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BOSTON MARATHON 2025

Adam Heiser

Bib: 2557•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:39
Rank: #2604
Start → 5K
19:39 | 6:19/mi
10K· 6.21 mi
39:18
Rank: #2591 (+13)
5K → 10K
19:39 | 6:19/mi
15K· 9.32 mi
58:55
Rank: #2512 (+79)
10K → 15K
19:37 | 6:19/mi
20K· 12.43 mi
1:18:34
Rank: #2381 (+131)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:22:45
Rank: #2333 (+48)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:38:05
Rank: #2261 (+72)
Half → 25K
15:20 | 6:19/mi
30K· 18.64 mi
1:58:09
Rank: #2133 (+128)
25K → 30K
20:04 | 6:28/mi
20M
2:07:01
Rank: #2076 (+57)
30K → 20M
8:52 | 6:31/mi
21M
2:14:01
Rank: #2068 (+8)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:18:37
Rank: #2007 (+61)
21M → 35K
4:36 | 6:09/mi
23M
2:26:50
Rank: #1949 (+58)
35K → 23M
8:13 | 6:34/mi
24M
2:33:14
Rank: #1902 (+47)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:38:49
Rank: #1867 (+35)
24M → 40K
5:35 | 6:32/mi
25.2M
2:41:19
Rank: #1866 (+1)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:47:56
Rank: #1869 (-3)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:45
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:25:11
Pace6:30 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3519:396:1919:39
6:19
-
10K
6.21 mi10:40:1439:186:1919:39
6:19
0:00
15K
9.32 mi10:59:5158:556:1919:37
6:19
0:00
20K
12.43 mi11:19:301:18:346:1919:39
6:19
0:00
Half
13.11 mi11:23:411:22:456:194:11
6:08
-0:11
25K
15.53 mi11:39:011:38:056:1915:20
6:19
+0:11
30K
18.64 mi11:59:051:58:096:2020:04
6:28
+0:09
20M
20.00 mi12:07:572:07:016:218:52
6:31
+0:03
21M
21.00 mi12:14:572:14:016:237:00
7:00
+0:29
35K
21.75 mi12:19:332:18:376:224:36
6:09
-0:51
23M
23.00 mi12:27:462:26:506:238:13
6:34
+0:25
24M
24.00 mi12:34:102:33:146:236:24
6:24
-0:10
40K
24.85 mi12:39:452:38:496:235:35
6:32
+0:08
25.2M
25.20 mi12:42:152:41:196:242:30
7:15
+0:43
Finish
26.22 mi12:48:522:47:566:256:37
6:30
-0:45

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

6:08 /mi

Average Pace

6:25 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:26

94% of race

Time at Steady Pace

7:00

4% of race

Time at Slower Pace

2:30

1% of race

Average Pace: 6:24 /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 mi10:20:3519:396:1919:39
6:19
#2604
10K
6.21 mi10:40:1439:186:1919:39
6:19
#2591
15K
9.32 mi10:59:5158:556:1919:37
6:19
#2512
20K
12.43 mi11:19:301:18:346:1919:39
6:19
#2381
Half
13.11 mi11:23:411:22:456:194:11
6:08
#2333
25K
15.53 mi11:39:011:38:056:1915:20
6:19
#2261
30K
18.64 mi11:59:051:58:096:2020:04
6:28
#2133
20M
20.00 mi12:07:572:07:016:218:52
6:31
#2076
21M
21.00 mi12:14:572:14:016:237:00
7:00
#2068
35K
21.75 mi12:19:332:18:376:224:36
6:09
#2007
23M
23.00 mi12:27:462:26:506:238:13
6:34
#1949
24M
24.00 mi12:34:102:33:146:236:24
6:24
#1902
40K
24.85 mi12:39:452:38:496:235:35
6:32
#1867
25.2M
25.20 mi12:42:152:41:196:242:30
7:15
#1866
Finish
26.22 mi12:48:522:47:566:256:37
6:30
#1869
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2604248024802420(Top 9%)2310(Top 14%)2310(Top 97%)
10K6.21 mi3.10 mi2591+132469+112469+112573(Top 9%)2457(Top 15%)2457(Top 103%)
15K9.32 mi3.11 mi2512+792396+732396+732420(Top 9%)2310(Top 14%)2310(Top 97%)
20K12.43 mi3.11 mi2381+1312272+1242272+1242132(Top 8%)2033(Top 13%)2033(Top 85%)
Half13.11 mi0.68 mi2333+482226+462226+461698(Top 6%)1617(Top 10%)1617(Top 68%)
25K15.53 mi2.42 mi2261+722158+682158+681997(Top 7%)1901(Top 12%)1901(Top 80%)
30K18.64 mi3.11 mi2133+1282033+1252033+1251811(Top 6%)1722(Top 11%)1722(Top 72%)
20M20.00 mi1.36 mi2076+571977+561977+561735(Top 6%)1641(Top 10%)1641(Top 69%)
21M21.00 mi1.00 mi2068+81968+91968+92263(Top 8%)2114(Top 13%)2114(Top 89%)
35K21.75 mi0.75 mi2007+611908+601908+601104(Top 4%)1042(Top 6%)1042(Top 44%)
23M23.00 mi1.25 mi1949+581850+581850+581705(Top 6%)1594(Top 10%)1594(Top 67%)
24M24.00 mi1.00 mi1902+471804+461804+461671(Top 6%)1558(Top 10%)1558(Top 65%)
40K24.85 mi0.85 mi1867+351769+351769+351740(Top 6%)1610(Top 10%)1610(Top 67%)
25.2M25.20 mi0.35 mi1866+11768+11768+12353(Top 8%)2106(Top 13%)2106(Top 88%)
Finish26.22 mi1.02 mi1869-31769-11769-12793(Top 10%)2500(Top 16%)2500(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2420

Males

2310

M45-49

2310

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2573

Males

2457

M45-49

2457

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2420

Males

2310

M45-49

2310

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2132

Males

2033

M45-49

2033

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1698

Males

1617

M45-49

1617

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1997

Males

1901

M45-49

1901

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1811

Males

1722

M45-49

1722

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1735

Males

1641

M45-49

1641

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2263

Males

2114

M45-49

2114

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1104

Males

1042

M45-49

1042

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1705

Males

1594

M45-49

1594

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1671

Males

1558

M45-49

1558

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1740

Males

1610

M45-49

1610

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2353

Males

2106

M45-49

2106

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2793

Males

2500

M45-49

2500

Passing Analysis

Category:
Athletes Passed
1087
Passed By
352
Net Change
+735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2604
5K → 10K121108+13#2604#2591
10K → 15K12445+79#2591#2512
15K → 20K14817+131#2512#2381
20K → Half480+48#2381#2333
Half → 25K9321+72#2333#2261
25K → 30K15224+128#2261#2133
30K → 20M6912+57#2133#2076
20M → 21M3830+8#2076#2068
21M → 35K643+61#2068#2007
35K → 23M8123+58#2007#1949
23M → 24M5710+47#1949#1902
24M → 40K449+35#1902#1867
40K → 25.2M1211+1#1867#1866
25.2M → Finish3639-3#1866#1869
TOTALS1087352+735
📊

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