Boston Marathon logo
BOSTON MARATHON 2025

Joe Croshaw

Bib: 4888•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
Masters (Masters Men)
#0 / 10463
Top 22%
Division (M40-44)
#0 / 2247
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:29/mi
20:08
↑ 97↓ 3451.5%
10K· 6.21 mi
6:29/mi
40:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:25/mi
1:00:12
↑ 67↓ 78
20K· 12.43 mi
6:27/mi
1:20:13
↑ 106↓ 860.1%
Half· 13.11 mi
6:24/mi
1:24:35
↑ 19↓ 370.5%
25K· 15.53 mi
6:29/mi
1:40:18
↑ 66↓ 880.2%
30K· 18.64 mi
6:42/mi
2:01:08
↑ 181↓ 1480.2%
20M
6:48/mi
2:10:22
↑ 64↓ 500.2%
21M
7:08/mi
2:17:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:22:44
↑ 17↓ 861.7%
23M
8:26/mi
2:33:17
↑ 23↓ 630.6%
24M
9:43/mi
2:43:00
↓ 821.3%
40K· 24.85 mi
13:02/mi
2:54:09
↓ 200.3%
25.2M
11:50/mi
2:58:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
3:08:21
↑ 22↓ 21

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
Time1:24:35
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Positive Split: 22.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4920:086:2920:08
6:29
-
10K
6.21 mi10:43:5740:166:2920:08
6:29
0:00
15K
9.32 mi11:03:531:00:126:2819:56
6:25
-0:04
20K
12.43 mi11:23:541:20:136:2720:01
6:27
+0:02
Half
13.11 mi11:28:161:24:356:274:22
6:24
-0:03
25K
15.53 mi11:43:591:40:186:2715:43
6:29
+0:05
30K
18.64 mi12:04:492:01:086:3020:50
6:42
+0:13
20M
20.00 mi12:14:032:10:226:319:14
6:48
+0:06
21M
21.00 mi12:21:112:17:306:337:08
7:08
+0:20
35K
21.75 mi12:26:252:22:446:345:14
7:00
-0:08
23M
23.00 mi12:36:582:33:176:4010:33
8:26
+1:26
24M
24.00 mi12:46:412:43:006:489:43
9:43
+1:17
40K
24.85 mi12:57:502:54:097:0011:09
13:02
+3:19
25.2M
25.20 mi13:01:552:58:147:044:05
11:50
-1:12
Finish
26.22 mi13:12:023:08:217:1110:07
9:56
-1:54

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

7:11 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:22:44

76% of race

Time at Slower Pace

45:37

24% of race

Average Pace: 7:11 /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 mi10:23:4920:086:2920:08
6:29
#3709
10K
6.21 mi10:43:5740:166:2920:08
6:29
#3642
15K
9.32 mi11:03:531:00:126:2819:56
6:25
#3385
20K
12.43 mi11:23:541:20:136:2720:01
6:27
#3201
Half
13.11 mi11:28:161:24:356:274:22
6:24
#3188
25K
15.53 mi11:43:591:40:186:2715:43
6:29
#3096
30K
18.64 mi12:04:492:01:086:3020:50
6:42
#3033
20M
20.00 mi12:14:032:10:226:319:14
6:48
#2985
21M
21.00 mi12:21:112:17:306:337:08
7:08
#2941
35K
21.75 mi12:26:252:22:446:345:14
7:00
#2978
23M
23.00 mi12:36:582:33:176:4010:33
8:26
#3437
24M
24.00 mi12:46:412:43:006:489:43
9:43
#4238
40K
24.85 mi12:57:502:54:097:0011:09
13:02
#5602
25.2M
25.20 mi13:01:552:58:147:044:05
11:50
#5911
Finish
26.22 mi13:12:023:08:217:1110:07
9:56
#6581
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3709351535153048(Top 11%)2905(Top 18%)2905(Top 129%)
10K6.21 mi3.10 mi3642+673453+623453+623591(Top 13%)3398(Top 21%)3398(Top 151%)
15K9.32 mi3.11 mi3385+2573214+2393214+2393048(Top 11%)2905(Top 18%)2905(Top 129%)
20K12.43 mi3.11 mi3201+1843048+1663048+1662788(Top 10%)2655(Top 16%)2655(Top 118%)
Half13.11 mi0.68 mi3188+133037+113037+113105(Top 11%)2966(Top 18%)2966(Top 132%)
25K15.53 mi2.42 mi3096+922951+862951+862809(Top 10%)2673(Top 17%)2673(Top 119%)
30K18.64 mi3.11 mi3033+632888+632888+632922(Top 10%)2753(Top 17%)2753(Top 123%)
20M20.00 mi1.36 mi2985+482839+492839+492917(Top 10%)2726(Top 17%)2726(Top 121%)
21M21.00 mi1.00 mi2941+442792+472792+472854(Top 10%)2648(Top 16%)2648(Top 118%)
35K21.75 mi0.75 mi2978-372821-292821-295343(Top 19%)4625(Top 29%)4625(Top 206%)
23M23.00 mi1.25 mi3437-4593239-4183239-41812819(Top 45%)8604(Top 53%)8604(Top 383%)
24M24.00 mi1.00 mi4238-8013922-6833922-68320425(Top 72%)12058(Top 75%)12058(Top 537%)
40K24.85 mi0.85 mi5602-13645045-11235045-112326331(Top 93%)14956(Top 93%)14956(Top 666%)
25.2M25.20 mi0.35 mi5911-3095270-2255270-22522833(Top 80%)13176(Top 82%)13176(Top 586%)
Finish26.22 mi1.02 mi6581-6705708-4385708-43822687(Top 80%)13111(Top 81%)13111(Top 583%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3048

Males

2905

M40-44

2905

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3591

Males

3398

M40-44

3398

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3048

Males

2905

M40-44

2905

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2788

Males

2655

M40-44

2655

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

3105

Males

2966

M40-44

2966

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2809

Males

2673

M40-44

2673

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2922

Males

2753

M40-44

2753

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2917

Males

2726

M40-44

2726

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2854

Males

2648

M40-44

2648

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5343

Males

4625

M40-44

4625

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12819

Males

8604

M40-44

8604

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20425

Males

12058

M40-44

12058

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26331

Males

14956

M40-44

14956

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22833

Males

13176

M40-44

13176

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22687

Males

13111

M40-44

13111

Passing Analysis

Category:
Athletes Passed
1127
Passed By
3999
Net Change
-2872
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3709
5K → 10K176109+67#3709#3642
10K → 15K27518+257#3642#3385
15K → 20K20319+184#3385#3201
20K → Half207+13#3201#3188
Half → 25K11422+92#3188#3096
25K → 30K15087+63#3096#3033
30K → 20M7426+48#3033#2985
20M → 21M6824+44#2985#2941
21M → 35K2562-37#2941#2978
35K → 23M8467-459#2978#3437
23M → 24M4805-801#3437#4238
24M → 40K21366-1364#4238#5602
40K → 25.2M2311-309#5602#5911
25.2M → Finish6676-670#5911#6581
TOTALS11273999-2872
📊

Passing Visuals

Category:
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