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BOSTON MARATHON 2023

Nicholas Blanchard

Bib: 1750•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #1554
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:27
Rank: #1787 (-233)
5K → 10K
19:47 | 6:22/mi
15K· 9.32 mi
59:20
Rank: #1860 (-73)
10K → 15K
19:53 | 6:24/mi
20K· 12.43 mi
1:19:12
Rank: #1824 (+36)
15K → 20K
19:52 | 6:24/mi
Half· 13.11 mi
1:23:35
Rank: #1842 (-18)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:39:30
Rank: #1916 (-74)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:01:00
Rank: #2186 (-270)
25K → 30K
21:30 | 6:55/mi
20M
2:10:31
Rank: #2273 (-87)
30K → 20M
9:31 | 7:00/mi
21M
2:18:07
Rank: #2377 (-104)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:23:05
Rank: #2380 (-3)
21M → 35K
4:58 | 6:38/mi
23M
2:32:24
Rank: #2504 (-124)
35K → 23M
9:19 | 7:26/mi
24M
2:39:37
Rank: #2640 (-136)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
2:45:55
Rank: #2752 (-112)
24M → 40K
6:18 | 7:22/mi
25.2M
2:48:26
Rank: #2743 (+9)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:55:01
Rank: #2698 (+45)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:35
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1319:406:2019:40
6:20
-
10K
6.21 mi10:40:0039:276:2119:47
6:22
+0:02
15K
9.32 mi10:59:5359:206:2219:53
6:24
+0:02
20K
12.43 mi11:19:451:19:126:2219:52
6:24
0:00
Half
13.11 mi11:24:081:23:356:234:23
6:25
+0:01
25K
15.53 mi11:40:031:39:306:2415:55
6:34
+0:09
30K
18.64 mi12:01:332:01:006:2921:30
6:55
+0:21
20M
20.00 mi12:11:042:10:316:329:31
7:00
+0:05
21M
21.00 mi12:18:402:18:076:357:36
7:36
+0:36
35K
21.75 mi12:23:382:23:056:354:58
6:38
-0:58
23M
23.00 mi12:32:572:32:246:389:19
7:26
+0:48
24M
24.00 mi12:40:102:39:376:397:13
7:13
-0:13
40K
24.85 mi12:46:282:45:556:416:18
7:22
+0:09
25.2M
25.20 mi12:48:592:48:266:412:31
7:18
-0:04
Finish
26.22 mi12:55:342:55:016:416:35
6:28
-0:50

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

6:20 /mi

Average Pace

6:41 /mi

Slowest Pace

7:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:33

76% of race

Time at Steady Pace

34:52

20% of race

Time at Slower Pace

7:36

4% of race

Average Pace: 6:40 /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 mi10:20:1319:406:2019:40
6:20
#1554
10K
6.21 mi10:40:0039:276:2119:47
6:22
#1787
15K
9.32 mi10:59:5359:206:2219:53
6:24
#1860
20K
12.43 mi11:19:451:19:126:2219:52
6:24
#1824
Half
13.11 mi11:24:081:23:356:234:23
6:25
#1842
25K
15.53 mi11:40:031:39:306:2415:55
6:34
#1916
30K
18.64 mi12:01:332:01:006:2921:30
6:55
#2186
20M
20.00 mi12:11:042:10:316:329:31
7:00
#2273
21M
21.00 mi12:18:402:18:076:357:36
7:36
#2377
35K
21.75 mi12:23:382:23:056:354:58
6:38
#2380
23M
23.00 mi12:32:572:32:246:389:19
7:26
#2504
24M
24.00 mi12:40:102:39:376:397:13
7:13
#2640
40K
24.85 mi12:46:282:45:556:416:18
7:22
#2752
25.2M
25.20 mi12:48:592:48:266:412:31
7:18
#2743
Finish
26.22 mi12:55:342:55:016:416:35
6:28
#2698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1554147914792112(Top 8%)2025(Top 13%)2025(Top 38%)
10K6.21 mi3.10 mi1787-2331709-2301709-2302082(Top 8%)1993(Top 13%)1993(Top 38%)
15K9.32 mi3.11 mi1860-731779-701779-702112(Top 8%)2025(Top 13%)2025(Top 38%)
20K12.43 mi3.11 mi1824+361745+341745+341787(Top 7%)1710(Top 11%)1710(Top 32%)
Half13.11 mi0.68 mi1842-181763-181763-182415(Top 9%)2314(Top 15%)2314(Top 44%)
25K15.53 mi2.42 mi1916-741834-711834-712528(Top 9%)2418(Top 16%)2418(Top 46%)
30K18.64 mi3.11 mi2186-2702096-2622096-2623811(Top 14%)3570(Top 24%)3570(Top 68%)
20M20.00 mi1.36 mi2273-872180-842180-844087(Top 15%)3777(Top 25%)3777(Top 71%)
21M21.00 mi1.00 mi2377-1042278-982278-985135(Top 19%)4562(Top 30%)4562(Top 86%)
35K21.75 mi0.75 mi2380-32279-12279-13283(Top 12%)3054(Top 20%)3054(Top 58%)
23M23.00 mi1.25 mi2504-1242395-1162395-1166139(Top 23%)5268(Top 35%)5268(Top 100%)
24M24.00 mi1.00 mi2640-1362520-1252520-1255887(Top 22%)5017(Top 33%)5017(Top 95%)
40K24.85 mi0.85 mi2752-1122617-972617-975939(Top 22%)4966(Top 33%)4966(Top 94%)
25.2M25.20 mi0.35 mi2743+92607+102607+103051(Top 11%)2776(Top 18%)2776(Top 53%)
Finish26.22 mi1.02 mi2698+452567+402567+402336(Top 9%)2154(Top 14%)2154(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2112

Males

2025

M18-39

2025

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2082

Males

1993

M18-39

1993

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2112

Males

2025

M18-39

2025

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1787

Males

1710

M18-39

1710

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2415

Males

2314

M18-39

2314

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2528

Males

2418

M18-39

2418

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3811

Males

3570

M18-39

3570

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4087

Males

3777

M18-39

3777

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5135

Males

4562

M18-39

4562

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3283

Males

3054

M18-39

3054

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6139

Males

5268

M18-39

5268

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5887

Males

5017

M18-39

5017

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5939

Males

4966

M18-39

4966

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3051

Males

2776

M18-39

2776

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2336

Males

2154

M18-39

2154

Passing Analysis

Category:
Athletes Passed
327
Passed By
1471
Net Change
-1144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1554
5K → 10K25258-233#1554#1787
10K → 15K29102-73#1787#1860
15K → 20K7438+36#1860#1824
20K → Half422-18#1824#1842
Half → 25K1791-74#1842#1916
25K → 30K15285-270#1916#2186
30K → 20M17104-87#2186#2273
20M → 21M11115-104#2273#2377
21M → 35K2225-3#2377#2380
35K → 23M14138-124#2380#2504
23M → 24M11147-136#2504#2640
24M → 40K9121-112#2640#2752
40K → 25.2M178+9#2752#2743
25.2M → Finish6217+45#2743#2698
TOTALS3271471-1144
📊

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