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BOSTON MARATHON 2024

James Demartino

Bib: 26798•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
9:35/mi
29:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
57:52
↑ 79↓ 1380.4%
15K· 9.32 mi
9:13/mi
1:26:29
↑ 67↓ 78
20K· 12.43 mi
10:20/mi
1:58:35
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:05:35
↑ 19↓ 370.5%
25K· 15.53 mi
11:31/mi
2:33:31
↑ 66↓ 880.2%
30K· 18.64 mi
39:26/mi
4:36:01
↑ 181↓ 1480.2%
20M
9:58/mi
4:49:33
↑ 64↓ 500.2%
21M
11:18/mi
5:00:51
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
5:08:45
↑ 17↓ 861.7%
23M
10:12/mi
5:21:31
↑ 23↓ 630.6%
24M
10:21/mi
5:31:52
↓ 821.3%
40K· 24.85 mi
10:19/mi
5:40:41
↓ 200.3%
25.2M
10:55/mi
5:44:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
5:53:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:35
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time3:47:48
Pace17:23 /mi
📊Positive Split: 81.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2829:469:3529:46
9:35
-
10K
6.21 mi12:17:3457:529:1928:06
9:03
-0:32
15K
9.32 mi12:46:111:26:299:1728:37
9:13
+0:10
20K
12.43 mi13:18:171:58:359:3332:06
10:20
+1:07
Half
13.11 mi13:25:172:05:359:357:00
10:16
-0:04
25K
15.53 mi13:53:132:33:319:5327:56
11:31
+1:15
30K
18.64 mi15:55:434:36:0114:482:02:30
39:26
+27:55
20M
20.00 mi16:09:154:49:3314:2913:32
9:58
-29:28
21M
21.00 mi16:20:335:00:5114:2011:18
11:18
+1:20
35K
21.75 mi16:28:275:08:4514:127:54
10:34
-0:44
23M
23.00 mi16:41:135:21:3113:5912:46
10:12
-0:22
24M
24.00 mi16:51:345:31:5213:5010:21
10:21
+0:09
40K
24.85 mi17:00:235:40:4113:428:49
10:19
-0:02
25.2M
25.20 mi17:04:095:44:2713:403:46
10:55
+0:36
Finish
26.22 mi17:13:055:53:2313:298:56
8:46
-2:09

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

8:46 /mi

Average Pace

13:29 /mi

Slowest Pace

39:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:50:53

65% of race

Time at Slower Pace

2:02:30

35% of race

Average Pace: 13:29 /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 mi11:49:2829:469:3529:46
9:35
#21966
10K
6.21 mi12:17:3457:529:1928:06
9:03
#21023
15K
9.32 mi12:46:111:26:299:1728:37
9:13
#20585
20K
12.43 mi13:18:171:58:359:3332:06
10:20
#20801
Half
13.11 mi13:25:172:05:359:357:00
10:16
#20854
25K
15.53 mi13:53:132:33:319:5327:56
11:31
#21174
30K
18.64 mi15:55:434:36:0114:482:02:30
39:26
#25538
20M
20.00 mi16:09:154:49:3314:2913:32
9:58
#25529
21M
21.00 mi16:20:335:00:5114:2011:18
11:18
#25522
35K
21.75 mi16:28:275:08:4514:127:54
10:34
#25511
23M
23.00 mi16:41:135:21:3113:5912:46
10:12
#25474
24M
24.00 mi16:51:345:31:5213:5010:21
10:21
#25409
40K
24.85 mi17:00:235:40:4113:428:49
10:19
#25315
25.2M
25.20 mi17:04:095:44:2713:403:46
10:55
#25279
Finish
26.22 mi17:13:055:53:2313:298:56
8:46
#25150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21966130331303319772(Top 77%)12064(Top 83%)12064(Top 249%)
10K6.21 mi3.10 mi21023+94312577+45612577+45619916(Top 78%)12088(Top 83%)12088(Top 249%)
15K9.32 mi3.11 mi20585+43812408+16912408+16919772(Top 77%)12064(Top 83%)12064(Top 249%)
20K12.43 mi3.11 mi20801-21612509-10112509-10121314(Top 83%)12733(Top 87%)12733(Top 263%)
Half13.11 mi0.68 mi20854-5312531-2212531-2222182(Top 87%)13077(Top 90%)13077(Top 270%)
25K15.53 mi2.42 mi21174-32012662-13112662-13122452(Top 88%)13156(Top 90%)13156(Top 271%)
30K18.64 mi3.11 mi25538-436414569-190714569-190725550(Top 100%)14578(Top 100%)14578(Top 301%)
20M20.00 mi1.36 mi25529+914562+714562+716339(Top 64%)9919(Top 68%)9919(Top 205%)
21M21.00 mi1.00 mi25522+714559+314559+317161(Top 67%)10186(Top 70%)10186(Top 210%)
35K21.75 mi0.75 mi25511+1114554+514554+518774(Top 73%)11006(Top 75%)11006(Top 227%)
23M23.00 mi1.25 mi25474+3714542+1214542+1216120(Top 63%)9625(Top 66%)9625(Top 198%)
24M24.00 mi1.00 mi25409+6514512+3014512+3017448(Top 68%)10228(Top 70%)10228(Top 211%)
40K24.85 mi0.85 mi25315+9414473+3914473+3916118(Top 63%)9516(Top 65%)9516(Top 196%)
25.2M25.20 mi0.35 mi25279+3614453+2014453+2014310(Top 56%)8549(Top 59%)8549(Top 176%)
Finish26.22 mi1.02 mi25150+12914394+5914394+5913023(Top 51%)8003(Top 55%)8003(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

19772

Males

12064

M18-39

12064

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19916

Males

12088

M18-39

12088

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

19772

Males

12064

M18-39

12064

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

21314

Males

12733

M18-39

12733

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22182

Males

13077

M18-39

13077

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22452

Males

13156

M18-39

13156

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

25550

Males

14578

M18-39

14578

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16339

Males

9919

M18-39

9919

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17161

Males

10186

M18-39

10186

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18774

Males

11006

M18-39

11006

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16120

Males

9625

M18-39

9625

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

17448

Males

10228

M18-39

10228

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16118

Males

9516

M18-39

9516

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14310

Males

8549

M18-39

8549

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13023

Males

8003

M18-39

8003

Passing Analysis

Category:
Athletes Passed
2026
Passed By
5210
Net Change
-3184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21966
5K → 10K95714+943#21966#21023
10K → 15K47840+438#21023#20585
15K → 20K114330-216#20585#20801
20K → Half1669-53#20801#20854
Half → 25K73393-320#20854#21174
25K → 30K04364-4364#21174#25538
30K → 20M90+9#25538#25529
20M → 21M70+7#25529#25522
21M → 35K110+11#25522#25511
35K → 23M370+37#25511#25474
23M → 24M650+65#25474#25409
24M → 40K940+94#25409#25315
40K → 25.2M360+36#25315#25279
25.2M → Finish1290+129#25279#25150
TOTALS20265210-3184
📊

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