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BOSTON MARATHON 2023

Brian Mcpherson

Bib: 1787•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 28%
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
6:07/mi
19:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:12/mi
38:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:22/mi
58:02
↑ 67↓ 78
20K· 12.43 mi
6:25/mi
1:17:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:14/mi
1:22:12
↑ 19↓ 370.5%
25K· 15.53 mi
6:28/mi
1:37:53
↑ 66↓ 880.2%
30K· 18.64 mi
6:38/mi
1:58:31
↑ 181↓ 1480.2%
20M
6:58/mi
2:08:00
↑ 64↓ 500.2%
21M
6:58/mi
2:14:58
↑ 106↓ 241.6%
35K· 21.75 mi
6:33/mi
2:19:52
↑ 17↓ 861.7%
23M
6:49/mi
2:28:24
↑ 23↓ 630.6%
24M
6:49/mi
2:35:12
↓ 821.3%
40K· 24.85 mi
7:05/mi
2:41:15
↓ 200.3%
25.2M
7:32/mi
2:43:51
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
2:50:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:12
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:28:42
Pace6:46 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2519:006:0719:00
6:07
-
10K
6.21 mi10:38:4138:166:1019:16
6:12
+0:05
15K
9.32 mi10:58:2758:026:1419:46
6:22
+0:10
20K
12.43 mi11:18:221:17:576:1619:55
6:25
+0:03
Half
13.11 mi11:22:371:22:126:164:15
6:14
-0:11
25K
15.53 mi11:38:181:37:536:1815:41
6:28
+0:14
30K
18.64 mi11:58:561:58:316:2120:38
6:38
+0:10
20M
20.00 mi12:08:252:08:006:249:29
6:58
+0:20
21M
21.00 mi12:15:232:14:586:266:58
6:58
0:00
35K
21.75 mi12:20:172:19:526:264:54
6:33
-0:25
23M
23.00 mi12:28:492:28:246:278:32
6:49
+0:16
24M
24.00 mi12:35:372:35:126:286:48
6:49
0:00
40K
24.85 mi12:41:402:41:156:296:03
7:05
+0:16
25.2M
25.20 mi12:44:162:43:516:302:36
7:32
+0:27
Finish
26.22 mi12:51:192:50:546:317:03
6:55
-0:37

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

6:07 /mi

Average Pace

6:31 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:12

48% of race

Time at Steady Pace

56:33

33% of race

Time at Slower Pace

32:09

19% of race

Average Pace: 6:31 /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 mi10:19:2519:006:0719:00
6:07
#934
10K
6.21 mi10:38:4138:166:1019:16
6:12
#1109
15K
9.32 mi10:58:2758:026:1419:46
6:22
#1274
20K
12.43 mi11:18:221:17:576:1619:55
6:25
#1396
Half
13.11 mi11:22:371:22:126:164:15
6:14
#1390
25K
15.53 mi11:38:181:37:536:1815:41
6:28
#1491
30K
18.64 mi11:58:561:58:316:2120:38
6:38
#1585
20M
20.00 mi12:08:252:08:006:249:29
6:58
#1671
21M
21.00 mi12:15:232:14:586:266:58
6:58
#1668
35K
21.75 mi12:20:172:19:526:264:54
6:33
#1688
23M
23.00 mi12:28:492:28:246:278:32
6:49
#1726
24M
24.00 mi12:35:372:35:126:286:48
6:49
#1775
40K
24.85 mi12:41:402:41:156:296:03
7:05
#1847
25.2M
25.20 mi12:44:162:43:516:302:36
7:32
#1862
Finish
26.22 mi12:51:192:50:546:317:03
6:55
#1921
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9348798791923(Top 7%)1841(Top 12%)1841(Top 35%)
10K6.21 mi3.10 mi1109-1751050-1711050-1711367(Top 5%)1303(Top 9%)1303(Top 25%)
15K9.32 mi3.11 mi1274-1651211-1611211-1611923(Top 7%)1841(Top 12%)1841(Top 35%)
20K12.43 mi3.11 mi1396-1221330-1191330-1191847(Top 7%)1770(Top 12%)1770(Top 33%)
Half13.11 mi0.68 mi1390+61325+51325+51518(Top 6%)1454(Top 10%)1454(Top 28%)
25K15.53 mi2.42 mi1491-1011424-991424-992014(Top 8%)1929(Top 13%)1929(Top 36%)
30K18.64 mi3.11 mi1585-941516-921516-922141(Top 8%)2044(Top 13%)2044(Top 39%)
20M20.00 mi1.36 mi1671-861598-821598-823862(Top 15%)3590(Top 24%)3590(Top 68%)
21M21.00 mi1.00 mi1668+31594+41594+42040(Top 8%)1926(Top 13%)1926(Top 36%)
35K21.75 mi0.75 mi1688-201615-211615-212652(Top 10%)2495(Top 16%)2495(Top 47%)
23M23.00 mi1.25 mi1726-381651-361651-362707(Top 10%)2533(Top 17%)2533(Top 48%)
24M24.00 mi1.00 mi1775-491698-471698-473698(Top 14%)3384(Top 22%)3384(Top 64%)
40K24.85 mi0.85 mi1847-721767-691767-694205(Top 16%)3740(Top 25%)3740(Top 71%)
25.2M25.20 mi0.35 mi1862-151781-141781-143982(Top 15%)3524(Top 23%)3524(Top 67%)
Finish26.22 mi1.02 mi1921-591838-571838-574702(Top 18%)4057(Top 27%)4057(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1923

Males

1841

M18-39

1841

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1367

Males

1303

M18-39

1303

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1923

Males

1841

M18-39

1841

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1847

Males

1770

M18-39

1770

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1518

Males

1454

M18-39

1454

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2014

Males

1929

M18-39

1929

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2141

Males

2044

M18-39

2044

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3862

Males

3590

M18-39

3590

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2040

Males

1926

M18-39

1926

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2652

Males

2495

M18-39

2495

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2707

Males

2533

M18-39

2533

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3698

Males

3384

M18-39

3384

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4205

Males

3740

M18-39

3740

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3982

Males

3524

M18-39

3524

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4702

Males

4057

M18-39

4057

Passing Analysis

Category:
Athletes Passed
177
Passed By
1164
Net Change
-987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#934
5K → 10K4179-175#934#1109
10K → 15K6171-165#1109#1274
15K → 20K15137-122#1274#1396
20K → Half126+6#1396#1390
Half → 25K11112-101#1390#1491
25K → 30K29123-94#1491#1585
30K → 20M793-86#1585#1671
20M → 21M2522+3#1671#1668
21M → 35K1232-20#1668#1688
35K → 23M1856-38#1688#1726
23M → 24M1160-49#1726#1775
24M → 40K981-72#1775#1847
40K → 25.2M823-15#1847#1862
25.2M → Finish1069-59#1862#1921
TOTALS1771164-987
📊

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