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BOSTON MARATHON 2025

Antony Keller

Bib: 1205•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:11
Rank: #1719
Start → 5K
19:11 | 6:10/mi
10K· 6.21 mi
38:20
Rank: #1724 (-5)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
57:33
Rank: #1739 (-15)
10K → 15K
19:13 | 6:11/mi
20K· 12.43 mi
1:17:20
Rank: #1865 (-126)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:21:35
Rank: #1884 (-19)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:38:05
Rank: #2257 (-373)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
1:59:31
Rank: #2508 (-251)
25K → 30K
21:26 | 6:54/mi
20M
2:09:12
Rank: #2629 (-121)
30K → 20M
9:41 | 7:08/mi
21M
2:16:40
Rank: #2719 (-90)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:21:38
Rank: #2710 (+9)
21M → 35K
4:58 | 6:38/mi
23M
2:30:11
Rank: #2679 (+31)
35K → 23M
8:33 | 6:49/mi
24M
2:37:00
Rank: #2680 (-1)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:43:06
Rank: #2706 (-26)
24M → 40K
6:06 | 7:08/mi
25.2M
2:45:48
Rank: #2723 (-17)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:52:33
Rank: #2726 (-3)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:35
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4519:116:1019:11
6:10
-
10K
6.21 mi10:38:5438:206:1019:09
6:10
0:00
15K
9.32 mi10:58:0757:336:1019:13
6:11
+0:01
20K
12.43 mi11:17:541:17:206:1319:47
6:22
+0:11
Half
13.11 mi11:22:091:21:356:134:15
6:14
-0:08
25K
15.53 mi11:38:391:38:056:1916:30
6:48
+0:34
30K
18.64 mi12:00:051:59:316:2521:26
6:54
+0:06
20M
20.00 mi12:09:462:09:126:289:41
7:08
+0:14
21M
21.00 mi12:17:142:16:406:307:28
7:28
+0:20
35K
21.75 mi12:22:122:21:386:314:58
6:38
-0:50
23M
23.00 mi12:30:452:30:116:328:33
6:49
+0:11
24M
24.00 mi12:37:342:37:006:336:49
6:49
0:00
40K
24.85 mi12:43:402:43:066:346:06
7:08
+0:19
25.2M
25.20 mi12:46:222:45:486:352:42
7:50
+0:42
Finish
26.22 mi12:53:072:52:336:356:45
6:37
-1:13

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

6:10 /mi

Average Pace

6:35 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:35

47% of race

Time at Steady Pace

1:05:01

38% of race

Time at Slower Pace

25:57

15% of race

Average Pace: 6:35 /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 mi10:19:4519:116:1019:11
6:10
#1719
10K
6.21 mi10:38:5438:206:1019:09
6:10
#1724
15K
9.32 mi10:58:0757:336:1019:13
6:11
#1739
20K
12.43 mi11:17:541:17:206:1319:47
6:22
#1865
Half
13.11 mi11:22:091:21:356:134:15
6:14
#1884
25K
15.53 mi11:38:391:38:056:1916:30
6:48
#2257
30K
18.64 mi12:00:051:59:316:2521:26
6:54
#2508
20M
20.00 mi12:09:462:09:126:289:41
7:08
#2629
21M
21.00 mi12:17:142:16:406:307:28
7:28
#2719
35K
21.75 mi12:22:122:21:386:314:58
6:38
#2710
23M
23.00 mi12:30:452:30:116:328:33
6:49
#2679
24M
24.00 mi12:37:342:37:006:336:49
6:49
#2680
40K
24.85 mi12:43:402:43:066:346:06
7:08
#2706
25.2M
25.20 mi12:46:222:45:486:352:42
7:50
#2723
Finish
26.22 mi12:53:072:52:336:356:45
6:37
#2726
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1719163316331783(Top 6%)1695(Top 11%)1695(Top 30%)
10K6.21 mi3.10 mi1724-51639-61639-61744(Top 6%)1660(Top 10%)1660(Top 29%)
15K9.32 mi3.11 mi1739-151653-141653-141783(Top 6%)1695(Top 11%)1695(Top 30%)
20K12.43 mi3.11 mi1865-1261776-1231776-1232346(Top 8%)2236(Top 14%)2236(Top 40%)
Half13.11 mi0.68 mi1884-191795-191795-192131(Top 8%)2035(Top 13%)2035(Top 36%)
25K15.53 mi2.42 mi2257-3732154-3592154-3594889(Top 17%)4490(Top 28%)4490(Top 80%)
30K18.64 mi3.11 mi2508-2512395-2412395-2414045(Top 14%)3721(Top 23%)3721(Top 66%)
20M20.00 mi1.36 mi2629-1212511-1162511-1164778(Top 17%)4304(Top 27%)4304(Top 76%)
21M21.00 mi1.00 mi2719-902589-782589-784408(Top 16%)3926(Top 24%)3926(Top 70%)
35K21.75 mi0.75 mi2710+92578+112578+113114(Top 11%)2856(Top 18%)2856(Top 51%)
23M23.00 mi1.25 mi2679+312546+322546+322820(Top 10%)2582(Top 16%)2582(Top 46%)
24M24.00 mi1.00 mi2680-12543+32543+33655(Top 13%)3251(Top 20%)3251(Top 58%)
40K24.85 mi0.85 mi2706-262564-212564-214625(Top 16%)3930(Top 24%)3930(Top 70%)
25.2M25.20 mi0.35 mi2723-172578-142578-144922(Top 17%)4039(Top 25%)4039(Top 72%)
Finish26.22 mi1.02 mi2726-32579-12579-13427(Top 12%)2996(Top 19%)2996(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1783

Males

1695

M18-39

1695

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1744

Males

1660

M18-39

1660

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1783

Males

1695

M18-39

1695

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2346

Males

2236

M18-39

2236

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2131

Males

2035

M18-39

2035

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4889

Males

4490

M18-39

4490

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4045

Males

3721

M18-39

3721

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4778

Males

4304

M18-39

4304

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4408

Males

3926

M18-39

3926

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3114

Males

2856

M18-39

2856

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2820

Males

2582

M18-39

2582

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3655

Males

3251

M18-39

3251

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4625

Males

3930

M18-39

3930

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4922

Males

4039

M18-39

4039

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3427

Males

2996

M18-39

2996

Passing Analysis

Category:
Athletes Passed
488
Passed By
1495
Net Change
-1007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1719
5K → 10K8085-5#1719#1724
10K → 15K5469-15#1724#1739
15K → 20K32158-126#1739#1865
20K → Half423-19#1865#1884
Half → 25K11384-373#1884#2257
25K → 30K39290-251#2257#2508
30K → 20M23144-121#2508#2629
20M → 21M28118-90#2629#2719
21M → 35K3122+9#2719#2710
35K → 23M6837+31#2710#2679
23M → 24M4647-1#2679#2680
24M → 40K3157-26#2680#2706
40K → 25.2M825-17#2706#2723
25.2M → Finish3336-3#2723#2726
TOTALS4881495-1007
📊

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