Boston Marathon logo
BOSTON MARATHON 2025

Bill Carr

Bib: 25476•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:56
Rank: #24639
Start → 5K
9:38/mi
29:56 split
10K· 6.21 mi
59:49
Rank: #24528 (+111)
5K → 10K
9:37/mi
29:53 split
15K· 9.32 mi
1:30:06
Rank: #24485 (+43)
10K → 15K
9:45/mi
30:17 split
20K· 12.43 mi
2:01:02
Rank: #24394 (+91)
15K → 20K
9:57/mi
30:56 split
Half· 13.11 mi
2:07:30
Rank: #24340 (+54)
20K → Half
9:29/mi
6:28 split
25K· 15.53 mi
2:31:47
Rank: #24158 (+182)
Half → 25K
10:01/mi
24:17 split
30K· 18.64 mi
3:03:57
Rank: #23869 (+289)
25K → 30K
10:21/mi
32:10 split
20M
3:17:52
Rank: #23709 (+160)
30K → 20M
10:14/mi
13:55 split
21M
3:29:37
Rank: #23679 (+30)
20M → 21M
11:45/mi
11:45 split
35K· 21.75 mi
3:37:36
Rank: #23679
21M → 35K
10:40/mi
7:59 split
23M
3:51:09
Rank: #23614 (+65)
35K → 23M
10:49/mi
13:33 split
24M
4:00:32
Rank: #23438 (+176)
23M → 24M
9:23/mi
9:23 split
40K· 24.85 mi
4:08:57
Rank: #23292 (+146)
24M → 40K
9:51/mi
8:25 split
25.2M
4:13:35
Rank: #23353 (-61)
40K → 25.2M
13:26/mi
4:38 split
Finish· 26.22 mi
4:24:21
Rank: #23426 (-73)
25.2M → Finish
10:34/mi
10:46 split

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
Time2:07:30
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:16:51
Pace10:26 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0029:569:3829:56
9:38
-
10K
6.21 mi11:59:5359:499:3829:53
9:37
-0:01
15K
9.32 mi12:30:101:30:069:4030:17
9:45
+0:08
20K
12.43 mi13:01:062:01:029:4430:56
9:57
+0:12
Half
13.11 mi13:07:342:07:309:446:28
9:29
-0:28
25K
15.53 mi13:31:512:31:479:4624:17
10:01
+0:32
30K
18.64 mi14:04:013:03:579:5232:10
10:21
+0:20
20M
20.00 mi14:17:563:17:529:5413:55
10:14
-0:07
21M
21.00 mi14:29:413:29:379:5911:45
11:45
+1:31
35K
21.75 mi14:37:403:37:3610:007:59
10:40
-1:05
23M
23.00 mi14:51:133:51:0910:0313:33
10:49
+0:09
24M
24.00 mi15:00:364:00:3210:019:23
9:23
-1:26
40K
24.85 mi15:09:014:08:5710:018:25
9:51
+0:28
25.2M
25.20 mi15:13:394:13:3510:044:38
13:26
+3:35
Finish
26.22 mi15:24:254:24:2110:0510:46
10:34
-2:52

