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BOSTON MARATHON 2025

Christopher Denno

Bib: 7343•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M40-44)
#0 / 2247
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:02
Rank: #3458
Start → 5K
6:27/mi
20:02 split
10K· 6.21 mi
40:13
Rank: #3571 (-113)
5K → 10K
6:30/mi
20:11 split
15K· 9.32 mi
1:00:31
Rank: #3647 (-76)
10K → 15K
6:32/mi
20:18 split
20K· 12.43 mi
1:20:49
Rank: #3533 (+114)
15K → 20K
6:32/mi
20:18 split
Half· 13.11 mi
1:25:12
Rank: #3503 (+30)
20K → Half
6:25/mi
4:23 split
25K· 15.53 mi
1:41:15
Rank: #3505 (-2)
Half → 25K
6:37/mi
16:03 split
30K· 18.64 mi
2:02:20
Rank: #3408 (+97)
25K → 30K
6:47/mi
21:05 split
20M
2:11:50
Rank: #3420 (-12)
30K → 20M
6:59/mi
9:30 split
21M
2:19:05
Rank: #3386 (+34)
20M → 21M
7:15/mi
7:15 split
35K· 21.75 mi
2:24:11
Rank: #3390 (-4)
21M → 35K
6:49/mi
5:06 split
23M
2:32:59
Rank: #3354 (+36)
35K → 23M
7:02/mi
8:48 split
24M
2:39:57
Rank: #3376 (-22)
23M → 24M
6:58/mi
6:58 split
40K· 24.85 mi
2:45:58
Rank: #3369 (+7)
24M → 40K
7:02/mi
6:01 split
25.2M
2:48:34
Rank: #3363 (+6)
40K → 25.2M
7:32/mi
2:36 split
Finish· 26.22 mi
2:55:27
Rank: #3348 (+15)
25.2M → Finish
6:45/mi
6:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:12
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1820:026:2720:02
6:27
-
10K
6.21 mi10:46:2940:136:2820:11
6:30
+0:03
15K
9.32 mi11:06:471:00:316:3020:18
6:32
+0:02
20K
12.43 mi11:27:051:20:496:3020:18
6:32
0:00
Half
13.11 mi11:31:281:25:126:304:23
6:25
-0:07
25K
15.53 mi11:47:311:41:156:3116:03
6:37
+0:12
30K
18.64 mi12:08:362:02:206:3421:05
6:47
+0:10
20M
20.00 mi12:18:062:11:506:359:30
6:59
+0:12
21M
21.00 mi12:25:212:19:056:377:15
7:15
+0:16
35K
21.75 mi12:30:272:24:116:385:06
6:49
-0:26
23M
23.00 mi12:39:152:32:596:398:48
7:02
+0:13
24M
24.00 mi12:46:132:39:576:406:58
6:58
-0:04
40K
24.85 mi12:52:142:45:586:416:01
7:02
+0:04
25.2M
25.20 mi12:54:502:48:346:412:36
7:32
+0:30
Finish
26.22 mi13:01:432:55:276:426:53
6:45
-0:47

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

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:36

94% of race

Time at Steady Pace

9:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:26:1820:026:2720:02
6:27
#3458
10K
6.21 mi10:46:2940:136:2820:11
6:30
#3571
15K
9.32 mi11:06:471:00:316:3020:18
6:32
#3647
20K
12.43 mi11:27:051:20:496:3020:18
6:32
#3533
Half
13.11 mi11:31:281:25:126:304:23
6:25
#3503
25K
15.53 mi11:47:311:41:156:3116:03
6:37
#3505
30K
18.64 mi12:08:362:02:206:3421:05
6:47
#3408
20M
20.00 mi12:18:062:11:506:359:30
6:59
#3420
21M
21.00 mi12:25:212:19:056:377:15
7:15
#3386
35K
21.75 mi12:30:272:24:116:385:06
6:49
#3390
23M
23.00 mi12:39:152:32:596:398:48
7:02
#3354
24M
24.00 mi12:46:132:39:576:406:58
6:58
#3376
40K
24.85 mi12:52:142:45:586:416:01
7:02
#3369
25.2M
25.20 mi12:54:502:48:346:412:36
7:32
#3363
Finish
26.22 mi13:01:432:55:276:426:53
6:45
#3348
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3458328532853780(Top 13%)3566(Top 22%)3566(Top 159%)
10K6.21 mi3.10 mi3571-1133387-1023387-1023700(Top 13%)3492(Top 22%)3492(Top 155%)
15K9.32 mi3.11 mi3647-763450-633450-633780(Top 13%)3566(Top 22%)3566(Top 159%)
20K12.43 mi3.11 mi3533+1143348+1023348+1023320(Top 12%)3145(Top 20%)3145(Top 140%)
Half13.11 mi0.68 mi3503+303319+293319+293258(Top 11%)3099(Top 19%)3099(Top 138%)
25K15.53 mi2.42 mi3505-23318+13318+13595(Top 13%)3387(Top 21%)3387(Top 151%)
30K18.64 mi3.11 mi3408+973225+933225+933361(Top 12%)3139(Top 19%)3139(Top 140%)
20M20.00 mi1.36 mi3420-123234-93234-94062(Top 14%)3722(Top 23%)3722(Top 166%)
21M21.00 mi1.00 mi3386+343200+343200+343389(Top 12%)3111(Top 19%)3111(Top 138%)
35K21.75 mi0.75 mi3390-43199+13199+14225(Top 15%)3778(Top 23%)3778(Top 168%)
23M23.00 mi1.25 mi3354+363164+353164+353933(Top 14%)3522(Top 22%)3522(Top 157%)
24M24.00 mi1.00 mi3376-223177-133177-134440(Top 16%)3861(Top 24%)3861(Top 172%)
40K24.85 mi0.85 mi3369+73167+103167+104130(Top 15%)3588(Top 22%)3588(Top 160%)
25.2M25.20 mi0.35 mi3363+63155+123155+123593(Top 13%)3137(Top 19%)3137(Top 140%)
Finish26.22 mi1.02 mi3348+153136+193136+194225(Top 15%)3602(Top 22%)3602(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3780

Males

3566

M40-44

3566

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3700

Males

3492

M40-44

3492

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3780

Males

3566

M40-44

3566

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3320

Males

3145

M40-44

3145

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

3258

Males

3099

M40-44

3099

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3595

Males

3387

M40-44

3387

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3361

Males

3139

M40-44

3139

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

4062

Males

3722

M40-44

3722

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3389

Males

3111

M40-44

3111

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4225

Males

3778

M40-44

3778

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3933

Males

3522

M40-44

3522

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4440

Males

3861

M40-44

3861

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4130

Males

3588

M40-44

3588

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3593

Males

3137

M40-44

3137

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4225

Males

3602

M40-44

3602

Passing Analysis

Category:
Athletes Passed
962
Passed By
852
Net Change
+110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3458
5K → 10K80193-113#3458#3571
10K → 15K81157-76#3571#3647
15K → 20K15541+114#3647#3533
20K → Half311+30#3533#3503
Half → 25K6870-2#3503#3505
25K → 30K15558+97#3505#3408
30K → 20M5567-12#3408#3420
20M → 21M7238+34#3420#3386
21M → 35K3337-4#3386#3390
35K → 23M7236+36#3390#3354
23M → 24M3961-22#3354#3376
24M → 40K4437+7#3376#3369
40K → 25.2M2721+6#3369#3363
25.2M → Finish5035+15#3363#3348
TOTALS962852+110
📊

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