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BOSTON MARATHON 2024

Derek O'brien

Bib: 6878•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 24%
Gender (Male)
#0 / 14578
Top 35%
Masters (Masters Men)
#0 / 9729
Top 24%
Division (M45-49)
#0 / 2218
Top 34%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #5173
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
42:03
Rank: #5139 (+34)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:11
Rank: #4991 (+148)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:25:10
Rank: #5207 (-216)
15K → 20K
21:59 | 7:05/mi
Half· 13.11 mi
1:30:04
Rank: #5321 (-114)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:48:53
Rank: #5784 (-463)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:13:32
Rank: #5941 (-157)
25K → 30K
24:39 | 7:56/mi
20M
2:24:33
Rank: #5986 (-45)
30K → 20M
11:01 | 8:06/mi
21M
2:33:19
Rank: #5980 (+6)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:39:15
Rank: #5955 (+25)
21M → 35K
5:56 | 7:56/mi
23M
2:49:57
Rank: #6027 (-72)
35K → 23M
10:42 | 8:33/mi
24M
2:57:48
Rank: #5949 (+78)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:05:20
Rank: #6025 (-76)
24M → 40K
7:32 | 8:49/mi
25.2M
3:08:42
Rank: #6058 (-33)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:17:08
Rank: #6177 (-119)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:04
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:47:04
Pace8:10 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5920:576:4520:57
6:45
-
10K
6.21 mi10:47:0542:036:4621:06
6:47
+0:02
15K
9.32 mi11:08:131:03:116:4721:08
6:48
+0:01
20K
12.43 mi11:30:121:25:106:5121:59
7:05
+0:17
Half
13.11 mi11:35:061:30:046:524:54
7:11
+0:06
25K
15.53 mi11:53:551:48:537:0118:49
7:46
+0:35
30K
18.64 mi12:18:342:13:327:1024:39
7:56
+0:10
20M
20.00 mi12:29:352:24:337:1411:01
8:06
+0:10
21M
21.00 mi12:38:212:33:197:188:46
8:46
+0:40
35K
21.75 mi12:44:172:39:157:195:56
7:56
-0:50
23M
23.00 mi12:54:592:49:577:2310:42
8:33
+0:37
24M
24.00 mi13:02:502:57:487:257:51
7:51
-0:42
40K
24.85 mi13:10:223:05:207:277:32
8:49
+0:58
25.2M
25.20 mi13:13:443:08:427:293:22
9:46
+0:57
Finish
26.22 mi13:22:103:17:087:318:26
8:17
-1:29

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

6:45 /mi

Average Pace

7:31 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:04

46% of race

Time at Steady Pace

1:16:42

39% of race

Time at Slower Pace

30:22

15% of race

Average Pace: 7:31 /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 mi10:25:5920:576:4520:57
6:45
#5173
10K
6.21 mi10:47:0542:036:4621:06
6:47
#5139
15K
9.32 mi11:08:131:03:116:4721:08
6:48
#4991
20K
12.43 mi11:30:121:25:106:5121:59
7:05
#5207
Half
13.11 mi11:35:061:30:046:524:54
7:11
#5321
25K
15.53 mi11:53:551:48:537:0118:49
7:46
#5784
30K
18.64 mi12:18:342:13:327:1024:39
7:56
#5941
20M
20.00 mi12:29:352:24:337:1411:01
8:06
#5986
21M
21.00 mi12:38:212:33:197:188:46
8:46
#5980
35K
21.75 mi12:44:172:39:157:195:56
7:56
#5955
23M
23.00 mi12:54:592:49:577:2310:42
8:33
#6027
24M
24.00 mi13:02:502:57:487:257:51
7:51
#5949
40K
24.85 mi13:10:223:05:207:277:32
8:49
#6025
25.2M
25.20 mi13:13:443:08:427:293:22
9:46
#6058
Finish
26.22 mi13:22:103:17:087:318:26
8:17
#6177
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5173478247824751(Top 19%)4402(Top 30%)4402(Top 198%)
10K6.21 mi3.10 mi5139+344755+274755+275115(Top 20%)4728(Top 32%)4728(Top 213%)
15K9.32 mi3.11 mi4991+1484622+1334622+1334751(Top 19%)4402(Top 30%)4402(Top 198%)
20K12.43 mi3.11 mi5207-2164795-1734795-1735664(Top 22%)5073(Top 35%)5073(Top 229%)
Half13.11 mi0.68 mi5321-1144876-814876-816818(Top 27%)5863(Top 40%)5863(Top 264%)
25K15.53 mi2.42 mi5784-4635206-3305206-3308671(Top 34%)6793(Top 47%)6793(Top 306%)
30K18.64 mi3.11 mi5941-1575251-455251-457486(Top 29%)5911(Top 41%)5911(Top 267%)
20M20.00 mi1.36 mi5986-455253-25253-27332(Top 29%)5626(Top 39%)5626(Top 254%)
21M21.00 mi1.00 mi5980+65218+355218+357450(Top 29%)5509(Top 38%)5509(Top 248%)
35K21.75 mi0.75 mi5955+255185+335185+337315(Top 29%)5391(Top 37%)5391(Top 243%)
23M23.00 mi1.25 mi6027-725186-15186-18691(Top 34%)5942(Top 41%)5942(Top 268%)
24M24.00 mi1.00 mi5949+785105+815105+815811(Top 23%)4362(Top 30%)4362(Top 197%)
40K24.85 mi0.85 mi6025-765121-165121-169910(Top 39%)6350(Top 44%)6350(Top 286%)
25.2M25.20 mi0.35 mi6058-335123-25123-29839(Top 39%)6249(Top 43%)6249(Top 282%)
Finish26.22 mi1.02 mi6177-1195167-445167-4410151(Top 40%)6541(Top 45%)6541(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4751

Males

4402

M45-49

4402

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5115

Males

4728

M45-49

4728

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4751

Males

4402

M45-49

4402

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5664

Males

5073

M45-49

5073

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

6818

Males

5863

M45-49

5863

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8671

Males

6793

M45-49

6793

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7486

Males

5911

M45-49

5911

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7332

Males

5626

M45-49

5626

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7450

Males

5509

M45-49

5509

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7315

Males

5391

M45-49

5391

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8691

Males

5942

M45-49

5942

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

5811

Males

4362

M45-49

4362

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9910

Males

6350

M45-49

6350

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

9839

Males

6249

M45-49

6249

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10151

Males

6541

M45-49

6541

Passing Analysis

Category:
Athletes Passed
1343
Passed By
2347
Net Change
-1004
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5173
5K → 10K204170+34#5173#5139
10K → 15K22375+148#5139#4991
15K → 20K111327-216#4991#5207
20K → Half5119-114#5207#5321
Half → 25K54517-463#5321#5784
25K → 30K157314-157#5784#5941
30K → 20M88133-45#5941#5986
20M → 21M10195+6#5986#5980
21M → 35K7853+25#5980#5955
35K → 23M85157-72#5955#6027
23M → 24M11537+78#6027#5949
24M → 40K59135-76#5949#6025
40K → 25.2M2760-33#6025#6058
25.2M → Finish36155-119#6058#6177
TOTALS13432347-1004
📊

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