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BOSTON MARATHON 2023

Brett Nolan

Bib: 2001•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Masters (Masters Men)
#0 / 9891
Top 2%
Age Group (M40-44)
#0 / 2241
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #2160
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
39:49
Rank: #2015 (+145)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
59:33
Rank: #1954 (+61)
10K → 15K
19:44 | 6:21/mi
20K· 12.43 mi
1:19:20
Rank: #1857 (+97)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:23:35
Rank: #1838 (+19)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:39:03
Rank: #1792 (+46)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
1:58:57
Rank: #1664 (+128)
25K → 30K
19:54 | 6:24/mi
20M
2:07:42
Rank: #1630 (+34)
30K → 20M
8:45 | 6:26/mi
21M
2:14:26
Rank: #1577 (+53)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:19:03
Rank: #1548 (+29)
21M → 35K
4:37 | 6:10/mi
23M
2:26:54
Rank: #1473 (+75)
35K → 23M
7:51 | 6:16/mi
24M
2:33:01
Rank: #1416 (+57)
23M → 24M
6:07 | 6:07/mi
40K· 24.85 mi
2:38:25
Rank: #1377 (+39)
24M → 40K
5:24 | 6:19/mi
25.2M
2:40:44
Rank: #1363 (+14)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:46:49
Rank: #1296 (+67)
25.2M → Finish
6:05 | 5:58/mi
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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:35
Pace6:23 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:14
Pace6:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0520:086:2920:08
6:29
-
10K
6.21 mi10:40:4639:496:2419:41
6:20
-0:09
15K
9.32 mi11:00:3059:336:2319:44
6:21
+0:01
20K
12.43 mi11:20:171:19:206:2319:47
6:22
+0:01
Half
13.11 mi11:24:321:23:356:234:15
6:14
-0:08
25K
15.53 mi11:40:001:39:036:2315:28
6:23
+0:09
30K
18.64 mi11:59:541:58:576:2319:54
6:24
+0:01
20M
20.00 mi12:08:392:07:426:238:45
6:26
+0:02
21M
21.00 mi12:15:232:14:266:246:44
6:44
+0:18
35K
21.75 mi12:20:002:19:036:244:37
6:10
-0:34
23M
23.00 mi12:27:512:26:546:237:51
6:16
+0:06
24M
24.00 mi12:33:582:33:016:236:07
6:07
-0:09
40K
24.85 mi12:39:222:38:256:225:24
6:19
+0:12
25.2M
25.20 mi12:41:412:40:446:232:19
6:43
+0:24
Finish
26.22 mi12:47:462:46:496:226:05
5:58
-0:45

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:58 /mi

Average Pace

6:22 /mi

Slowest Pace

6:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:37:46

95% of race

Time at Steady Pace

9:03

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:0520:086:2920:08
6:29
#2160
10K
6.21 mi10:40:4639:496:2419:41
6:20
#2015
15K
9.32 mi11:00:3059:336:2319:44
6:21
#1954
20K
12.43 mi11:20:171:19:206:2319:47
6:22
#1857
Half
13.11 mi11:24:321:23:356:234:15
6:14
#1838
25K
15.53 mi11:40:001:39:036:2315:28
6:23
#1792
30K
18.64 mi11:59:541:58:576:2319:54
6:24
#1664
20M
20.00 mi12:08:392:07:426:238:45
6:26
#1630
21M
21.00 mi12:15:232:14:266:246:44
6:44
#1577
35K
21.75 mi12:20:002:19:036:244:37
6:10
#1548
23M
23.00 mi12:27:512:26:546:237:51
6:16
#1473
24M
24.00 mi12:33:582:33:016:236:07
6:07
#1416
40K
24.85 mi12:39:222:38:256:225:24
6:19
#1377
25.2M
25.20 mi12:41:412:40:446:232:19
6:43
#1363
Finish
26.22 mi12:47:462:46:496:226:05
5:58
#1296
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2160205920591871(Top 7%)1792(Top 12%)1792(Top 80%)
10K6.21 mi3.10 mi2015+1451931+1281931+1281907(Top 7%)1826(Top 12%)1826(Top 81%)
15K9.32 mi3.11 mi1954+611870+611870+611871(Top 7%)1792(Top 12%)1792(Top 80%)
20K12.43 mi3.11 mi1857+971777+931777+931662(Top 6%)1591(Top 10%)1591(Top 71%)
Half13.11 mi0.68 mi1838+191759+181759+181479(Top 6%)1415(Top 9%)1415(Top 63%)
25K15.53 mi2.42 mi1792+461713+461713+461630(Top 6%)1560(Top 10%)1560(Top 70%)
30K18.64 mi3.11 mi1664+1281589+1241589+1241220(Top 5%)1164(Top 8%)1164(Top 52%)
20M20.00 mi1.36 mi1630+341559+301559+301242(Top 5%)1183(Top 8%)1183(Top 53%)
21M21.00 mi1.00 mi1577+531507+521507+521200(Top 5%)1142(Top 8%)1142(Top 51%)
35K21.75 mi0.75 mi1548+291479+281479+281161(Top 4%)1105(Top 7%)1105(Top 49%)
23M23.00 mi1.25 mi1473+751407+721407+72772(Top 3%)731(Top 5%)731(Top 33%)
24M24.00 mi1.00 mi1416+571351+561351+56804(Top 3%)762(Top 5%)762(Top 34%)
40K24.85 mi0.85 mi1377+391312+391312+39950(Top 4%)899(Top 6%)899(Top 40%)
25.2M25.20 mi0.35 mi1363+141299+131299+13942(Top 4%)898(Top 6%)898(Top 40%)
Finish26.22 mi1.02 mi1296+671235+641235+64662(Top 2%)631(Top 4%)631(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1871

Males

1792

M40-44

1792

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1907

Males

1826

M40-44

1826

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1871

Males

1792

M40-44

1792

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1662

Males

1591

M40-44

1591

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1479

Males

1415

M40-44

1415

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1630

Males

1560

M40-44

1560

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1220

Males

1164

M40-44

1164

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1242

Males

1183

M40-44

1183

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1200

Males

1142

M40-44

1142

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1161

Males

1105

M40-44

1105

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

772

Males

731

M40-44

731

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

804

Males

762

M40-44

762

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

950

Males

899

M40-44

899

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

942

Males

898

M40-44

898

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

662

Males

631

M40-44

631

Passing Analysis

Category:
Athletes Passed
1012
Passed By
148
Net Change
+864
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2160
5K → 10K19752+145#2160#2015
10K → 15K9736+61#2015#1954
15K → 20K11316+97#1954#1857
20K → Half234+19#1857#1838
Half → 25K548+46#1838#1792
25K → 30K1368+128#1792#1664
30K → 20M395+34#1664#1630
20M → 21M596+53#1630#1577
21M → 35K301+29#1577#1548
35K → 23M750+75#1548#1473
23M → 24M570+57#1473#1416
24M → 40K445+39#1416#1377
40K → 25.2M184+14#1377#1363
25.2M → Finish703+67#1363#1296
TOTALS1012148+864
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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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