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BOSTON MARATHON 2024

Jeremy Fredrichsdorf

Bib: 2386•M

NC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 29%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #4744
Start → 5K
6:41/mi
20:47 split
10K· 6.21 mi
41:37
Rank: #4525 (+219)
5K → 10K
6:42/mi
20:50 split
15K· 9.32 mi
1:02:48
Rank: #4612 (-87)
10K → 15K
6:49/mi
21:11 split
20K· 12.43 mi
1:24:30
Rank: #4736 (-124)
15K → 20K
6:59/mi
21:42 split
Half· 13.11 mi
1:29:10
Rank: #4724 (+12)
20K → Half
6:50/mi
4:40 split
25K· 15.53 mi
1:46:29
Rank: #4772 (-48)
Half → 25K
7:09/mi
17:19 split
30K· 18.64 mi
2:10:09
Rank: #4895 (-123)
25K → 30K
7:37/mi
23:40 split
20M
2:20:41
Rank: #4875 (+20)
30K → 20M
7:45/mi
10:32 split
21M
2:29:15
Rank: #4884 (-9)
20M → 21M
8:34/mi
8:34 split
35K· 21.75 mi
2:35:01
Rank: #4896 (-12)
21M → 35K
7:42/mi
5:46 split
23M
2:45:07
Rank: #4864 (+32)
35K → 23M
8:04/mi
10:06 split
24M
2:53:09
Rank: #4855 (+9)
23M → 24M
8:02/mi
8:02 split
40K· 24.85 mi
3:00:28
Rank: #4911 (-56)
24M → 40K
8:33/mi
7:19 split
25.2M
3:03:29
Rank: #4883 (+28)
40K → 25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
3:10:58
Rank: #4814 (+69)
25.2M → Finish
7:21/mi
7:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:41:48
Pace7:46 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3120:476:4120:47
6:41
-
10K
6.21 mi10:43:2141:376:4220:50
6:42
+0:01
15K
9.32 mi11:04:321:02:486:4421:11
6:49
+0:07
20K
12.43 mi11:26:141:24:306:4821:42
6:59
+0:10
Half
13.11 mi11:30:541:29:106:484:40
6:50
-0:09
25K
15.53 mi11:48:131:46:296:5117:19
7:09
+0:19
30K
18.64 mi12:11:532:10:096:5923:40
7:37
+0:28
20M
20.00 mi12:22:252:20:417:0210:32
7:45
+0:08
21M
21.00 mi12:30:592:29:157:068:34
8:34
+0:49
35K
21.75 mi12:36:452:35:017:085:46
7:42
-0:52
23M
23.00 mi12:46:512:45:077:1110:06
8:04
+0:22
24M
24.00 mi12:54:532:53:097:138:02
8:02
-0:02
40K
24.85 mi13:02:123:00:287:167:19
8:33
+0:31
25.2M
25.20 mi13:05:133:03:297:173:01
8:45
+0:12
Finish
26.22 mi13:12:423:10:587:177:29
7:21
-1:24

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

6:41 /mi

Average Pace

7:17 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:29

56% of race

Time at Steady Pace

47:27

25% of race

Time at Slower Pace

37:02

19% of race

Average Pace: 7:17 /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 mi10:22:3120:476:4120:47
6:41
#4744
10K
6.21 mi10:43:2141:376:4220:50
6:42
#4525
15K
9.32 mi11:04:321:02:486:4421:11
6:49
#4612
20K
12.43 mi11:26:141:24:306:4821:42
6:59
#4736
Half
13.11 mi11:30:541:29:106:484:40
6:50
#4724
25K
15.53 mi11:48:131:46:296:5117:19
7:09
#4772
30K
18.64 mi12:11:532:10:096:5923:40
7:37
#4895
20M
20.00 mi12:22:252:20:417:0210:32
7:45
#4875
21M
21.00 mi12:30:592:29:157:068:34
8:34
#4884
35K
21.75 mi12:36:452:35:017:085:46
7:42
#4896
23M
23.00 mi12:46:512:45:077:1110:06
8:04
#4864
24M
24.00 mi12:54:532:53:097:138:02
8:02
#4855
40K
24.85 mi13:02:123:00:287:167:19
8:33
#4911
25.2M
25.20 mi13:05:133:03:297:173:01
8:45
#4883
Finish
26.22 mi13:12:423:10:587:177:29
7:21
#4814
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4744441444144901(Top 19%)4523(Top 31%)4523(Top 93%)
10K6.21 mi3.10 mi4525+2194234+1804234+1804375(Top 17%)4094(Top 28%)4094(Top 84%)
15K9.32 mi3.11 mi4612-874301-674301-674901(Top 19%)4523(Top 31%)4523(Top 93%)
20K12.43 mi3.11 mi4736-1244397-964397-965138(Top 20%)4686(Top 32%)4686(Top 97%)
Half13.11 mi0.68 mi4724+124389+84389+84786(Top 19%)4397(Top 30%)4397(Top 91%)
25K15.53 mi2.42 mi4772-484407-184407-185014(Top 20%)4489(Top 31%)4489(Top 93%)
30K18.64 mi3.11 mi4895-1234478-714478-715693(Top 22%)4801(Top 33%)4801(Top 99%)
20M20.00 mi1.36 mi4875+204449+294449+295445(Top 21%)4522(Top 31%)4522(Top 93%)
21M21.00 mi1.00 mi4884-94428+214428+216513(Top 25%)4976(Top 34%)4976(Top 103%)
35K21.75 mi0.75 mi4896-124416+124416+126096(Top 24%)4724(Top 32%)4724(Top 97%)
23M23.00 mi1.25 mi4864+324364+524364+526076(Top 24%)4570(Top 31%)4570(Top 94%)
24M24.00 mi1.00 mi4855+94328+364328+366788(Top 27%)4864(Top 33%)4864(Top 100%)
40K24.85 mi0.85 mi4911-564341-134341-138619(Top 34%)5705(Top 39%)5705(Top 118%)
25.2M25.20 mi0.35 mi4883+284307+344307+345401(Top 21%)3936(Top 27%)3936(Top 81%)
Finish26.22 mi1.02 mi4814+694234+734234+734723(Top 18%)3646(Top 25%)3646(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4901

Males

4523

M18-39

4523

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4375

Males

4094

M18-39

4094

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4901

Males

4523

M18-39

4523

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5138

Males

4686

M18-39

4686

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4786

Males

4397

M18-39

4397

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5014

Males

4489

M18-39

4489

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5693

Males

4801

M18-39

4801

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5445

Males

4522

M18-39

4522

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6513

Males

4976

M18-39

4976

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6096

Males

4724

M18-39

4724

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6076

Males

4570

M18-39

4570

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6788

Males

4864

M18-39

4864

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8619

Males

5705

M18-39

5705

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5401

Males

3936

M18-39

3936

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4723

Males

3646

M18-39

3646

Passing Analysis

Category:
Athletes Passed
1469
Passed By
1539
Net Change
-70
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4744
5K → 10K30485+219#4744#4525
10K → 15K98185-87#4525#4612
15K → 20K118242-124#4612#4736
20K → Half3523+12#4736#4724
Half → 25K168216-48#4724#4772
25K → 30K143266-123#4772#4895
30K → 20M9878+20#4895#4875
20M → 21M8998-9#4875#4884
21M → 35K4961-12#4884#4896
35K → 23M10573+32#4896#4864
23M → 24M7970+9#4864#4855
24M → 40K46102-56#4855#4911
40K → 25.2M4113+28#4911#4883
25.2M → Finish9627+69#4883#4814
TOTALS14691539-70
📊

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