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BOSTON MARATHON 2023

Nigel Rackham

Bib: 1132•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M60-64)
#0 / 1110
Top 0.3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:03
Rank: #970
Start → 5K
19:03 | 6:08/mi
10K· 6.21 mi
38:25
Rank: #1160 (-190)
5K → 10K
19:22 | 6:14/mi
15K· 9.32 mi
58:19
Rank: #1411 (-251)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:18:29
Rank: #1590 (-179)
15K → 20K
20:10 | 6:29/mi
Half· 13.11 mi
1:22:53
Rank: #1635 (-45)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:38:40
Rank: #1710 (-75)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
1:59:10
Rank: #1695 (+15)
25K → 30K
20:30 | 6:36/mi
20M
2:08:09
Rank: #1696 (-1)
30K → 20M
8:59 | 6:37/mi
21M
2:15:11
Rank: #1712 (-16)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:20:00
Rank: #1712
21M → 35K
4:49 | 6:26/mi
23M
2:28:39
Rank: #1777 (-65)
35K → 23M
8:39 | 6:55/mi
24M
2:35:30
Rank: #1835 (-58)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:41:45
Rank: #1927 (-92)
24M → 40K
6:15 | 7:19/mi
25.2M
2:44:38
Rank: #1999 (-72)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
2:52:50
Rank: #2247 (-248)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:53
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3519:036:0819:03
6:08
-
10K
6.21 mi10:38:5738:256:1119:22
6:14
+0:06
15K
9.32 mi10:58:5158:196:1519:54
6:24
+0:10
20K
12.43 mi11:19:011:18:296:1920:10
6:29
+0:05
Half
13.11 mi11:23:251:22:536:194:24
6:27
-0:02
25K
15.53 mi11:39:121:38:406:2115:47
6:31
+0:04
30K
18.64 mi11:59:421:59:106:2420:30
6:36
+0:05
20M
20.00 mi12:08:412:08:096:248:59
6:37
+0:01
21M
21.00 mi12:15:432:15:116:267:02
7:02
+0:25
35K
21.75 mi12:20:322:20:006:264:49
6:26
-0:36
23M
23.00 mi12:29:112:28:396:288:39
6:55
+0:29
24M
24.00 mi12:36:022:35:306:296:51
6:51
-0:04
40K
24.85 mi12:42:172:41:456:306:15
7:19
+0:28
25.2M
25.20 mi12:45:102:44:386:322:53
8:22
+1:03
Finish
26.22 mi12:53:222:52:506:368:12
8:03
-0:19

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

6:08 /mi

Average Pace

6:36 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:25

22% of race

Time at Steady Pace

1:41:24

59% of race

Time at Slower Pace

33:01

19% of race

Average Pace: 6:35 /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 mi10:19:3519:036:0819:03
6:08
#970
10K
6.21 mi10:38:5738:256:1119:22
6:14
#1160
15K
9.32 mi10:58:5158:196:1519:54
6:24
#1411
20K
12.43 mi11:19:011:18:296:1920:10
6:29
#1590
Half
13.11 mi11:23:251:22:536:194:24
6:27
#1635
25K
15.53 mi11:39:121:38:406:2115:47
6:31
#1710
30K
18.64 mi11:59:421:59:106:2420:30
6:36
#1695
20M
20.00 mi12:08:412:08:096:248:59
6:37
#1696
21M
21.00 mi12:15:432:15:116:267:02
7:02
#1712
35K
21.75 mi12:20:322:20:006:264:49
6:26
#1712
23M
23.00 mi12:29:112:28:396:288:39
6:55
#1777
24M
24.00 mi12:36:022:35:306:296:51
6:51
#1835
40K
24.85 mi12:42:172:41:456:306:15
7:19
#1927
25.2M
25.20 mi12:45:102:44:386:322:53
8:22
#1999
Finish
26.22 mi12:53:222:52:506:368:12
8:03
#2247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi9709149142135(Top 8%)2048(Top 13%)2048(Top 185%)
10K6.21 mi3.10 mi1160-1901097-1831097-1831485(Top 6%)1418(Top 9%)1418(Top 128%)
15K9.32 mi3.11 mi1411-2511346-2491346-2492135(Top 8%)2048(Top 13%)2048(Top 185%)
20K12.43 mi3.11 mi1590-1791519-1731519-1732234(Top 8%)2144(Top 14%)2144(Top 193%)
Half13.11 mi0.68 mi1635-451564-451564-452469(Top 9%)2368(Top 16%)2368(Top 213%)
25K15.53 mi2.42 mi1710-751637-731637-732209(Top 8%)2119(Top 14%)2119(Top 191%)
30K18.64 mi3.11 mi1695+151620+171620+171945(Top 7%)1859(Top 12%)1859(Top 167%)
20M20.00 mi1.36 mi1696-11623-31623-31915(Top 7%)1827(Top 12%)1827(Top 165%)
21M21.00 mi1.00 mi1712-161638-151638-152282(Top 9%)2155(Top 14%)2155(Top 194%)
35K21.75 mi0.75 mi17121639-11639-12128(Top 8%)2021(Top 13%)2021(Top 182%)
23M23.00 mi1.25 mi1777-651700-611700-613247(Top 12%)3016(Top 20%)3016(Top 272%)
24M24.00 mi1.00 mi1835-581755-551755-553896(Top 15%)3555(Top 23%)3555(Top 320%)
40K24.85 mi0.85 mi1927-921843-881843-885464(Top 21%)4651(Top 31%)4651(Top 419%)
25.2M25.20 mi0.35 mi1999-721915-721915-728541(Top 32%)6442(Top 42%)6442(Top 580%)
Finish26.22 mi1.02 mi2247-2482152-2372152-23712388(Top 47%)8456(Top 56%)8456(Top 762%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2135

Males

2048

M60-64

2048

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1485

Males

1418

M60-64

1418

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2135

Males

2048

M60-64

2048

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2234

Males

2144

M60-64

2144

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2469

Males

2368

M60-64

2368

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2209

Males

2119

M60-64

2119

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1945

Males

1859

M60-64

1859

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1915

Males

1827

M60-64

1827

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2282

Males

2155

M60-64

2155

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2128

Males

2021

M60-64

2021

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3247

Males

3016

M60-64

3016

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3896

Males

3555

M60-64

3555

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5464

Males

4651

M60-64

4651

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8541

Males

6442

M60-64

6442

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12388

Males

8456

M60-64

8456

Passing Analysis

Category:
Athletes Passed
195
Passed By
1472
Net Change
-1277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#970
5K → 10K8198-190#970#1160
10K → 15K4255-251#1160#1411
15K → 20K11190-179#1411#1590
20K → Half247-45#1590#1635
Half → 25K1590-75#1635#1710
25K → 30K6146+15#1710#1695
30K → 20M2829-1#1695#1696
20M → 21M1935-16#1696#1712
21M → 35K16160#1712#1712
35K → 23M1277-65#1712#1777
23M → 24M1169-58#1777#1835
24M → 40K799-92#1835#1927
40K → 25.2M173-72#1927#1999
25.2M → Finish0248-248#1999#2247
TOTALS1951472-1277
📊

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