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BOSTON MARATHON 2023

Stephen Newbould

Bib: 8915•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #2577
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:54
Rank: #3009 (-432)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:32
Rank: #3209 (-200)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:22:03
Rank: #3094 (+115)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:26:28
Rank: #3065 (+29)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:42:37
Rank: #3038 (+27)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:03:39
Rank: #2931 (+107)
25K → 30K
21:02 | 6:46/mi
20M
2:12:48
Rank: #2869 (+62)
30K → 20M
9:09 | 6:44/mi
21M
2:19:55
Rank: #2833 (+36)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:24:40
Rank: #2757 (+76)
21M → 35K
4:45 | 6:21/mi
23M
2:33:00
Rank: #2667 (+90)
35K → 23M
8:20 | 6:39/mi
24M
2:39:28
Rank: #2596 (+71)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:45:01
Rank: #2527 (+69)
24M → 40K
5:33 | 6:29/mi
25.2M
2:47:27
Rank: #2503 (+24)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:54:01
Rank: #2478 (+25)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:28
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:27:33
Pace6:41 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3020:226:3320:22
6:33
-
10K
6.21 mi11:06:0240:546:3520:32
6:37
+0:04
15K
9.32 mi11:26:401:01:326:3620:38
6:38
+0:01
20K
12.43 mi11:47:111:22:036:3620:31
6:36
-0:02
Half
13.11 mi11:51:361:26:286:364:25
6:28
-0:08
25K
15.53 mi12:07:451:42:376:3616:09
6:40
+0:12
30K
18.64 mi12:28:472:03:396:3821:02
6:46
+0:06
20M
20.00 mi12:37:562:12:486:389:09
6:44
-0:02
21M
21.00 mi12:45:032:19:556:407:07
7:07
+0:23
35K
21.75 mi12:49:482:24:406:394:45
6:21
-0:46
23M
23.00 mi12:58:082:33:006:398:20
6:39
+0:18
24M
24.00 mi13:04:362:39:286:396:28
6:28
-0:11
40K
24.85 mi13:10:092:45:016:385:33
6:29
+0:01
25.2M
25.20 mi13:12:352:47:276:392:26
7:03
+0:34
Finish
26.22 mi13:19:092:54:016:396:34
6:27
-0:36

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

6:21 /mi

Average Pace

6:39 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:28

95% of race

Time at Steady Pace

9:33

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:45:3020:226:3320:22
6:33
#2577
10K
6.21 mi11:06:0240:546:3520:32
6:37
#3009
15K
9.32 mi11:26:401:01:326:3620:38
6:38
#3209
20K
12.43 mi11:47:111:22:036:3620:31
6:36
#3094
Half
13.11 mi11:51:361:26:286:364:25
6:28
#3065
25K
15.53 mi12:07:451:42:376:3616:09
6:40
#3038
30K
18.64 mi12:28:472:03:396:3821:02
6:46
#2931
20M
20.00 mi12:37:562:12:486:389:09
6:44
#2869
21M
21.00 mi12:45:032:19:556:407:07
7:07
#2833
35K
21.75 mi12:49:482:24:406:394:45
6:21
#2757
23M
23.00 mi12:58:082:33:006:398:20
6:39
#2667
24M
24.00 mi13:04:362:39:286:396:28
6:28
#2596
40K
24.85 mi13:10:092:45:016:385:33
6:29
#2527
25.2M
25.20 mi13:12:352:47:276:392:26
7:03
#2503
Finish
26.22 mi13:19:092:54:016:396:34
6:27
#2478
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2577245624563612(Top 14%)3407(Top 22%)3407(Top 151%)
10K6.21 mi3.10 mi3009-4322867-4112867-4113548(Top 13%)3354(Top 22%)3354(Top 149%)
15K9.32 mi3.11 mi3209-2003055-1883055-1883612(Top 14%)3407(Top 22%)3407(Top 151%)
20K12.43 mi3.11 mi3094+1152950+1052950+1052860(Top 11%)2728(Top 18%)2728(Top 121%)
Half13.11 mi0.68 mi3065+292923+272923+272604(Top 10%)2498(Top 16%)2498(Top 111%)
25K15.53 mi2.42 mi3038+272899+242899+243054(Top 11%)2911(Top 19%)2911(Top 129%)
30K18.64 mi3.11 mi2931+1072800+992800+992789(Top 10%)2645(Top 17%)2645(Top 117%)
20M20.00 mi1.36 mi2869+622743+572743+572433(Top 9%)2308(Top 15%)2308(Top 102%)
21M21.00 mi1.00 mi2833+362707+362707+362676(Top 10%)2512(Top 17%)2512(Top 112%)
35K21.75 mi0.75 mi2757+762636+712636+711774(Top 7%)1687(Top 11%)1687(Top 75%)
23M23.00 mi1.25 mi2667+902548+882548+881989(Top 7%)1884(Top 12%)1884(Top 84%)
24M24.00 mi1.00 mi2596+712481+672481+671966(Top 7%)1847(Top 12%)1847(Top 82%)
40K24.85 mi0.85 mi2527+692413+682413+681515(Top 6%)1429(Top 9%)1429(Top 63%)
25.2M25.20 mi0.35 mi2503+242389+242389+241928(Top 7%)1811(Top 12%)1811(Top 80%)
Finish26.22 mi1.02 mi2478+252366+232366+232211(Top 8%)2051(Top 14%)2051(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3612

Males

3407

M45-49

3407

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3548

Males

3354

M45-49

3354

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3612

Males

3407

M45-49

3407

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2860

Males

2728

M45-49

2728

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2604

Males

2498

M45-49

2498

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3054

Males

2911

M45-49

2911

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2789

Males

2645

M45-49

2645

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2433

Males

2308

M45-49

2308

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2676

Males

2512

M45-49

2512

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1774

Males

1687

M45-49

1687

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1989

Males

1884

M45-49

1884

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1966

Males

1847

M45-49

1847

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1515

Males

1429

M45-49

1429

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1928

Males

1811

M45-49

1811

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2211

Males

2051

M45-49

2051

Passing Analysis

Category:
Athletes Passed
1016
Passed By
917
Net Change
+99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2577
5K → 10K38470-432#2577#3009
10K → 15K31231-200#3009#3209
15K → 20K15035+115#3209#3094
20K → Half323+29#3094#3065
Half → 25K7447+27#3065#3038
25K → 30K13831+107#3038#2931
30K → 20M7210+62#2931#2869
20M → 21M6125+36#2869#2833
21M → 35K793+76#2833#2757
35K → 23M10111+90#2757#2667
23M → 24M8413+71#2667#2596
24M → 40K723+69#2596#2527
40K → 25.2M339+24#2527#2503
25.2M → Finish5126+25#2503#2478
TOTALS1016917+99
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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