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BOSTON MARATHON 2025

Stefano Tassinari

Bib: 9953•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 44%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:34
Rank: #10008
Start → 5K
22:34 | 7:16/mi
10K· 6.21 mi
44:49
Rank: #9554 (+454)
5K → 10K
22:15 | 7:10/mi
15K· 9.32 mi
1:07:15
Rank: #9440 (+114)
10K → 15K
22:26 | 7:13/mi
20K· 12.43 mi
1:29:51
Rank: #9251 (+189)
15K → 20K
22:36 | 7:16/mi
Half· 13.11 mi
1:34:49
Rank: #9282 (-31)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:52:49
Rank: #9241 (+41)
Half → 25K
18:00 | 7:25/mi
30K· 18.64 mi
2:17:28
Rank: #9478 (-237)
25K → 30K
24:39 | 7:56/mi
20M
2:28:55
Rank: #9755 (-277)
30K → 20M
11:27 | 8:26/mi
21M
2:38:05
Rank: #10070 (-315)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:44:39
Rank: #10374 (-304)
21M → 35K
6:34 | 8:47/mi
23M
2:55:24
Rank: #10561 (-187)
35K → 23M
10:45 | 8:35/mi
24M
3:03:56
Rank: #10726 (-165)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:11:27
Rank: #10886 (-160)
24M → 40K
7:31 | 8:47/mi
25.2M
3:15:02
Rank: #11029 (-143)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:25:03
Rank: #11696 (-667)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:49
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:50:14
Pace8:25 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3122:347:1622:34
7:16
-
10K
6.21 mi11:10:4644:497:1322:15
7:10
-0:06
15K
9.32 mi11:33:121:07:157:1322:26
7:13
+0:03
20K
12.43 mi11:55:481:29:517:1422:36
7:16
+0:03
Half
13.11 mi12:00:461:34:497:144:58
7:17
+0:01
25K
15.53 mi12:18:461:52:497:1618:00
7:25
+0:08
30K
18.64 mi12:43:252:17:287:2224:39
7:56
+0:31
20M
20.00 mi12:54:522:28:557:2711:27
8:26
+0:30
21M
21.00 mi13:04:022:38:057:329:10
9:10
+0:44
35K
21.75 mi13:10:362:44:397:346:34
8:47
-0:23
23M
23.00 mi13:21:212:55:247:3810:45
8:35
-0:12
24M
24.00 mi13:29:533:03:567:408:32
8:32
-0:03
40K
24.85 mi13:37:243:11:277:427:31
8:47
+0:15
25.2M
25.20 mi13:40:593:15:027:443:35
10:23
+1:36
Finish
26.22 mi13:51:003:25:037:5010:01
9:50
-0:33

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

7:10 /mi

Average Pace

7:50 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:28

67% of race

Time at Steady Pace

44:49

22% of race

Time at Slower Pace

22:46

11% of race

Average Pace: 7:49 /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 mi10:48:3122:347:1622:34
7:16
#10008
10K
6.21 mi11:10:4644:497:1322:15
7:10
#9554
15K
9.32 mi11:33:121:07:157:1322:26
7:13
#9440
20K
12.43 mi11:55:481:29:517:1422:36
7:16
#9251
Half
13.11 mi12:00:461:34:497:144:58
7:17
#9282
25K
15.53 mi12:18:461:52:497:1618:00
7:25
#9241
30K
18.64 mi12:43:252:17:287:2224:39
7:56
#9478
20M
20.00 mi12:54:522:28:557:2711:27
8:26
#9755
21M
21.00 mi13:04:022:38:057:329:10
9:10
#10070
35K
21.75 mi13:10:362:44:397:346:34
8:47
#10374
23M
23.00 mi13:21:212:55:247:3810:45
8:35
#10561
24M
24.00 mi13:29:533:03:567:408:32
8:32
#10726
40K
24.85 mi13:37:243:11:277:427:31
8:47
#10886
25.2M
25.20 mi13:40:593:15:027:443:35
10:23
#11029
Finish
26.22 mi13:51:003:25:037:5010:01
9:50
#11696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10008817481749290(Top 33%)7708(Top 48%)7708(Top 323%)
10K6.21 mi3.10 mi9554+4547935+2397935+2399159(Top 32%)7697(Top 48%)7697(Top 323%)
15K9.32 mi3.11 mi9440+1147846+897846+899290(Top 33%)7708(Top 48%)7708(Top 323%)
20K12.43 mi3.11 mi9251+1897704+1427704+1428833(Top 31%)7360(Top 46%)7360(Top 308%)
Half13.11 mi0.68 mi9282-317717-137717-139807(Top 35%)7935(Top 49%)7935(Top 333%)
25K15.53 mi2.42 mi9241+417657+607657+609335(Top 33%)7526(Top 47%)7526(Top 315%)
30K18.64 mi3.11 mi9478-2377739-827739-8210897(Top 38%)8143(Top 51%)8143(Top 341%)
20M20.00 mi1.36 mi9755-2777848-1097848-10913295(Top 47%)9118(Top 57%)9118(Top 382%)
21M21.00 mi1.00 mi10070-3157974-1267974-12614406(Top 51%)9517(Top 59%)9517(Top 399%)
35K21.75 mi0.75 mi10374-3048097-1238097-12317091(Top 60%)10639(Top 66%)10639(Top 446%)
23M23.00 mi1.25 mi10561-1878155-588155-5813818(Top 49%)9073(Top 56%)9073(Top 380%)
24M24.00 mi1.00 mi10726-1658190-358190-3514697(Top 52%)9440(Top 59%)9440(Top 396%)
40K24.85 mi0.85 mi10886-1608229-398229-3915108(Top 53%)9484(Top 59%)9484(Top 397%)
25.2M25.20 mi0.35 mi11029-1438276-478276-4718544(Top 65%)11076(Top 69%)11076(Top 464%)
Finish26.22 mi1.02 mi11696-6678562-2868562-28622360(Top 79%)12943(Top 80%)12943(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9290

Males

7708

M45-49

7708

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9159

Males

7697

M45-49

7697

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9290

Males

7708

M45-49

7708

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8833

Males

7360

M45-49

7360

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9807

Males

7935

M45-49

7935

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9335

Males

7526

M45-49

7526

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10897

Males

8143

M45-49

8143

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13295

Males

9118

M45-49

9118

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14406

Males

9517

M45-49

9517

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17091

Males

10639

M45-49

10639

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13818

Males

9073

M45-49

9073

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14697

Males

9440

M45-49

9440

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15108

Males

9484

M45-49

9484

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18544

Males

11076

M45-49

11076

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22360

Males

12943

M45-49

12943

Passing Analysis

Category:
Athletes Passed
1625
Passed By
3309
Net Change
-1688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10008
5K → 10K52874+454#10008#9554
10K → 15K221107+114#9554#9440
15K → 20K27384+189#9440#9251
20K → Half1748-31#9251#9282
Half → 25K174133+41#9282#9241
25K → 30K160397-237#9241#9478
30K → 20M50326-277#9478#9755
20M → 21M35348-315#9755#10070
21M → 35K12315-304#10070#10374
35K → 23M59246-187#10374#10561
23M → 24M42207-165#10561#10726
24M → 40K32192-160#10726#10886
40K → 25.2M14157-143#10886#11029
25.2M → Finish8675-667#11029#11696
TOTALS16253309-1688
📊

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