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BOSTON MARATHON 2025

Harry Duvall

Bib: 21107•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 29%
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
8:18/mi
25:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
51:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:17:25
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:42:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:48:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:08:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:36:50
↑ 181↓ 1480.2%
20M
8:09/mi
2:47:54
↑ 64↓ 500.2%
21M
8:33/mi
2:56:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
3:02:29
↑ 17↓ 861.7%
23M
8:11/mi
3:12:44
↑ 23↓ 630.6%
24M
8:04/mi
3:20:48
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:27:46
↓ 200.3%
25.2M
8:56/mi
3:30:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:38:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:23
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:50:33
Pace8:26 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3025:478:1825:47
8:18
-
10K
6.21 mi11:44:2351:408:1925:53
8:20
+0:02
15K
9.32 mi12:10:081:17:258:1825:45
8:17
-0:03
20K
12.43 mi12:35:361:42:538:1725:28
8:12
-0:05
Half
13.11 mi12:41:061:48:238:165:30
8:04
-0:08
25K
15.53 mi13:01:152:08:328:1620:09
8:19
+0:15
30K
18.64 mi13:29:332:36:508:2528:18
9:07
+0:48
20M
20.00 mi13:40:372:47:548:2411:04
8:09
-0:58
21M
21.00 mi13:49:102:56:278:248:33
8:33
+0:24
35K
21.75 mi13:55:123:02:298:236:02
8:04
-0:29
23M
23.00 mi14:05:273:12:448:2310:15
8:11
+0:07
24M
24.00 mi14:13:313:20:488:228:04
8:04
-0:07
40K
24.85 mi14:20:293:27:468:226:58
8:09
+0:05
25.2M
25.20 mi14:23:343:30:518:223:05
8:56
+0:47
Finish
26.22 mi14:31:393:38:568:218:05
7:56
-1:00

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

7:56 /mi

Average Pace

8:21 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:33

86% of race

Time at Steady Pace

31:23

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:18:3025:478:1825:47
8:18
#18698
10K
6.21 mi11:44:2351:408:1925:53
8:20
#18705
15K
9.32 mi12:10:081:17:258:1825:45
8:17
#18438
20K
12.43 mi12:35:361:42:538:1725:28
8:12
#17869
Half
13.11 mi12:41:061:48:238:165:30
8:04
#17786
25K
15.53 mi13:01:152:08:328:1620:09
8:19
#17441
30K
18.64 mi13:29:332:36:508:2528:18
9:07
#17557
20M
20.00 mi13:40:372:47:548:2411:04
8:09
#17097
21M
21.00 mi13:49:102:56:278:248:33
8:33
#16723
35K
21.75 mi13:55:123:02:298:236:02
8:04
#16548
23M
23.00 mi14:05:273:12:448:2310:15
8:11
#16199
24M
24.00 mi14:13:313:20:488:228:04
8:04
#16013
40K
24.85 mi14:20:293:27:468:226:58
8:09
#15810
25.2M
25.20 mi14:23:343:30:518:223:05
8:56
#15720
Finish
26.22 mi14:31:393:38:568:218:05
7:56
#15592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18698119011190117951(Top 63%)11611(Top 72%)11611(Top 922%)
10K6.21 mi3.10 mi18705-711911-1011911-1018740(Top 66%)11952(Top 74%)11952(Top 949%)
15K9.32 mi3.11 mi18438+26711795+11611795+11617951(Top 63%)11611(Top 72%)11611(Top 922%)
20K12.43 mi3.11 mi17869+56911557+23811557+23816273(Top 57%)10855(Top 67%)10855(Top 862%)
Half13.11 mi0.68 mi17786+8311513+4411513+4416315(Top 57%)10891(Top 68%)10891(Top 865%)
25K15.53 mi2.42 mi17441+34511368+14511368+14515973(Top 56%)10631(Top 66%)10631(Top 844%)
30K18.64 mi3.11 mi17557-11611349+1911349+1918212(Top 64%)11463(Top 71%)11463(Top 910%)
20M20.00 mi1.36 mi17097+46011138+21111138+21111423(Top 40%)8252(Top 51%)8252(Top 655%)
21M21.00 mi1.00 mi16723+37410961+17710961+17710804(Top 38%)7784(Top 48%)7784(Top 618%)
35K21.75 mi0.75 mi16548+17510871+9010871+9012684(Top 45%)8670(Top 54%)8670(Top 689%)
23M23.00 mi1.25 mi16199+34910692+17910692+17911280(Top 40%)7892(Top 49%)7892(Top 627%)
24M24.00 mi1.00 mi16013+18610579+11310579+11311699(Top 41%)8014(Top 50%)8014(Top 637%)
40K24.85 mi0.85 mi15810+20310473+10610473+10611214(Top 39%)7684(Top 48%)7684(Top 610%)
25.2M25.20 mi0.35 mi15720+9010417+5610417+5611465(Top 40%)7725(Top 48%)7725(Top 614%)
Finish26.22 mi1.02 mi15592+12810345+7210345+7212419(Top 44%)8252(Top 51%)8252(Top 655%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17951

Males

11611

M60-64

11611

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18740

Males

11952

M60-64

11952

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17951

Males

11611

M60-64

11611

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16273

Males

10855

M60-64

10855

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16315

Males

10891

M60-64

10891

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15973

Males

10631

M60-64

10631

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18212

Males

11463

M60-64

11463

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11423

Males

8252

M60-64

8252

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10804

Males

7784

M60-64

7784

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12684

Males

8670

M60-64

8670

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11280

Males

7892

M60-64

7892

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11699

Males

8014

M60-64

8014

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11214

Males

7684

M60-64

7684

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11465

Males

7725

M60-64

7725

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12419

Males

8252

M60-64

8252

Passing Analysis

Category:
Athletes Passed
3816
Passed By
710
Net Change
+3106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18698
5K → 10K261268-7#18698#18705
10K → 15K33871+267#18705#18438
15K → 20K58415+569#18438#17869
20K → Half841+83#17869#17786
Half → 25K36722+345#17786#17441
25K → 30K186302-116#17441#17557
30K → 20M4611+460#17557#17097
20M → 21M3740+374#17097#16723
21M → 35K1794+175#16723#16548
35K → 23M3490+349#16548#16199
23M → 24M1959+186#16199#16013
24M → 40K2041+203#16013#15810
40K → 25.2M955+90#15810#15720
25.2M → Finish13911+128#15720#15592
TOTALS3816710+3106
📊

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