Boston Marathon logo
BOSTON MARATHON 2025

Thomas Connelly

Bib: 3279•M

DE

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #5120
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
41:17
Rank: #4862 (+258)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:34
Rank: #4440 (+422)
10K → 15K
20:17 | 6:32/mi
20K· 12.43 mi
1:22:00
Rank: #4153 (+287)
15K → 20K
20:26 | 6:35/mi
Half· 13.11 mi
1:26:23
Rank: #4077 (+76)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:42:00
Rank: #3793 (+284)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:02:17
Rank: #3390 (+403)
25K → 30K
20:17 | 6:32/mi
20M
2:11:14
Rank: #3218 (+172)
30K → 20M
8:57 | 6:35/mi
21M
2:18:11
Rank: #3116 (+102)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:23:00
Rank: #3049 (+67)
21M → 35K
4:49 | 6:26/mi
23M
2:31:21
Rank: #2939 (+110)
35K → 23M
8:21 | 6:40/mi
24M
2:37:49
Rank: #2853 (+86)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:43:22
Rank: #2767 (+86)
24M → 40K
5:33 | 6:29/mi
25.2M
2:45:45
Rank: #2718 (+49)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:52:06
Rank: #2653 (+65)
25.2M → Finish
6:21 | 6:14/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 Half⚖️ Balanced
Distance13.11 mi
Time1:26:23
Pace6:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:43
Pace6:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1920:426:4020:42
6:40
-
10K
6.21 mi10:42:5441:176:3920:35
6:38
-0:02
15K
9.32 mi11:03:111:01:346:3620:17
6:32
-0:06
20K
12.43 mi11:23:371:22:006:3620:26
6:35
+0:03
Half
13.11 mi11:28:001:26:236:354:23
6:25
-0:10
25K
15.53 mi11:43:371:42:006:3415:37
6:26
+0:01
30K
18.64 mi12:03:542:02:176:3420:17
6:32
+0:06
20M
20.00 mi12:12:512:11:146:348:57
6:35
+0:03
21M
21.00 mi12:19:482:18:116:356:57
6:57
+0:22
35K
21.75 mi12:24:372:23:006:354:49
6:26
-0:31
23M
23.00 mi12:32:582:31:216:358:21
6:40
+0:14
24M
24.00 mi12:39:262:37:496:356:28
6:28
-0:12
40K
24.85 mi12:44:592:43:226:345:33
6:29
+0:01
25.2M
25.20 mi12:47:222:45:456:352:23
6:55
+0:26
Finish
26.22 mi12:53:432:52:066:346:21
6:14
-0:41

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

6:14 /mi

Average Pace

6:34 /mi

Slowest Pace

6:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:46

95% of race

Time at Steady Pace

9:20

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:22:1920:426:4020:42
6:40
#5120
10K
6.21 mi10:42:5441:176:3920:35
6:38
#4862
15K
9.32 mi11:03:111:01:346:3620:17
6:32
#4440
20K
12.43 mi11:23:371:22:006:3620:26
6:35
#4153
Half
13.11 mi11:28:001:26:236:354:23
6:25
#4077
25K
15.53 mi11:43:371:42:006:3415:37
6:26
#3793
30K
18.64 mi12:03:542:02:176:3420:17
6:32
#3390
20M
20.00 mi12:12:512:11:146:348:57
6:35
#3218
21M
21.00 mi12:19:482:18:116:356:57
6:57
#3116
35K
21.75 mi12:24:372:23:006:354:49
6:26
#3049
23M
23.00 mi12:32:582:31:216:358:21
6:40
#2939
24M
24.00 mi12:39:262:37:496:356:28
6:28
#2853
40K
24.85 mi12:44:592:43:226:345:33
6:29
#2767
25.2M
25.20 mi12:47:222:45:456:352:23
6:55
#2718
Finish
26.22 mi12:53:432:52:066:346:21
6:14
#2653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5120477647763741(Top 13%)3530(Top 22%)3530(Top 63%)
10K6.21 mi3.10 mi4862+2584543+2334543+2334661(Top 16%)4363(Top 27%)4363(Top 77%)
15K9.32 mi3.11 mi4440+4224175+3684175+3683741(Top 13%)3530(Top 22%)3530(Top 63%)
20K12.43 mi3.11 mi4153+2873907+2683907+2683565(Top 13%)3375(Top 21%)3375(Top 60%)
Half13.11 mi0.68 mi4077+763839+683839+683249(Top 11%)3090(Top 19%)3090(Top 55%)
25K15.53 mi2.42 mi3793+2843575+2643575+2642572(Top 9%)2447(Top 15%)2447(Top 43%)
30K18.64 mi3.11 mi3390+4033207+3683207+3682117(Top 7%)2010(Top 12%)2010(Top 36%)
20M20.00 mi1.36 mi3218+1723048+1593048+1591981(Top 7%)1874(Top 12%)1874(Top 33%)
21M21.00 mi1.00 mi3116+1022950+982950+982083(Top 7%)1958(Top 12%)1958(Top 35%)
35K21.75 mi0.75 mi3049+672888+622888+622209(Top 8%)2068(Top 13%)2068(Top 37%)
23M23.00 mi1.25 mi2939+1102781+1072781+1072135(Top 8%)1996(Top 12%)1996(Top 35%)
24M24.00 mi1.00 mi2853+862701+802701+801931(Top 7%)1793(Top 11%)1793(Top 32%)
40K24.85 mi0.85 mi2767+862622+792622+791593(Top 6%)1477(Top 9%)1477(Top 26%)
25.2M25.20 mi0.35 mi2718+492573+492573+491281(Top 5%)1183(Top 7%)1183(Top 21%)
Finish26.22 mi1.02 mi2653+652511+622511+621642(Top 6%)1526(Top 9%)1526(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3741

Males

3530

M18-39

3530

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4661

Males

4363

M18-39

4363

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3741

Males

3530

M18-39

3530

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3565

Males

3375

M18-39

3375

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3249

Males

3090

M18-39

3090

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2572

Males

2447

M18-39

2447

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2117

Males

2010

M18-39

2010

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1981

Males

1874

M18-39

1874

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2083

Males

1958

M18-39

1958

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2209

Males

2068

M18-39

2068

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2135

Males

1996

M18-39

1996

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1931

Males

1793

M18-39

1793

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1593

Males

1477

M18-39

1477

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1281

Males

1183

M18-39

1183

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1642

Males

1526

M18-39

1526

Passing Analysis

Category:
Athletes Passed
2603
Passed By
136
Net Change
+2467
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5120
5K → 10K32870+258#5120#4862
10K → 15K4264+422#4862#4440
15K → 20K2958+287#4440#4153
20K → Half771+76#4153#4077
Half → 25K2873+284#4077#3793
25K → 30K4030+403#3793#3390
30K → 20M1742+172#3390#3218
20M → 21M11210+102#3218#3116
21M → 35K736+67#3116#3049
35K → 23M1199+110#3049#2939
23M → 24M937+86#2939#2853
24M → 40K926+86#2853#2767
40K → 25.2M512+49#2767#2718
25.2M → Finish738+65#2718#2653
TOTALS2603136+2467
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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