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BOSTON MARATHON 2025

John Mikalauskis

Bib: 31177•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
10:17/mi
31:57
↑ 97↓ 3451.5%
10K· 6.21 mi
10:23/mi
1:04:13
↑ 79↓ 1380.4%
15K· 9.32 mi
10:13/mi
1:35:57
↑ 67↓ 78
20K· 12.43 mi
10:02/mi
2:07:06
↑ 106↓ 860.1%
Half· 13.11 mi
10:35/mi
2:14:19
↑ 19↓ 370.5%
25K· 15.53 mi
12:08/mi
2:43:44
↑ 66↓ 880.2%
30K· 18.64 mi
11:57/mi
3:20:51
↑ 181↓ 1480.2%
20M
16:19/mi
3:43:02
↑ 64↓ 500.2%
21M
15:00/mi
3:58:02
↑ 106↓ 241.6%
35K· 21.75 mi
11:43/mi
4:06:48
↑ 17↓ 861.7%
23M
13:04/mi
4:23:10
↑ 23↓ 630.6%
24M
14:16/mi
4:37:26
↓ 821.3%
40K· 24.85 mi
12:54/mi
4:48:28
↓ 200.3%
25.2M
14:15/mi
4:53:23
↑ 13↓ 160.2%
Finish· 26.22 mi
10:56/mi
5:04:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:19
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:50:12
Pace12:59 /mi
📊Positive Split: 26.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3531:5710:1731:57
10:17
-
10K
6.21 mi12:27:511:04:1310:2032:16
10:23
+0:06
15K
9.32 mi12:59:351:35:5710:1831:44
10:13
-0:10
20K
12.43 mi13:30:442:07:0610:1431:09
10:02
-0:11
Half
13.11 mi13:37:572:14:1910:157:13
10:35
+0:33
25K
15.53 mi14:07:222:43:4410:3229:25
12:08
+1:33
30K
18.64 mi14:44:293:20:5110:4637:07
11:57
-0:11
20M
20.00 mi15:06:403:43:0211:0922:11
16:19
+4:22
21M
21.00 mi15:21:403:58:0211:2015:00
15:00
-1:19
35K
21.75 mi15:30:264:06:4811:218:46
11:43
-3:17
23M
23.00 mi15:46:484:23:1011:2716:22
13:04
+1:21
24M
24.00 mi16:01:044:37:2611:3414:16
14:16
+1:12
40K
24.85 mi16:12:064:48:2811:3611:02
12:54
-1:22
25.2M
25.20 mi16:17:014:53:2311:394:55
14:15
+1:21
Finish
26.22 mi16:28:095:04:3111:3711:08
10:56
-3:19

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

10:02 /mi

Average Pace

11:37 /mi

Slowest Pace

16:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:27

48% of race

Time at Steady Pace

1:26:20

28% of race

Time at Slower Pace

1:12:44

24% of race

Average Pace: 11:37 /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 mi11:55:3531:5710:1731:57
10:17
#26267
10K
6.21 mi12:27:511:04:1310:2032:16
10:23
#26155
15K
9.32 mi12:59:351:35:5710:1831:44
10:13
#25903
20K
12.43 mi13:30:442:07:0610:1431:09
10:02
#25485
Half
13.11 mi13:37:572:14:1910:157:13
10:35
#25508
25K
15.53 mi14:07:222:43:4410:3229:25
12:08
#25756
30K
18.64 mi14:44:293:20:5110:4637:07
11:57
#25729
20M
20.00 mi15:06:403:43:0211:0922:11
16:19
#26146
21M
21.00 mi15:21:403:58:0211:2015:00
15:00
#26248
35K
21.75 mi15:30:264:06:4811:218:46
11:43
#26233
23M
23.00 mi15:46:484:23:1011:2716:22
13:04
#26254
24M
24.00 mi16:01:044:37:2611:3414:16
14:16
#26376
40K
24.85 mi16:12:064:48:2811:3611:02
12:54
#26375
25.2M
25.20 mi16:17:014:53:2311:394:55
14:15
#26381
Finish
26.22 mi16:28:095:04:3111:3711:08
10:56
#26354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26267152981529825442(Top 90%)14904(Top 93%)14904(Top 264%)
10K6.21 mi3.10 mi26155+11215235+6315235+6326073(Top 92%)15176(Top 94%)15176(Top 269%)
15K9.32 mi3.11 mi25903+25215116+11915116+11925442(Top 90%)14904(Top 93%)14904(Top 264%)
20K12.43 mi3.11 mi25485+41814918+19814918+19824276(Top 85%)14349(Top 89%)14349(Top 254%)
Half13.11 mi0.68 mi25508-2314927-914927-925918(Top 91%)15075(Top 94%)15075(Top 267%)
25K15.53 mi2.42 mi25756-24815028-10115028-10126572(Top 94%)15329(Top 95%)15329(Top 272%)
30K18.64 mi3.11 mi25729+2714981+4714981+4725520(Top 90%)14770(Top 92%)14770(Top 262%)
20M20.00 mi1.36 mi26146-41715160-17915160-17928228(Top 99%)15999(Top 99%)15999(Top 284%)
21M21.00 mi1.00 mi26248-10215191-3115191-3127150(Top 96%)15438(Top 96%)15438(Top 274%)
35K21.75 mi0.75 mi26233+1515180+1115180+1125437(Top 90%)14559(Top 90%)14559(Top 258%)
23M23.00 mi1.25 mi26254-2115176+415176+426464(Top 93%)15069(Top 94%)15069(Top 267%)
24M24.00 mi1.00 mi26376-12215226-5015226-5027777(Top 98%)15690(Top 97%)15690(Top 278%)
40K24.85 mi0.85 mi26375+115216+1015216+1026205(Top 92%)14894(Top 92%)14894(Top 264%)
25.2M25.20 mi0.35 mi26381-6152161521626546(Top 93%)15029(Top 93%)15029(Top 266%)
Finish26.22 mi1.02 mi26354+2715193+2315193+2325220(Top 89%)14399(Top 89%)14399(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25442

Males

14904

M18-39

14904

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26073

Males

15176

M18-39

15176

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25442

Males

14904

M18-39

14904

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24276

Males

14349

M18-39

14349

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25918

Males

15075

M18-39

15075

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26572

Males

15329

M18-39

15329

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25520

Males

14770

M18-39

14770

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28228

Males

15999

M18-39

15999

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27150

Males

15438

M18-39

15438

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25437

Males

14559

M18-39

14559

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26464

Males

15069

M18-39

15069

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27777

Males

15690

M18-39

15690

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26205

Males

14894

M18-39

14894

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26546

Males

15029

M18-39

15029

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25220

Males

14399

M18-39

14399

Passing Analysis

Category:
Athletes Passed
1272
Passed By
1359
Net Change
-87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26267
5K → 10K222110+112#26267#26155
10K → 15K28432+252#26155#25903
15K → 20K4213+418#25903#25485
20K → Half1437-23#25485#25508
Half → 25K37285-248#25508#25756
25K → 30K128101+27#25756#25729
30K → 20M7424-417#25729#26146
20M → 21M15117-102#26146#26248
21M → 35K3318+15#26248#26233
35K → 23M2748-21#26233#26254
23M → 24M5127-122#26254#26376
24M → 40K3635+1#26376#26375
40K → 25.2M612-6#26375#26381
25.2M → Finish3710+27#26381#26354
TOTALS12721359-87
📊

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