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BOSTON MARATHON 2024

Matthew Contaldi

Bib: 30515•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
9:41/mi
30:05
↑ 97↓ 3451.5%
10K· 6.21 mi
10:07/mi
1:01:30
↑ 79↓ 1380.4%
15K· 9.32 mi
10:37/mi
1:34:29
↑ 67↓ 78
20K· 12.43 mi
13:09/mi
2:15:19
↑ 106↓ 860.1%
Half· 13.11 mi
10:52/mi
2:22:44
↑ 19↓ 370.5%
25K· 15.53 mi
12:57/mi
2:54:07
↑ 66↓ 880.2%
30K· 18.64 mi
14:08/mi
3:38:03
↑ 181↓ 1480.2%
20M
13:37/mi
3:56:33
↑ 64↓ 500.2%
21M
15:40/mi
4:12:13
↑ 106↓ 241.6%
35K· 21.75 mi
12:53/mi
4:21:51
↑ 17↓ 861.7%
23M
13:38/mi
4:38:55
↑ 23↓ 630.6%
24M
12:19/mi
4:51:14
↓ 821.3%
40K· 24.85 mi
12:41/mi
5:02:05
↓ 200.3%
25.2M
13:58/mi
5:06:54
↑ 13↓ 160.2%
Finish· 26.22 mi
11:48/mi
5:18:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:44
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:56:11
Pace13:26 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2030:059:4130:05
9:41
-
10K
6.21 mi12:27:451:01:309:5431:25
10:07
+0:26
15K
9.32 mi13:00:441:34:2910:0832:59
10:37
+0:30
20K
12.43 mi13:41:342:15:1910:5340:50
13:09
+2:32
Half
13.11 mi13:48:592:22:4410:537:25
10:52
-2:17
25K
15.53 mi14:20:222:54:0711:1331:23
12:57
+2:05
30K
18.64 mi15:04:183:38:0311:4243:56
14:08
+1:11
20M
20.00 mi15:22:483:56:3311:5018:30
13:37
-0:31
21M
21.00 mi15:38:284:12:1312:0115:40
15:40
+2:03
35K
21.75 mi15:48:064:21:5112:029:38
12:53
-2:47
23M
23.00 mi16:05:104:38:5512:0817:04
13:38
+0:45
24M
24.00 mi16:17:294:51:1412:0812:19
12:19
-1:19
40K
24.85 mi16:28:205:02:0512:0910:51
12:41
+0:22
25.2M
25.20 mi16:33:095:06:5412:114:49
13:58
+1:17
Finish
26.22 mi16:45:105:18:5512:1012:01
11:48
-2:10

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

9:41 /mi

Average Pace

12:10 /mi

Slowest Pace

15:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:55

36% of race

Time at Steady Pace

2:20:35

44% of race

Time at Slower Pace

1:04:25

20% of race

Average Pace: 12:10 /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 mi11:56:2030:059:4130:05
9:41
#22235
10K
6.21 mi12:27:451:01:309:5431:25
10:07
#22551
15K
9.32 mi13:00:441:34:2910:0832:59
10:37
#22790
20K
12.43 mi13:41:342:15:1910:5340:50
13:09
#23762
Half
13.11 mi13:48:592:22:4410:537:25
10:52
#23731
25K
15.53 mi14:20:222:54:0711:1331:23
12:57
#23862
30K
18.64 mi15:04:183:38:0311:4243:56
14:08
#23987
20M
20.00 mi15:22:483:56:3311:5018:30
13:37
#23980
21M
21.00 mi15:38:284:12:1312:0115:40
15:40
#23980
35K
21.75 mi15:48:064:21:5112:029:38
12:53
#23950
23M
23.00 mi16:05:104:38:5512:0817:04
13:38
#23926
24M
24.00 mi16:17:294:51:1412:0812:19
12:19
#23870
40K
24.85 mi16:28:205:02:0512:0910:51
12:41
#23827
25.2M
25.20 mi16:33:095:06:5412:114:49
13:58
#23809
Finish
26.22 mi16:45:105:18:5512:1012:01
11:48
#23787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22235131721317223122(Top 90%)13579(Top 93%)13579(Top 280%)
10K6.21 mi3.10 mi22551-31613316-14413316-14422776(Top 89%)13408(Top 92%)13408(Top 277%)
15K9.32 mi3.11 mi22790-23913444-12813444-12823122(Top 90%)13579(Top 93%)13579(Top 280%)
20K12.43 mi3.11 mi23762-97213889-44513889-44524975(Top 98%)14346(Top 98%)14346(Top 296%)
Half13.11 mi0.68 mi23731+3113872+1713872+1723317(Top 91%)13602(Top 93%)13602(Top 281%)
25K15.53 mi2.42 mi23862-13113908-3613908-3624147(Top 95%)13937(Top 96%)13937(Top 287%)
30K18.64 mi3.11 mi23987-12513931-2313931-2324307(Top 95%)13947(Top 96%)13947(Top 288%)
20M20.00 mi1.36 mi23980+713904+2713904+2723592(Top 92%)13495(Top 93%)13495(Top 278%)
21M21.00 mi1.00 mi2398013892+1213892+1224223(Top 95%)13800(Top 95%)13800(Top 285%)
35K21.75 mi0.75 mi23950+3013874+1813874+1823085(Top 90%)13176(Top 90%)13176(Top 272%)
23M23.00 mi1.25 mi23926+2413852+2213852+2223376(Top 91%)13324(Top 91%)13324(Top 275%)
24M24.00 mi1.00 mi23870+5613810+4213810+4222034(Top 86%)12544(Top 86%)12544(Top 259%)
40K24.85 mi0.85 mi23827+4313786+2413786+2421758(Top 85%)12370(Top 85%)12370(Top 255%)
25.2M25.20 mi0.35 mi23809+1813775+1113775+1121551(Top 84%)12268(Top 84%)12268(Top 253%)
Finish26.22 mi1.02 mi23787+2213749+2613749+2622937(Top 90%)12981(Top 89%)12981(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23122

Males

13579

M18-39

13579

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

22776

Males

13408

M18-39

13408

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23122

Males

13579

M18-39

13579

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

24975

Males

14346

M18-39

14346

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

23317

Males

13602

M18-39

13602

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

24147

Males

13937

M18-39

13937

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

24307

Males

13947

M18-39

13947

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

23592

Males

13495

M18-39

13495

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

24223

Males

13800

M18-39

13800

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23085

Males

13176

M18-39

13176

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

23376

Males

13324

M18-39

13324

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22034

Males

12544

M18-39

12544

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21758

Males

12370

M18-39

12370

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21551

Males

12268

M18-39

12268

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

22937

Males

12981

M18-39

12981

Passing Analysis

Category:
Athletes Passed
702
Passed By
2254
Net Change
-1552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22235
5K → 10K98414-316#22235#22551
10K → 15K80319-239#22551#22790
15K → 20K11983-972#22790#23762
20K → Half4211+31#23762#23731
Half → 25K58189-131#23731#23862
25K → 30K59184-125#23862#23987
30K → 20M5043+7#23987#23980
20M → 21M40400#23980#23980
21M → 35K4313+30#23980#23950
35K → 23M4622+24#23950#23926
23M → 24M648+56#23926#23870
24M → 40K485+43#23870#23827
40K → 25.2M202+18#23827#23809
25.2M → Finish4321+22#23809#23787
TOTALS7022254-1552
📊

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