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BOSTON MARATHON 2023

William Regan

NJ

Bib: 31870 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:19/mi
25:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:54/mi
50:23
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:34/mi
1:13:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:37/mi
1:37:35
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:45/mi
1:42:52
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:45/mi
2:01:40
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:05/mi
2:26:48
↑ 181↓ 1480.2%
138 ft elev
20M
8:11/mi
2:37:55
↑ 64↓ 500.2%
148 ft elev
21M
8:49/mi
2:46:44
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:51/mi
2:52:36
↑ 17↓ 861.7%
156 ft elev
23M
8:16/mi
3:02:57
↑ 23↓ 630.6%
116 ft elev
24M
8:06/mi
3:11:03
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:50/mi
3:18:36
↓ 200.3%
20 ft elev
25.2M
9:34/mi
3:21:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:37/mi
3:30:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:52
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1925:518:1925:51
8:19
-
10K
6.21 mi12:14:5150:238:0724:32
7:54
-0:25
15K
9.32 mi12:38:221:13:547:5623:31
7:34
-0:20
20K
12.43 mi13:02:031:37:357:5123:41
7:37
+0:03
Half
13.11 mi13:07:201:42:527:515:17
7:45
+0:08
25K
15.53 mi13:26:082:01:407:5018:48
7:45
0:00
30K
18.64 mi13:51:162:26:487:5325:08
8:05
+0:20
20M
20.00 mi14:02:232:37:557:5411:07
8:11
+0:06
21M
21.00 mi14:11:122:46:447:568:49
8:49
+0:38
35K
21.75 mi14:17:042:52:367:565:52
7:51
-0:58
23M
23.00 mi14:27:253:02:577:5710:21
8:16
+0:25
24M
24.00 mi14:35:313:11:037:588:06
8:06
-0:10
40K
24.85 mi14:43:043:18:367:597:33
8:50
+0:44
25.2M
25.20 mi14:46:223:21:548:013:18
9:34
+0:44
Finish
26.22 mi14:55:093:30:418:028:47
8:37
-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

7:34 /mi

Average Pace

8:02 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:17

34% of race

Time at Steady Pace

1:50:57

53% of race

Time at Slower Pace

28:27

14% of race

Average Pace: 8:02 /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 mi11:50:1925:518:1925:51
8:19
#16279
10K
6.21 mi12:14:5150:238:0724:32
7:54
#15168
15K
9.32 mi12:38:221:13:547:5623:31
7:34
#13799
20K
12.43 mi13:02:031:37:357:5123:41
7:37
#12868
Half
13.11 mi13:07:201:42:527:515:17
7:45
#12825
25K
15.53 mi13:26:082:01:407:5018:48
7:45
#12462
30K
18.64 mi13:51:162:26:487:5325:08
8:05
#12257
20M
20.00 mi14:02:232:37:557:5411:07
8:11
#12183
21M
21.00 mi14:11:122:46:447:568:49
8:49
#12179
35K
21.75 mi14:17:042:52:367:565:52
7:51
#12128
23M
23.00 mi14:27:253:02:577:5710:21
8:16
#12080
24M
24.00 mi14:35:313:11:037:588:06
8:06
#12078
40K
24.85 mi14:43:043:18:367:597:33
8:50
#12202
25.2M
25.20 mi14:46:223:21:548:013:18
9:34
#12277
Finish
26.22 mi14:55:093:30:418:028:47
8:37
#12443
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16279108011080110750(Top 40%)8532(Top 56%)8532(Top 600%)
10K6.21 mi3.10 mi15168+111110394+40710394+40713944(Top 52%)9913(Top 65%)9913(Top 697%)
15K9.32 mi3.11 mi13799+13699837+5579837+55710750(Top 40%)8532(Top 56%)8532(Top 600%)
20K12.43 mi3.11 mi12868+9319448+3899448+38910259(Top 39%)8220(Top 54%)8220(Top 578%)
Half13.11 mi0.68 mi12825+439430+189430+1812203(Top 46%)9157(Top 60%)9157(Top 644%)
25K15.53 mi2.42 mi12462+3639238+1929238+19210731(Top 40%)8367(Top 55%)8367(Top 588%)
30K18.64 mi3.11 mi12257+2059111+1279111+12711573(Top 43%)8622(Top 57%)8622(Top 606%)
20M20.00 mi1.36 mi12183+749071+409071+4011546(Top 43%)8509(Top 56%)8509(Top 598%)
21M21.00 mi1.00 mi12179+49051+209051+2012341(Top 46%)8733(Top 58%)8733(Top 614%)
35K21.75 mi0.75 mi12128+519005+469005+4610950(Top 41%)8099(Top 53%)8099(Top 570%)
23M23.00 mi1.25 mi12080+488961+448961+4411623(Top 44%)8297(Top 55%)8297(Top 583%)
24M24.00 mi1.00 mi12078+28935+268935+2611921(Top 45%)8362(Top 55%)8362(Top 588%)
40K24.85 mi0.85 mi12202-1248974-398974-3915203(Top 57%)9769(Top 64%)9769(Top 687%)
25.2M25.20 mi0.35 mi12277-759001-279001-2715439(Top 58%)9860(Top 65%)9860(Top 693%)
Finish26.22 mi1.02 mi12443-1669054-539054-5316060(Top 60%)10189(Top 67%)10189(Top 717%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10750

Males

8532

M55-59

8532

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13944

Males

9913

M55-59

9913

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10750

Males

8532

M55-59

8532

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10259

Males

8220

M55-59

8220

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12203

Males

9157

M55-59

9157

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10731

Males

8367

M55-59

8367

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11573

Males

8622

M55-59

8622

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11546

Males

8509

M55-59

8509

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12341

Males

8733

M55-59

8733

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10950

Males

8099

M55-59

8099

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11623

Males

8297

M55-59

8297

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11921

Males

8362

M55-59

8362

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15203

Males

9769

M55-59

9769

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15439

Males

9860

M55-59

9860

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16060

Males

10189

M55-59

10189

Passing Analysis

Category:
Athletes Passed
4750
Passed By
914
Net Change
+3836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16279
5K → 10K115645+1111#16279#15168
10K → 15K13690+1369#15168#13799
15K → 20K9365+931#13799#12868
20K → Half5613+43#12868#12825
Half → 25K37714+363#12825#12462
25K → 30K306101+205#12462#12257
30K → 20M13258+74#12257#12183
20M → 21M9389+4#12183#12179
21M → 35K7726+51#12179#12128
35K → 23M10153+48#12128#12080
23M → 24M7674+2#12080#12078
24M → 40K31155-124#12078#12202
40K → 25.2M1287-75#12202#12277
25.2M → Finish28194-166#12277#12443
TOTALS4750914+3836
📊

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