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BOSTON MARATHON 2025

Aristidis Kotsis

Bib: 29262•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:15/mi
25:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:16:24
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:43:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:49:03
↑ 19↓ 370.5%
25K· 15.53 mi
11:12/mi
2:16:13
↑ 66↓ 880.2%
30K· 18.64 mi
11:42/mi
2:52:33
↑ 181↓ 1480.2%
20M
15:01/mi
3:12:57
↑ 64↓ 500.2%
21M
18:06/mi
3:31:03
↑ 106↓ 241.6%
35K· 21.75 mi
13:57/mi
3:41:29
↑ 17↓ 861.7%
23M
18:01/mi
4:04:02
↑ 23↓ 630.6%
24M
18:49/mi
4:22:51
↓ 821.3%
40K· 24.85 mi
18:24/mi
4:38:35
↓ 200.3%
25.2M
19:37/mi
4:45:21
↑ 13↓ 160.2%
Finish· 26.22 mi
11:18/mi
4:56:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:03
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time3:07:49
Pace14:20 /mi
📊Positive Split: 72.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5325:378:1525:37
8:15
-
10K
6.21 mi12:10:0050:448:1025:07
8:05
-0:10
15K
9.32 mi12:35:401:16:248:1225:40
8:16
+0:11
20K
12.43 mi13:02:211:43:058:1826:41
8:35
+0:19
Half
13.11 mi13:08:191:49:038:195:58
8:45
+0:10
25K
15.53 mi13:35:292:16:138:4627:10
11:12
+2:27
30K
18.64 mi14:11:492:52:339:1536:20
11:42
+0:30
20M
20.00 mi14:32:133:12:579:3920:24
15:01
+3:19
21M
21.00 mi14:50:193:31:0310:0318:06
18:06
+3:05
35K
21.75 mi15:00:453:41:2910:1110:26
13:57
-4:09
23M
23.00 mi15:23:184:04:0210:3722:33
18:01
+4:04
24M
24.00 mi15:42:074:22:5110:5718:49
18:49
+0:48
40K
24.85 mi15:57:514:38:3511:1315:44
18:24
-0:25
25.2M
25.20 mi16:04:374:45:2111:196:46
19:37
+1:13
Finish
26.22 mi16:16:084:56:5211:2011:31
11:18
-8:19

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

8:05 /mi

Average Pace

11:20 /mi

Slowest Pace

19:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:03

37% of race

Time at Steady Pace

1:15:01

25% of race

Time at Slower Pace

1:52:48

38% of race

Average Pace: 11:19 /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 mi11:44:5325:378:1525:37
8:15
#18391
10K
6.21 mi12:10:0050:448:1025:07
8:05
#17726
15K
9.32 mi12:35:401:16:248:1225:40
8:16
#17738
20K
12.43 mi13:02:211:43:058:1826:41
8:35
#17967
Half
13.11 mi13:08:191:49:038:195:58
8:45
#18082
25K
15.53 mi13:35:292:16:138:4627:10
11:12
#20456
30K
18.64 mi14:11:492:52:339:1536:20
11:42
#22000
20M
20.00 mi14:32:133:12:579:3920:24
15:01
#22983
21M
21.00 mi14:50:193:31:0310:0318:06
18:06
#23860
35K
21.75 mi15:00:453:41:2910:1110:26
13:57
#24125
23M
23.00 mi15:23:184:04:0210:3722:33
18:01
#24906
24M
24.00 mi15:42:074:22:5110:5718:49
18:49
#25424
40K
24.85 mi15:57:514:38:3511:1315:44
18:24
#25809
25.2M
25.20 mi16:04:374:45:2111:196:46
19:37
#25949
Finish
26.22 mi16:16:084:56:5211:2011:31
11:18
#25968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18391117651176517798(Top 63%)11548(Top 72%)11548(Top 701%)
10K6.21 mi3.10 mi17726+66511519+24611519+24617085(Top 60%)11284(Top 70%)11284(Top 685%)
15K9.32 mi3.11 mi17738-1211516+311516+317798(Top 63%)11548(Top 72%)11548(Top 701%)
20K12.43 mi3.11 mi17967-22911597-8111597-8118781(Top 66%)11940(Top 74%)11940(Top 725%)
Half13.11 mi0.68 mi18082-11511645-4811645-4820632(Top 73%)12758(Top 79%)12758(Top 774%)
25K15.53 mi2.42 mi20456-237412653-100812653-100825480(Top 90%)14856(Top 92%)14856(Top 901%)
30K18.64 mi3.11 mi22000-154413316-66313316-66325135(Top 88%)14597(Top 91%)14597(Top 886%)
20M20.00 mi1.36 mi22983-98313719-40313719-40327875(Top 98%)15812(Top 98%)15812(Top 959%)
21M21.00 mi1.00 mi23860-87714112-39314112-39328289(Top 100%)16035(Top 100%)16035(Top 973%)
35K21.75 mi0.75 mi24125-26514229-11714229-11727656(Top 97%)15648(Top 97%)15648(Top 950%)
23M23.00 mi1.25 mi24906-78114564-33514564-33528330(Top 100%)16051(Top 100%)16051(Top 974%)
24M24.00 mi1.00 mi25424-51814785-22114785-22128371(Top 100%)16080(Top 100%)16080(Top 976%)
40K24.85 mi0.85 mi25809-38514955-17014955-17028341(Top 100%)16062(Top 100%)16062(Top 975%)
25.2M25.20 mi0.35 mi25949-14015027-7215027-7228341(Top 100%)16061(Top 100%)16061(Top 975%)
Finish26.22 mi1.02 mi25968-19150271502725872(Top 91%)14719(Top 91%)14719(Top 893%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17798

Males

11548

M55-59

11548

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17085

Males

11284

M55-59

11284

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17798

Males

11548

M55-59

11548

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18781

Males

11940

M55-59

11940

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20632

Males

12758

M55-59

12758

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25480

Males

14856

M55-59

14856

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25135

Males

14597

M55-59

14597

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27875

Males

15812

M55-59

15812

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

28289

Males

16035

M55-59

16035

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27656

Males

15648

M55-59

15648

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

28330

Males

16051

M55-59

16051

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28371

Males

16080

M55-59

16080

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28341

Males

16062

M55-59

16062

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28341

Males

16061

M55-59

16061

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25872

Males

14719

M55-59

14719

Passing Analysis

Category:
Athletes Passed
1118
Passed By
8695
Net Change
-7577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18391
5K → 10K73873+665#18391#17726
10K → 15K185197-12#17726#17738
15K → 20K114343-229#17738#17967
20K → Half16131-115#17967#18082
Half → 25K22376-2374#18082#20456
25K → 30K251569-1544#20456#22000
30K → 20M10993-983#22000#22983
20M → 21M3880-877#22983#23860
21M → 35K1266-265#23860#24125
35K → 23M4785-781#24125#24906
23M → 24M2520-518#24906#25424
24M → 40K1386-385#25424#25809
40K → 25.2M0140-140#25809#25949
25.2M → Finish1736-19#25949#25968
TOTALS11188695-7577
📊

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