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BOSTON MARATHON 2025

Enrico Chiarini

Bib: 28826•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:14
Rank: #19553
Start → 5K
26:14 | 8:27/mi
10K· 6.21 mi
52:13
Rank: #19254 (+299)
5K → 10K
25:59 | 8:22/mi
15K· 9.32 mi
1:18:03
Rank: #18878 (+376)
10K → 15K
25:50 | 8:19/mi
20K· 12.43 mi
1:44:01
Rank: #18445 (+433)
15K → 20K
25:58 | 8:21/mi
Half· 13.11 mi
1:50:22
Rank: #18756 (-311)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:10:42
Rank: #18357 (+399)
Half → 25K
20:20 | 8:23/mi
30K· 18.64 mi
2:38:08
Rank: #17989 (+368)
25K → 30K
27:26 | 8:50/mi
20M
2:49:47
Rank: #17707 (+282)
30K → 20M
11:39 | 8:34/mi
21M
2:59:07
Rank: #17540 (+167)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
3:05:21
Rank: #17421 (+119)
21M → 35K
6:14 | 8:20/mi
23M
3:17:31
Rank: #17582 (-161)
35K → 23M
12:10 | 9:43/mi
24M
3:26:16
Rank: #17499 (+83)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:34:21
Rank: #17539 (-40)
24M → 40K
8:05 | 9:27/mi
25.2M
3:37:46
Rank: #17521 (+18)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:46:00
Rank: #17382 (+139)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:55:38
Pace8:49 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2826:148:2726:14
8:27
-
10K
6.21 mi12:14:2752:138:2425:59
8:22
-0:05
15K
9.32 mi12:40:171:18:038:2225:50
8:19
-0:03
20K
12.43 mi13:06:151:44:018:2225:58
8:21
+0:02
Half
13.11 mi13:12:361:50:228:256:21
9:18
+0:57
25K
15.53 mi13:32:562:10:428:2520:20
8:23
-0:55
30K
18.64 mi14:00:222:38:088:2927:26
8:50
+0:27
20M
20.00 mi14:12:012:49:478:2911:39
8:34
-0:16
21M
21.00 mi14:21:212:59:078:329:20
9:20
+0:46
35K
21.75 mi14:27:353:05:218:316:14
8:20
-1:00
23M
23.00 mi14:39:453:17:318:3512:10
9:43
+1:23
24M
24.00 mi14:48:303:26:168:368:45
8:45
-0:58
40K
24.85 mi14:56:353:34:218:378:05
9:27
+0:42
25.2M
25.20 mi15:00:003:37:468:383:25
9:54
+0:27
Finish
26.22 mi15:08:143:46:008:388:14
8:05
-1:49

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

8:05 /mi

Average Pace

8:38 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:14

4% of race

Time at Steady Pace

2:58:25

79% of race

Time at Slower Pace

39:21

17% of race

Average Pace: 8:37 /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 mi11:48:2826:148:2726:14
8:27
#19553
10K
6.21 mi12:14:2752:138:2425:59
8:22
#19254
15K
9.32 mi12:40:171:18:038:2225:50
8:19
#18878
20K
12.43 mi13:06:151:44:018:2225:58
8:21
#18445
Half
13.11 mi13:12:361:50:228:256:21
9:18
#18756
25K
15.53 mi13:32:562:10:428:2520:20
8:23
#18357
30K
18.64 mi14:00:222:38:088:2927:26
8:50
#17989
20M
20.00 mi14:12:012:49:478:2911:39
8:34
#17707
21M
21.00 mi14:21:212:59:078:329:20
9:20
#17540
35K
21.75 mi14:27:353:05:218:316:14
8:20
#17421
23M
23.00 mi14:39:453:17:318:3512:10
9:43
#17582
24M
24.00 mi14:48:303:26:168:368:45
8:45
#17499
40K
24.85 mi14:56:353:34:218:378:05
9:27
#17539
25.2M
25.20 mi15:00:003:37:468:383:25
9:54
#17521
Finish
26.22 mi15:08:143:46:008:388:14
8:05
#17382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi19553122661226618150(Top 64%)11689(Top 73%)11689(Top 586%)
10K6.21 mi3.10 mi19254+29912156+11012156+11018948(Top 67%)12040(Top 75%)12040(Top 603%)
15K9.32 mi3.11 mi18878+37611984+17211984+17218150(Top 64%)11689(Top 73%)11689(Top 586%)
20K12.43 mi3.11 mi18445+43311800+18411800+18417271(Top 61%)11298(Top 70%)11298(Top 566%)
Half13.11 mi0.68 mi18756-31111939-13911939-13922955(Top 81%)13763(Top 85%)13763(Top 690%)
25K15.53 mi2.42 mi18357+39911749+19011749+19016483(Top 58%)10864(Top 67%)10864(Top 544%)
30K18.64 mi3.11 mi17989+36811544+20511544+20516768(Top 59%)10823(Top 67%)10823(Top 542%)
20M20.00 mi1.36 mi17707+28211391+15311391+15314251(Top 50%)9584(Top 60%)9584(Top 480%)
21M21.00 mi1.00 mi17540+16711299+9211299+9215304(Top 54%)9919(Top 62%)9919(Top 497%)
35K21.75 mi0.75 mi17421+11911224+7511224+7514470(Top 51%)9502(Top 59%)9502(Top 476%)
23M23.00 mi1.25 mi17582-16111263-3911263-3919498(Top 69%)11662(Top 72%)11662(Top 584%)
24M24.00 mi1.00 mi17499+8311203+6011203+6016009(Top 56%)10039(Top 62%)10039(Top 503%)
40K24.85 mi0.85 mi17539-4011190+1311190+1318499(Top 65%)11066(Top 69%)11066(Top 554%)
25.2M25.20 mi0.35 mi17521+1811167+2311167+2316569(Top 58%)10162(Top 63%)10162(Top 509%)
Finish26.22 mi1.02 mi17382+13911090+7711090+7713440(Top 47%)8748(Top 54%)8748(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18150

Males

11689

M50-54

11689

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

18948

Males

12040

M50-54

12040

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18150

Males

11689

M50-54

11689

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17271

Males

11298

M50-54

11298

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

22955

Males

13763

M50-54

13763

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16483

Males

10864

M50-54

10864

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16768

Males

10823

M50-54

10823

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14251

Males

9584

M50-54

9584

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15304

Males

9919

M50-54

9919

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14470

Males

9502

M50-54

9502

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19498

Males

11662

M50-54

11662

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

16009

Males

10039

M50-54

10039

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18499

Males

11066

M50-54

11066

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16569

Males

10162

M50-54

10162

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13440

Males

8748

M50-54

8748

Passing Analysis

Category:
Athletes Passed
3230
Passed By
1059
Net Change
+2171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19553
5K → 10K441142+299#19553#19254
10K → 15K43256+376#19254#18878
15K → 20K46532+433#18878#18445
20K → Half4315-311#18445#18756
Half → 25K4067+399#18756#18357
25K → 30K43971+368#18357#17989
30K → 20M29412+282#17989#17707
20M → 21M19326+167#17707#17540
21M → 35K13011+119#17540#17421
35K → 23M69230-161#17421#17582
23M → 24M11835+83#17582#17499
24M → 40K5797-40#17499#17539
40K → 25.2M3618+18#17539#17521
25.2M → Finish1467+139#17521#17382
TOTALS32301059+2171
📊

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