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BOSTON MARATHON 2023

Andrew Gasparrini

Bib: 2383•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #1589
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:28
Rank: #1789 (-200)
5K → 10K
19:46 | 6:22/mi
15K· 9.32 mi
59:14
Rank: #1810 (-21)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:18:57
Rank: #1731 (+79)
15K → 20K
19:43 | 6:21/mi
Half· 13.11 mi
1:23:18
Rank: #1753 (-22)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:38:41
Rank: #1715 (+38)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:58:23
Rank: #1541 (+174)
25K → 30K
19:42 | 6:20/mi
20M
2:06:51
Rank: #1452 (+89)
30K → 20M
8:28 | 6:14/mi
21M
2:13:24
Rank: #1387 (+65)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:17:59
Rank: #1362 (+25)
21M → 35K
4:35 | 6:08/mi
23M
2:25:50
Rank: #1303 (+59)
35K → 23M
7:51 | 6:16/mi
24M
2:31:58
Rank: #1255 (+48)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:37:21
Rank: #1225 (+30)
24M → 40K
5:23 | 6:18/mi
25.2M
2:39:37
Rank: #1208 (+17)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:45:47
Rank: #1180 (+28)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:18
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:29
Pace6:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2419:426:2019:42
6:20
-
10K
6.21 mi10:40:1039:286:2119:46
6:22
+0:02
15K
9.32 mi10:59:5659:146:2119:46
6:22
0:00
20K
12.43 mi11:19:391:18:576:2119:43
6:21
-0:01
Half
13.11 mi11:24:001:23:186:214:21
6:23
+0:02
25K
15.53 mi11:39:231:38:416:2115:23
6:21
-0:02
30K
18.64 mi11:59:051:58:236:2119:42
6:20
-0:01
20M
20.00 mi12:07:332:06:516:218:28
6:14
-0:06
21M
21.00 mi12:14:062:13:246:216:33
6:33
+0:19
35K
21.75 mi12:18:412:17:596:214:35
6:08
-0:25
23M
23.00 mi12:26:322:25:506:207:51
6:16
+0:08
24M
24.00 mi12:32:402:31:586:206:08
6:08
-0:08
40K
24.85 mi12:38:032:37:216:205:23
6:18
+0:10
25.2M
25.20 mi12:40:192:39:376:202:16
6:34
+0:16
Finish
26.22 mi12:46:292:45:476:206:10
6:03
-0:31

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

6:03 /mi

Average Pace

6:20 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:05

68% of race

Time at Steady Pace

52:42

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:20:2419:426:2019:42
6:20
#1589
10K
6.21 mi10:40:1039:286:2119:46
6:22
#1789
15K
9.32 mi10:59:5659:146:2119:46
6:22
#1810
20K
12.43 mi11:19:391:18:576:2119:43
6:21
#1731
Half
13.11 mi11:24:001:23:186:214:21
6:23
#1753
25K
15.53 mi11:39:231:38:416:2115:23
6:21
#1715
30K
18.64 mi11:59:051:58:236:2119:42
6:20
#1541
20M
20.00 mi12:07:332:06:516:218:28
6:14
#1452
21M
21.00 mi12:14:062:13:246:216:33
6:33
#1387
35K
21.75 mi12:18:412:17:596:214:35
6:08
#1362
23M
23.00 mi12:26:322:25:506:207:51
6:16
#1303
24M
24.00 mi12:32:402:31:586:206:08
6:08
#1255
40K
24.85 mi12:38:032:37:216:205:23
6:18
#1225
25.2M
25.20 mi12:40:192:39:376:202:16
6:34
#1208
Finish
26.22 mi12:46:292:45:476:206:10
6:03
#1180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1589151415141915(Top 7%)1833(Top 12%)1833(Top 35%)
10K6.21 mi3.10 mi1789-2001711-1971711-1972034(Top 8%)1945(Top 13%)1945(Top 37%)
15K9.32 mi3.11 mi1810-211731-201731-201915(Top 7%)1833(Top 12%)1833(Top 35%)
20K12.43 mi3.11 mi1731+791657+741657+741583(Top 6%)1513(Top 10%)1513(Top 29%)
Half13.11 mi0.68 mi1753-221676-191676-192050(Top 8%)1966(Top 13%)1966(Top 37%)
25K15.53 mi2.42 mi1715+381642+341642+341491(Top 6%)1427(Top 9%)1427(Top 27%)
30K18.64 mi3.11 mi1541+1741472+1701472+1701039(Top 4%)988(Top 7%)988(Top 19%)
20M20.00 mi1.36 mi1452+891388+841388+84726(Top 3%)687(Top 5%)687(Top 13%)
21M21.00 mi1.00 mi1387+651325+631325+63764(Top 3%)722(Top 5%)722(Top 14%)
35K21.75 mi0.75 mi1362+251299+261299+261018(Top 4%)968(Top 6%)968(Top 18%)
23M23.00 mi1.25 mi1303+591244+551244+55770(Top 3%)729(Top 5%)729(Top 14%)
24M24.00 mi1.00 mi1255+481198+461198+46841(Top 3%)797(Top 5%)797(Top 15%)
40K24.85 mi0.85 mi1225+301168+301168+30888(Top 3%)841(Top 6%)841(Top 16%)
25.2M25.20 mi0.35 mi1208+171151+171151+17628(Top 2%)595(Top 4%)595(Top 11%)
Finish26.22 mi1.02 mi1180+281124+271124+27857(Top 3%)821(Top 5%)821(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1915

Males

1833

M18-39

1833

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2034

Males

1945

M18-39

1945

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1915

Males

1833

M18-39

1833

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1583

Males

1513

M18-39

1513

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2050

Males

1966

M18-39

1966

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1491

Males

1427

M18-39

1427

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1039

Males

988

M18-39

988

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

726

Males

687

M18-39

687

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

764

Males

722

M18-39

722

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1018

Males

968

M18-39

968

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

770

Males

729

M18-39

729

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

841

Males

797

M18-39

797

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

888

Males

841

M18-39

841

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

628

Males

595

M18-39

595

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

857

Males

821

M18-39

821

Passing Analysis

Category:
Athletes Passed
785
Passed By
376
Net Change
+409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1589
5K → 10K29229-200#1589#1789
10K → 15K4465-21#1789#1810
15K → 20K9112+79#1810#1731
20K → Half628-22#1731#1753
Half → 25K5214+38#1753#1715
25K → 30K1762+174#1715#1541
30K → 20M901+89#1541#1452
20M → 21M683+65#1452#1387
21M → 35K283+25#1387#1362
35K → 23M634+59#1362#1303
23M → 24M491+48#1303#1255
24M → 40K355+30#1255#1225
40K → 25.2M192+17#1225#1208
25.2M → Finish357+28#1208#1180
TOTALS785376+409
📊

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