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BOSTON MARATHON 2024

David Nelson

Bib: 2524•M

SC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Division (M18-39)
#0 / 4849
Top 30%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1399
Start → 5K
19:06 | 6:09/mi
10K· 6.21 mi
38:24
Rank: #1460 (-61)
5K → 10K
19:18 | 6:13/mi
15K· 9.32 mi
57:32
Rank: #1379 (+81)
10K → 15K
19:08 | 6:10/mi
20K· 12.43 mi
1:16:56
Rank: #1299 (+80)
15K → 20K
19:24 | 6:15/mi
Half· 13.11 mi
1:21:08
Rank: #1291 (+8)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:23
Rank: #1222 (+69)
Half → 25K
15:15 | 6:17/mi
30K· 18.64 mi
1:56:38
Rank: #1159 (+63)
25K → 30K
20:15 | 6:31/mi
20M
2:05:40
Rank: #1118 (+41)
30K → 20M
9:02 | 6:39/mi
21M
2:12:47
Rank: #1093 (+25)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:18:03
Rank: #1136 (-43)
21M → 35K
5:16 | 7:02/mi
23M
2:27:51
Rank: #1277 (-141)
35K → 23M
9:48 | 7:50/mi
24M
2:36:25
Rank: #1504 (-227)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
2:43:44
Rank: #1681 (-177)
24M → 40K
7:19 | 8:33/mi
25.2M
2:46:59
Rank: #1750 (-69)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
2:55:35
Rank: #1983 (-233)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:08
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:34:27
Pace7:12 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3119:066:0919:06
6:09
-
10K
6.21 mi10:39:4938:246:1119:18
6:13
+0:04
15K
9.32 mi10:58:5757:326:1019:08
6:10
-0:03
20K
12.43 mi11:18:211:16:566:1119:24
6:15
+0:05
Half
13.11 mi11:22:331:21:086:114:12
6:09
-0:06
25K
15.53 mi11:37:481:36:236:1215:15
6:17
+0:08
30K
18.64 mi11:58:031:56:386:1520:15
6:31
+0:14
20M
20.00 mi12:07:052:05:406:179:02
6:39
+0:08
21M
21.00 mi12:14:122:12:476:197:07
7:07
+0:28
35K
21.75 mi12:19:282:18:036:215:16
7:02
-0:05
23M
23.00 mi12:29:162:27:516:269:48
7:50
+0:48
24M
24.00 mi12:37:502:36:256:318:34
8:34
+0:44
40K
24.85 mi12:45:092:43:446:357:19
8:33
-0:01
25.2M
25.20 mi12:48:242:46:596:383:15
9:25
+0:52
Finish
26.22 mi12:57:002:55:356:428:36
8:26
-0:59

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

6:09 /mi

Average Pace

6:42 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:18:03

79% of race

Time at Slower Pace

37:32

21% of race

Average Pace: 6:42 /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 mi10:20:3119:066:0919:06
6:09
#1399
10K
6.21 mi10:39:4938:246:1119:18
6:13
#1460
15K
9.32 mi10:58:5757:326:1019:08
6:10
#1379
20K
12.43 mi11:18:211:16:566:1119:24
6:15
#1299
Half
13.11 mi11:22:331:21:086:114:12
6:09
#1291
25K
15.53 mi11:37:481:36:236:1215:15
6:17
#1222
30K
18.64 mi11:58:031:56:386:1520:15
6:31
#1159
20M
20.00 mi12:07:052:05:406:179:02
6:39
#1118
21M
21.00 mi12:14:122:12:476:197:07
7:07
#1093
35K
21.75 mi12:19:282:18:036:215:16
7:02
#1136
23M
23.00 mi12:29:162:27:516:269:48
7:50
#1277
24M
24.00 mi12:37:502:36:256:318:34
8:34
#1504
40K
24.85 mi12:45:092:43:446:357:19
8:33
#1681
25.2M
25.20 mi12:48:242:46:596:383:15
9:25
#1750
Finish
26.22 mi12:57:002:55:356:428:36
8:26
#1983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1399135013501240(Top 5%)1203(Top 8%)1203(Top 25%)
10K6.21 mi3.10 mi1460-611415-651415-651549(Top 6%)1502(Top 10%)1502(Top 31%)
15K9.32 mi3.11 mi1379+811337+781337+781240(Top 5%)1203(Top 8%)1203(Top 25%)
20K12.43 mi3.11 mi1299+801258+791258+791188(Top 5%)1150(Top 8%)1150(Top 24%)
Half13.11 mi0.68 mi1291+81250+81250+81192(Top 5%)1156(Top 8%)1156(Top 24%)
25K15.53 mi2.42 mi1222+691182+681182+681110(Top 4%)1072(Top 7%)1072(Top 22%)
30K18.64 mi3.11 mi1159+631119+631119+631100(Top 4%)1051(Top 7%)1051(Top 22%)
20M20.00 mi1.36 mi1118+411078+411078+411216(Top 5%)1153(Top 8%)1153(Top 24%)
21M21.00 mi1.00 mi1093+251051+271051+271351(Top 5%)1276(Top 9%)1276(Top 26%)
35K21.75 mi0.75 mi1136-431092-411092-413185(Top 12%)2843(Top 20%)2843(Top 59%)
23M23.00 mi1.25 mi1277-1411228-1361228-1364900(Top 19%)3910(Top 27%)3910(Top 81%)
24M24.00 mi1.00 mi1504-2271441-2131441-2139802(Top 38%)6428(Top 44%)6428(Top 133%)
40K24.85 mi0.85 mi1681-1771608-1671608-1678612(Top 34%)5698(Top 39%)5698(Top 118%)
25.2M25.20 mi0.35 mi1750-691675-671675-678326(Top 33%)5469(Top 38%)5469(Top 113%)
Finish26.22 mi1.02 mi1983-2331888-2131888-21311139(Top 44%)7054(Top 48%)7054(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1240

Males

1203

M18-39

1203

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1549

Males

1502

M18-39

1502

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1240

Males

1203

M18-39

1203

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1188

Males

1150

M18-39

1150

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1192

Males

1156

M18-39

1156

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1110

Males

1072

M18-39

1072

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1100

Males

1051

M18-39

1051

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1216

Males

1153

M18-39

1153

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1351

Males

1276

M18-39

1276

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3185

Males

2843

M18-39

2843

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4900

Males

3910

M18-39

3910

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9802

Males

6428

M18-39

6428

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8612

Males

5698

M18-39

5698

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8326

Males

5469

M18-39

5469

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11139

Males

7054

M18-39

7054

Passing Analysis

Category:
Athletes Passed
583
Passed By
1167
Net Change
-584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1399
5K → 10K45106-61#1399#1460
10K → 15K10322+81#1460#1379
15K → 20K9818+80#1379#1299
20K → Half124+8#1299#1291
Half → 25K8617+69#1291#1222
25K → 30K9734+63#1222#1159
30K → 20M6120+41#1159#1118
20M → 21M4520+25#1118#1093
21M → 35K1255-43#1093#1136
35K → 23M6147-141#1136#1277
23M → 24M1228-227#1277#1504
24M → 40K5182-177#1504#1681
40K → 25.2M675-69#1681#1750
25.2M → Finish6239-233#1750#1983
TOTALS5831167-584
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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