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BOSTON MARATHON 2024

Samuel Elfstrom

Bib: 3067•M

MT

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 6%
Gender (Male)
#0 / 14578
Top 11%
Division (M18-39)
#0 / 4849
Top 25%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:57
Rank: #1239
Start → 5K
18:57 | 6:06/mi
10K· 6.21 mi
37:54
Rank: #1197 (+42)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
56:44
Rank: #1081 (+116)
10K → 15K
18:50 | 6:04/mi
20K· 12.43 mi
1:16:18
Rank: #1138 (-57)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:21:00
Rank: #1261 (-123)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:36:37
Rank: #1272 (-11)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
1:58:13
Rank: #1408 (-136)
25K → 30K
21:36 | 6:57/mi
20M
2:07:52
Rank: #1463 (-55)
30K → 20M
9:39 | 7:06/mi
21M
2:15:52
Rank: #1560 (-97)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:20:52
Rank: #1537 (+23)
21M → 35K
5:00 | 6:41/mi
23M
2:29:40
Rank: #1533 (+4)
35K → 23M
8:48 | 7:02/mi
24M
2:36:52
Rank: #1574 (-41)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:43:28
Rank: #1633 (-59)
24M → 40K
6:36 | 7:43/mi
25.2M
2:46:11
Rank: #1638 (-5)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:53:06
Rank: #1614 (+24)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:00
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0218:576:0618:57
6:06
-
10K
6.21 mi10:39:5937:546:0618:57
6:06
0:00
15K
9.32 mi10:58:4956:446:0518:50
6:04
-0:02
20K
12.43 mi11:18:231:16:186:0819:34
6:18
+0:14
Half
13.11 mi11:23:051:21:006:114:42
6:53
+0:35
25K
15.53 mi11:38:421:36:376:1315:37
6:26
-0:27
30K
18.64 mi12:00:181:58:136:2121:36
6:57
+0:31
20M
20.00 mi12:09:572:07:526:249:39
7:06
+0:09
21M
21.00 mi12:17:572:15:526:288:00
8:00
+0:54
35K
21.75 mi12:22:572:20:526:295:00
6:41
-1:19
23M
23.00 mi12:31:452:29:406:308:48
7:02
+0:21
24M
24.00 mi12:38:572:36:526:327:12
7:12
+0:10
40K
24.85 mi12:45:332:43:286:356:36
7:43
+0:31
25.2M
25.20 mi12:48:162:46:116:362:43
7:53
+0:10
Finish
26.22 mi12:55:112:53:066:366:55
6:47
-1:06

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

6:04 /mi

Average Pace

6:36 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:55

53% of race

Time at Steady Pace

56:40

33% of race

Time at Slower Pace

24:31

14% of race

Average Pace: 6:36 /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 mi10:21:0218:576:0618:57
6:06
#1239
10K
6.21 mi10:39:5937:546:0618:57
6:06
#1197
15K
9.32 mi10:58:4956:446:0518:50
6:04
#1081
20K
12.43 mi11:18:231:16:186:0819:34
6:18
#1138
Half
13.11 mi11:23:051:21:006:114:42
6:53
#1261
25K
15.53 mi11:38:421:36:376:1315:37
6:26
#1272
30K
18.64 mi12:00:181:58:136:2121:36
6:57
#1408
20M
20.00 mi12:09:572:07:526:249:39
7:06
#1463
21M
21.00 mi12:17:572:15:526:288:00
8:00
#1560
35K
21.75 mi12:22:572:20:526:295:00
6:41
#1537
23M
23.00 mi12:31:452:29:406:308:48
7:02
#1533
24M
24.00 mi12:38:572:36:526:327:12
7:12
#1574
40K
24.85 mi12:45:332:43:286:356:36
7:43
#1633
25.2M
25.20 mi12:48:162:46:116:362:43
7:53
#1638
Finish
26.22 mi12:55:112:53:066:366:55
6:47
#1614
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi123911981198939(Top 4%)904(Top 6%)904(Top 19%)
10K6.21 mi3.10 mi1197+421157+411157+411149(Top 4%)1110(Top 8%)1110(Top 23%)
15K9.32 mi3.11 mi1081+1161042+1151042+115939(Top 4%)904(Top 6%)904(Top 19%)
20K12.43 mi3.11 mi1138-571099-571099-571354(Top 5%)1310(Top 9%)1310(Top 27%)
Half13.11 mi0.68 mi1261-1231222-1231222-1235035(Top 20%)4578(Top 31%)4578(Top 94%)
25K15.53 mi2.42 mi1272-111228-61228-61556(Top 6%)1501(Top 10%)1501(Top 31%)
30K18.64 mi3.11 mi1408-1361359-1311359-1312609(Top 10%)2445(Top 17%)2445(Top 50%)
20M20.00 mi1.36 mi1463-551410-511410-512755(Top 11%)2536(Top 17%)2536(Top 52%)
21M21.00 mi1.00 mi1560-971502-921502-924131(Top 16%)3524(Top 24%)3524(Top 73%)
35K21.75 mi0.75 mi1537+231478+241478+241818(Top 7%)1685(Top 12%)1685(Top 35%)
23M23.00 mi1.25 mi1533+41470+81470+82023(Top 8%)1849(Top 13%)1849(Top 38%)
24M24.00 mi1.00 mi1574-411507-371507-372974(Top 12%)2591(Top 18%)2591(Top 53%)
40K24.85 mi0.85 mi1633-591562-551562-554385(Top 17%)3423(Top 23%)3423(Top 71%)
25.2M25.20 mi0.35 mi1638-51566-41566-42357(Top 9%)2043(Top 14%)2043(Top 42%)
Finish26.22 mi1.02 mi1614+241542+241542+242267(Top 9%)1969(Top 14%)1969(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

939

Males

904

M18-39

904

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1149

Males

1110

M18-39

1110

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

939

Males

904

M18-39

904

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1354

Males

1310

M18-39

1310

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5035

Males

4578

M18-39

4578

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1556

Males

1501

M18-39

1501

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2609

Males

2445

M18-39

2445

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2755

Males

2536

M18-39

2536

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4131

Males

3524

M18-39

3524

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1818

Males

1685

M18-39

1685

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2023

Males

1849

M18-39

1849

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

2974

Males

2591

M18-39

2591

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4385

Males

3423

M18-39

3423

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2357

Males

2043

M18-39

2043

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2267

Males

1969

M18-39

1969

Passing Analysis

Category:
Athletes Passed
544
Passed By
919
Net Change
-375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1239
5K → 10K8240+42#1239#1197
10K → 15K12610+116#1197#1081
15K → 20K2885-57#1081#1138
20K → Half2125-123#1138#1261
Half → 25K5061-11#1261#1272
25K → 30K40176-136#1272#1408
30K → 20M2580-55#1408#1463
20M → 21M17114-97#1463#1560
21M → 35K3916+23#1560#1537
35K → 23M4541+4#1537#1533
23M → 24M2061-41#1533#1574
24M → 40K1675-59#1574#1633
40K → 25.2M712-5#1633#1638
25.2M → Finish4723+24#1638#1614
TOTALS544919-375
📊

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