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BOSTON MARATHON 2025

Andrew Loizou

Bib: 2571•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:31
Rank: #2311
Start → 5K
19:31 | 6:17/mi
10K· 6.21 mi
39:08
Rank: #2392 (-81)
5K → 10K
19:37 | 6:19/mi
15K· 9.32 mi
58:38
Rank: #2314 (+78)
10K → 15K
19:30 | 6:17/mi
20K· 12.43 mi
1:18:10
Rank: #2201 (+113)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:22:24
Rank: #2186 (+15)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:43
Rank: #2132 (+54)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:57:56
Rank: #2073 (+59)
25K → 30K
20:13 | 6:30/mi
20M
2:06:40
Rank: #1989 (+84)
30K → 20M
8:44 | 6:26/mi
21M
2:13:19
Rank: #1896 (+93)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:17:48
Rank: #1812 (+84)
21M → 35K
4:29 | 6:00/mi
23M
2:25:35
Rank: #1686 (+126)
35K → 23M
7:47 | 6:13/mi
24M
2:31:42
Rank: #1591 (+95)
23M → 24M
6:07 | 6:07/mi
40K· 24.85 mi
2:37:02
Rank: #1526 (+65)
24M → 40K
5:20 | 6:14/mi
25.2M
2:39:21
Rank: #1495 (+31)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:45:37
Rank: #1469 (+26)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:24
Pace6:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:13
Pace6:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0719:316:1719:31
6:17
-
10K
6.21 mi10:40:4439:086:1819:37
6:19
+0:02
15K
9.32 mi11:00:1458:386:1719:30
6:17
-0:02
20K
12.43 mi11:19:461:18:106:1719:32
6:17
0:00
Half
13.11 mi11:24:001:22:246:174:14
6:12
-0:05
25K
15.53 mi11:39:191:37:436:1715:19
6:19
+0:07
30K
18.64 mi11:59:321:57:566:2020:13
6:30
+0:11
20M
20.00 mi12:08:162:06:406:208:44
6:26
-0:04
21M
21.00 mi12:14:552:13:196:216:39
6:39
+0:13
35K
21.75 mi12:19:242:17:486:204:29
6:00
-0:39
23M
23.00 mi12:27:112:25:356:207:47
6:13
+0:13
24M
24.00 mi12:33:182:31:426:196:07
6:07
-0:06
40K
24.85 mi12:38:382:37:026:195:20
6:14
+0:07
25.2M
25.20 mi12:40:572:39:216:192:19
6:43
+0:29
Finish
26.22 mi12:47:132:45:376:196:16
6:09
-0:34

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

6:00 /mi

Average Pace

6:19 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:39

95% of race

Time at Steady Pace

8:58

5% 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 mi10:21:0719:316:1719:31
6:17
#2311
10K
6.21 mi10:40:4439:086:1819:37
6:19
#2392
15K
9.32 mi11:00:1458:386:1719:30
6:17
#2314
20K
12.43 mi11:19:461:18:106:1719:32
6:17
#2201
Half
13.11 mi11:24:001:22:246:174:14
6:12
#2186
25K
15.53 mi11:39:191:37:436:1715:19
6:19
#2132
30K
18.64 mi11:59:321:57:566:2020:13
6:30
#2073
20M
20.00 mi12:08:162:06:406:208:44
6:26
#1989
21M
21.00 mi12:14:552:13:196:216:39
6:39
#1896
35K
21.75 mi12:19:242:17:486:204:29
6:00
#1812
23M
23.00 mi12:27:112:25:356:207:47
6:13
#1686
24M
24.00 mi12:33:182:31:426:196:07
6:07
#1591
40K
24.85 mi12:38:382:37:026:195:20
6:14
#1526
25.2M
25.20 mi12:40:572:39:216:192:19
6:43
#1495
Finish
26.22 mi12:47:132:45:376:196:16
6:09
#1469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2311220522052224(Top 8%)2120(Top 13%)2120(Top 38%)
10K6.21 mi3.10 mi2392-812280-752280-752489(Top 9%)2379(Top 15%)2379(Top 42%)
15K9.32 mi3.11 mi2314+782209+712209+712224(Top 8%)2120(Top 13%)2120(Top 38%)
20K12.43 mi3.11 mi2201+1132102+1072102+1071942(Top 7%)1849(Top 11%)1849(Top 33%)
Half13.11 mi0.68 mi2186+152086+162086+161963(Top 7%)1872(Top 12%)1872(Top 33%)
25K15.53 mi2.42 mi2132+542034+522034+521932(Top 7%)1838(Top 11%)1838(Top 33%)
30K18.64 mi3.11 mi2073+591977+571977+572005(Top 7%)1905(Top 12%)1905(Top 34%)
20M20.00 mi1.36 mi1989+841894+831894+831329(Top 5%)1256(Top 8%)1256(Top 22%)
21M21.00 mi1.00 mi1896+931803+911803+911066(Top 4%)1009(Top 6%)1009(Top 18%)
35K21.75 mi0.75 mi1812+841721+821721+82738(Top 3%)691(Top 4%)691(Top 12%)
23M23.00 mi1.25 mi1686+1261596+1251596+125713(Top 3%)674(Top 4%)674(Top 12%)
24M24.00 mi1.00 mi1591+951505+911505+91817(Top 3%)769(Top 5%)769(Top 14%)
40K24.85 mi0.85 mi1526+651441+641441+64830(Top 3%)779(Top 5%)779(Top 14%)
25.2M25.20 mi0.35 mi1495+311412+291412+29803(Top 3%)746(Top 5%)746(Top 13%)
Finish26.22 mi1.02 mi1469+261387+251387+251344(Top 5%)1251(Top 8%)1251(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2224

Males

2120

M18-39

2120

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2489

Males

2379

M18-39

2379

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2224

Males

2120

M18-39

2120

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1942

Males

1849

M18-39

1849

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1963

Males

1872

M18-39

1872

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1932

Males

1838

M18-39

1838

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2005

Males

1905

M18-39

1905

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1329

Males

1256

M18-39

1256

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1066

Males

1009

M18-39

1009

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

738

Males

691

M18-39

691

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

713

Males

674

M18-39

674

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

817

Males

769

M18-39

769

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

830

Males

779

M18-39

779

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

803

Males

746

M18-39

746

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1344

Males

1251

M18-39

1251

Passing Analysis

Category:
Athletes Passed
1151
Passed By
309
Net Change
+842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2311
5K → 10K71152-81#2311#2392
10K → 15K12143+78#2392#2314
15K → 20K13724+113#2314#2201
20K → Half216+15#2201#2186
Half → 25K7319+54#2186#2132
25K → 30K9637+59#2132#2073
30K → 20M9410+84#2073#1989
20M → 21M941+93#1989#1896
21M → 35K840+84#1896#1812
35K → 23M1271+126#1812#1686
23M → 24M961+95#1686#1591
24M → 40K694+65#1591#1526
40K → 25.2M310+31#1526#1495
25.2M → Finish3711+26#1495#1469
TOTALS1151309+842
📊

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