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BOSTON MARATHON 2025

Adam Day

Bib: 6833•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #11693
Start → 5K
23:07 | 7:26/mi
10K· 6.21 mi
46:19
Rank: #11725 (-32)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:09:26
Rank: #11522 (+203)
10K → 15K
23:07 | 7:26/mi
20K· 12.43 mi
1:32:44
Rank: #11325 (+197)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:37:44
Rank: #11260 (+65)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:57:28
Rank: #11854 (-594)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:20:48
Rank: #11057 (+797)
25K → 30K
23:20 | 7:31/mi
20M
2:31:16
Rank: #10799 (+258)
30K → 20M
10:28 | 7:42/mi
21M
2:39:28
Rank: #10625 (+174)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:45:00
Rank: #10498 (+127)
21M → 35K
5:32 | 7:24/mi
23M
2:54:32
Rank: #10254 (+244)
35K → 23M
9:32 | 7:37/mi
24M
3:01:58
Rank: #10081 (+173)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:08:30
Rank: #9936 (+145)
24M → 40K
6:32 | 7:38/mi
25.2M
3:11:23
Rank: #9894 (+42)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:19:22
Rank: #9956 (-62)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:44
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:2923:077:2623:07
7:26
-
10K
6.21 mi10:54:4146:197:2723:12
7:28
+0:02
15K
9.32 mi11:17:481:09:267:2723:07
7:26
-0:02
20K
12.43 mi11:41:061:32:447:2823:18
7:30
+0:04
Half
13.11 mi11:46:061:37:447:275:00
7:20
-0:10
25K
15.53 mi12:05:501:57:287:3419:44
8:08
+0:48
30K
18.64 mi12:29:102:20:487:3323:20
7:31
-0:37
20M
20.00 mi12:39:382:31:167:3410:28
7:42
+0:11
21M
21.00 mi12:47:502:39:287:368:12
8:12
+0:30
35K
21.75 mi12:53:222:45:007:355:32
7:24
-0:48
23M
23.00 mi13:02:542:54:327:359:32
7:37
+0:13
24M
24.00 mi13:10:203:01:587:357:26
7:26
-0:11
40K
24.85 mi13:16:523:08:307:356:32
7:38
+0:12
25.2M
25.20 mi13:19:453:11:237:362:53
8:22
+0:44
Finish
26.22 mi13:27:443:19:227:377:59
7:50
-0:32

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

7:20 /mi

Average Pace

7:37 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:33

85% of race

Time at Steady Pace

30:49

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:31:2923:077:2623:07
7:26
#11693
10K
6.21 mi10:54:4146:197:2723:12
7:28
#11725
15K
9.32 mi11:17:481:09:267:2723:07
7:26
#11522
20K
12.43 mi11:41:061:32:447:2823:18
7:30
#11325
Half
13.11 mi11:46:061:37:447:275:00
7:20
#11260
25K
15.53 mi12:05:501:57:287:3419:44
8:08
#11854
30K
18.64 mi12:29:102:20:487:3323:20
7:31
#11057
20M
20.00 mi12:39:382:31:167:3410:28
7:42
#10799
21M
21.00 mi12:47:502:39:287:368:12
8:12
#10625
35K
21.75 mi12:53:222:45:007:355:32
7:24
#10498
23M
23.00 mi13:02:542:54:327:359:32
7:37
#10254
24M
24.00 mi13:10:203:01:587:357:26
7:26
#10081
40K
24.85 mi13:16:523:08:307:356:32
7:38
#9936
25.2M
25.20 mi13:19:453:11:237:362:53
8:22
#9894
Finish
26.22 mi13:27:443:19:227:377:59
7:50
#9956
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi116939034903411226(Top 40%)8704(Top 54%)8704(Top 365%)
10K6.21 mi3.10 mi11725-329035-19035-111763(Top 41%)9028(Top 56%)9028(Top 378%)
15K9.32 mi3.11 mi11522+2038901+1348901+13411226(Top 40%)8704(Top 54%)8704(Top 365%)
20K12.43 mi3.11 mi11325+1978780+1218780+12110751(Top 38%)8377(Top 52%)8377(Top 351%)
Half13.11 mi0.68 mi11260+658750+308750+3010206(Top 36%)8122(Top 50%)8122(Top 340%)
25K15.53 mi2.42 mi11854-5948976-2268976-22614875(Top 52%)10141(Top 63%)10141(Top 425%)
30K18.64 mi3.11 mi11057+7978532+4448532+4447817(Top 28%)6484(Top 40%)6484(Top 272%)
20M20.00 mi1.36 mi10799+2588361+1718361+1718362(Top 29%)6655(Top 41%)6655(Top 279%)
21M21.00 mi1.00 mi10625+1748240+1218240+1218578(Top 30%)6586(Top 41%)6586(Top 276%)
35K21.75 mi0.75 mi10498+1278160+808160+807899(Top 28%)6253(Top 39%)6253(Top 262%)
23M23.00 mi1.25 mi10254+2447983+1777983+1777337(Top 26%)5777(Top 36%)5777(Top 242%)
24M24.00 mi1.00 mi10081+1737873+1107873+1107257(Top 26%)5690(Top 35%)5690(Top 238%)
40K24.85 mi0.85 mi9936+1457766+1077766+1077702(Top 27%)5840(Top 36%)5840(Top 245%)
25.2M25.20 mi0.35 mi9894+427727+397727+397954(Top 28%)5895(Top 37%)5895(Top 247%)
Finish26.22 mi1.02 mi9956-627733-67733-611655(Top 41%)7844(Top 49%)7844(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11226

Males

8704

M45-49

8704

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11763

Males

9028

M45-49

9028

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11226

Males

8704

M45-49

8704

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10751

Males

8377

M45-49

8377

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10206

Males

8122

M45-49

8122

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14875

Males

10141

M45-49

10141

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7817

Males

6484

M45-49

6484

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8362

Males

6655

M45-49

6655

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8578

Males

6586

M45-49

6586

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7899

Males

6253

M45-49

6253

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7337

Males

5777

M45-49

5777

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7257

Males

5690

M45-49

5690

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7702

Males

5840

M45-49

5840

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7954

Males

5895

M45-49

5895

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11655

Males

7844

M45-49

7844

Passing Analysis

Category:
Athletes Passed
3036*
Passed By
1299
Net Change
+1737
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11693
5K → 10K227259-32#11693#11725
10K → 15K28683+203#11725#11522
15K → 20K28588+197#11522#11325
20K → Half705+65#11325#11260
Half → 25K60654-594#11260#11854
25K → 30K8036+797#11854#11057
30K → 20M27113+258#11057#10799
20M → 21M19521+174#10799#10625
21M → 35K1325+127#10625#10498
35K → 23M25713+244#10498#10254
23M → 24M1818+173#10254#10081
24M → 40K158*13+145#10081#9936
40K → 25.2M5917+42#9936#9894
25.2M → Finish52114-62#9894#9956
TOTALS3036*1299+1737

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing