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BOSTON MARATHON 2024

Connor O'Brien

Bib: 3142•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
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
19:13
Rank: #1558
Start → 5K
19:13 | 6:11/mi
10K· 6.21 mi
38:41
Rank: #1643 (-85)
5K → 10K
19:28 | 6:16/mi
15K· 9.32 mi
58:24
Rank: #1728 (-85)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:19:24
Rank: #2114 (-386)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:24:04
Rank: #2219 (-105)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:42:07
Rank: #2832 (-613)
Half → 25K
18:03 | 7:27/mi
30K· 18.64 mi
2:06:46
Rank: #3719 (-887)
25K → 30K
24:39 | 7:56/mi
20M
2:20:15
Rank: #4771 (-1052)
30K → 20M
13:29 | 9:55/mi
21M
2:31:35
Rank: #5494 (-723)
20M → 21M
11:20 | 11:20/mi
35K· 21.75 mi
2:41:03
Rank: #6466 (-972)
21M → 35K
9:28 | 12:39/mi
23M
3:01:30
Rank: #9331 (-2865)
35K → 23M
20:27 | 16:20/mi
24M
3:26:11
Rank: #13691 (-4360)
23M → 24M
24:41 | 24:41/mi
40K· 24.85 mi
3:53:32
Rank: #17436 (-3745)
24M → 40K
27:21 | 31:59/mi
25.2M
4:00:26
Rank: #17806 (-370)
40K → 25.2M
6:54 | 20:00/mi
Finish· 26.22 mi
4:19:38
Rank: #18925 (-1119)
25.2M → Finish
19:12 | 18:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:04
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time2:55:34
Pace13:24 /mi
📊Positive Split: 108.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5919:136:1119:13
6:11
-
10K
6.21 mi10:40:2738:416:1419:28
6:16
+0:05
15K
9.32 mi11:00:1058:246:1619:43
6:21
+0:05
20K
12.43 mi11:21:101:19:246:2321:00
6:46
+0:25
Half
13.11 mi11:25:501:24:046:254:40
6:50
+0:04
25K
15.53 mi11:43:531:42:076:3418:03
7:27
+0:37
30K
18.64 mi12:08:322:06:466:4824:39
7:56
+0:29
20M
20.00 mi12:22:012:20:157:0113:29
9:55
+1:59
21M
21.00 mi12:33:212:31:357:1311:20
11:20
+1:25
35K
21.75 mi12:42:492:41:037:249:28
12:39
+1:19
23M
23.00 mi13:03:163:01:307:5320:27
16:20
+3:41
24M
24.00 mi13:27:573:26:118:3524:41
24:41
+8:21
40K
24.85 mi13:55:183:53:329:2427:21
31:59
+7:18
25.2M
25.20 mi14:02:124:00:269:326:54
20:00
-11:59
Finish
26.22 mi14:21:244:19:389:5519:12
18:50
-1:10