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

9:23 /mi

Average Pace

10:05 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:51

6% of race

Time at Steady Pace

3:19:49

76% of race

Time at Slower Pace

48:41

18% of race

Average Pace: 10:05 /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 mi11:30:0029:569:3829:56
9:38
#24639
10K
6.21 mi11:59:5359:499:3829:53
9:37
#24528
15K
9.32 mi12:30:101:30:069:4030:17
9:45
#24485
20K
12.43 mi13:01:062:01:029:4430:56
9:57
#24394
Half
13.11 mi13:07:342:07:309:446:28
9:29
#24340
25K
15.53 mi13:31:512:31:479:4624:17
10:01
#24158
30K
18.64 mi14:04:013:03:579:5232:10
10:21
#23869
20M
20.00 mi14:17:563:17:529:5413:55
10:14
#23709
21M
21.00 mi14:29:413:29:379:5911:45
11:45
#23679
35K
21.75 mi14:37:403:37:3610:007:59
10:40
#23679
23M
23.00 mi14:51:133:51:0910:0313:33
10:49
#23614
24M
24.00 mi15:00:364:00:3210:019:23
9:23
#23438
40K
24.85 mi15:09:014:08:5710:018:25
9:51
#23292
25.2M
25.20 mi15:13:394:13:3510:044:38
13:26
#23353
Finish
26.22 mi15:24:254:24:2110:0510:46
10:34
#23426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi24639145441454424416(Top 86%)14447(Top 90%)14447(Top 6336%)
10K6.21 mi3.10 mi24528+11114499+4514499+4524407(Top 86%)14426(Top 90%)14426(Top 6327%)
15K9.32 mi3.11 mi24485+4314471+2814471+2824416(Top 86%)14447(Top 90%)14447(Top 6336%)
20K12.43 mi3.11 mi24394+9114411+6014411+6024134(Top 85%)14284(Top 89%)14284(Top 6265%)
Half13.11 mi0.68 mi24340+5414385+2614385+2623494(Top 83%)14003(Top 87%)14003(Top 6142%)
25K15.53 mi2.42 mi24158+18214299+8614299+8623294(Top 82%)13876(Top 86%)13876(Top 6086%)
30K18.64 mi3.11 mi23869+28914144+15514144+15522598(Top 80%)13434(Top 83%)13434(Top 5892%)
20M20.00 mi1.36 mi23709+16014045+9914045+9921688(Top 76%)12906(Top 80%)12906(Top 5661%)
21M21.00 mi1.00 mi23679+3014019+2614019+2623121(Top 81%)13512(Top 84%)13512(Top 5926%)
35K21.75 mi0.75 mi2367914013+614013+623513(Top 83%)13641(Top 85%)13641(Top 5983%)
23M23.00 mi1.25 mi23614+6513967+4613967+4622795(Top 80%)13246(Top 82%)13246(Top 5810%)
24M24.00 mi1.00 mi23438+17613871+9613871+9619160(Top 67%)11493(Top 71%)11493(Top 5041%)
40K24.85 mi0.85 mi23292+14613777+9413777+9419936(Top 70%)11770(Top 73%)11770(Top 5162%)
25.2M25.20 mi0.35 mi23353-6113801-2413801-2425585(Top 90%)14524(Top 90%)14524(Top 6370%)
Finish26.22 mi1.02 mi23426-7313819-1813819-1824424(Top 86%)13995(Top 87%)13995(Top 6138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24416

Males

14447

M70-74

14447

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24407

Males

14426

M70-74

14426

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24416

Males

14447

M70-74

14447

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24134

Males

14284

M70-74

14284

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23494

Males

14003

M70-74

14003

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23294

Males

13876

M70-74

13876

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22598

Males

13434

M70-74

13434

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21688

Males

12906

M70-74

12906

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23121

Males

13512

M70-74

13512

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23513

Males

13641

M70-74

13641

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22795

Males

13246

M70-74

13246

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19160

Males

11493

M70-74

11493

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19936

Males

11770

M70-74

11770

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25585

Males

14524

M70-74

14524

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24424

Males

13995

M70-74

13995

Passing Analysis

Category:
Athletes Passed
1915
Passed By
702
Net Change
+1213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24639
5K → 10K254143+111#24639#24528
10K → 15K155112+43#24528#24485
15K → 20K17180+91#24485#24394
20K → Half562+54#24394#24340
Half → 25K20826+182#24340#24158
25K → 30K33041+289#24158#23869
30K → 20M17414+160#23869#23709
20M → 21M8050+30#23709#23679
21M → 35K46460#23679#23679
35K → 23M9227+65#23679#23614
23M → 24M1760+176#23614#23438
24M → 40K1493+146#23438#23292
40K → 25.2M364-61#23292#23353
25.2M → Finish2194-73#23353#23426
TOTALS1915702+1213
📊

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