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BOSTON MARATHON 2023

Thomas Prendiville

Bib: 20208•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 24%
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
8:51/mi
27:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
53:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:19:59
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:46:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:52:35
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:14:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:42:06
↑ 181↓ 1480.2%
20M
9:00/mi
2:54:20
↑ 64↓ 500.2%
21M
9:36/mi
3:03:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:10:07
↑ 17↓ 861.7%
23M
8:43/mi
3:21:02
↑ 23↓ 630.6%
24M
8:48/mi
3:29:50
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:37:35
↓ 200.3%
25.2M
9:28/mi
3:40:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:49:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:35
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:57:03
Pace8:56 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3527:298:5127:29
8:51
-
10K
6.21 mi11:45:5153:458:3926:16
8:27
-0:24
15K
9.32 mi12:12:051:19:598:3526:14
8:27
0:00
20K
12.43 mi12:38:451:46:398:3526:40
8:35
+0:08
Half
13.11 mi12:44:411:52:358:355:56
8:42
+0:07
25K
15.53 mi13:06:352:14:298:3921:54
9:02
+0:20
30K
18.64 mi13:34:122:42:068:4227:37
8:53
-0:09
20M
20.00 mi13:46:262:54:208:4312:14
9:00
+0:07
21M
21.00 mi13:56:023:03:568:469:36
9:36
+0:36
35K
21.75 mi14:02:133:10:078:456:11
8:16
-1:20
23M
23.00 mi14:13:083:21:028:4410:55
8:43
+0:27
24M
24.00 mi14:21:563:29:508:458:48
8:48
+0:05
40K
24.85 mi14:29:413:37:358:457:45
9:04
+0:16
25.2M
25.20 mi14:32:573:40:518:463:16
9:28
+0:24
Finish
26.22 mi14:41:443:49:388:468:47
8:37
-0:51

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

8:16 /mi

Average Pace

8:46 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:46

94% of race

Time at Steady Pace

12:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:19:3527:298:5127:29
8:51
#19702
10K
6.21 mi11:45:5153:458:3926:16
8:27
#18793
15K
9.32 mi12:12:051:19:598:3526:14
8:27
#18370
20K
12.43 mi12:38:451:46:398:3526:40
8:35
#18096
Half
13.11 mi12:44:411:52:358:355:56
8:42
#18128
25K
15.53 mi13:06:352:14:298:3921:54
9:02
#18314
30K
18.64 mi13:34:122:42:068:4227:37
8:53
#17949
20M
20.00 mi13:46:262:54:208:4312:14
9:00
#17822
21M
21.00 mi13:56:023:03:568:469:36
9:36
#17731
35K
21.75 mi14:02:133:10:078:456:11
8:16
#17592
23M
23.00 mi14:13:083:21:028:4410:55
8:43
#17409
24M
24.00 mi14:21:563:29:508:458:48
8:48
#17361
40K
24.85 mi14:29:413:37:358:457:45
9:04
#17319
25.2M
25.20 mi14:32:573:40:518:463:16
9:28
#17289
Finish
26.22 mi14:41:443:49:388:468:47
8:37
#17268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19702120401204017413(Top 65%)11230(Top 74%)11230(Top 2046%)
10K6.21 mi3.10 mi18793+90911764+27611764+27617946(Top 67%)11478(Top 76%)11478(Top 2091%)
15K9.32 mi3.11 mi18370+42311617+14711617+14717413(Top 65%)11230(Top 74%)11230(Top 2046%)
20K12.43 mi3.11 mi18096+27411507+11011507+11017376(Top 65%)11200(Top 74%)11200(Top 2040%)
Half13.11 mi0.68 mi18128-3211522-1511522-1518861(Top 71%)11826(Top 78%)11826(Top 2154%)
25K15.53 mi2.42 mi18314-18611577-5511577-5519113(Top 72%)11893(Top 78%)11893(Top 2166%)
30K18.64 mi3.11 mi17949+36511393+18411393+18416582(Top 62%)10735(Top 71%)10735(Top 1955%)
20M20.00 mi1.36 mi17822+12711329+6411329+6416543(Top 62%)10632(Top 70%)10632(Top 1937%)
21M21.00 mi1.00 mi17731+9111282+4711282+4716406(Top 62%)10531(Top 69%)10531(Top 1918%)
35K21.75 mi0.75 mi17592+13911209+7311209+7313895(Top 52%)9384(Top 62%)9384(Top 1709%)
23M23.00 mi1.25 mi17409+18311124+8511124+8514495(Top 54%)9583(Top 63%)9583(Top 1746%)
24M24.00 mi1.00 mi17361+4811096+2811096+2816175(Top 61%)10253(Top 68%)10253(Top 1868%)
40K24.85 mi0.85 mi17319+4211058+3811058+3816467(Top 62%)10336(Top 68%)10336(Top 1883%)
25.2M25.20 mi0.35 mi17289+3011038+2011038+2015034(Top 56%)9710(Top 64%)9710(Top 1769%)
Finish26.22 mi1.02 mi17268+2111023+1511023+1516071(Top 60%)10200(Top 67%)10200(Top 1858%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17413

Males

11230

M65-69

11230

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17946

Males

11478

M65-69

11478

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17413

Males

11230

M65-69

11230

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17376

Males

11200

M65-69

11200

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18861

Males

11826

M65-69

11826

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19113

Males

11893

M65-69

11893

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16582

Males

10735

M65-69

10735

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16543

Males

10632

M65-69

10632

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16406

Males

10531

M65-69

10531

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13895

Males

9384

M65-69

9384

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14495

Males

9583

M65-69

9583

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16175

Males

10253

M65-69

10253

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16467

Males

10336

M65-69

10336

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15034

Males

9710

M65-69

9710

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16071

Males

10200

M65-69

10200

Passing Analysis

Category:
Athletes Passed
3191
Passed By
757
Net Change
+2434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19702
5K → 10K100697+909#19702#18793
10K → 15K47148+423#18793#18370
15K → 20K32147+274#18370#18096
20K → Half1244-32#18096#18128
Half → 25K73259-186#18128#18314
25K → 30K40136+365#18314#17949
30K → 20M15629+127#17949#17822
20M → 21M13241+91#17822#17731
21M → 35K1456+139#17731#17592
35K → 23M1918+183#17592#17409
23M → 24M8638+48#17409#17361
24M → 40K8442+42#17361#17319
40K → 25.2M4010+30#17319#17289
25.2M → Finish7352+21#17289#17268
TOTALS3191757+2434
📊

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