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BOSTON MARATHON 2023

Luke Nelson

Bib: 3677•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:13
Rank: #2317
Start → 5K
20:13 | 6:30/mi
10K· 6.21 mi
40:02
Rank: #2206 (+111)
5K → 10K
19:49 | 6:23/mi
15K· 9.32 mi
1:00:18
Rank: #2380 (-174)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:20:53
Rank: #2498 (-118)
15K → 20K
20:35 | 6:38/mi
Half· 13.11 mi
1:25:22
Rank: #2531 (-33)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:36
Rank: #2628 (-97)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:02:50
Rank: #2695 (-67)
25K → 30K
21:14 | 6:50/mi
20M
2:12:13
Rank: #2699 (-4)
30K → 20M
9:23 | 6:54/mi
21M
2:19:36
Rank: #2729 (-30)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:24:50
Rank: #2818 (-89)
21M → 35K
5:14 | 7:00/mi
23M
2:34:03
Rank: #2980 (-162)
35K → 23M
9:13 | 7:22/mi
24M
2:41:14
Rank: #3091 (-111)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:47:30
Rank: #3187 (-96)
24M → 40K
6:16 | 7:20/mi
25.2M
2:50:17
Rank: #3251 (-64)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
2:57:32
Rank: #3334 (-83)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:22
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:32:10
Pace7:02 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3920:136:3020:13
6:30
-
10K
6.21 mi10:41:2840:026:2719:49
6:23
-0:07
15K
9.32 mi11:01:441:00:186:2820:16
6:31
+0:08
20K
12.43 mi11:22:191:20:536:3120:35
6:38
+0:07
Half
13.11 mi11:26:481:25:226:314:29
6:34
-0:04
25K
15.53 mi11:43:021:41:366:3216:14
6:42
+0:08
30K
18.64 mi12:04:162:02:506:3521:14
6:50
+0:08
20M
20.00 mi12:13:392:12:136:379:23
6:54
+0:04
21M
21.00 mi12:21:022:19:366:397:23
7:23
+0:29
35K
21.75 mi12:26:162:24:506:405:14
7:00
-0:23
23M
23.00 mi12:35:292:34:036:429:13
7:22
+0:22
24M
24.00 mi12:42:402:41:146:437:11
7:11
-0:11
40K
24.85 mi12:48:562:47:306:446:16
7:20
+0:09
25.2M
25.20 mi12:51:432:50:176:452:47
8:04
+0:44
Finish
26.22 mi12:58:582:57:326:477:15
7:07
-0:57

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

6:23 /mi

Average Pace

6:47 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:22

48% of race

Time at Steady Pace

59:20

33% of race

Time at Slower Pace

32:50

18% 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 mi10:21:3920:136:3020:13
6:30
#2317
10K
6.21 mi10:41:2840:026:2719:49
6:23
#2206
15K
9.32 mi11:01:441:00:186:2820:16
6:31
#2380
20K
12.43 mi11:22:191:20:536:3120:35
6:38
#2498
Half
13.11 mi11:26:481:25:226:314:29
6:34
#2531
25K
15.53 mi11:43:021:41:366:3216:14
6:42
#2628
30K
18.64 mi12:04:162:02:506:3521:14
6:50
#2695
20M
20.00 mi12:13:392:12:136:379:23
6:54
#2699
21M
21.00 mi12:21:022:19:366:397:23
7:23
#2729
35K
21.75 mi12:26:162:24:506:405:14
7:00
#2818
23M
23.00 mi12:35:292:34:036:429:13
7:22
#2980
24M
24.00 mi12:42:402:41:146:437:11
7:11
#3091
40K
24.85 mi12:48:562:47:306:446:16
7:20
#3187
25.2M
25.20 mi12:51:432:50:176:452:47
8:04
#3251
Finish
26.22 mi12:58:582:57:326:477:15
7:07
#3334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2317220922092775(Top 10%)2651(Top 17%)2651(Top 118%)
10K6.21 mi3.10 mi2206+1112112+972112+972133(Top 8%)2044(Top 13%)2044(Top 91%)
15K9.32 mi3.11 mi2380-1742278-1662278-1662775(Top 10%)2651(Top 17%)2651(Top 118%)
20K12.43 mi3.11 mi2498-1182391-1132391-1133010(Top 11%)2866(Top 19%)2866(Top 128%)
Half13.11 mi0.68 mi2531-332424-332424-333235(Top 12%)3085(Top 20%)3085(Top 138%)
25K15.53 mi2.42 mi2628-972513-892513-893325(Top 12%)3157(Top 21%)3157(Top 141%)
30K18.64 mi3.11 mi2695-672575-622575-623216(Top 12%)3031(Top 20%)3031(Top 135%)
20M20.00 mi1.36 mi2699-42579-42579-43440(Top 13%)3212(Top 21%)3212(Top 143%)
21M21.00 mi1.00 mi2729-302608-292608-294038(Top 15%)3716(Top 24%)3716(Top 166%)
35K21.75 mi0.75 mi2818-892693-852693-855256(Top 20%)4684(Top 31%)4684(Top 209%)
23M23.00 mi1.25 mi2980-1622836-1432836-1435598(Top 21%)4900(Top 32%)4900(Top 219%)
24M24.00 mi1.00 mi3091-1112931-952931-955611(Top 21%)4843(Top 32%)4843(Top 216%)
40K24.85 mi0.85 mi3187-963015-843015-845582(Top 21%)4729(Top 31%)4729(Top 211%)
25.2M25.20 mi0.35 mi3251-643075-603075-606795(Top 26%)5427(Top 36%)5427(Top 242%)
Finish26.22 mi1.02 mi3334-833149-743149-745868(Top 22%)4834(Top 32%)4834(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2775

Males

2651

M40-44

2651

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2133

Males

2044

M40-44

2044

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2775

Males

2651

M40-44

2651

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3010

Males

2866

M40-44

2866

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3235

Males

3085

M40-44

3085

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3325

Males

3157

M40-44

3157

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3216

Males

3031

M40-44

3031

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3440

Males

3212

M40-44

3212

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4038

Males

3716

M40-44

3716

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5256

Males

4684

M40-44

4684

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5598

Males

4900

M40-44

4900

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5611

Males

4843

M40-44

4843

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5582

Males

4729

M40-44

4729

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6795

Males

5427

M40-44

5427

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5868

Males

4834

M40-44

4834

Passing Analysis

Category:
Athletes Passed
476
Passed By
1493
Net Change
-1017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2317
5K → 10K17766+111#2317#2206
10K → 15K28202-174#2206#2380
15K → 20K29147-118#2380#2498
20K → Half437-33#2498#2531
Half → 25K26123-97#2531#2628
25K → 30K55122-67#2628#2695
30K → 20M3539-4#2695#2699
20M → 21M3060-30#2699#2729
21M → 35K796-89#2729#2818
35K → 23M23185-162#2818#2980
23M → 24M15126-111#2980#3091
24M → 40K13109-96#3091#3187
40K → 25.2M872-64#3187#3251
25.2M → Finish26109-83#3251#3334
TOTALS4761493-1017
📊

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