Boston Marathon logo
BOSTON MARATHON 2025

Chad Joyce

Bib: 10833•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M50-54)
#0 / 1996
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #6956
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
42:29
Rank: #6638 (+318)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:30
Rank: #6319 (+319)
10K → 15K
21:01 | 6:46/mi
20K· 12.43 mi
1:24:23
Rank: #5854 (+465)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:28:50
Rank: #5742 (+112)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:53
Rank: #5284 (+458)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:05:39
Rank: #4656 (+628)
25K → 30K
20:46 | 6:41/mi
20M
2:14:46
Rank: #4411 (+245)
30K → 20M
9:07 | 6:43/mi
21M
2:21:48
Rank: #4221 (+190)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:26:35
Rank: #4108 (+113)
21M → 35K
4:47 | 6:24/mi
23M
2:35:00
Rank: #3945 (+163)
35K → 23M
8:25 | 6:43/mi
24M
2:41:35
Rank: #3833 (+112)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:47:21
Rank: #3759 (+74)
24M → 40K
5:46 | 6:45/mi
25.2M
2:49:53
Rank: #3719 (+40)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:56:26
Rank: #3599 (+120)
25.2M → Finish
6:33 | 6:26/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
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4121:246:5321:24
6:53
-
10K
6.21 mi11:09:4642:296:5021:05
6:47
-0:06
15K
9.32 mi11:30:471:03:306:4921:01
6:46
-0:01
20K
12.43 mi11:51:401:24:236:4720:53
6:43
-0:03
Half
13.11 mi11:56:071:28:506:474:27
6:31
-0:12
25K
15.53 mi12:12:101:44:536:4516:03
6:37
+0:06
30K
18.64 mi12:32:562:05:396:4420:46
6:41
+0:04
20M
20.00 mi12:42:032:14:466:449:07
6:43
+0:02
21M
21.00 mi12:49:052:21:486:457:02
7:02
+0:19
35K
21.75 mi12:53:522:26:356:444:47
6:24
-0:38
23M
23.00 mi13:02:172:35:006:448:25
6:43
+0:19
24M
24.00 mi13:08:522:41:356:446:35
6:35
-0:08
40K
24.85 mi13:14:382:47:216:445:46
6:45
+0:10
25.2M
25.20 mi13:17:102:49:536:442:32
7:21
+0:36
Finish
26.22 mi13:23:432:56:266:446:33
6:26
-0:55

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

6:24 /mi

Average Pace

6:44 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:54

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:48:4121:246:5321:24
6:53
#6956
10K
6.21 mi11:09:4642:296:5021:05
6:47
#6638
15K
9.32 mi11:30:471:03:306:4921:01
6:46
#6319
20K
12.43 mi11:51:401:24:236:4720:53
6:43
#5854
Half
13.11 mi11:56:071:28:506:474:27
6:31
#5742
25K
15.53 mi12:12:101:44:536:4516:03
6:37
#5284
30K
18.64 mi12:32:562:05:396:4420:46
6:41
#4656
20M
20.00 mi12:42:032:14:466:449:07
6:43
#4411
21M
21.00 mi12:49:052:21:486:457:02
7:02
#4221
35K
21.75 mi12:53:522:26:356:444:47
6:24
#4108
23M
23.00 mi13:02:172:35:006:448:25
6:43
#3945
24M
24.00 mi13:08:522:41:356:446:35
6:35
#3833
40K
24.85 mi13:14:382:47:216:445:46
6:45
#3759
25.2M
25.20 mi13:17:102:49:536:442:32
7:21
#3719
Finish
26.22 mi13:23:432:56:266:446:33
6:26
#3599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6956626662665738(Top 20%)5233(Top 32%)5233(Top 262%)
10K6.21 mi3.10 mi6638+3186016+2506016+2506234(Top 22%)5671(Top 35%)5671(Top 284%)
15K9.32 mi3.11 mi6319+3195764+2525764+2525738(Top 20%)5233(Top 32%)5233(Top 262%)
20K12.43 mi3.11 mi5854+4655367+3975367+3974622(Top 16%)4295(Top 27%)4295(Top 215%)
Half13.11 mi0.68 mi5742+1125270+975270+973872(Top 14%)3652(Top 23%)3652(Top 183%)
25K15.53 mi2.42 mi5284+4584876+3944876+3943600(Top 13%)3392(Top 21%)3392(Top 170%)
30K18.64 mi3.11 mi4656+6284327+5494327+5492821(Top 10%)2669(Top 17%)2669(Top 134%)
20M20.00 mi1.36 mi4411+2454112+2154112+2152522(Top 9%)2376(Top 15%)2376(Top 119%)
21M21.00 mi1.00 mi4221+1903937+1753937+1752411(Top 8%)2252(Top 14%)2252(Top 113%)
35K21.75 mi0.75 mi4108+1133830+1073830+1072036(Top 7%)1910(Top 12%)1910(Top 96%)
23M23.00 mi1.25 mi3945+1633680+1503680+1502372(Top 8%)2210(Top 14%)2210(Top 111%)
24M24.00 mi1.00 mi3833+1123578+1023578+1022441(Top 9%)2257(Top 14%)2257(Top 113%)
40K24.85 mi0.85 mi3759+743505+733505+732613(Top 9%)2381(Top 15%)2381(Top 119%)
25.2M25.20 mi0.35 mi3719+403465+403465+402791(Top 10%)2493(Top 15%)2493(Top 125%)
Finish26.22 mi1.02 mi3599+1203355+1103355+1102470(Top 9%)2250(Top 14%)2250(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5738

Males

5233

M50-54

5233

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6234

Males

5671

M50-54

5671

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5738

Males

5233

M50-54

5233

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4622

Males

4295

M50-54

4295

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3872

Males

3652

M50-54

3652

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3600

Males

3392

M50-54

3392

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2821

Males

2669

M50-54

2669

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2522

Males

2376

M50-54

2376

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2411

Males

2252

M50-54

2252

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2036

Males

1910

M50-54

1910

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2372

Males

2210

M50-54

2210

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2441

Males

2257

M50-54

2257

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2613

Males

2381

M50-54

2381

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2791

Males

2493

M50-54

2493

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2470

Males

2250

M50-54

2250

Passing Analysis

Category:
Athletes Passed
3501
Passed By
144
Net Change
+3357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6956
5K → 10K38365+318#6956#6638
10K → 15K34930+319#6638#6319
15K → 20K4716+465#6319#5854
20K → Half1120+112#5854#5742
Half → 25K4613+458#5742#5284
25K → 30K6280+628#5284#4656
30K → 20M2472+245#4656#4411
20M → 21M1933+190#4411#4221
21M → 35K1141+113#4221#4108
35K → 23M1663+163#4108#3945
23M → 24M1208+112#3945#3833
24M → 40K8612+74#3833#3759
40K → 25.2M466+40#3759#3719
25.2M → Finish1255+120#3719#3599
TOTALS3501144+3357
📊

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