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BOSTON MARATHON 2025

Michael Harris

Bib: 1030•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 12%
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
5:55/mi
18:22
↑ 97↓ 3451.5%
10K· 6.21 mi
5:57/mi
36:51
↑ 79↓ 1380.4%
15K· 9.32 mi
5:58/mi
55:24
↑ 67↓ 78
20K· 12.43 mi
6:00/mi
1:14:02
↑ 106↓ 860.1%
Half· 13.11 mi
5:56/mi
1:18:05
↑ 19↓ 370.5%
25K· 15.53 mi
6:07/mi
1:32:55
↑ 66↓ 880.2%
30K· 18.64 mi
6:02/mi
1:51:41
↑ 181↓ 1480.2%
20M
6:09/mi
2:00:03
↑ 64↓ 500.2%
21M
6:22/mi
2:06:25
↑ 106↓ 241.6%
35K· 21.75 mi
6:14/mi
2:11:05
↑ 17↓ 861.7%
23M
6:26/mi
2:19:08
↑ 23↓ 630.6%
24M
6:31/mi
2:25:39
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:31:33
↓ 200.3%
25.2M
6:55/mi
2:33:56
↑ 13↓ 160.2%
Finish· 26.22 mi
6:21/mi
2:40:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:05
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:22:19
Pace6:17 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2818:225:5518:22
5:55
-
10K
6.21 mi10:36:5736:515:5618:29
5:57
+0:02
15K
9.32 mi10:55:3055:245:5718:33
5:58
+0:01
20K
12.43 mi11:14:081:14:025:5718:38
6:00
+0:02
Half
13.11 mi11:18:111:18:055:574:03
5:56
-0:04
25K
15.53 mi11:33:011:32:555:5914:50
6:07
+0:11
30K
18.64 mi11:51:471:51:415:5918:46
6:02
-0:05
20M
20.00 mi12:00:092:00:036:008:22
6:09
+0:07
21M
21.00 mi12:06:312:06:256:016:22
6:22
+0:13
35K
21.75 mi12:11:112:11:056:024:40
6:14
-0:08
23M
23.00 mi12:19:142:19:086:038:03
6:26
+0:12
24M
24.00 mi12:25:452:25:396:046:31
6:31
+0:05
40K
24.85 mi12:31:392:31:336:065:54
6:54
+0:23
25.2M
25.20 mi12:34:022:33:566:072:23
6:55
+0:01
Finish
26.22 mi12:40:302:40:246:076:28
6:21
-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

5:55 /mi

Average Pace

6:07 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:36

91% of race

Time at Steady Pace

14:48

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:07 /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 mi10:18:2818:225:5518:22
5:55
#820
10K
6.21 mi10:36:5736:515:5618:29
5:57
#888
15K
9.32 mi10:55:3055:245:5718:33
5:58
#906
20K
12.43 mi11:14:081:14:025:5718:38
6:00
#882
Half
13.11 mi11:18:111:18:055:574:03
5:56
#888
25K
15.53 mi11:33:011:32:555:5914:50
6:07
#899
30K
18.64 mi11:51:471:51:415:5918:46
6:02
#805
20M
20.00 mi12:00:092:00:036:008:22
6:09
#783
21M
21.00 mi12:06:312:06:256:016:22
6:22
#748
35K
21.75 mi12:11:112:11:056:024:40
6:14
#742
23M
23.00 mi12:19:142:19:086:038:03
6:26
#751
24M
24.00 mi12:25:452:25:396:046:31
6:31
#777
40K
24.85 mi12:31:392:31:336:065:54
6:54
#817
25.2M
25.20 mi12:34:022:33:566:072:23
6:55
#820
Finish
26.22 mi12:40:302:40:246:076:28
6:21
#841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi820766766942(Top 3%)889(Top 6%)889(Top 16%)
10K6.21 mi3.10 mi888-68834-68834-68956(Top 3%)901(Top 6%)901(Top 16%)
15K9.32 mi3.11 mi906-18852-18852-18942(Top 3%)889(Top 6%)889(Top 16%)
20K12.43 mi3.11 mi882+24829+23829+23860(Top 3%)809(Top 5%)809(Top 14%)
Half13.11 mi0.68 mi888-6835-6835-6923(Top 3%)873(Top 5%)873(Top 15%)
25K15.53 mi2.42 mi899-11847-12847-121147(Top 4%)1081(Top 7%)1081(Top 19%)
30K18.64 mi3.11 mi805+94755+92755+92562(Top 2%)524(Top 3%)524(Top 9%)
20M20.00 mi1.36 mi783+22733+22733+22633(Top 2%)593(Top 4%)593(Top 11%)
21M21.00 mi1.00 mi748+35700+33700+33462(Top 2%)436(Top 3%)436(Top 8%)
35K21.75 mi0.75 mi742+6693+7693+71329(Top 5%)1256(Top 8%)1256(Top 22%)
23M23.00 mi1.25 mi751-9702-9702-91223(Top 4%)1152(Top 7%)1152(Top 20%)
24M24.00 mi1.00 mi777-26728-26728-262089(Top 7%)1936(Top 12%)1936(Top 34%)
40K24.85 mi0.85 mi817-40765-37765-373301(Top 12%)2943(Top 18%)2943(Top 52%)
25.2M25.20 mi0.35 mi820-3767-2767-21212(Top 4%)1114(Top 7%)1114(Top 20%)
Finish26.22 mi1.02 mi841-21787-20787-202048(Top 7%)1875(Top 12%)1875(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

942

Males

889

M18-39

889

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

956

Males

901

M18-39

901

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

942

Males

889

M18-39

889

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

860

Males

809

M18-39

809

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

923

Males

873

M18-39

873

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1147

Males

1081

M18-39

1081

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

562

Males

524

M18-39

524

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

633

Males

593

M18-39

593

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

462

Males

436

M18-39

436

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1329

Males

1256

M18-39

1256

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1223

Males

1152

M18-39

1152

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

2089

Males

1936

M18-39

1936

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3301

Males

2943

M18-39

2943

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1212

Males

1114

M18-39

1114

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2048

Males

1875

M18-39

1875

Passing Analysis

Category:
Athletes Passed
323
Passed By
344
Net Change
-21
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#820
5K → 10K2391-68#820#888
10K → 15K1836-18#888#906
15K → 20K4319+24#906#882
20K → Half410-6#882#888
Half → 25K2031-11#888#899
25K → 30K984+94#899#805
30K → 20M319+22#805#783
20M → 21M372+35#783#748
21M → 35K126+6#748#742
35K → 23M1221-9#742#751
23M → 24M935-26#751#777
24M → 40K343-40#777#817
40K → 25.2M58-3#817#820
25.2M → Finish829-21#820#841
TOTALS323344-21
📊

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