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BOSTON MARATHON 2024

Dennis Mehlfeld

Bib: 3699•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 13%
Gender (Male)
#0 / 14578
Top 21%
Division (M18-39)
#0 / 4849
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:35
Rank: #878
Start → 5K
18:35 | 5:59/mi
10K· 6.21 mi
37:15
Rank: #870 (+8)
5K → 10K
18:40 | 6:00/mi
15K· 9.32 mi
56:49
Rank: #1110 (-240)
10K → 15K
19:34 | 6:18/mi
20K· 12.43 mi
1:15:50
Rank: #1017 (+93)
15K → 20K
19:01 | 6:07/mi
Half· 13.11 mi
1:19:57
Rank: #1009 (+8)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:58
Rank: #960 (+49)
Half → 25K
15:01 | 6:12/mi
30K· 18.64 mi
1:55:16
Rank: #944 (+16)
25K → 30K
20:18 | 6:32/mi
20M
2:04:42
Rank: #965 (-21)
30K → 20M
9:26 | 6:57/mi
21M
2:13:57
Rank: #1260 (-295)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:19:27
Rank: #1330 (-70)
21M → 35K
5:30 | 7:21/mi
23M
2:31:41
Rank: #1871 (-541)
35K → 23M
12:14 | 9:46/mi
24M
2:40:48
Rank: #2222 (-351)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
2:48:31
Rank: #2508 (-286)
24M → 40K
7:43 | 9:02/mi
25.2M
2:52:54
Rank: #2866 (-358)
40K → 25.2M
4:23 | 12:43/mi
Finish· 26.22 mi
3:03:16
Rank: #3395 (-529)
25.2M → Finish
10:22 | 10:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:57
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
📊Positive Split: 29.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3818:355:5918:35
5:59
-
10K
6.21 mi10:39:1837:156:0018:40
6:00
+0:01
15K
9.32 mi10:58:5256:496:0619:34
6:18
+0:18
20K
12.43 mi11:17:531:15:506:0619:01
6:07
-0:11
Half
13.11 mi11:22:001:19:576:064:07
6:02
-0:05
25K
15.53 mi11:37:011:34:586:0715:01
6:12
+0:10
30K
18.64 mi11:57:191:55:166:1120:18
6:32
+0:20
20M
20.00 mi12:06:452:04:426:149:26
6:57
+0:25
21M
21.00 mi12:16:002:13:576:239:15
9:15
+2:18
35K
21.75 mi12:21:302:19:276:255:30
7:21
-1:54
23M
23.00 mi12:33:442:31:416:3612:14
9:46
+2:25
24M
24.00 mi12:42:512:40:486:429:07
9:07
-0:39
40K
24.85 mi12:50:342:48:316:477:43
9:02
-0:05
25.2M
25.20 mi12:54:572:52:546:524:23
12:43
+3:41
Finish
26.22 mi13:05:193:03:167:0010:22
10:10
-2:33

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

5:59 /mi

Average Pace

7:00 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:10:12

71% of race

Time at Slower Pace

53:04

29% of race

Average Pace: 6:59 /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 mi10:20:3818:355:5918:35
5:59
#878
10K
6.21 mi10:39:1837:156:0018:40
6:00
#870
15K
9.32 mi10:58:5256:496:0619:34
6:18
#1110
20K
12.43 mi11:17:531:15:506:0619:01
6:07
#1017
Half
13.11 mi11:22:001:19:576:064:07
6:02
#1009
25K
15.53 mi11:37:011:34:586:0715:01
6:12
#960
30K
18.64 mi11:57:191:55:166:1120:18
6:32
#944
20M
20.00 mi12:06:452:04:426:149:26
6:57
#965
21M
21.00 mi12:16:002:13:576:239:15
9:15
#1260
35K
21.75 mi12:21:302:19:276:255:30
7:21
#1330
23M
23.00 mi12:33:442:31:416:3612:14
9:46
#1871
24M
24.00 mi12:42:512:40:486:429:07
9:07
#2222
40K
24.85 mi12:50:342:48:316:477:43
9:02
#2508
25.2M
25.20 mi12:54:572:52:546:524:23
12:43
#2866
Finish
26.22 mi13:05:193:03:167:0010:22
10:10
#3395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8788488481737(Top 7%)1684(Top 12%)1684(Top 35%)
10K6.21 mi3.10 mi870+8841+7841+7895(Top 4%)862(Top 6%)862(Top 18%)
15K9.32 mi3.11 mi1110-2401071-2301071-2301737(Top 7%)1684(Top 12%)1684(Top 35%)
20K12.43 mi3.11 mi1017+93982+89982+89859(Top 3%)826(Top 6%)826(Top 17%)
Half13.11 mi0.68 mi1009+8974+8974+8886(Top 3%)856(Top 6%)856(Top 18%)
25K15.53 mi2.42 mi960+49925+49925+49840(Top 3%)808(Top 6%)808(Top 17%)
30K18.64 mi3.11 mi944+16911+14911+141156(Top 5%)1104(Top 8%)1104(Top 23%)
20M20.00 mi1.36 mi965-21928-17928-172123(Top 8%)1995(Top 14%)1995(Top 41%)
21M21.00 mi1.00 mi1260-2951215-2871215-2879679(Top 38%)6592(Top 45%)6592(Top 136%)
35K21.75 mi0.75 mi1330-701281-661281-664354(Top 17%)3691(Top 25%)3691(Top 76%)
23M23.00 mi1.25 mi1871-5411795-5141795-51414607(Top 57%)8849(Top 61%)8849(Top 182%)
24M24.00 mi1.00 mi2222-3512113-3182113-31812696(Top 50%)7889(Top 54%)7889(Top 163%)
40K24.85 mi0.85 mi2508-2862361-2482361-24810932(Top 43%)6869(Top 47%)6869(Top 142%)
25.2M25.20 mi0.35 mi2866-3582677-3162677-31619001(Top 74%)10936(Top 75%)10936(Top 226%)
Finish26.22 mi1.02 mi3395-5293124-4473124-44718964(Top 74%)10958(Top 75%)10958(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1737

Males

1684

M18-39

1684

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

895

Males

862

M18-39

862

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1737

Males

1684

M18-39

1684

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

859

Males

826

M18-39

826

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

886

Males

856

M18-39

856

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

840

Males

808

M18-39

808

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1156

Males

1104

M18-39

1104

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2123

Males

1995

M18-39

1995

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9679

Males

6592

M18-39

6592

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4354

Males

3691

M18-39

3691

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14607

Males

8849

M18-39

8849

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

12696

Males

7889

M18-39

7889

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

10932

Males

6869

M18-39

6869

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19001

Males

10936

M18-39

10936

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

18964

Males

10958

M18-39

10958

Passing Analysis

Category:
Athletes Passed
356
Passed By
2873
Net Change
-2517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#878
5K → 10K4739+8#878#870
10K → 15K3243-240#870#1110
15K → 20K1007+93#1110#1017
20K → Half146+8#1017#1009
Half → 25K6516+49#1009#960
25K → 30K6246+16#960#944
30K → 20M2849-21#944#965
20M → 21M2297-295#965#1260
21M → 35K575-70#1260#1330
35K → 23M2543-541#1330#1871
23M → 24M7358-351#1871#2222
24M → 40K7293-286#2222#2508
40K → 25.2M1359-358#2508#2866
25.2M → Finish13542-529#2866#3395
TOTALS3562873-2517
📊

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