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BOSTON MARATHON 2025

Daniel Stranieri

Bib: 7866•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M40-44)
#0 / 2247
Top 27%
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
6:46/mi
21:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:39/mi
41:42
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:02:26
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:23:15
↑ 106↓ 860.1%
Half· 13.11 mi
6:45/mi
1:27:51
↑ 19↓ 370.5%
25K· 15.53 mi
6:45/mi
1:44:14
↑ 66↓ 880.2%
30K· 18.64 mi
6:54/mi
2:05:39
↑ 181↓ 1480.2%
20M
7:04/mi
2:15:15
↑ 64↓ 500.2%
21M
7:21/mi
2:22:36
↑ 106↓ 241.6%
35K· 21.75 mi
6:50/mi
2:27:43
↑ 17↓ 861.7%
23M
7:00/mi
2:36:29
↑ 23↓ 630.6%
24M
6:47/mi
2:43:16
↓ 821.3%
40K· 24.85 mi
6:55/mi
2:49:11
↓ 200.3%
25.2M
7:09/mi
2:51:39
↑ 13↓ 160.2%
Finish· 26.22 mi
6:27/mi
2:58:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:51
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:22
Pace6:54 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1121:016:4621:01
6:46
-
10K
6.21 mi10:49:5241:426:4320:41
6:39
-0:07
15K
9.32 mi11:10:361:02:266:4220:44
6:40
+0:01
20K
12.43 mi11:31:251:23:156:4220:49
6:42
+0:02
Half
13.11 mi11:36:011:27:516:424:36
6:45
+0:03
25K
15.53 mi11:52:241:44:146:4316:23
6:45
0:00
30K
18.64 mi12:13:492:05:396:4421:25
6:54
+0:09
20M
20.00 mi12:23:252:15:156:469:36
7:04
+0:10
21M
21.00 mi12:30:462:22:366:477:21
7:21
+0:17
35K
21.75 mi12:35:532:27:436:485:07
6:50
-0:31
23M
23.00 mi12:44:392:36:296:488:46
7:00
+0:10
24M
24.00 mi12:51:262:43:166:486:47
6:47
-0:13
40K
24.85 mi12:57:212:49:116:485:55
6:55
+0:08
25.2M
25.20 mi12:59:492:51:396:492:28
7:09
+0:14
Finish
26.22 mi13:06:232:58:136:486:34
6:27
-0:42

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

6:27 /mi

Average Pace

6:48 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:24

94% of race

Time at Steady Pace

9:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:29:1121:016:4621:01
6:46
#6022
10K
6.21 mi10:49:5241:426:4320:41
6:39
#5464
15K
9.32 mi11:10:361:02:266:4220:44
6:40
#5240
20K
12.43 mi11:31:251:23:156:4220:49
6:42
#4978
Half
13.11 mi11:36:011:27:516:424:36
6:45
#5008
25K
15.53 mi11:52:241:44:146:4316:23
6:45
#4885
30K
18.64 mi12:13:492:05:396:4421:25
6:54
#4651
20M
20.00 mi12:23:252:15:156:469:36
7:04
#4621
21M
21.00 mi12:30:462:22:366:477:21
7:21
#4532
35K
21.75 mi12:35:532:27:436:485:07
6:50
#4497
23M
23.00 mi12:44:392:36:296:488:46
7:00
#4410
24M
24.00 mi12:51:262:43:166:486:47
6:47
#4327
40K
24.85 mi12:57:212:49:116:485:55
6:55
#4270
25.2M
25.20 mi12:59:492:51:396:492:28
7:09
#4207
Finish
26.22 mi13:06:232:58:136:486:34
6:27
#4095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6022553055304829(Top 17%)4503(Top 28%)4503(Top 200%)
10K6.21 mi3.10 mi5464+5585051+4795051+4794931(Top 17%)4601(Top 29%)4601(Top 205%)
15K9.32 mi3.11 mi5240+2244864+1874864+1874829(Top 17%)4503(Top 28%)4503(Top 200%)
20K12.43 mi3.11 mi4978+2624634+2304634+2304424(Top 16%)4128(Top 26%)4128(Top 184%)
Half13.11 mi0.68 mi5008-304658-244658-245549(Top 20%)5069(Top 31%)5069(Top 226%)
25K15.53 mi2.42 mi4885+1234538+1204538+1204527(Top 16%)4183(Top 26%)4183(Top 186%)
30K18.64 mi3.11 mi4651+2344322+2164322+2164027(Top 14%)3711(Top 23%)3711(Top 165%)
20M20.00 mi1.36 mi4621+304285+374285+374456(Top 16%)4054(Top 25%)4054(Top 180%)
21M21.00 mi1.00 mi4532+894206+794206+793849(Top 14%)3499(Top 22%)3499(Top 156%)
35K21.75 mi0.75 mi4497+354167+394167+394310(Top 15%)3839(Top 24%)3839(Top 171%)
23M23.00 mi1.25 mi4410+874082+854082+853755(Top 13%)3378(Top 21%)3378(Top 150%)
24M24.00 mi1.00 mi4327+833995+873995+873388(Top 12%)3043(Top 19%)3043(Top 135%)
40K24.85 mi0.85 mi4270+573940+553940+553439(Top 12%)3058(Top 19%)3058(Top 136%)
25.2M25.20 mi0.35 mi4207+633883+573883+571977(Top 7%)1790(Top 11%)1790(Top 80%)
Finish26.22 mi1.02 mi4095+1123779+1043779+1042521(Top 9%)2290(Top 14%)2290(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4829

Males

4503

M40-44

4503

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4931

Males

4601

M40-44

4601

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4829

Males

4503

M40-44

4503

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4424

Males

4128

M40-44

4128

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5549

Males

5069

M40-44

5069

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4527

Males

4183

M40-44

4183

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

4027

Males

3711

M40-44

3711

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4456

Males

4054

M40-44

4054

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3849

Males

3499

M40-44

3499

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4310

Males

3839

M40-44

3839

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3755

Males

3378

M40-44

3378

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3388

Males

3043

M40-44

3043

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3439

Males

3058

M40-44

3058

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1977

Males

1790

M40-44

1790

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2521

Males

2290

M40-44

2290

Passing Analysis

Category:
Athletes Passed
2317
Passed By
390
Net Change
+1927
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6022
5K → 10K58729+558#6022#5464
10K → 15K25935+224#5464#5240
15K → 20K28119+262#5240#4978
20K → Half1343-30#4978#5008
Half → 25K15835+123#5008#4885
25K → 30K28753+234#4885#4651
30K → 20M8656+30#4651#4621
20M → 21M12031+89#4621#4532
21M → 35K5924+35#4532#4497
35K → 23M11023+87#4497#4410
23M → 24M9815+83#4410#4327
24M → 40K7720+57#4327#4270
40K → 25.2M663+63#4270#4207
25.2M → Finish1164+112#4207#4095
TOTALS2317390+1927
📊

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