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BOSTON MARATHON 2023

James Miller

Bib: 3265•M

AK

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M40-44)
#0 / 2241
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #3314
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
40:26
Rank: #2536 (+778)
5K → 10K
19:44 | 6:21/mi
15K· 9.32 mi
1:00:09
Rank: #2275 (+261)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:20:18
Rank: #2244 (+31)
15K → 20K
20:09 | 6:29/mi
Half· 13.11 mi
1:24:39
Rank: #2232 (+12)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:40:27
Rank: #2235 (-3)
Half → 25K
15:48 | 6:31/mi
30K· 18.64 mi
2:00:48
Rank: #2124 (+111)
25K → 30K
20:21 | 6:33/mi
20M
2:09:39
Rank: #2055 (+69)
30K → 20M
8:51 | 6:31/mi
21M
2:16:32
Rank: #2018 (+37)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:21:10
Rank: #1971 (+47)
21M → 35K
4:38 | 6:12/mi
23M
2:29:18
Rank: #1893 (+78)
35K → 23M
8:08 | 6:30/mi
24M
2:35:33
Rank: #1840 (+53)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:40:57
Rank: #1784 (+56)
24M → 40K
5:24 | 6:19/mi
25.2M
2:43:17
Rank: #1753 (+31)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:49:30
Rank: #1699 (+54)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:39
Pace6:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2220:426:4020:42
6:40
-
10K
6.21 mi10:42:0640:266:3019:44
6:21
-0:19
15K
9.32 mi11:01:491:00:096:2719:43
6:21
0:00
20K
12.43 mi11:21:581:20:186:2820:09
6:29
+0:08
Half
13.11 mi11:26:191:24:396:274:21
6:23
-0:06
25K
15.53 mi11:42:071:40:276:2815:48
6:31
+0:08
30K
18.64 mi12:02:282:00:486:2920:21
6:33
+0:02
20M
20.00 mi12:11:192:09:396:298:51
6:31
-0:02
21M
21.00 mi12:18:122:16:326:306:53
6:53
+0:22
35K
21.75 mi12:22:502:21:106:294:38
6:12
-0:41
23M
23.00 mi12:30:582:29:186:298:08
6:30
+0:18
24M
24.00 mi12:37:132:35:336:296:15
6:15
-0:15
40K
24.85 mi12:42:372:40:576:295:24
6:19
+0:04
25.2M
25.20 mi12:44:572:43:176:292:20
6:46
+0:27
Finish
26.22 mi12:51:102:49:306:286:13
6:06
-0:40

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

6:06 /mi

Average Pace

6:28 /mi

Slowest Pace

6:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:17

95% of race

Time at Steady Pace

9:13

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:22:2220:426:4020:42
6:40
#3314
10K
6.21 mi10:42:0640:266:3019:44
6:21
#2536
15K
9.32 mi11:01:491:00:096:2719:43
6:21
#2275
20K
12.43 mi11:21:581:20:186:2820:09
6:29
#2244
Half
13.11 mi11:26:191:24:396:274:21
6:23
#2232
25K
15.53 mi11:42:071:40:276:2815:48
6:31
#2235
30K
18.64 mi12:02:282:00:486:2920:21
6:33
#2124
20M
20.00 mi12:11:192:09:396:298:51
6:31
#2055
21M
21.00 mi12:18:122:16:326:306:53
6:53
#2018
35K
21.75 mi12:22:502:21:106:294:38
6:12
#1971
23M
23.00 mi12:30:582:29:186:298:08
6:30
#1893
24M
24.00 mi12:37:132:35:336:296:15
6:15
#1840
40K
24.85 mi12:42:372:40:576:295:24
6:19
#1784
25.2M
25.20 mi12:44:572:43:176:292:20
6:46
#1753
Finish
26.22 mi12:51:102:49:306:286:13
6:06
#1699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3314312631261855(Top 7%)1777(Top 12%)1777(Top 79%)
10K6.21 mi3.10 mi2536+7782418+7082418+7081983(Top 7%)1900(Top 13%)1900(Top 85%)
15K9.32 mi3.11 mi2275+2612178+2402178+2401855(Top 7%)1777(Top 12%)1777(Top 79%)
20K12.43 mi3.11 mi2244+312149+292149+292196(Top 8%)2107(Top 14%)2107(Top 94%)
Half13.11 mi0.68 mi2232+122138+112138+112078(Top 8%)1994(Top 13%)1994(Top 89%)
25K15.53 mi2.42 mi2235-32142-42142-42234(Top 8%)2142(Top 14%)2142(Top 96%)
30K18.64 mi3.11 mi2124+1112037+1052037+1051753(Top 7%)1677(Top 11%)1677(Top 75%)
20M20.00 mi1.36 mi2055+691970+671970+671485(Top 6%)1414(Top 9%)1414(Top 63%)
21M21.00 mi1.00 mi2018+371933+371933+371697(Top 6%)1613(Top 11%)1613(Top 72%)
35K21.75 mi0.75 mi1971+471887+461887+461236(Top 5%)1179(Top 8%)1179(Top 53%)
23M23.00 mi1.25 mi1893+781813+741813+741406(Top 5%)1334(Top 9%)1334(Top 60%)
24M24.00 mi1.00 mi1840+531760+531760+531199(Top 5%)1136(Top 7%)1136(Top 51%)
40K24.85 mi0.85 mi1784+561706+541706+54959(Top 4%)908(Top 6%)908(Top 41%)
25.2M25.20 mi0.35 mi1753+311675+311675+311081(Top 4%)1028(Top 7%)1028(Top 46%)
Finish26.22 mi1.02 mi1699+541623+521623+52987(Top 4%)941(Top 6%)941(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1855

Males

1777

M40-44

1777

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1983

Males

1900

M40-44

1900

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1855

Males

1777

M40-44

1777

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2196

Males

2107

M40-44

2107

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2078

Males

1994

M40-44

1994

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2234

Males

2142

M40-44

2142

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1753

Males

1677

M40-44

1677

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1485

Males

1414

M40-44

1414

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1697

Males

1613

M40-44

1613

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1236

Males

1179

M40-44

1179

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1406

Males

1334

M40-44

1334

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1199

Males

1136

M40-44

1136

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

959

Males

908

M40-44

908

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1081

Males

1028

M40-44

1028

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

987

Males

941

M40-44

941

Passing Analysis

Category:
Athletes Passed
1788
Passed By
173
Net Change
+1615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3314
5K → 10K7824+778#3314#2536
10K → 15K2654+261#2536#2275
15K → 20K8049+31#2275#2244
20K → Half175+12#2244#2232
Half → 25K3740-3#2232#2235
25K → 30K13322+111#2235#2124
30K → 20M778+69#2124#2055
20M → 21M4912+37#2055#2018
21M → 35K514+47#2018#1971
35K → 23M824+78#1971#1893
23M → 24M563+53#1893#1840
24M → 40K604+56#1840#1784
40K → 25.2M343+31#1784#1753
25.2M → Finish6511+54#1753#1699
TOTALS1788173+1615
📊

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