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BOSTON MARATHON 2023

Darragh O'Brien O'Leary

Bib: 30230•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:49/mi
21:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:28/mi
41:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:53
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:22:42
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:27:16
↑ 19↓ 370.5%
25K· 15.53 mi
6:53/mi
1:43:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:07:26
↑ 181↓ 1480.2%
20M
7:22/mi
2:17:27
↑ 64↓ 500.2%
21M
7:54/mi
2:25:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:01/mi
2:30:36
↑ 17↓ 861.7%
23M
7:23/mi
2:39:51
↑ 23↓ 630.6%
24M
7:31/mi
2:47:22
↓ 821.3%
40K· 24.85 mi
7:49/mi
2:54:03
↓ 200.3%
25.2M
8:16/mi
2:56:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:04:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:16
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:37:05
Pace7:24 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:2321:116:4921:11
6:49
-
10K
6.21 mi11:59:2841:166:3820:05
6:28
-0:21
15K
9.32 mi12:20:051:01:536:3820:37
6:38
+0:10
20K
12.43 mi12:40:541:22:426:3920:49
6:42
+0:04
Half
13.11 mi12:45:281:27:166:394:34
6:42
0:00
25K
15.53 mi13:02:101:43:586:4216:42
6:53
+0:11
30K
18.64 mi13:25:382:07:266:5023:28
7:33
+0:40
20M
20.00 mi13:35:392:17:276:5210:01
7:22
-0:11
21M
21.00 mi13:43:332:25:216:557:54
7:54
+0:32
35K
21.75 mi13:48:482:30:366:555:15
7:01
-0:53
23M
23.00 mi13:58:032:39:516:579:15
7:23
+0:22
24M
24.00 mi14:05:342:47:226:587:31
7:31
+0:08
40K
24.85 mi14:12:152:54:037:006:41
7:49
+0:18
25.2M
25.20 mi14:15:062:56:547:012:51
8:16
+0:27
Finish
26.22 mi14:22:333:04:217:027:27
7:19
-0:57

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

6:28 /mi

Average Pace

7:02 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:13

59% of race

Time at Steady Pace

57:42

31% of race

Time at Slower Pace

17:26

9% of race

Average Pace: 7:02 /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 mi11:39:2321:116:4921:11
6:49
#4853
10K
6.21 mi11:59:2841:166:3820:05
6:28
#3465
15K
9.32 mi12:20:051:01:536:3820:37
6:38
#3476
20K
12.43 mi12:40:541:22:426:3920:49
6:42
#3494
Half
13.11 mi12:45:281:27:166:394:34
6:42
#3516
25K
15.53 mi13:02:101:43:586:4216:42
6:53
#3713
30K
18.64 mi13:25:382:07:266:5023:28
7:33
#4635
20M
20.00 mi13:35:392:17:276:5210:01
7:22
#4775
21M
21.00 mi13:43:332:25:216:557:54
7:54
#4892
35K
21.75 mi13:48:482:30:366:555:15
7:01
#4907
23M
23.00 mi13:58:032:39:516:579:15
7:23
#4918
24M
24.00 mi14:05:342:47:226:587:31
7:31
#5008
40K
24.85 mi14:12:152:54:037:006:41
7:49
#5070
25.2M
25.20 mi14:15:062:56:547:012:51
8:16
#5090
Finish
26.22 mi14:22:333:04:217:027:27
7:19
#5124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4853451245123594(Top 14%)3398(Top 22%)3398(Top 64%)
10K6.21 mi3.10 mi3465+13883273+12393273+12392592(Top 10%)2478(Top 16%)2478(Top 47%)
15K9.32 mi3.11 mi3476-113293-203293-203594(Top 14%)3398(Top 22%)3398(Top 64%)
20K12.43 mi3.11 mi3494-183311-183311-183597(Top 14%)3404(Top 22%)3404(Top 64%)
Half13.11 mi0.68 mi3516-223331-203331-204329(Top 16%)4053(Top 27%)4053(Top 77%)
25K15.53 mi2.42 mi3713-1973510-1793510-1794869(Top 18%)4508(Top 30%)4508(Top 85%)
30K18.64 mi3.11 mi4635-9224324-8144324-8147583(Top 28%)6435(Top 42%)6435(Top 122%)
20M20.00 mi1.36 mi4775-1404442-1184442-1186007(Top 23%)5292(Top 35%)5292(Top 100%)
21M21.00 mi1.00 mi4892-1174542-1004542-1006688(Top 25%)5657(Top 37%)5657(Top 107%)
35K21.75 mi0.75 mi4907-154550-84550-85415(Top 20%)4811(Top 32%)4811(Top 91%)
23M23.00 mi1.25 mi4918-114551-14551-15774(Top 22%)5024(Top 33%)5024(Top 95%)
24M24.00 mi1.00 mi5008-904610-594610-597762(Top 29%)6157(Top 41%)6157(Top 116%)
40K24.85 mi0.85 mi5070-624664-544664-548737(Top 33%)6661(Top 44%)6661(Top 126%)
25.2M25.20 mi0.35 mi5090-204677-134677-137946(Top 30%)6106(Top 40%)6106(Top 116%)
Finish26.22 mi1.02 mi5124-344697-204697-207172(Top 27%)5663(Top 37%)5663(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3594

Males

3398

M18-39

3398

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2592

Males

2478

M18-39

2478

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3594

Males

3398

M18-39

3398

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3597

Males

3404

M18-39

3404

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4329

Males

4053

M18-39

4053

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4869

Males

4508

M18-39

4508

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7583

Males

6435

M18-39

6435

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6007

Males

5292

M18-39

5292

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6688

Males

5657

M18-39

5657

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5415

Males

4811

M18-39

4811

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5774

Males

5024

M18-39

5024

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7762

Males

6157

M18-39

6157

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8737

Males

6661

M18-39

6661

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7946

Males

6106

M18-39

6106

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7172

Males

5663

M18-39

5663

Passing Analysis

Category:
Athletes Passed
1877
Passed By
2148
Net Change
-271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4853
5K → 10K13946+1388#4853#3465
10K → 15K101112-11#3465#3476
15K → 20K7290-18#3476#3494
20K → Half830-22#3494#3516
Half → 25K37234-197#3516#3713
25K → 30K7929-922#3713#4635
30K → 20M35175-140#4635#4775
20M → 21M23140-117#4775#4892
21M → 35K3449-15#4892#4907
35K → 23M7283-11#4907#4918
23M → 24M24114-90#4918#5008
24M → 40K2688-62#5008#5070
40K → 25.2M1232-20#5070#5090
25.2M → Finish3266-34#5090#5124
TOTALS18772148-271
📊

Passing Visuals

Category:
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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