Boston Marathon logo
BOSTON MARATHON 2025

Stefano Mainardis

Bib: 30799•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
33:01
Rank: #27011
Start → 5K
33:01 | 10:38/mi
10K· 6.21 mi
1:06:28
Rank: #26844 (+167)
5K → 10K
33:27 | 10:46/mi
15K· 9.32 mi
1:41:11
Rank: #26881 (-37)
10K → 15K
34:43 | 11:10/mi
20K· 12.43 mi
2:16:47
Rank: #26787 (+94)
15K → 20K
35:36 | 11:28/mi
Half· 13.11 mi
2:23:53
Rank: #26734 (+53)
20K → Half
7:06 | 10:24/mi
25K· 15.53 mi
2:51:04
Rank: #26514 (+220)
Half → 25K
27:11 | 11:13/mi
30K· 18.64 mi
3:26:15
Rank: #26179 (+335)
25K → 30K
35:11 | 11:19/mi
20M
3:41:59
Rank: #26072 (+107)
30K → 20M
15:44 | 11:35/mi
21M
3:54:34
Rank: #25987 (+85)
20M → 21M
12:35 | 12:35/mi
35K· 21.75 mi
4:02:05
Rank: #25888 (+99)
21M → 35K
7:31 | 10:03/mi
23M
4:16:19
Rank: #25821 (+67)
35K → 23M
14:14 | 11:22/mi
24M
4:26:50
Rank: #25721 (+100)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:36:30
Rank: #25679 (+42)
24M → 40K
9:40 | 11:18/mi
25.2M
4:40:50
Rank: #25660 (+19)
40K → 25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
4:51:22
Rank: #25604 (+56)
25.2M → Finish
10:32 | 10:20/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:53
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time2:27:29
Pace11:15 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3733:0110:3833:01
10:38
-
10K
6.21 mi12:26:041:06:2810:4233:27
10:46
+0:08
15K
9.32 mi13:00:471:41:1110:5134:43
11:10
+0:24
20K
12.43 mi13:36:232:16:4711:0035:36
11:28
+0:18
Half
13.11 mi13:43:292:23:5310:597:06
10:24
-1:04
25K
15.53 mi14:10:402:51:0411:0127:11
11:13
+0:49
30K
18.64 mi14:45:513:26:1511:0435:11
11:19
+0:06
20M
20.00 mi15:01:353:41:5911:0615:44
11:35
+0:16
21M
21.00 mi15:14:103:54:3411:1012:35
12:35
+1:00
35K
21.75 mi15:21:414:02:0511:087:31
10:03
-2:32
23M
23.00 mi15:35:554:16:1911:0914:14
11:22
+1:19
24M
24.00 mi15:46:264:26:5011:0710:31
10:31
-0:51
40K
24.85 mi15:56:064:36:3011:079:40
11:18
+0:47
25.2M
25.20 mi16:00:264:40:5011:094:20
12:34
+1:16
Finish
26.22 mi16:10:584:51:2211:0710:32
10:20
-2:14

