Boston Marathon logo
BOSTON MARATHON 2025

Brian Deal

Bib: 848•M

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:08
Rank: #1648
Start → 5K
19:08 | 6:10/mi
10K· 6.21 mi
38:00
Rank: #1492 (+156)
5K → 10K
18:52 | 6:04/mi
15K· 9.32 mi
57:00
Rank: #1462 (+30)
10K → 15K
19:00 | 6:07/mi
20K· 12.43 mi
1:15:53
Rank: #1351 (+111)
15K → 20K
18:53 | 6:05/mi
Half· 13.11 mi
1:19:56
Rank: #1330 (+21)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:34:30
Rank: #1216 (+114)
Half → 25K
14:34 | 6:00/mi
30K· 18.64 mi
1:54:01
Rank: #1180 (+36)
25K → 30K
19:31 | 6:17/mi
20M
2:02:49
Rank: #1195 (-15)
30K → 20M
8:48 | 6:29/mi
21M
2:09:43
Rank: #1200 (-5)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:14:23
Rank: #1194 (+6)
21M → 35K
4:40 | 6:14/mi
23M
2:22:47
Rank: #1199 (-5)
35K → 23M
8:24 | 6:43/mi
24M
2:29:24
Rank: #1232 (-33)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:35:15
Rank: #1277 (-45)
24M → 40K
5:51 | 6:51/mi
25.2M
2:37:47
Rank: #1286 (-9)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:44:37
Rank: #1334 (-48)
25.2M → Finish
6:50 | 6:42/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
Time1:19:56
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5519:086:1019:08
6:10
-
10K
6.21 mi10:38:4738:006:0718:52
6:04
-0:06
15K
9.32 mi10:57:4757:006:0719:00
6:07
+0:03
20K
12.43 mi11:16:401:15:536:0618:53
6:05
-0:02
Half
13.11 mi11:20:431:19:566:064:03
5:56
-0:09
25K
15.53 mi11:35:171:34:306:0514:34
6:00
+0:04
30K
18.64 mi11:54:481:54:016:0719:31
6:17
+0:17
20M
20.00 mi12:03:362:02:496:088:48
6:29
+0:12
21M
21.00 mi12:10:302:09:436:116:54
6:54
+0:25
35K
21.75 mi12:15:102:14:236:114:40
6:14
-0:40
23M
23.00 mi12:23:342:22:476:128:24
6:43
+0:29
24M
24.00 mi12:30:112:29:246:146:37
6:37
-0:06
40K
24.85 mi12:36:022:35:156:155:51
6:51
+0:14
25.2M
25.20 mi12:38:342:37:476:162:32
7:21
+0:30
Finish
26.22 mi12:45:242:44:376:176:50
6:42
-0:39

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

5:56 /mi

Average Pace

6:17 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:22

34% of race

Time at Steady Pace

1:02:19

38% of race

Time at Slower Pace

45:56

28% of race

Average Pace: 6:17 /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 mi10:19:5519:086:1019:08
6:10
#1648
10K
6.21 mi10:38:4738:006:0718:52
6:04
#1492
15K
9.32 mi10:57:4757:006:0719:00
6:07
#1462
20K
12.43 mi11:16:401:15:536:0618:53
6:05
#1351
Half
13.11 mi11:20:431:19:566:064:03
5:56
#1330
25K
15.53 mi11:35:171:34:306:0514:34
6:00
#1216
30K
18.64 mi11:54:481:54:016:0719:31
6:17
#1180
20M
20.00 mi12:03:362:02:496:088:48
6:29
#1195
21M
21.00 mi12:10:302:09:436:116:54
6:54
#1200
35K
21.75 mi12:15:102:14:236:114:40
6:14
#1194
23M
23.00 mi12:23:342:22:476:128:24
6:43
#1199
24M
24.00 mi12:30:112:29:246:146:37
6:37
#1232
40K
24.85 mi12:36:022:35:156:155:51
6:51
#1277
25.2M
25.20 mi12:38:342:37:476:162:32
7:21
#1286
Finish
26.22 mi12:45:242:44:376:176:50
6:42
#1334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1648156615661460(Top 5%)1389(Top 9%)1389(Top 62%)
10K6.21 mi3.10 mi1492+1561419+1471419+1471369(Top 5%)1299(Top 8%)1299(Top 58%)
15K9.32 mi3.11 mi1462+301387+321387+321460(Top 5%)1389(Top 9%)1389(Top 62%)
20K12.43 mi3.11 mi1351+1111281+1061281+1061094(Top 4%)1032(Top 6%)1032(Top 46%)
Half13.11 mi0.68 mi1330+211261+201261+20956(Top 3%)906(Top 6%)906(Top 40%)
25K15.53 mi2.42 mi1216+1141150+1111150+111836(Top 3%)785(Top 5%)785(Top 35%)
30K18.64 mi3.11 mi1180+361115+351115+351154(Top 4%)1088(Top 7%)1088(Top 48%)
20M20.00 mi1.36 mi1195-151128-131128-131523(Top 5%)1438(Top 9%)1438(Top 64%)
21M21.00 mi1.00 mi1200-51131-31131-31859(Top 7%)1750(Top 11%)1750(Top 78%)
35K21.75 mi0.75 mi1194+61124+71124+71357(Top 5%)1284(Top 8%)1284(Top 57%)
23M23.00 mi1.25 mi1199-51129-51129-52272(Top 8%)2115(Top 13%)2115(Top 94%)
24M24.00 mi1.00 mi1232-331159-301159-302537(Top 9%)2331(Top 14%)2331(Top 104%)
40K24.85 mi0.85 mi1277-451201-421201-423006(Top 11%)2702(Top 17%)2702(Top 120%)
25.2M25.20 mi0.35 mi1286-91210-91210-92654(Top 9%)2356(Top 15%)2356(Top 105%)
Finish26.22 mi1.02 mi1334-481256-461256-463860(Top 14%)3325(Top 21%)3325(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1460

Males

1389

M40-44

1389

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1369

Males

1299

M40-44

1299

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1460

Males

1389

M40-44

1389

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1094

Males

1032

M40-44

1032

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

956

Males

906

M40-44

906

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

836

Males

785

M40-44

785

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1154

Males

1088

M40-44

1088

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1523

Males

1438

M40-44

1438

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1859

Males

1750

M40-44

1750

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1357

Males

1284

M40-44

1284

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2272

Males

2115

M40-44

2115

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2537

Males

2331

M40-44

2331

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3006

Males

2702

M40-44

2702

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2654

Males

2356

M40-44

2356

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3860

Males

3325

M40-44

3325

Passing Analysis

Category:
Athletes Passed
718
Passed By
404
Net Change
+314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1648
5K → 10K18327+156#1648#1492
10K → 15K6535+30#1492#1462
15K → 20K12211+111#1462#1351
20K → Half232+21#1351#1330
Half → 25K1173+114#1330#1216
25K → 30K7135+36#1216#1180
30K → 20M2439-15#1180#1195
20M → 21M3136-5#1195#1200
21M → 35K1610+6#1200#1194
35K → 23M3338-5#1194#1199
23M → 24M1043-33#1199#1232
24M → 40K752-45#1232#1277
40K → 25.2M918-9#1277#1286
25.2M → Finish755-48#1286#1334
TOTALS718404+314
📊

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