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BOSTON MARATHON 2025

Matt Delahey

Bib: 7321•M

SK

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #5155
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:43
Rank: #5491 (-336)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:02:59
Rank: #5771 (-280)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:24:17
Rank: #5779 (-8)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:28:52
Rank: #5758 (+21)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:18
Rank: #5519 (+239)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:06:35
Rank: #5070 (+449)
25K → 30K
21:17 | 6:51/mi
20M
2:15:51
Rank: #4864 (+206)
30K → 20M
9:16 | 6:49/mi
21M
2:22:45
Rank: #4594 (+270)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:27:33
Rank: #4429 (+165)
21M → 35K
4:48 | 6:25/mi
23M
2:35:52
Rank: #4202 (+227)
35K → 23M
8:19 | 6:39/mi
24M
2:42:36
Rank: #4123 (+79)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:48:21
Rank: #4026 (+97)
24M → 40K
5:45 | 6:44/mi
25.2M
2:50:47
Rank: #3960 (+66)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:57:20
Rank: #3834 (+126)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:52
Pace6:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:28
Pace6:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5020:436:4020:43
6:40
-
10K
6.21 mi10:49:5041:436:4321:00
6:46
+0:06
15K
9.32 mi11:11:061:02:596:4521:16
6:51
+0:05
20K
12.43 mi11:32:241:24:176:4721:18
6:51
0:00
Half
13.11 mi11:36:591:28:526:474:35
6:43
-0:08
25K
15.53 mi11:53:251:45:186:4716:26
6:47
+0:04
30K
18.64 mi12:14:422:06:356:4721:17
6:51
+0:04
20M
20.00 mi12:23:582:15:516:489:16
6:49
-0:02
21M
21.00 mi12:30:522:22:456:486:54
6:54
+0:05
35K
21.75 mi12:35:402:27:336:474:48
6:25
-0:29
23M
23.00 mi12:43:592:35:526:478:19
6:39
+0:14
24M
24.00 mi12:50:432:42:366:476:44
6:44
+0:05
40K
24.85 mi12:56:282:48:216:465:45
6:44
0:00
25.2M
25.20 mi12:58:542:50:476:472:26
7:03
+0:19
Finish
26.22 mi13:05:272:57:206:466:33
6:26
-0:37

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

6:46 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:27

32% of race

Time at Steady Pace

1:59:53

68% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:28:5020:436:4020:43
6:40
#5155
10K
6.21 mi10:49:5041:436:4321:00
6:46
#5491
15K
9.32 mi11:11:061:02:596:4521:16
6:51
#5771
20K
12.43 mi11:32:241:24:176:4721:18
6:51
#5779
Half
13.11 mi11:36:591:28:526:474:35
6:43
#5758
25K
15.53 mi11:53:251:45:186:4716:26
6:47
#5519
30K
18.64 mi12:14:422:06:356:4721:17
6:51
#5070
20M
20.00 mi12:23:582:15:516:489:16
6:49
#4864
21M
21.00 mi12:30:522:22:456:486:54
6:54
#4594
35K
21.75 mi12:35:402:27:336:474:48
6:25
#4429
23M
23.00 mi12:43:592:35:526:478:19
6:39
#4202
24M
24.00 mi12:50:432:42:366:476:44
6:44
#4123
40K
24.85 mi12:56:282:48:216:465:45
6:44
#4026
25.2M
25.20 mi12:58:542:50:476:472:26
7:03
#3960
Finish
26.22 mi13:05:272:57:206:466:33
6:26
#3834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5155480348036500(Top 23%)5862(Top 36%)5862(Top 104%)
10K6.21 mi3.10 mi5491-3365075-2725075-2725918(Top 21%)5412(Top 34%)5412(Top 96%)
15K9.32 mi3.11 mi5771-2805306-2315306-2316500(Top 23%)5862(Top 36%)5862(Top 104%)
20K12.43 mi3.11 mi5779-85303+35303+35806(Top 20%)5276(Top 33%)5276(Top 94%)
Half13.11 mi0.68 mi5758+215285+185285+185340(Top 19%)4895(Top 30%)4895(Top 87%)
25K15.53 mi2.42 mi5519+2395072+2135072+2134680(Top 16%)4309(Top 27%)4309(Top 76%)
30K18.64 mi3.11 mi5070+4494669+4034669+4033738(Top 13%)3457(Top 21%)3457(Top 61%)
20M20.00 mi1.36 mi4864+2064499+1704499+1703038(Top 11%)2828(Top 18%)2828(Top 50%)
21M21.00 mi1.00 mi4594+2704260+2394260+2391887(Top 7%)1778(Top 11%)1778(Top 32%)
35K21.75 mi0.75 mi4429+1654108+1524108+1522092(Top 7%)1959(Top 12%)1959(Top 35%)
23M23.00 mi1.25 mi4202+2273902+2063902+2062007(Top 7%)1877(Top 12%)1877(Top 33%)
24M24.00 mi1.00 mi4123+793825+773825+773125(Top 11%)2821(Top 18%)2821(Top 50%)
40K24.85 mi0.85 mi4026+973734+913734+912482(Top 9%)2264(Top 14%)2264(Top 40%)
25.2M25.20 mi0.35 mi3960+663673+613673+611663(Top 6%)1520(Top 9%)1520(Top 27%)
Finish26.22 mi1.02 mi3834+1263553+1203553+1202442(Top 9%)2222(Top 14%)2222(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6500

Males

5862

M18-39

5862

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5918

Males

5412

M18-39

5412

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6500

Males

5862

M18-39

5862

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5806

Males

5276

M18-39

5276

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5340

Males

4895

M18-39

4895

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4680

Males

4309

M18-39

4309

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3738

Males

3457

M18-39

3457

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3038

Males

2828

M18-39

2828

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1887

Males

1778

M18-39

1778

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2092

Males

1959

M18-39

1959

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2007

Males

1877

M18-39

1877

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3125

Males

2821

M18-39

2821

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2482

Males

2264

M18-39

2264

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1663

Males

1520

M18-39

1520

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2442

Males

2222

M18-39

2222

Passing Analysis

Category:
Athletes Passed
2269
Passed By
948
Net Change
+1321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5155
5K → 10K71407-336#5155#5491
10K → 15K57337-280#5491#5771
15K → 20K126134-8#5771#5779
20K → Half3716+21#5779#5758
Half → 25K25213+239#5758#5519
25K → 30K4578+449#5519#5070
30K → 20M2093+206#5070#4864
20M → 21M2711+270#4864#4594
21M → 35K1650+165#4594#4429
35K → 23M2292+227#4429#4202
23M → 24M9213+79#4202#4123
24M → 40K992+97#4123#4026
40K → 25.2M682+66#4026#3960
25.2M → Finish13610+126#3960#3834
TOTALS2269948+1321
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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