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BOSTON MARATHON 2025

David Principe

Bib: 2733•M

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M55-59)
#0 / 1648
Top 0.3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:11
Rank: #1717
Start → 5K
19:11 | 6:10/mi
10K· 6.21 mi
38:43
Rank: #2033 (-316)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
58:29
Rank: #2223 (-190)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:18:27
Rank: #2320 (-97)
15K → 20K
19:58 | 6:26/mi
Half· 13.11 mi
1:22:42
Rank: #2307 (+13)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:38:21
Rank: #2350 (-43)
Half → 25K
15:39 | 6:27/mi
30K· 18.64 mi
1:58:50
Rank: #2314 (+36)
25K → 30K
20:29 | 6:36/mi
20M
2:07:53
Rank: #2285 (+29)
30K → 20M
9:03 | 6:40/mi
21M
2:14:55
Rank: #2267 (+18)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:21:16
Rank: #2605 (-338)
21M → 35K
6:21 | 8:29/mi
23M
2:29:30
Rank: #2513 (+92)
35K → 23M
8:14 | 6:35/mi
24M
2:35:55
Rank: #2445 (+68)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:41:29
Rank: #2393 (+52)
24M → 40K
5:34 | 6:31/mi
25.2M
2:43:54
Rank: #2366 (+27)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:50:07
Rank: #2290 (+76)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:42
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:27:25
Pace6:40 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4819:116:1019:11
6:10
-
10K
6.21 mi10:39:2038:436:1419:32
6:17
+0:07
15K
9.32 mi10:59:0658:296:1619:46
6:22
+0:05
20K
12.43 mi11:19:041:18:276:1919:58
6:26
+0:04
Half
13.11 mi11:23:191:22:426:184:15
6:14
-0:12
25K
15.53 mi11:38:581:38:216:2015:39
6:27
+0:13
30K
18.64 mi11:59:271:58:506:2220:29
6:36
+0:09
20M
20.00 mi12:08:302:07:536:249:03
6:40
+0:04
21M
21.00 mi12:15:322:14:556:257:02
7:02
+0:22
35K
21.75 mi12:21:532:21:166:306:21
8:29
+1:27
23M
23.00 mi12:30:072:29:306:308:14
6:35
-1:54
24M
24.00 mi12:36:322:35:556:306:25
6:25
-0:10
40K
24.85 mi12:42:062:41:296:305:34
6:31
+0:06
25.2M
25.20 mi12:44:312:43:546:302:25
7:00
+0:29
Finish
26.22 mi12:50:442:50:076:306:13
6:06
-0:54

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

6:06 /mi

Average Pace

6:30 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:24

15% of race

Time at Steady Pace

2:08:55

76% of race

Time at Slower Pace

15:48

9% of race

Average Pace: 6:29 /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 mi10:19:4819:116:1019:11
6:10
#1717
10K
6.21 mi10:39:2038:436:1419:32
6:17
#2033
15K
9.32 mi10:59:0658:296:1619:46
6:22
#2223
20K
12.43 mi11:19:041:18:276:1919:58
6:26
#2320
Half
13.11 mi11:23:191:22:426:184:15
6:14
#2307
25K
15.53 mi11:38:581:38:216:2015:39
6:27
#2350
30K
18.64 mi11:59:271:58:506:2220:29
6:36
#2314
20M
20.00 mi12:08:302:07:536:249:03
6:40
#2285
21M
21.00 mi12:15:322:14:556:257:02
7:02
#2267
35K
21.75 mi12:21:532:21:166:306:21
8:29
#2605
23M
23.00 mi12:30:072:29:306:308:14
6:35
#2513
24M
24.00 mi12:36:322:35:556:306:25
6:25
#2445
40K
24.85 mi12:42:062:41:296:305:34
6:31
#2393
25.2M
25.20 mi12:44:312:43:546:302:25
7:00
#2366
Finish
26.22 mi12:50:442:50:076:306:13
6:06
#2290
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi1717163116312698(Top 9%)2569(Top 16%)2569(Top 156%)
10K6.21 mi3.10 mi2033-3161938-3071938-3072333(Top 8%)2232(Top 14%)2232(Top 135%)
15K9.32 mi3.11 mi2223-1902122-1842122-1842698(Top 9%)2569(Top 16%)2569(Top 156%)
20K12.43 mi3.11 mi2320-972214-922214-922656(Top 9%)2526(Top 16%)2526(Top 153%)
Half13.11 mi0.68 mi2307+132202+122202+122125(Top 7%)2029(Top 13%)2029(Top 123%)
25K15.53 mi2.42 mi2350-432242-402242-402629(Top 9%)2502(Top 16%)2502(Top 152%)
30K18.64 mi3.11 mi2314+362209+332209+332381(Top 8%)2256(Top 14%)2256(Top 137%)
20M20.00 mi1.36 mi2285+292180+292180+292266(Top 8%)2140(Top 13%)2140(Top 130%)
21M21.00 mi1.00 mi2267+182163+172163+172377(Top 8%)2218(Top 14%)2218(Top 135%)
35K21.75 mi0.75 mi2605-3382481-3182481-31815334(Top 54%)9850(Top 61%)9850(Top 598%)
23M23.00 mi1.25 mi2513+922391+902391+901730(Top 6%)1618(Top 10%)1618(Top 98%)
24M24.00 mi1.00 mi2445+682326+652326+651714(Top 6%)1599(Top 10%)1599(Top 97%)
40K24.85 mi0.85 mi2393+522274+522274+521635(Top 6%)1511(Top 9%)1511(Top 92%)
25.2M25.20 mi0.35 mi2366+272245+292245+291501(Top 5%)1372(Top 9%)1372(Top 83%)
Finish26.22 mi1.02 mi2290+762173+722173+721196(Top 4%)1119(Top 7%)1119(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2698

Males

2569

M55-59

2569

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2333

Males

2232

M55-59

2232

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2698

Males

2569

M55-59

2569

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2656

Males

2526

M55-59

2526

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2125

Males

2029

M55-59

2029

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2629

Males

2502

M55-59

2502

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2381

Males

2256

M55-59

2256

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2266

Males

2140

M55-59

2140

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2377

Males

2218

M55-59

2218

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15334

Males

9850

M55-59

9850

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1730

Males

1618

M55-59

1618

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1714

Males

1599

M55-59

1599

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1635

Males

1511

M55-59

1511

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1501

Males

1372

M55-59

1372

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1196

Males

1119

M55-59

1119

Passing Analysis

Category:
Athletes Passed
704
Passed By
1277
Net Change
-573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1717
5K → 10K20336-316#1717#2033
10K → 15K22212-190#2033#2223
15K → 20K43140-97#2223#2320
20K → Half218+13#2320#2307
Half → 25K3881-43#2307#2350
25K → 30K10569+36#2350#2314
30K → 20M5021+29#2314#2285
20M → 21M4931+18#2285#2267
21M → 35K3341-338#2267#2605
35K → 23M1008+92#2605#2513
23M → 24M768+68#2513#2445
24M → 40K6311+52#2445#2393
40K → 25.2M336+27#2393#2366
25.2M → Finish815+76#2366#2290
TOTALS7041277-573
📊

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