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BOSTON MARATHON 2023

Charles Obrien

Bib: 2151•M

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
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
6:26/mi
19:59
↑ 97↓ 3451.5%
10K· 6.21 mi
6:14/mi
39:21
↑ 79↓ 1380.4%
15K· 9.32 mi
6:12/mi
58:38
↑ 67↓ 78
20K· 12.43 mi
6:21/mi
1:18:21
↑ 106↓ 860.1%
Half· 13.11 mi
6:12/mi
1:22:35
↑ 19↓ 370.5%
25K· 15.53 mi
6:20/mi
1:37:57
↑ 66↓ 880.2%
30K· 18.64 mi
6:28/mi
1:58:04
↑ 181↓ 1480.2%
20M
6:26/mi
2:06:48
↑ 64↓ 500.2%
21M
6:44/mi
2:13:32
↑ 106↓ 241.6%
35K· 21.75 mi
6:18/mi
2:18:15
↑ 17↓ 861.7%
23M
6:32/mi
2:26:26
↑ 23↓ 630.6%
24M
6:20/mi
2:32:46
↓ 821.3%
40K· 24.85 mi
6:44/mi
2:38:31
↓ 200.3%
25.2M
7:09/mi
2:40:59
↑ 13↓ 160.2%
Finish· 26.22 mi
6:26/mi
2:47:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:35
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:24:57
Pace6:29 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5919:596:2619:59
6:26
-
10K
6.21 mi10:40:2139:216:2019:22
6:14
-0:12
15K
9.32 mi10:59:3858:386:1719:17
6:12
-0:02
20K
12.43 mi11:19:211:18:216:1819:43
6:21
+0:09
Half
13.11 mi11:23:351:22:356:184:14
6:12
-0:09
25K
15.53 mi11:38:571:37:576:1815:22
6:20
+0:08
30K
18.64 mi11:59:041:58:046:2020:07
6:28
+0:08
20M
20.00 mi12:07:482:06:486:208:44
6:26
-0:02
21M
21.00 mi12:14:322:13:326:226:44
6:44
+0:18
35K
21.75 mi12:19:152:18:156:214:43
6:18
-0:26
23M
23.00 mi12:27:262:26:266:228:11
6:32
+0:14
24M
24.00 mi12:33:462:32:466:226:20
6:20
-0:12
40K
24.85 mi12:39:312:38:316:235:45
6:44
+0:24
25.2M
25.20 mi12:41:592:40:596:232:28
7:09
+0:25
Finish
26.22 mi12:48:322:47:326:246:33
6:26
-0:43

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

6:12 /mi

Average Pace

6:24 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:04

99% of race

Time at Steady Pace

2:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:20:5919:596:2619:59
6:26
#1936
10K
6.21 mi10:40:2139:216:2019:22
6:14
#1708
15K
9.32 mi10:59:3858:386:1719:17
6:12
#1543
20K
12.43 mi11:19:211:18:216:1819:43
6:21
#1549
Half
13.11 mi11:23:351:22:356:184:14
6:12
#1537
25K
15.53 mi11:38:571:37:576:1815:22
6:20
#1514
30K
18.64 mi11:59:041:58:046:2020:07
6:28
#1474
20M
20.00 mi12:07:482:06:486:208:44
6:26
#1441
21M
21.00 mi12:14:322:13:326:226:44
6:44
#1412
35K
21.75 mi12:19:152:18:156:214:43
6:18
#1408
23M
23.00 mi12:27:262:26:266:228:11
6:32
#1394
24M
24.00 mi12:33:462:32:466:226:20
6:20
#1376
40K
24.85 mi12:39:312:38:316:235:45
6:44
#1390
25.2M
25.20 mi12:41:592:40:596:232:28
7:09
#1403
Finish
26.22 mi12:48:322:47:326:246:33
6:26
#1412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1936184718471262(Top 5%)1202(Top 8%)1202(Top 23%)
10K6.21 mi3.10 mi1708+2281631+2161631+2161477(Top 6%)1410(Top 9%)1410(Top 27%)
15K9.32 mi3.11 mi1543+1651473+1581473+1581262(Top 5%)1202(Top 8%)1202(Top 23%)
20K12.43 mi3.11 mi1549-61480-71480-71589(Top 6%)1519(Top 10%)1519(Top 29%)
Half13.11 mi0.68 mi1537+121468+121468+121384(Top 5%)1324(Top 9%)1324(Top 25%)
25K15.53 mi2.42 mi1514+231446+221446+221466(Top 6%)1403(Top 9%)1403(Top 27%)
30K18.64 mi3.11 mi1474+401409+371409+371474(Top 6%)1410(Top 9%)1410(Top 27%)
20M20.00 mi1.36 mi1441+331377+321377+321215(Top 5%)1157(Top 8%)1157(Top 22%)
21M21.00 mi1.00 mi1412+291349+281349+281205(Top 5%)1147(Top 8%)1147(Top 22%)
35K21.75 mi0.75 mi1408+41344+51344+51577(Top 6%)1497(Top 10%)1497(Top 28%)
23M23.00 mi1.25 mi1394+141330+141330+141547(Top 6%)1469(Top 10%)1469(Top 28%)
24M24.00 mi1.00 mi1376+181312+181312+181435(Top 5%)1358(Top 9%)1358(Top 26%)
40K24.85 mi0.85 mi1390-141325-131325-132430(Top 9%)2250(Top 15%)2250(Top 43%)
25.2M25.20 mi0.35 mi1403-131337-121337-122242(Top 8%)2075(Top 14%)2075(Top 39%)
Finish26.22 mi1.02 mi1412-91345-81345-82113(Top 8%)1958(Top 13%)1958(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1262

Males

1202

M18-39

1202

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1477

Males

1410

M18-39

1410

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1262

Males

1202

M18-39

1202

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1589

Males

1519

M18-39

1519

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1384

Males

1324

M18-39

1324

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1466

Males

1403

M18-39

1403

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1474

Males

1410

M18-39

1410

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1215

Males

1157

M18-39

1157

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1205

Males

1147

M18-39

1147

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1577

Males

1497

M18-39

1497

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1547

Males

1469

M18-39

1469

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1435

Males

1358

M18-39

1358

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2430

Males

2250

M18-39

2250

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2242

Males

2075

M18-39

2075

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2113

Males

1958

M18-39

1958

Passing Analysis

Category:
Athletes Passed
804
Passed By
280
Net Change
+524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1936
5K → 10K25123+228#1936#1708
10K → 15K17611+165#1708#1543
15K → 20K4147-6#1543#1549
20K → Half186+12#1549#1537
Half → 25K4623+23#1537#1514
25K → 30K7131+40#1514#1474
30K → 20M418+33#1474#1441
20M → 21M4011+29#1441#1412
21M → 35K1713+4#1412#1408
35K → 23M3117+14#1408#1394
23M → 24M3315+18#1394#1376
24M → 40K1327-14#1376#1390
40K → 25.2M417-13#1390#1403
25.2M → Finish2231-9#1403#1412
TOTALS804280+524
📊

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