 | 11:42/mi
25.2M
3:05:25
Rank: #5309 (-317)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
3:18:02
Rank: #6398 (-1089)
25.2M → Finish
12:37 | 12:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:24
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:50:38
Pace8:26 /mi
📊Positive Split: 26.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3820:456:4120:45
6:41
-
10K
6.21 mi10:45:2141:286:4020:43
6:40
-0:01
15K
9.32 mi11:05:551:02:026:3920:34
6:37
-0:03
20K
12.43 mi11:26:411:22:486:4020:46
6:41
+0:04
Half
13.11 mi11:31:171:27:246:404:36
6:45
+0:04
25K
15.53 mi11:47:411:43:486:4116:24
6:46
+0:01
30K
18.64 mi12:09:482:05:556:4522:07
7:07
+0:21
20M
20.00 mi12:20:102:16:176:4910:22
7:38
+0:31
21M
21.00 mi12:28:202:24:276:538:10
8:10
+0:32
35K
21.75 mi12:34:182:30:256:555:58
7:59
-0:11
23M
23.00 mi12:44:472:40:547:0010:29
8:22
+0:23
24M
24.00 mi12:54:442:50:517:079:57
9:57
+1:35
40K
24.85 mi13:04:443:00:517:1710:00
11:42
+1:45
25.2M
25.20 mi13:09:183:05:257:214:34
13:15
+1:33
Finish
26.22 mi13:21:553:18:027:3412:37
12:23
-0:52

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

6:37 /mi

Average Pace

7:34 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:40:54

81% of race

Time at Slower Pace

37:08

19% of race

Average Pace: 7:33 /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 mi10:24:3820:456:4120:45
6:41
#4665
10K
6.21 mi10:45:2141:286:4020:43
6:40
#4345
15K
9.32 mi11:05:551:02:026:3920:34
6:37
#3975
20K
12.43 mi11:26:411:22:486:4020:46
6:41
#3686
Half
13.11 mi11:31:171:27:246:404:36
6:45
#3711
25K
15.53 mi11:47:411:43:486:4116:24
6:46
#3528
30K
18.64 mi12:09:482:05:556:4522:07
7:07
#3409
20M
20.00 mi12:20:102:16:176:4910:22
7:38
#3518
21M
21.00 mi12:28:202:24:276:538:10
8:10
#3578
35K
21.75 mi12:34:182:30:256:555:58
7:59
#3729
23M
23.00 mi12:44:472:40:547:0010:29
8:22
#3901
24M
24.00 mi12:54:442:50:517:079:57
9:57
#4374
40K
24.85 mi13:04:443:00:517:1710:00
11:42
#4992
25.2M
25.20 mi13:09:183:05:257:214:34
13:15
#5309
Finish
26.22 mi13:21:553:18:027:3412:37
12:23
#6398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4665435743573402(Top 13%)3231(Top 22%)3231(Top 67%)
10K6.21 mi3.10 mi4345+3204083+2744083+2744076(Top 16%)3833(Top 26%)3833(Top 79%)
15K9.32 mi3.11 mi3975+3703753+3303753+3303402(Top 13%)3231(Top 22%)3231(Top 67%)
20K12.43 mi3.11 mi3686+2893494+2593494+2593130(Top 12%)2978(Top 20%)2978(Top 61%)
Half13.11 mi0.68 mi3711-253517-233517-234148(Top 16%)3872(Top 27%)3872(Top 80%)
25K15.53 mi2.42 mi3528+1833345+1723345+1722995(Top 12%)2826(Top 19%)2826(Top 58%)
30K18.64 mi3.11 mi3409+1193218+1273218+1273425(Top 13%)3145(Top 22%)3145(Top 65%)
20M20.00 mi1.36 mi3518-1093300-823300-824874(Top 19%)4170(Top 29%)4170(Top 86%)
21M21.00 mi1.00 mi3578-603342-423342-424784(Top 19%)3964(Top 27%)3964(Top 82%)
35K21.75 mi0.75 mi3729-1513468-1263468-1267611(Top 30%)5541(Top 38%)5541(Top 114%)
23M23.00 mi1.25 mi3901-1723601-1333601-1337738(Top 30%)5453(Top 37%)5453(Top 112%)
24M24.00 mi1.00 mi4374-4733961-3603961-36016125(Top 63%)9576(Top 66%)9576(Top 197%)
40K24.85 mi0.85 mi4992-6184402-4414402-44119763(Top 77%)11335(Top 78%)11335(Top 234%)
25.2M25.20 mi0.35 mi5309-3174615-2134615-21320152(Top 79%)11503(Top 79%)11503(Top 237%)
Finish26.22 mi1.02 mi6398-10895307-6925307-69223716(Top 93%)13403(Top 92%)13403(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3402

Males

3231

M18-39

3231

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4076

Males

3833

M18-39

3833

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3402

Males

3231

M18-39

3231

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3130

Males

2978

M18-39

2978

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4148

Males

3872

M18-39

3872

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

2995

Males

2826

M18-39

2826

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3425

Males

3145

M18-39

3145

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4874

Males

4170

M18-39

4170

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4784

Males

3964

M18-39

3964

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7611

Males

5541

M18-39

5541

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7738

Males

5453

M18-39

5453

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16125

Males

9576

M18-39

9576

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

19763

Males

11335

M18-39

11335

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20152

Males

11503

M18-39

11503

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

23716

Males

13403

M18-39

13403

Passing Analysis

Category:
Athletes Passed
1747
Passed By
3480
Net Change
-1733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4665
5K → 10K37959+320#4665#4345
10K → 15K38414+370#4345#3975
15K → 20K30516+289#3975#3686
20K → Half1338-25#3686#3711
Half → 25K21835+183#3711#3528
25K → 30K236117+119#3528#3409
30K → 20M55164-109#3409#3518
20M → 21M65125-60#3518#3578
21M → 35K21172-151#3578#3729
35K → 23M47219-172#3729#3901
23M → 24M9482-473#3901#4374
24M → 40K5623-618#4374#4992
40K → 25.2M5322-317#4992#5309
25.2M → Finish51094-1089#5309#6398
TOTALS17473480-1733
📊

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