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

6:11 /mi

Average Pace

9:55 /mi

Slowest Pace

31:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:41:03

62% of race

Time at Slower Pace

1:38:35

38% of race

Average Pace: 9:54 /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 mi10:20:5919:136:1119:13
6:11
#1558
10K
6.21 mi10:40:2738:416:1419:28
6:16
#1643
15K
9.32 mi11:00:1058:246:1619:43
6:21
#1728
20K
12.43 mi11:21:101:19:246:2321:00
6:46
#2114
Half
13.11 mi11:25:501:24:046:254:40
6:50
#2219
25K
15.53 mi11:43:531:42:076:3418:03
7:27
#2832
30K
18.64 mi12:08:322:06:466:4824:39
7:56
#3719
20M
20.00 mi12:22:012:20:157:0113:29
9:55
#4771
21M
21.00 mi12:33:212:31:357:1311:20
11:20
#5494
35K
21.75 mi12:42:492:41:037:249:28
12:39
#6466
23M
23.00 mi13:03:163:01:307:5320:27
16:20
#9331
24M
24.00 mi13:27:573:26:118:3524:41
24:41
#13691
40K
24.85 mi13:55:183:53:329:2427:21
31:59
#17436
25.2M
25.20 mi14:02:124:00:269:326:54
20:00
#17806
Finish
26.22 mi14:21:244:19:389:5519:12
18:50
#18925
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1558150515051951(Top 8%)1890(Top 13%)1890(Top 39%)
10K6.21 mi3.10 mi1643-851589-841589-841763(Top 7%)1706(Top 12%)1706(Top 35%)
15K9.32 mi3.11 mi1728-851674-851674-851951(Top 8%)1890(Top 13%)1890(Top 39%)
20K12.43 mi3.11 mi2114-3862043-3692043-3693590(Top 14%)3386(Top 23%)3386(Top 70%)
Half13.11 mi0.68 mi2219-1052142-992142-994844(Top 19%)4455(Top 31%)4455(Top 92%)
25K15.53 mi2.42 mi2832-6132701-5592701-5596659(Top 26%)5618(Top 39%)5618(Top 116%)
30K18.64 mi3.11 mi3719-8873492-7913492-7917501(Top 29%)5926(Top 41%)5926(Top 122%)
20M20.00 mi1.36 mi4771-10524361-8694361-86916200(Top 63%)9859(Top 68%)9859(Top 203%)
21M21.00 mi1.00 mi5494-7234871-5104871-51017220(Top 67%)10225(Top 70%)10225(Top 211%)
35K21.75 mi0.75 mi6466-9725528-6575528-65722801(Top 89%)13022(Top 89%)13022(Top 269%)
23M23.00 mi1.25 mi9331-28657111-15837111-158325167(Top 99%)14325(Top 98%)14325(Top 295%)
24M24.00 mi1.00 mi13691-43609106-19959106-199525532(Top 100%)14569(Top 100%)14569(Top 300%)
40K24.85 mi0.85 mi17436-374510728-162210728-162225541(Top 100%)14571(Top 100%)14571(Top 300%)
25.2M25.20 mi0.35 mi17806-37010878-15010878-15025367(Top 99%)14449(Top 99%)14449(Top 298%)
Finish26.22 mi1.02 mi18925-111911399-52111399-52125486(Top 100%)14534(Top 100%)14534(Top 300%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

1951

Males

1890

M18-39

1890

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1763

Males

1706

M18-39

1706

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

1951

Males

1890

M18-39

1890

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3590

Males

3386

M18-39

3386

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4844

Males

4455

M18-39

4455

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6659

Males

5618

M18-39

5618

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7501

Males

5926

M18-39

5926

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16200

Males

9859

M18-39

9859

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17220

Males

10225

M18-39

10225

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

22801

Males

13022

M18-39

13022

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

25167

Males

14325

M18-39

14325

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

25532

Males

14569

M18-39

14569

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

25541

Males

14571

M18-39

14571

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25367

Males

14449

M18-39

14449

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2stories
+22ft-21ft

Overall

25486

Males

14534

M18-39

14534

Passing Analysis

Category:
Athletes Passed
191
Passed By
17556
Net Change
-17367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1558
5K → 10K49134-85#1558#1643
10K → 15K37122-85#1643#1728
15K → 20K20406-386#1728#2114
20K → Half0105-105#2114#2219
Half → 25K9622-613#2219#2832
25K → 30K36923-887#2832#3719
30K → 20M61058-1052#3719#4771
20M → 21M10733-723#4771#5494
21M → 35K8980-972#5494#6466
35K → 23M32868-2865#6466#9331
23M → 24M04358-4360#9331#13691
24M → 40K33748-3745#13691#17436
40K → 25.2M4374-370#17436#17806
25.2M → Finish61125-1119#17806#18925
TOTALS19117556-17367
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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