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BOSTON MARATHON 2024

Sean Sperzel

Bib: 26283•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:51/mi
24:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:15:05
↑ 67↓ 78
20K· 12.43 mi
8:44/mi
1:42:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:48:10
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:10:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:40:40
↑ 181↓ 1480.2%
20M
10:05/mi
2:54:22
↑ 64↓ 500.2%
21M
13:08/mi
3:07:30
↑ 106↓ 241.6%
35K· 21.75 mi
10:55/mi
3:15:40
↑ 17↓ 861.7%
23M
10:37/mi
3:28:58
↑ 23↓ 630.6%
24M
10:39/mi
3:39:37
↓ 821.3%
40K· 24.85 mi
11:03/mi
3:49:04
↓ 200.3%
25.2M
12:37/mi
3:53:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:45/mi
4:03:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:10
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:15:11
Pace10:19 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:5824:247:5124:24
7:51
-
10K
6.21 mi12:05:4949:157:5624:51
8:00
+0:09
15K
9.32 mi12:31:391:15:058:0325:50
8:19
+0:19
20K
12.43 mi12:58:481:42:148:1427:09
8:44
+0:25
Half
13.11 mi13:04:441:48:108:155:56
8:42
-0:02
25K
15.53 mi13:26:502:10:168:2322:06
9:07
+0:25
30K
18.64 mi13:57:142:40:408:3730:24
9:47
+0:40
20M
20.00 mi14:10:562:54:228:4313:42
10:05
+0:18
21M
21.00 mi14:24:043:07:308:5613:08
13:08
+3:03
35K
21.75 mi14:32:143:15:409:008:10
10:55
-2:13
23M
23.00 mi14:45:323:28:589:0513:18
10:37
-0:18
24M
24.00 mi14:56:113:39:379:0910:39
10:39
+0:02
40K
24.85 mi15:05:383:49:049:139:27
11:03
+0:24
25.2M
25.20 mi15:09:593:53:259:164:21
12:37
+1:34
Finish
26.22 mi15:19:554:03:219:179:56
9:45
-2:52

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

7:51 /mi

Average Pace

9:17 /mi

Slowest Pace

13:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:10

44% of race

Time at Steady Pace

1:16:08

31% of race

Time at Slower Pace

59:03

24% of race

Average Pace: 9:17 /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 mi11:40:5824:247:5124:24
7:51
#13513
10K
6.21 mi12:05:4949:157:5624:51
8:00
#13854
15K
9.32 mi12:31:391:15:058:0325:50
8:19
#14422
20K
12.43 mi12:58:481:42:148:1427:09
8:44
#14886
Half
13.11 mi13:04:441:48:108:155:56
8:42
#14991
25K
15.53 mi13:26:502:10:168:2322:06
9:07
#15121
30K
18.64 mi13:57:142:40:408:3730:24
9:47
#15436
20M
20.00 mi14:10:562:54:228:4313:42
10:05
#15594
21M
21.00 mi14:24:043:07:308:5613:08
13:08
#16205
35K
21.75 mi14:32:143:15:409:008:10
10:55
#16401
23M
23.00 mi14:45:323:28:589:0513:18
10:37
#16512
24M
24.00 mi14:56:113:39:379:0910:39
10:39
#16630
40K
24.85 mi15:05:383:49:049:139:27
11:03
#16689
25.2M
25.20 mi15:09:593:53:259:164:21
12:37
#16741
Finish
26.22 mi15:19:554:03:219:179:56
9:45
#16752
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi135139474947415347(Top 60%)10138(Top 70%)10138(Top 209%)
10K6.21 mi3.10 mi13854-3419568-949568-9414202(Top 56%)9720(Top 67%)9720(Top 200%)
15K9.32 mi3.11 mi14422-5689804-2369804-23615347(Top 60%)10138(Top 70%)10138(Top 209%)
20K12.43 mi3.11 mi14886-4649972-1689972-16816030(Top 63%)10384(Top 71%)10384(Top 214%)
Half13.11 mi0.68 mi14991-10510007-3510007-3516785(Top 66%)10649(Top 73%)10649(Top 220%)
25K15.53 mi2.42 mi15121-13010015-810015-816049(Top 63%)10269(Top 70%)10269(Top 212%)
30K18.64 mi3.11 mi15436-31510065-5010065-5016572(Top 65%)10258(Top 70%)10258(Top 212%)
20M20.00 mi1.36 mi15594-15810089-2410089-2416742(Top 66%)10128(Top 69%)10128(Top 209%)
21M21.00 mi1.00 mi16205-61110306-21710306-21720963(Top 82%)12140(Top 83%)12140(Top 250%)
35K21.75 mi0.75 mi16401-19610376-7010376-7019601(Top 77%)11426(Top 78%)11426(Top 236%)
23M23.00 mi1.25 mi16512-11110384-810384-817363(Top 68%)10237(Top 70%)10237(Top 211%)
24M24.00 mi1.00 mi16630-11810410-2610410-2618269(Top 72%)10633(Top 73%)10633(Top 219%)
40K24.85 mi0.85 mi16689-5910398+1210398+1218211(Top 71%)10568(Top 72%)10568(Top 218%)
25.2M25.20 mi0.35 mi16741-5210409-1110409-1118754(Top 73%)10817(Top 74%)10817(Top 223%)
Finish26.22 mi1.02 mi16752-1110377+3210377+3217515(Top 69%)10209(Top 70%)10209(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15347

Males

10138

M18-39

10138

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14202

Males

9720

M18-39

9720

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15347

Males

10138

M18-39

10138

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16030

Males

10384

M18-39

10384

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

16785

Males

10649

M18-39

10649

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16049

Males

10269

M18-39

10269

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

16572

Males

10258

M18-39

10258

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16742

Males

10128

M18-39

10128

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

20963

Males

12140

M18-39

12140

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

19601

Males

11426

M18-39

11426

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17363

Males

10237

M18-39

10237

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18269

Males

10633

M18-39

10633

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18211

Males

10568

M18-39

10568

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

18754

Males

10817

M18-39

10817

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

17515

Males

10209

M18-39

10209

Passing Analysis

Category:
Athletes Passed
1171
Passed By
4410
Net Change
-3239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13513
5K → 10K190531-341#13513#13854
10K → 15K95663-568#13854#14422
15K → 20K110574-464#14422#14886
20K → Half18123-105#14886#14991
Half → 25K176306-130#14991#15121
25K → 30K171486-315#15121#15436
30K → 20M77235-158#15436#15594
20M → 21M12623-611#15594#16205
21M → 35K32228-196#16205#16401
35K → 23M77188-111#16401#16512
23M → 24M49167-118#16512#16630
24M → 40K65124-59#16630#16689
40K → 25.2M2274-52#16689#16741
25.2M → Finish7788-11#16741#16752
TOTALS11714410-3239
📊

Passing Visuals

Category:
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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