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BOSTON MARATHON 2024

Dennis Sperzel

MA

Bib: 26287 M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 11%
Gender (Male)
#0 / 14578
Top 18%
Division (M18-39)
#0 / 4849
Top 38%
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:42/mi
20:49
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:41/mi
41:35
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:38/mi
1:02:12
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:42/mi
1:23:02
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:39/mi
1:27:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:43/mi
1:43:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:49/mi
2:05:02
↑ 181↓ 1480.2%
138 ft elev
20M
6:59/mi
2:14:32
↑ 64↓ 500.2%
148 ft elev
21M
8:39/mi
2:23:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:12/mi
2:28:34
↑ 17↓ 861.7%
156 ft elev
23M
7:06/mi
2:37:27
↑ 23↓ 630.6%
116 ft elev
24M
7:04/mi
2:44:31
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:01/mi
2:50:31
↓ 200.3%
20 ft elev
25.2M
7:38/mi
2:53:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:29/mi
2:59:45
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:27:346:41 /mi⚡ faster
2nd Half
1:32:117:02 /mi+5.3%
Positive split — 5.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:496:423.11 mi20:49
6:42
-
10K
41:356:423.10 mi20:46
6:41
-0:01
15K
1:02:126:403.11 mi20:37
6:38
-0:03
20K
1:23:026:413.11 mi20:50
6:42
+0:04
Half(13.11 mi)
1:27:346:410.68 mi4:32
6:39
-0:03
25K
1:43:516:412.42 mi16:17
6:43
+0:04
30K
2:05:026:423.11 mi21:11
6:49
+0:06
20M
2:14:326:441.36 mi9:30
6:59
+0:10
21M
2:23:116:491.00 mi8:39
8:39
+1:40
35K
2:28:346:500.75 mi5:23
7:12
-1:27
23M
2:37:276:511.25 mi8:53
7:06
-0:06
24M
2:44:316:511.00 mi7:04
7:04
-0:02
40K
2:50:316:520.85 mi6:00
7:01
-0:03
25.2M
2:53:096:520.35 mi2:38
7:38
+0:37
Finish(26.22 mi)
2:59:456:521.02 mi6:36
6:29
-1:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:29 /mi

Average Pace

6:52 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

6:36

4% of race

Time at Steady Pace

2:27:36

82% of race

Time at Slower Pace

25:33

14% of race

Average Pace: 6:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi481144664466349033093309
10K3.10 mi4465+3464181+2854181+285419439323932
15K3.11 mi4087+3783847+3343847+334349033093309
20K3.11 mi3809+2783605+2423605+242324030753075
Half(13.11 mi)0.68 mi3782+273582+233582+23340132193219
25K2.42 mi3545+2373362+2203362+220273425862586
30K3.11 mi3125+4202963+3992963+399201219061906
20M1.36 mi2993+1322838+1252838+125232121722172
21M1.00 mi3232-2393041-2033041-203688051965196
35K0.75 mi3241-93037+43037+4373632613261
23M1.25 mi3103+1382908+1292908+129225020402040
24M1.00 mi3062+412865+432865+43254322602260
40K0.85 mi2970+922777+882777+88190217151715
25.2M0.35 mi2932+382739+382739+38176515811581
Finish(26.22 mi)1.02 mi2834+982648+912648+91133812181218

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3490

Males

3309

M18-39

3309

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4194

Males

3932

M18-39

3932

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3490

Males

3309

M18-39

3309

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3240

Males

3075

M18-39

3075

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3401

Males

3219

M18-39

3219

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2734

Males

2586

M18-39

2586

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2012

Males

1906

M18-39

1906

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2321

Males

2172

M18-39

2172

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6880

Males

5196

M18-39

5196

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

3736

Males

3261

M18-39

3261

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2250

Males

2040

M18-39

2040

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2543

Males

2260

M18-39

2260

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1902

Males

1715

M18-39

1715

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1765

Males

1581

M18-39

1581

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1338

Males

1218

M18-39

1218

Passing Analysis

Category:
Passed
2514
Passed By
537
Net Change
+1977
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4811
5K → 10K39852+346#4811#4465
10K → 15K39416+378#4465#4087
15K → 20K30123+278#4087#3809
20K → Half369+27#3809#3782
Half → 25K25518+237#3782#3545
25K → 30K43515+420#3545#3125
30K → 20M14513+132#3125#2993
20M → 21M26265-239#2993#3232
21M → 35K5059-9#3232#3241
35K → 23M15315+138#3241#3103
23M → 24M6625+41#3103#3062
24M → 40K10311+92#3062#2970
40K → 25.2M468+38#2970#2932
25.2M → Finish1068+98#2932#2834
TOTALS2514537+1977

Passing Charts

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