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BOSTON MARATHON 2023

Thomas Brennan

Bib: 14921•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 18%
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
7:48/mi
24:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:36
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:37:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:43:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:02:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:28:37
↑ 181↓ 1480.2%
20M
8:33/mi
2:40:14
↑ 64↓ 500.2%
21M
8:46/mi
2:49:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:55:03
↑ 17↓ 861.7%
23M
8:26/mi
3:05:37
↑ 23↓ 630.6%
24M
8:08/mi
3:13:45
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:20:52
↓ 200.3%
25.2M
8:30/mi
3:23:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:32:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:12
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:48:57
Pace8:19 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5424:137:4824:13
7:48
-
10K
6.21 mi11:18:0448:237:4724:10
7:47
-0:01
15K
9.32 mi11:42:171:12:367:4724:13
7:48
+0:01
20K
12.43 mi12:07:251:37:447:5225:08
8:05
+0:17
Half
13.11 mi12:12:531:43:127:525:28
8:01
-0:04
25K
15.53 mi12:32:292:02:487:5419:36
8:05
+0:04
30K
18.64 mi12:58:182:28:377:5825:49
8:19
+0:14
20M
20.00 mi13:09:552:40:148:0111:37
8:33
+0:14
21M
21.00 mi13:18:412:49:008:038:46
8:46
+0:13
35K
21.75 mi13:24:442:55:038:036:03
8:05
-0:41
23M
23.00 mi13:35:183:05:378:0410:34
8:26
+0:21
24M
24.00 mi13:43:263:13:458:048:08
8:08
-0:18
40K
24.85 mi13:50:333:20:528:057:07
8:19
+0:11
25.2M
25.20 mi13:53:293:23:488:052:56
8:30
+0:11
Finish
26.22 mi14:01:503:32:098:068:21
8:12
-0:18

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

7:47 /mi

Average Pace

8:06 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:23

96% of race

Time at Steady Pace

8:46

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi10:53:5424:137:4824:13
7:48
#12286
10K
6.21 mi11:18:0448:237:4724:10
7:47
#12567
15K
9.32 mi11:42:171:12:367:4724:13
7:48
#12567
20K
12.43 mi12:07:251:37:447:5225:08
8:05
#12982
Half
13.11 mi12:12:531:43:127:525:28
8:01
#13062
25K
15.53 mi12:32:292:02:487:5419:36
8:05
#13087
30K
18.64 mi12:58:182:28:377:5825:49
8:19
#13081
20M
20.00 mi13:09:552:40:148:0111:37
8:33
#13135
21M
21.00 mi13:18:412:49:008:038:46
8:46
#13040
35K
21.75 mi13:24:442:55:038:036:03
8:05
#13000
23M
23.00 mi13:35:183:05:378:0410:34
8:26
#12967
24M
24.00 mi13:43:263:13:458:048:08
8:08
#12931
40K
24.85 mi13:50:333:20:528:057:07
8:19
#12882
25.2M
25.20 mi13:53:293:23:488:052:56
8:30
#12836
Finish
26.22 mi14:01:503:32:098:068:21
8:12
#12838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi122869236923612679(Top 48%)9383(Top 62%)9383(Top 845%)
10K6.21 mi3.10 mi12567-2819358-1229358-12212928(Top 49%)9522(Top 63%)9522(Top 858%)
15K9.32 mi3.11 mi125679337+219337+2112679(Top 48%)9383(Top 62%)9383(Top 845%)
20K12.43 mi3.11 mi12982-4159491-1549491-15414142(Top 53%)9936(Top 65%)9936(Top 895%)
Half13.11 mi0.68 mi13062-809528-379528-3714412(Top 54%)10051(Top 66%)10051(Top 905%)
25K15.53 mi2.42 mi13087-259530-29530-213388(Top 50%)9517(Top 63%)9517(Top 857%)
30K18.64 mi3.11 mi13081+69464+669464+6613079(Top 49%)9262(Top 61%)9262(Top 834%)
20M20.00 mi1.36 mi13135-549474-109474-1013899(Top 52%)9524(Top 63%)9524(Top 858%)
21M21.00 mi1.00 mi13040+959415+599415+5912051(Top 45%)8609(Top 57%)8609(Top 776%)
35K21.75 mi0.75 mi13000+409377+389377+3812694(Top 48%)8858(Top 58%)8858(Top 798%)
23M23.00 mi1.25 mi12967+339338+399338+3912830(Top 48%)8836(Top 58%)8836(Top 796%)
24M24.00 mi1.00 mi12931+369309+299309+2912130(Top 46%)8456(Top 56%)8456(Top 762%)
40K24.85 mi0.85 mi12882+499264+459264+4512194(Top 46%)8404(Top 55%)8404(Top 757%)
25.2M25.20 mi0.35 mi12836+469241+239241+239554(Top 36%)7080(Top 47%)7080(Top 638%)
Finish26.22 mi1.02 mi12838-29217+249217+2413371(Top 50%)8956(Top 59%)8956(Top 807%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12679

Males

9383

M60-64

9383

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12928

Males

9522

M60-64

9522

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12679

Males

9383

M60-64

9383

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14142

Males

9936

M60-64

9936

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14412

Males

10051

M60-64

10051

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13388

Males

9517

M60-64

9517

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13079

Males

9262

M60-64

9262

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13899

Males

9524

M60-64

9524

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12051

Males

8609

M60-64

8609

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12694

Males

8858

M60-64

8858

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12830

Males

8836

M60-64

8836

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12130

Males

8456

M60-64

8456

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12194

Males

8404

M60-64

8404

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9554

Males

7080

M60-64

7080

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13371

Males

8956

M60-64

8956

Passing Analysis

Category:
Athletes Passed
1485
Passed By
2037
Net Change
-552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12286
5K → 10K194475-281#12286#12567
10K → 15K1951950#12567#12567
15K → 20K83498-415#12567#12982
20K → Half1191-80#12982#13062
Half → 25K141166-25#13062#13087
25K → 30K189183+6#13087#13081
30K → 20M69123-54#13081#13135
20M → 21M14449+95#13135#13040
21M → 35K7030+40#13040#13000
35K → 23M10370+33#13000#12967
23M → 24M8044+36#12967#12931
24M → 40K9243+49#12931#12882
40K → 25.2M482+46#12882#12836
25.2M → Finish6668-2#12836#12838
TOTALS14852037-552
📊

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