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

10:03 /mi

Average Pace

11:07 /mi

Slowest Pace

12:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:42:08

35% of race

Time at Steady Pace

2:36:35

54% of race

Time at Slower Pace

32:39

11% of race

Average Pace: 11:07 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:52:3733:0110:3833:01
10:38
#27011
10K
6.21 mi12:26:041:06:2810:4233:27
10:46
#26844
15K
9.32 mi13:00:471:41:1110:5134:43
11:10
#26881
20K
12.43 mi13:36:232:16:4711:0035:36
11:28
#26787
Half
13.11 mi13:43:292:23:5310:597:06
10:24
#26734
25K
15.53 mi14:10:402:51:0411:0127:11
11:13
#26514
30K
18.64 mi14:45:513:26:1511:0435:11
11:19
#26179
20M
20.00 mi15:01:353:41:5911:0615:44
11:35
#26072
21M
21.00 mi15:14:103:54:3411:1012:35
12:35
#25987
35K
21.75 mi15:21:414:02:0511:087:31
10:03
#25888
23M
23.00 mi15:35:554:16:1911:0914:14
11:22
#25821
24M
24.00 mi15:46:264:26:5011:0710:31
10:31
#25721
40K
24.85 mi15:56:064:36:3011:079:40
11:18
#25679
25.2M
25.20 mi16:00:264:40:5011:094:20
12:34
#25660
Finish
26.22 mi16:10:584:51:2211:0710:32
10:20
#25604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi27011156071560726893(Top 95%)15513(Top 96%)15513(Top 1232%)
10K6.21 mi3.10 mi26844+16715529+7815529+7826717(Top 94%)15470(Top 96%)15470(Top 1229%)
15K9.32 mi3.11 mi26881-37155291552926893(Top 95%)15513(Top 96%)15513(Top 1232%)
20K12.43 mi3.11 mi26787+9415484+4515484+4526573(Top 94%)15362(Top 95%)15362(Top 1220%)
Half13.11 mi0.68 mi26734+5315467+1715467+1725638(Top 90%)14949(Top 93%)14949(Top 1187%)
25K15.53 mi2.42 mi26514+22015357+11015357+11025492(Top 90%)14862(Top 92%)14862(Top 1180%)
30K18.64 mi3.11 mi26179+33515191+16615191+16624588(Top 87%)14353(Top 89%)14353(Top 1140%)
20M20.00 mi1.36 mi26072+10715128+6315128+6324679(Top 87%)14311(Top 89%)14311(Top 1137%)
21M21.00 mi1.00 mi25987+8515081+4715081+4724515(Top 86%)14155(Top 88%)14155(Top 1124%)
35K21.75 mi0.75 mi25888+9915031+5015031+5022035(Top 78%)12937(Top 80%)12937(Top 1028%)
23M23.00 mi1.25 mi25821+6714984+4714984+4724027(Top 85%)13856(Top 86%)13856(Top 1101%)
24M24.00 mi1.00 mi25721+10014922+6214922+6222869(Top 81%)13239(Top 82%)13239(Top 1052%)
40K24.85 mi0.85 mi25679+4214887+3514887+3523779(Top 84%)13657(Top 85%)13657(Top 1085%)
25.2M25.20 mi0.35 mi25660+1914874+1314874+1324320(Top 86%)13934(Top 87%)13934(Top 1107%)
Finish26.22 mi1.02 mi25604+5614840+3414840+3423877(Top 84%)13711(Top 85%)13711(Top 1089%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26893

Males

15513

M60-64

15513

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26717

Males

15470

M60-64

15470

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26893

Males

15513

M60-64

15513

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26573

Males

15362

M60-64

15362

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25638

Males

14949

M60-64

14949

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25492

Males

14862

M60-64

14862

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24588

Males

14353

M60-64

14353

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24679

Males

14311

M60-64

14311

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24515

Males

14155

M60-64

14155

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22035

Males

12937

M60-64

12937

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24027

Males

13856

M60-64

13856

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

22869

Males

13239

M60-64

13239

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23779

Males

13657

M60-64

13657

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24320

Males

13934

M60-64

13934

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23877

Males

13711

M60-64

13711

Passing Analysis

Category:
Athletes Passed
1747
Passed By
340
Net Change
+1407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27011
5K → 10K24376+167#27011#26844
10K → 15K107144-37#26844#26881
15K → 20K14450+94#26881#26787
20K → Half563+53#26787#26734
Half → 25K2299+220#26734#26514
25K → 30K3405+335#26514#26179
30K → 20M1158+107#26179#26072
20M → 21M938+85#26072#25987
21M → 35K1012+99#25987#25888
35K → 23M7710+67#25888#25821
23M → 24M1011+100#25821#25721
24M → 40K5614+42#25721#25679
40K → 25.2M245+19#25679#25660
25.2M → Finish615+56#25660#25604
TOTALS1747340+1407
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing