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BOSTON MARATHON 2024

Gregory Szczepanski

Bib: 30037•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
32:24
Rank: #23947
Start → 5K
32:24 | 10:26/mi
10K· 6.21 mi
1:04:38
Rank: #23564 (+383)
5K → 10K
32:14 | 10:22/mi
15K· 9.32 mi
1:35:47
Rank: #23079 (+485)
10K → 15K
31:09 | 10:02/mi
20K· 12.43 mi
2:10:30
Rank: #23037 (+42)
15K → 20K
34:43 | 11:10/mi
Half· 13.11 mi
2:16:54
Rank: #22874 (+163)
20K → Half
6:24 | 9:23/mi
25K· 15.53 mi
2:50:33
Rank: #23521 (-647)
Half → 25K
33:39 | 13:53/mi
30K· 18.64 mi
3:22:52
Rank: #22745 (+776)
25K → 30K
32:19 | 10:24/mi
20M
3:39:14
Rank: #22654 (+91)
30K → 20M
16:22 | 12:03/mi
21M
3:51:25
Rank: #22484 (+170)
20M → 21M
12:11 | 12:11/mi
35K· 21.75 mi
4:00:34
Rank: #22473 (+11)
21M → 35K
9:09 | 12:14/mi
23M
4:15:18
Rank: #22374 (+99)
35K → 23M
14:44 | 11:46/mi
24M
4:26:06
Rank: #22213 (+161)
23M → 24M
10:48 | 10:48/mi
40K· 24.85 mi
4:36:27
Rank: #22162 (+51)
24M → 40K
10:21 | 12:06/mi
25.2M
4:40:38
Rank: #22114 (+48)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:50:08
Rank: #21930 (+184)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:54
Pace10:27 /mi
2nd Half
Distance13.11 mi
Time2:33:14
Pace11:41 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:1032:2410:2632:24
10:26
-
10K
6.21 mi12:30:241:04:3810:2432:14
10:22
-0:04
15K
9.32 mi13:01:331:35:4710:1731:09
10:02
-0:20
20K
12.43 mi13:36:162:10:3010:3034:43
11:10
+1:08
Half
13.11 mi13:42:402:16:5410:276:24
9:23
-1:47
25K
15.53 mi14:16:192:50:3310:5933:39
13:53
+4:30
30K
18.64 mi14:48:383:22:5210:5332:19
10:24
-3:29
20M
20.00 mi15:05:003:39:1410:5816:22
12:03
+1:39
21M
21.00 mi15:17:113:51:2511:0112:11
12:11
+0:08
35K
21.75 mi15:26:204:00:3411:049:09
12:14
+0:03
23M
23.00 mi15:41:044:15:1811:0614:44
11:46
-0:28
24M
24.00 mi15:51:524:26:0611:0510:48
10:48
-0:58
40K
24.85 mi16:02:134:36:2711:0710:21
12:06
+1:18
25.2M
25.20 mi16:06:244:40:3811:084:11
12:08
+0:02
Finish
26.22 mi16:15:544:50:0811:049:30
9:19
-2:49

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

9:19 /mi

Average Pace

11:04 /mi

Slowest Pace

13:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:00

50% of race

Time at Steady Pace

1:00:15

21% of race

Time at Slower Pace

1:25:53

30% of race

Average Pace: 11:04 /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 mi11:58:1032:2410:2632:24
10:26
#23947
10K
6.21 mi12:30:241:04:3810:2432:14
10:22
#23564
15K
9.32 mi13:01:331:35:4710:1731:09
10:02
#23079
20K
12.43 mi13:36:162:10:3010:3034:43
11:10
#23037
Half
13.11 mi13:42:402:16:5410:276:24
9:23
#22874
25K
15.53 mi14:16:192:50:3310:5933:39
13:53
#23521
30K
18.64 mi14:48:383:22:5210:5332:19
10:24
#22745
20M
20.00 mi15:05:003:39:1410:5816:22
12:03
#22654
21M
21.00 mi15:17:113:51:2511:0112:11
12:11
#22484
35K
21.75 mi15:26:204:00:3411:049:09
12:14
#22473
23M
23.00 mi15:41:044:15:1811:0614:44
11:46
#22374
24M
24.00 mi15:51:524:26:0611:0510:48
10:48
#22213
40K
24.85 mi16:02:134:36:2711:0710:21
12:06
#22162
25.2M
25.20 mi16:06:244:40:3811:084:11
12:08
#22114
Finish
26.22 mi16:15:544:50:0811:049:30
9:19
#21930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23947139751397521995(Top 86%)13077(Top 90%)13077(Top 270%)
10K6.21 mi3.10 mi23564+38313808+16713808+16723314(Top 91%)13678(Top 94%)13678(Top 282%)
15K9.32 mi3.11 mi23079+48513578+23013578+23021995(Top 86%)13077(Top 90%)13077(Top 270%)
20K12.43 mi3.11 mi23037+4213562+1613562+1622921(Top 90%)13462(Top 92%)13462(Top 278%)
Half13.11 mi0.68 mi22874+16313479+8313479+8319678(Top 77%)11936(Top 82%)11936(Top 246%)
25K15.53 mi2.42 mi23521-64713738-25913738-25924852(Top 97%)14253(Top 98%)14253(Top 294%)
30K18.64 mi3.11 mi22745+77613344+39413344+39418535(Top 73%)11174(Top 77%)11174(Top 230%)
20M20.00 mi1.36 mi22654+9113279+6513279+6521436(Top 84%)12417(Top 85%)12417(Top 256%)
21M21.00 mi1.00 mi22484+17013186+9313186+9319217(Top 75%)11259(Top 77%)11259(Top 232%)
35K21.75 mi0.75 mi22473+1113168+1813168+1822180(Top 87%)12693(Top 87%)12693(Top 262%)
23M23.00 mi1.25 mi22374+9913103+6513103+6520251(Top 79%)11693(Top 80%)11693(Top 241%)
24M24.00 mi1.00 mi22213+16113005+9813005+9818695(Top 73%)10852(Top 74%)10852(Top 224%)
40K24.85 mi0.85 mi22162+5112957+4812957+4820654(Top 81%)11789(Top 81%)11789(Top 243%)
25.2M25.20 mi0.35 mi22114+4812925+3212925+3217644(Top 69%)10257(Top 70%)10257(Top 212%)
Finish26.22 mi1.02 mi21930+18412819+10612819+10615722(Top 62%)9318(Top 64%)9318(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

21995

Males

13077

M18-39

13077

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

23314

Males

13678

M18-39

13678

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

21995

Males

13077

M18-39

13077

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

22921

Males

13462

M18-39

13462

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

19678

Males

11936

M18-39

11936

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

24852

Males

14253

M18-39

14253

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

18535

Males

11174

M18-39

11174

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

21436

Males

12417

M18-39

12417

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19217

Males

11259

M18-39

11259

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

22180

Males

12693

M18-39

12693

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20251

Males

11693

M18-39

11693

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

18695

Males

10852

M18-39

10852

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20654

Males

11789

M18-39

11789

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

17644

Males

10257

M18-39

10257

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15722

Males

9318

M18-39

9318

Passing Analysis

Category:
Athletes Passed
2999
Passed By
982
Net Change
+2017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23947
5K → 10K43956+383#23947#23564
10K → 15K4949+485#23564#23079
15K → 20K178136+42#23079#23037
20K → Half1630+163#23037#22874
Half → 25K19666-647#22874#23521
25K → 30K7760+776#23521#22745
30K → 20M12231+91#22745#22654
20M → 21M1766+170#22654#22484
21M → 35K4938+11#22484#22473
35K → 23M11112+99#22473#22374
23M → 24M1643+161#22374#22213
24M → 40K7120+51#22213#22162
40K → 25.2M513+48#22162#22114
25.2M → Finish1862+184#22114#21930
TOTALS2999982+2017
📊

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