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BOSTON MARATHON 2023

Dan Nurse

Bib: 7116•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M40-44)
#0 / 2241
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #3378
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:28
Rank: #3723 (-345)
5K → 10K
20:45 | 6:41/mi
15K· 9.32 mi
1:02:15
Rank: #3796 (-73)
10K → 15K
20:47 | 6:41/mi
20K· 12.43 mi
1:23:13
Rank: #3831 (-35)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:27:44
Rank: #3807 (+24)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:47
Rank: #3604 (+203)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:04:50
Rank: #3407 (+197)
25K → 30K
21:03 | 6:47/mi
20M
2:14:07
Rank: #3330 (+77)
30K → 20M
9:17 | 6:50/mi
21M
2:21:10
Rank: #3238 (+92)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:26:08
Rank: #3227 (+11)
21M → 35K
4:58 | 6:38/mi
23M
2:34:50
Rank: #3213 (+14)
35K → 23M
8:42 | 6:57/mi
24M
2:41:35
Rank: #3197 (+16)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:47:38
Rank: #3229 (-32)
24M → 40K
6:03 | 7:05/mi
25.2M
2:50:17
Rank: #3250 (-21)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:57:18
Rank: #3277 (-27)
25.2M → Finish
7:01 | 6:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:29:34
Pace6:50 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0920:436:4020:43
6:40
-
10K
6.21 mi10:45:5441:286:4020:45
6:41
+0:01
15K
9.32 mi11:06:411:02:156:4120:47
6:41
0:00
20K
12.43 mi11:27:391:23:136:4220:58
6:45
+0:04
Half
13.11 mi11:32:101:27:446:424:31
6:37
-0:08
25K
15.53 mi11:48:131:43:476:4116:03
6:37
0:00
30K
18.64 mi12:09:162:04:506:4221:03
6:47
+0:10
20M
20.00 mi12:18:332:14:076:429:17
6:50
+0:03
21M
21.00 mi12:25:362:21:106:437:03
7:03
+0:13
35K
21.75 mi12:30:342:26:086:434:58
6:38
-0:25
23M
23.00 mi12:39:162:34:506:448:42
6:57
+0:19
24M
24.00 mi12:46:012:41:356:446:45
6:45
-0:12
40K
24.85 mi12:52:042:47:386:456:03
7:05
+0:20
25.2M
25.20 mi12:54:432:50:176:452:39
7:41
+0:36
Finish
26.22 mi13:01:442:57:186:467:01
6:53
-0:48

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

6:37 /mi

Average Pace

6:46 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:39

99% of race

Time at Steady Pace

2:39

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:25:0920:436:4020:43
6:40
#3378
10K
6.21 mi10:45:5441:286:4020:45
6:41
#3723
15K
9.32 mi11:06:411:02:156:4120:47
6:41
#3796
20K
12.43 mi11:27:391:23:136:4220:58
6:45
#3831
Half
13.11 mi11:32:101:27:446:424:31
6:37
#3807
25K
15.53 mi11:48:131:43:476:4116:03
6:37
#3604
30K
18.64 mi12:09:162:04:506:4221:03
6:47
#3407
20M
20.00 mi12:18:332:14:076:429:17
6:50
#3330
21M
21.00 mi12:25:362:21:106:437:03
7:03
#3238
35K
21.75 mi12:30:342:26:086:434:58
6:38
#3227
23M
23.00 mi12:39:162:34:506:448:42
6:57
#3213
24M
24.00 mi12:46:012:41:356:446:45
6:45
#3197
40K
24.85 mi12:52:042:47:386:456:03
7:05
#3229
25.2M
25.20 mi12:54:432:50:176:452:39
7:41
#3250
Finish
26.22 mi13:01:442:57:186:467:01
6:53
#3277
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3378318531854015(Top 15%)3771(Top 25%)3771(Top 168%)
10K6.21 mi3.10 mi3723-3453512-3273512-3274136(Top 16%)3880(Top 26%)3880(Top 173%)
15K9.32 mi3.11 mi3796-733580-683580-684015(Top 15%)3771(Top 25%)3771(Top 168%)
20K12.43 mi3.11 mi3831-353616-363616-363953(Top 15%)3719(Top 25%)3719(Top 166%)
Half13.11 mi0.68 mi3807+243596+203596+203567(Top 13%)3375(Top 22%)3375(Top 151%)
25K15.53 mi2.42 mi3604+2033410+1863410+1862823(Top 11%)2699(Top 18%)2699(Top 120%)
30K18.64 mi3.11 mi3407+1973227+1833227+1832838(Top 11%)2692(Top 18%)2692(Top 120%)
20M20.00 mi1.36 mi3330+773155+723155+723020(Top 11%)2840(Top 19%)2840(Top 127%)
21M21.00 mi1.00 mi3238+923070+853070+852403(Top 9%)2272(Top 15%)2272(Top 101%)
35K21.75 mi0.75 mi3227+113055+153055+153214(Top 12%)2999(Top 20%)2999(Top 134%)
23M23.00 mi1.25 mi3213+143045+103045+103502(Top 13%)3243(Top 21%)3243(Top 145%)
24M24.00 mi1.00 mi3197+163028+173028+173365(Top 13%)3102(Top 20%)3102(Top 138%)
40K24.85 mi0.85 mi3229-323056-283056-284215(Top 16%)3750(Top 25%)3750(Top 167%)
25.2M25.20 mi0.35 mi3250-213074-183074-184720(Top 18%)4073(Top 27%)4073(Top 182%)
Finish26.22 mi1.02 mi3277-273099-253099-254516(Top 17%)3924(Top 26%)3924(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4015

Males

3771

M40-44

3771

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4136

Males

3880

M40-44

3880

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4015

Males

3771

M40-44

3771

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3953

Males

3719

M40-44

3719

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3567

Males

3375

M40-44

3375

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2823

Males

2699

M40-44

2699

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2838

Males

2692

M40-44

2692

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3020

Males

2840

M40-44

2840

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2403

Males

2272

M40-44

2272

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3214

Males

2999

M40-44

2999

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3502

Males

3243

M40-44

3243

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3365

Males

3102

M40-44

3102

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4215

Males

3750

M40-44

3750

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4720

Males

4073

M40-44

4073

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4516

Males

3924

M40-44

3924

Passing Analysis

Category:
Athletes Passed
1155
Passed By
1054
Net Change
+101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3378
5K → 10K85430-345#3378#3723
10K → 15K83156-73#3723#3796
15K → 20K90125-35#3796#3831
20K → Half3713+24#3831#3807
Half → 25K2107+203#3807#3604
25K → 30K22023+197#3604#3407
30K → 20M10023+77#3407#3330
20M → 21M1019+92#3330#3238
21M → 35K3625+11#3238#3227
35K → 23M6551+14#3227#3213
23M → 24M4428+16#3213#3197
24M → 40K2961-32#3197#3229
40K → 25.2M1233-21#3229#3250
25.2M → Finish4370-27#3250#3277
TOTALS11551054+101
📊

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