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BOSTON MARATHON 2024

Juan Contreras

Bib: 30562•M

IL

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
10:36/mi
32:56
↑ 97↓ 3451.5%
10K· 6.21 mi
10:15/mi
1:04:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:21/mi
1:36:55
↑ 67↓ 78
20K· 12.43 mi
12:00/mi
2:14:11
↑ 106↓ 860.1%
Half· 13.11 mi
10:58/mi
2:21:40
↑ 19↓ 370.5%
25K· 15.53 mi
13:09/mi
2:53:34
↑ 66↓ 880.2%
30K· 18.64 mi
15:09/mi
3:40:37
↑ 181↓ 1480.2%
20M
14:00/mi
3:59:39
↑ 64↓ 500.2%
21M
16:34/mi
4:16:13
↑ 106↓ 241.6%
35K· 21.75 mi
12:27/mi
4:25:32
↑ 17↓ 861.7%
23M
15:06/mi
4:44:26
↑ 23↓ 630.6%
24M
13:16/mi
4:57:42
↓ 821.3%
40K· 24.85 mi
13:08/mi
5:08:56
↓ 200.3%
25.2M
13:26/mi
5:13:34
↑ 13↓ 160.2%
Finish· 26.22 mi
10:20/mi
5:24:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:40
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time3:02:26
Pace13:55 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2432:5610:3632:56
10:36
-
10K
6.21 mi12:30:151:04:4710:2631:51
10:15
-0:21
15K
9.32 mi13:02:231:36:5510:2432:08
10:21
+0:06
20K
12.43 mi13:39:392:14:1110:4837:16
12:00
+1:39
Half
13.11 mi13:47:082:21:4010:487:29
10:58
-1:02
25K
15.53 mi14:19:022:53:3411:1031:54
13:09
+2:11
30K
18.64 mi15:06:053:40:3711:5047:03
15:09
+2:00
20M
20.00 mi15:25:073:59:3911:5919:02
14:00
-1:09
21M
21.00 mi15:41:414:16:1312:1216:34
16:34
+2:34
35K
21.75 mi15:51:004:25:3212:139:19
12:27
-4:07
23M
23.00 mi16:09:544:44:2612:2218:54
15:06
+2:39
24M
24.00 mi16:23:104:57:4212:2413:16
13:16
-1:50
40K
24.85 mi16:34:245:08:5612:2611:14
13:08
-0:08
25.2M
25.20 mi16:39:025:13:3412:274:38
13:26
+0:18
Finish
26.22 mi16:49:345:24:0612:2210:32
10:20
-3:06

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

10:15 /mi

Average Pace

12:22 /mi

Slowest Pace

16:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:12

47% of race

Time at Steady Pace

1:29:23

28% of race

Time at Slower Pace

1:22:31

25% of race

Average Pace: 12:22 /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 mi11:58:2432:5610:3632:56
10:36
#24264
10K
6.21 mi12:30:151:04:4710:2631:51
10:15
#23614
15K
9.32 mi13:02:231:36:5510:2432:08
10:21
#23297
20K
12.43 mi13:39:392:14:1110:4837:16
12:00
#23597
Half
13.11 mi13:47:082:21:4010:487:29
10:58
#23587
25K
15.53 mi14:19:022:53:3411:1031:54
13:09
#23818
30K
18.64 mi15:06:053:40:3711:5047:03
15:09
#24140
20M
20.00 mi15:25:073:59:3911:5919:02
14:00
#24124
21M
21.00 mi15:41:414:16:1312:1216:34
16:34
#24167
35K
21.75 mi15:51:004:25:3212:139:19
12:27
#24129
23M
23.00 mi16:09:544:44:2612:2218:54
15:06
#24213
24M
24.00 mi16:23:104:57:4212:2413:16
13:16
#24204
40K
24.85 mi16:34:245:08:5612:2611:14
13:08
#24173
25.2M
25.20 mi16:39:025:13:3412:274:38
13:26
#24126
Finish
26.22 mi16:49:345:24:0612:2210:32
10:20
#24036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24264141121411222624(Top 89%)13357(Top 92%)13357(Top 275%)
10K6.21 mi3.10 mi23614+65013834+27813834+27823067(Top 90%)13553(Top 93%)13553(Top 280%)
15K9.32 mi3.11 mi23297+31713687+14713687+14722624(Top 89%)13357(Top 92%)13357(Top 275%)
20K12.43 mi3.11 mi23597-30013806-11913806-11923995(Top 94%)13944(Top 96%)13944(Top 288%)
Half13.11 mi0.68 mi23587+1013800+613800+623470(Top 92%)13667(Top 94%)13667(Top 282%)
25K15.53 mi2.42 mi23818-23113888-8813888-8824338(Top 95%)14025(Top 96%)14025(Top 289%)
30K18.64 mi3.11 mi24140-32214003-11514003-11525030(Top 98%)14278(Top 98%)14278(Top 294%)
20M20.00 mi1.36 mi24124+1613981+2213981+2223958(Top 94%)13703(Top 94%)13703(Top 283%)
21M21.00 mi1.00 mi24167-4313988-713988-724854(Top 97%)14145(Top 97%)14145(Top 292%)
35K21.75 mi0.75 mi24129+3813959+2913959+2922517(Top 88%)12883(Top 88%)12883(Top 266%)
23M23.00 mi1.25 mi24213-8413988-2913988-2924717(Top 97%)14050(Top 96%)14050(Top 290%)
24M24.00 mi1.00 mi24204+913977+1113977+1123438(Top 92%)13284(Top 91%)13284(Top 274%)
40K24.85 mi0.85 mi24173+3113949+2813949+2822480(Top 88%)12749(Top 87%)12749(Top 263%)
25.2M25.20 mi0.35 mi24126+4713925+2413925+2420596(Top 81%)11748(Top 81%)11748(Top 242%)
Finish26.22 mi1.02 mi24036+9013871+5413871+5419526(Top 76%)11249(Top 77%)11249(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22624

Males

13357

M18-39

13357

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23067

Males

13553

M18-39

13553

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22624

Males

13357

M18-39

13357

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

23995

Males

13944

M18-39

13944

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

23470

Males

13667

M18-39

13667

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

24338

Males

14025

M18-39

14025

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25030

Males

14278

M18-39

14278

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

23958

Males

13703

M18-39

13703

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

24854

Males

14145

M18-39

14145

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22517

Males

12883

M18-39

12883

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24717

Males

14050

M18-39

14050

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23438

Males

13284

M18-39

13284

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

22480

Males

12749

M18-39

12749

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20596

Males

11748

M18-39

11748

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

19526

Males

11249

M18-39

11249

Passing Analysis

Category:
Athletes Passed
1524
Passed By
1296
Net Change
+228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24264
5K → 10K6599+650#24264#23614
10K → 15K34932+317#23614#23297
15K → 20K58358-300#23297#23597
20K → Half2818+10#23597#23587
Half → 25K37268-231#23587#23818
25K → 30K31353-322#23818#24140
30K → 20M4630+16#24140#24124
20M → 21M2568-43#24124#24167
21M → 35K468+38#24167#24129
35K → 23M24108-84#24129#24213
23M → 24M3425+9#24213#24204
24M → 40K4716+31#24204#24173
40K → 25.2M470+47#24173#24126
25.2M → Finish933+90#24126#24036
TOTALS15241296+228
📊

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