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BOSTON MARATHON 2024

Joshua Duncan

Bib: 6514•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Male)
#0 / 14578
Top 33%
Masters (Masters Men)
#0 / 9729
Top 22%
Division (M45-49)
#0 / 2218
Top 30%
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
6:51/mi
21:18
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
42:58
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:04:38
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:26:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:31:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:49:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:12:44
↑ 181↓ 1480.2%
20M
7:41/mi
2:23:11
↑ 64↓ 500.2%
21M
8:22/mi
2:31:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
2:37:48
↑ 17↓ 861.7%
23M
8:16/mi
2:48:09
↑ 23↓ 630.6%
24M
8:01/mi
2:56:10
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:03:31
↓ 200.3%
25.2M
10:41/mi
3:07:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:14:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:51
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:43:06
Pace7:52 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0221:186:5121:18
6:51
-
10K
6.21 mi10:48:4242:586:5521:40
6:58
+0:07
15K
9.32 mi11:10:221:04:386:5621:40
6:58
0:00
20K
12.43 mi11:32:421:26:587:0022:20
7:11
+0:13
Half
13.11 mi11:37:351:31:517:004:53
7:09
-0:02
25K
15.53 mi11:55:101:49:267:0317:35
7:15
+0:06
30K
18.64 mi12:18:282:12:447:0723:18
7:30
+0:15
20M
20.00 mi12:28:552:23:117:1010:27
7:41
+0:11
21M
21.00 mi12:37:172:31:337:138:22
8:22
+0:41
35K
21.75 mi12:43:322:37:487:156:15
8:21
-0:01
23M
23.00 mi12:53:532:48:097:1910:21
8:16
-0:05
24M
24.00 mi13:01:542:56:107:208:01
8:01
-0:15
40K
24.85 mi13:09:153:03:317:237:21
8:36
+0:35
25.2M
25.20 mi13:12:563:07:127:263:41
10:41
+2:05
Finish
26.22 mi13:20:413:14:577:267:45
7:36
-3:05

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

6:51 /mi

Average Pace

7:26 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:38

33% of race

Time at Steady Pace

1:34:19

48% of race

Time at Slower Pace

36:00

18% of race

Average Pace: 7:26 /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 mi10:27:0221:186:5121:18
6:51
#6087
10K
6.21 mi10:48:4242:586:5521:40
6:58
#6266
15K
9.32 mi11:10:221:04:386:5621:40
6:58
#6167
20K
12.43 mi11:32:421:26:587:0022:20
7:11
#6160
Half
13.11 mi11:37:351:31:517:004:53
7:09
#6170
25K
15.53 mi11:55:101:49:267:0317:35
7:15
#5997
30K
18.64 mi12:18:282:12:447:0723:18
7:30
#5686
20M
20.00 mi12:28:552:23:117:1010:27
7:41
#5570
21M
21.00 mi12:37:172:31:337:138:22
8:22
#5486
35K
21.75 mi12:43:322:37:487:156:15
8:21
#5564
23M
23.00 mi12:53:532:48:097:1910:21
8:16
#5572
24M
24.00 mi13:01:542:56:107:208:01
8:01
#5548
40K
24.85 mi13:09:153:03:317:237:21
8:36
#5603
25.2M
25.20 mi13:12:563:07:127:263:41
10:41
#5714
Finish
26.22 mi13:20:413:14:577:267:45
7:36
#5685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6087551355136057(Top 24%)5417(Top 37%)5417(Top 244%)
10K6.21 mi3.10 mi6266-1795623-1105623-1106483(Top 25%)5750(Top 39%)5750(Top 259%)
15K9.32 mi3.11 mi6167+995549+745549+746057(Top 24%)5417(Top 37%)5417(Top 244%)
20K12.43 mi3.11 mi6160+75512+375512+376299(Top 25%)5522(Top 38%)5522(Top 249%)
Half13.11 mi0.68 mi6170-105509+35509+36638(Top 26%)5748(Top 39%)5748(Top 259%)
25K15.53 mi2.42 mi5997+1735358+1515358+1515578(Top 22%)4892(Top 34%)4892(Top 221%)
30K18.64 mi3.11 mi5686+3115066+2925066+2925090(Top 20%)4413(Top 30%)4413(Top 199%)
20M20.00 mi1.36 mi5570+1164950+1164950+1165151(Top 20%)4339(Top 30%)4339(Top 196%)
21M21.00 mi1.00 mi5486+844864+864864+865604(Top 22%)4470(Top 31%)4470(Top 202%)
35K21.75 mi0.75 mi5564-784896-324896-329850(Top 39%)6668(Top 46%)6668(Top 301%)
23M23.00 mi1.25 mi5572-84872+244872+247122(Top 28%)5138(Top 35%)5138(Top 232%)
24M24.00 mi1.00 mi5548+244825+474825+476703(Top 26%)4823(Top 33%)4823(Top 217%)
40K24.85 mi0.85 mi5603-554837-124837-128816(Top 35%)5800(Top 40%)5800(Top 261%)
25.2M25.20 mi0.35 mi5714-1114895-584895-5813357(Top 52%)8059(Top 55%)8059(Top 363%)
Finish26.22 mi1.02 mi5685+294845+504845+506164(Top 24%)4417(Top 30%)4417(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6057

Males

5417

M45-49

5417

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6483

Males

5750

M45-49

5750

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6057

Males

5417

M45-49

5417

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6299

Males

5522

M45-49

5522

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6638

Males

5748

M45-49

5748

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

5578

Males

4892

M45-49

4892

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5090

Males

4413

M45-49

4413

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5151

Males

4339

M45-49

4339

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5604

Males

4470

M45-49

4470

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9850

Males

6668

M45-49

6668

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7122

Males

5138

M45-49

5138

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6703

Males

4823

M45-49

4823

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

8816

Males

5800

M45-49

5800

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13357

Males

8059

M45-49

8059

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6164

Males

4417

M45-49

4417

Passing Analysis

Category:
Athletes Passed
1786
Passed By
1384
Net Change
+402
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6087
5K → 10K116295-179#6087#6266
10K → 15K19899+99#6266#6167
15K → 20K160153+7#6167#6160
20K → Half2636-10#6160#6170
Half → 25K24269+173#6170#5997
25K → 30K37160+311#5997#5686
30K → 20M15236+116#5686#5570
20M → 21M13349+84#5570#5486
21M → 35K43121-78#5486#5564
35K → 23M105113-8#5564#5572
23M → 24M9571+24#5572#5548
24M → 40K61116-55#5548#5603
40K → 25.2M7118-111#5603#5714
25.2M → Finish7748+29#5714#5685
TOTALS17861384+402
📊

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