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BOSTON MARATHON 2025

Andy Bayer

Bib: 1855•M

OR

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0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:24
Rank: #2102
Start → 5K
19:24 | 6:15/mi
10K· 6.21 mi
37:59
Rank: #1477 (+625)
5K → 10K
18:35 | 5:59/mi
15K· 9.32 mi
56:37
Rank: #1292 (+185)
10K → 15K
18:38 | 6:00/mi
20K· 12.43 mi
1:15:13
Rank: #1141 (+151)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:19:15
Rank: #1123 (+18)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:33:42
Rank: #1036 (+87)
Half → 25K
14:27 | 5:58/mi
30K· 18.64 mi
1:53:18
Rank: #1053 (-17)
25K → 30K
19:36 | 6:19/mi
20M
2:02:42
Rank: #1168 (-115)
30K → 20M
9:24 | 6:55/mi
21M
2:10:14
Rank: #1276 (-108)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:15:01
Rank: #1282 (-6)
21M → 35K
4:47 | 6:24/mi
23M
2:25:59
Rank: #1761 (-479)
35K → 23M
10:58 | 8:46/mi
24M
2:32:07
Rank: #1683 (+78)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:37:27
Rank: #1606 (+77)
24M → 40K
5:20 | 6:14/mi
25.2M
2:39:44
Rank: #1564 (+42)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:45:58
Rank: #1526 (+38)
25.2M → Finish
6:14 | 6:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:15
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:26:43
Pace6:37 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1219:246:1519:24
6:15
-
10K
6.21 mi10:38:4737:596:0718:35
5:59
-0:16
15K
9.32 mi10:57:2556:376:0418:38
6:00
+0:01
20K
12.43 mi11:16:011:15:136:0318:36
5:59
-0:01
Half
13.11 mi11:20:031:19:156:034:02
5:55
-0:04
25K
15.53 mi11:34:301:33:426:0214:27
5:58
+0:03
30K
18.64 mi11:54:061:53:186:0519:36
6:19
+0:21
20M
20.00 mi12:03:302:02:426:089:24
6:55
+0:36
21M
21.00 mi12:11:022:10:146:127:32
7:32
+0:37
35K
21.75 mi12:15:492:15:016:124:47
6:24
-1:08
23M
23.00 mi12:26:472:25:596:2110:58
8:46
+2:22
24M
24.00 mi12:32:552:32:076:206:08
6:08
-2:38
40K
24.85 mi12:38:152:37:276:205:20
6:14
+0:06
25.2M
25.20 mi12:40:322:39:446:202:17
6:37
+0:23
Finish
26.22 mi12:46:462:45:586:206:14
6:07
-0:30

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

5:55 /mi

Average Pace

6:20 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:15:47

82% of race

Time at Slower Pace

30:11

18% of race

Average Pace: 6:20 /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 mi10:20:1219:246:1519:24
6:15
#2102
10K
6.21 mi10:38:4737:596:0718:35
5:59
#1477
15K
9.32 mi10:57:2556:376:0418:38
6:00
#1292
20K
12.43 mi11:16:011:15:136:0318:36
5:59
#1141
Half
13.11 mi11:20:031:19:156:034:02
5:55
#1123
25K
15.53 mi11:34:301:33:426:0214:27
5:58
#1036
30K
18.64 mi11:54:061:53:186:0519:36
6:19
#1053
20M
20.00 mi12:03:302:02:426:089:24
6:55
#1168
21M
21.00 mi12:11:022:10:146:127:32
7:32
#1276
35K
21.75 mi12:15:492:15:016:124:47
6:24
#1282
23M
23.00 mi12:26:472:25:596:2110:58
8:46
#1761
24M
24.00 mi12:32:552:32:076:206:08
6:08
#1683
40K
24.85 mi12:38:152:37:276:205:20
6:14
#1606
25.2M
25.20 mi12:40:322:39:446:202:17
6:37
#1564
Finish
26.22 mi12:46:462:45:586:206:14
6:07
#1526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2102200420041029(Top 4%)974(Top 6%)974(Top 17%)
10K6.21 mi3.10 mi1477+6251405+5991405+5991056(Top 4%)995(Top 6%)995(Top 18%)
15K9.32 mi3.11 mi1292+1851227+1781227+1781029(Top 4%)974(Top 6%)974(Top 17%)
20K12.43 mi3.11 mi1141+1511081+1461081+146839(Top 3%)789(Top 5%)789(Top 14%)
Half13.11 mi0.68 mi1123+181063+181063+18886(Top 3%)838(Top 5%)838(Top 15%)
25K15.53 mi2.42 mi1036+87975+88975+88710(Top 2%)662(Top 4%)662(Top 12%)
30K18.64 mi3.11 mi1053-17992-17992-171233(Top 4%)1164(Top 7%)1164(Top 21%)
20M20.00 mi1.36 mi1168-1151102-1101102-1103582(Top 13%)3298(Top 20%)3298(Top 58%)
21M21.00 mi1.00 mi1276-1081203-1011203-1014738(Top 17%)4172(Top 26%)4172(Top 74%)
35K21.75 mi0.75 mi1282-61208-51208-51964(Top 7%)1838(Top 11%)1838(Top 33%)
23M23.00 mi1.25 mi1761-4791670-4621670-46214844(Top 52%)9547(Top 59%)9547(Top 169%)
24M24.00 mi1.00 mi1683+781593+771593+77862(Top 3%)811(Top 5%)811(Top 14%)
40K24.85 mi0.85 mi1606+771521+721521+72833(Top 3%)782(Top 5%)782(Top 14%)
25.2M25.20 mi0.35 mi1564+421479+421479+42644(Top 2%)599(Top 4%)599(Top 11%)
Finish26.22 mi1.02 mi1526+381443+361443+361252(Top 4%)1170(Top 7%)1170(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1029

Males

974

M18-39

974

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1056

Males

995

M18-39

995

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1029

Males

974

M18-39

974

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

839

Males

789

M18-39

789

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

886

Males

838

M18-39

838

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

710

Males

662

M18-39

662

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1233

Males

1164

M18-39

1164

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3582

Males

3298

M18-39

3298

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4738

Males

4172

M18-39

4172

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1964

Males

1838

M18-39

1838

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14844

Males

9547

M18-39

9547

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

862

Males

811

M18-39

811

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

833

Males

782

M18-39

782

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

644

Males

599

M18-39

599

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1252

Males

1170

M18-39

1170

Passing Analysis

Category:
Athletes Passed
1405
Passed By
829
Net Change
+576
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2102
5K → 10K6261+625#2102#1477
10K → 15K1894+185#1477#1292
15K → 20K1532+151#1292#1141
20K → Half191+18#1141#1123
Half → 25K881+87#1123#1036
25K → 30K4158-17#1036#1053
30K → 20M10125-115#1053#1168
20M → 21M8116-108#1168#1276
21M → 35K2127-6#1276#1282
35K → 23M3482-479#1282#1761
23M → 24M835+78#1761#1683
24M → 40K781+77#1683#1606
40K → 25.2M420+42#1606#1564
25.2M → Finish446+38#1564#1526
TOTALS1405829+576
📊

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