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BOSTON MARATHON 2023

Andrew Gilbert

Bib: 4181•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:45/mi
20:59
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
41:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:03:38
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:26:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:58/mi
1:31:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:48:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:13:24
↑ 181↓ 1480.2%
20M
7:48/mi
2:24:00
↑ 64↓ 500.2%
21M
7:51/mi
2:31:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:37:30
↑ 17↓ 861.7%
23M
7:44/mi
2:47:11
↑ 23↓ 630.6%
24M
7:29/mi
2:54:40
↓ 821.3%
40K· 24.85 mi
7:15/mi
3:00:52
↓ 200.3%
25.2M
7:32/mi
3:03:28
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
3:10:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0320:596:4520:59
6:45
-
10K
6.21 mi10:43:5741:536:4420:54
6:44
-0:01
15K
9.32 mi11:05:421:03:386:5021:45
7:00
+0:16
20K
12.43 mi11:28:201:26:166:5622:38
7:17
+0:17
Half
13.11 mi11:33:051:31:016:574:45
6:58
-0:19
25K
15.53 mi11:50:561:48:527:0017:51
7:22
+0:24
30K
18.64 mi12:15:282:13:247:0924:32
7:54
+0:32
20M
20.00 mi12:26:042:24:007:1210:36
7:48
-0:06
21M
21.00 mi12:33:552:31:517:147:51
7:51
+0:03
35K
21.75 mi12:39:342:37:307:155:39
7:33
-0:18
23M
23.00 mi12:49:152:47:117:169:41
7:44
+0:11
24M
24.00 mi12:56:442:54:407:177:29
7:29
-0:15
40K
24.85 mi13:02:563:00:527:176:12
7:15
-0:14
25.2M
25.20 mi13:05:323:03:287:172:36
7:32
+0:17
Finish
26.22 mi13:12:223:10:187:166:50
6:42
-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

6:42 /mi

Average Pace

7:16 /mi

Slowest Pace

7:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:54

64% of race

Time at Steady Pace

1:08:24

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:23:0320:596:4520:59
6:45
#4196
10K
6.21 mi10:43:5741:536:4420:54
6:44
#4391
15K
9.32 mi11:05:421:03:386:5021:45
7:00
#5244
20K
12.43 mi11:28:201:26:166:5622:38
7:17
#5994
Half
13.11 mi11:33:051:31:016:574:45
6:58
#6015
25K
15.53 mi11:50:561:48:527:0017:51
7:22
#6270
30K
18.64 mi12:15:282:13:247:0924:32
7:54
#6720
20M
20.00 mi12:26:042:24:007:1210:36
7:48
#6832
21M
21.00 mi12:33:552:31:517:147:51
7:51
#6760
35K
21.75 mi12:39:342:37:307:155:39
7:33
#6797
23M
23.00 mi12:49:152:47:117:169:41
7:44
#6799
24M
24.00 mi12:56:442:54:407:177:29
7:29
#6802
40K
24.85 mi13:02:563:00:527:176:12
7:15
#6703
25.2M
25.20 mi13:05:323:03:287:172:36
7:32
#6649
Finish
26.22 mi13:12:223:10:187:166:50
6:42
#6488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4196393239326556(Top 25%)5901(Top 39%)5901(Top 112%)
10K6.21 mi3.10 mi4391-1954112-1804112-1804623(Top 17%)4311(Top 28%)4311(Top 82%)
15K9.32 mi3.11 mi5244-8534858-7464858-7466556(Top 25%)5901(Top 39%)5901(Top 112%)
20K12.43 mi3.11 mi5994-7505471-6135471-6137653(Top 29%)6656(Top 44%)6656(Top 126%)
Half13.11 mi0.68 mi6015-215488-175488-176339(Top 24%)5749(Top 38%)5749(Top 109%)
25K15.53 mi2.42 mi6270-2555684-1965684-1967682(Top 29%)6593(Top 43%)6593(Top 125%)
30K18.64 mi3.11 mi6720-4506006-3226006-32210089(Top 38%)7867(Top 52%)7867(Top 149%)
20M20.00 mi1.36 mi6832-1126076-706076-708817(Top 33%)7076(Top 47%)7076(Top 134%)
21M21.00 mi1.00 mi6760+726013+636013+636426(Top 24%)5498(Top 36%)5498(Top 104%)
35K21.75 mi0.75 mi6797-376036-236036-238850(Top 33%)6974(Top 46%)6974(Top 132%)
23M23.00 mi1.25 mi6799-26014+226014+227931(Top 30%)6366(Top 42%)6366(Top 120%)
24M24.00 mi1.00 mi6802-35995+195995+197557(Top 28%)6036(Top 40%)6036(Top 114%)
40K24.85 mi0.85 mi6703+995910+855910+855154(Top 19%)4450(Top 29%)4450(Top 84%)
25.2M25.20 mi0.35 mi6649+545863+475863+474110(Top 15%)3652(Top 24%)3652(Top 69%)
Finish26.22 mi1.02 mi6488+1615739+1245739+1243569(Top 13%)3194(Top 21%)3194(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6556

Males

5901

M18-39

5901

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4623

Males

4311

M18-39

4311

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6556

Males

5901

M18-39

5901

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7653

Males

6656

M18-39

6656

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6339

Males

5749

M18-39

5749

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7682

Males

6593

M18-39

6593

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10089

Males

7867

M18-39

7867

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8817

Males

7076

M18-39

7076

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6426

Males

5498

M18-39

5498

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8850

Males

6974

M18-39

6974

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7931

Males

6366

M18-39

6366

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7557

Males

6036

M18-39

6036

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5154

Males

4450

M18-39

4450

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4110

Males

3652

M18-39

3652

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3569

Males

3194

M18-39

3194

Passing Analysis

Category:
Athletes Passed
849
Passed By
3141
Net Change
-2292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4196
5K → 10K140335-195#4196#4391
10K → 15K10863-853#4391#5244
15K → 20K14764-750#5244#5994
20K → Half1334-21#5994#6015
Half → 25K30285-255#6015#6270
25K → 30K33483-450#6270#6720
30K → 20M29141-112#6720#6832
20M → 21M10028+72#6832#6760
21M → 35K2663-37#6760#6797
35K → 23M6466-2#6797#6799
23M → 24M5861-3#6799#6802
24M → 40K11314+99#6802#6703
40K → 25.2M562+54#6703#6649
25.2M → Finish1632+161#6649#6488
TOTALS8493141-2292
📊

Passing Visuals

Category:
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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