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BOSTON MARATHON 2025

Alan Bartos

Bib: 12725•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 35%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M45-49)
#0 / 2386
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:59/mi
21:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:02/mi
43:32
↑ 79↓ 1380.4%
15K· 9.32 mi
6:51/mi
1:04:50
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:26:29
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:31:13
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:48:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:10:15
↑ 181↓ 1480.2%
20M
7:20/mi
2:20:13
↑ 64↓ 500.2%
21M
8:01/mi
2:28:14
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:33:43
↑ 17↓ 861.7%
23M
7:23/mi
2:42:58
↑ 23↓ 630.6%
24M
7:20/mi
2:50:18
↓ 821.3%
40K· 24.85 mi
7:35/mi
2:56:47
↓ 200.3%
25.2M
8:39/mi
2:59:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:07:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:13
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5021:426:5921:42
6:59
-
10K
6.21 mi11:11:4043:327:0021:50
7:02
+0:03
15K
9.32 mi11:32:581:04:506:5721:18
6:51
-0:11
20K
12.43 mi11:54:371:26:296:5821:39
6:58
+0:07
Half
13.11 mi11:59:211:31:136:574:44
6:56
-0:02
25K
15.53 mi12:16:091:48:016:5716:48
6:56
0:00
30K
18.64 mi12:38:232:10:156:5922:14
7:09
+0:13
20M
20.00 mi12:48:212:20:137:019:58
7:20
+0:11
21M
21.00 mi12:56:222:28:147:048:01
8:01
+0:41
35K
21.75 mi13:01:512:33:437:045:29
7:20
-0:41
23M
23.00 mi13:11:062:42:587:059:15
7:23
+0:03
24M
24.00 mi13:18:262:50:187:067:20
7:20
-0:03
40K
24.85 mi13:24:552:56:477:076:29
7:35
+0:15
25.2M
25.20 mi13:27:542:59:467:082:59
8:39
+1:04
Finish
26.22 mi13:35:443:07:367:107:50
7:41
-0:58

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

6:51 /mi

Average Pace

7:10 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:01

58% of race

Time at Steady Pace

54:16

29% of race

Time at Slower Pace

25:19

13% of race

Average Pace: 7:09 /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 mi10:49:5021:426:5921:42
6:59
#7687
10K
6.21 mi11:11:4043:327:0021:50
7:02
#7891
15K
9.32 mi11:32:581:04:506:5721:18
6:51
#7472
20K
12.43 mi11:54:371:26:296:5821:39
6:58
#7231
Half
13.11 mi11:59:211:31:136:574:44
6:56
#7223
25K
15.53 mi12:16:091:48:016:5716:48
6:56
#6955
30K
18.64 mi12:38:232:10:156:5922:14
7:09
#6577
20M
20.00 mi12:48:212:20:137:019:58
7:20
#6452
21M
21.00 mi12:56:222:28:147:048:01
8:01
#6429
35K
21.75 mi13:01:512:33:437:045:29
7:20
#6425
23M
23.00 mi13:11:062:42:587:059:15
7:23
#6328
24M
24.00 mi13:18:262:50:187:067:20
7:20
#6287
40K
24.85 mi13:24:552:56:477:076:29
7:35
#6276
25.2M
25.20 mi13:27:542:59:467:082:59
8:39
#6303
Finish
26.22 mi13:35:443:07:367:107:50
7:41
#6374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7687678567856629(Top 23%)5967(Top 37%)5967(Top 250%)
10K6.21 mi3.10 mi7891-2046910-1256910-1258106(Top 29%)7029(Top 44%)7029(Top 295%)
15K9.32 mi3.11 mi7472+4196626+2846626+2846629(Top 23%)5967(Top 37%)5967(Top 250%)
20K12.43 mi3.11 mi7231+2416441+1856441+1856677(Top 24%)5959(Top 37%)5959(Top 250%)
Half13.11 mi0.68 mi7223+86431+106431+107103(Top 25%)6280(Top 39%)6280(Top 263%)
25K15.53 mi2.42 mi6955+2686221+2106221+2105845(Top 21%)5271(Top 33%)5271(Top 221%)
30K18.64 mi3.11 mi6577+3785892+3295892+3295649(Top 20%)5052(Top 31%)5052(Top 212%)
20M20.00 mi1.36 mi6452+1255777+1155777+1155983(Top 21%)5185(Top 32%)5185(Top 217%)
21M21.00 mi1.00 mi6429+235739+385739+387396(Top 26%)5899(Top 37%)5899(Top 247%)
35K21.75 mi0.75 mi6425+45723+165723+167364(Top 26%)5898(Top 37%)5898(Top 247%)
23M23.00 mi1.25 mi6328+975626+975626+975965(Top 21%)4943(Top 31%)4943(Top 207%)
24M24.00 mi1.00 mi6287+415576+505576+506580(Top 23%)5274(Top 33%)5274(Top 221%)
40K24.85 mi0.85 mi6276+115548+285548+287265(Top 26%)5571(Top 35%)5571(Top 233%)
25.2M25.20 mi0.35 mi6303-275552-45552-49608(Top 34%)6727(Top 42%)6727(Top 282%)
Finish26.22 mi1.02 mi6374-715579-275579-2710561(Top 37%)7269(Top 45%)7269(Top 305%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6629

Males

5967

M45-49

5967

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8106

Males

7029

M45-49

7029

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6629

Males

5967

M45-49

5967

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6677

Males

5959

M45-49

5959

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7103

Males

6280

M45-49

6280

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5845

Males

5271

M45-49

5271

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5649

Males

5052

M45-49

5052

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5983

Males

5185

M45-49

5185

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7396

Males

5899

M45-49

5899

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7364

Males

5898

M45-49

5898

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5965

Males

4943

M45-49

4943

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6580

Males

5274

M45-49

5274

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7265

Males

5571

M45-49

5571

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9608

Males

6727

M45-49

6727

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10561

Males

7269

M45-49

7269

Passing Analysis

Category:
Athletes Passed
2119
Passed By
806
Net Change
+1313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7687
5K → 10K119323-204#7687#7891
10K → 15K43617+419#7891#7472
15K → 20K26625+241#7472#7231
20K → Half179+8#7231#7223
Half → 25K27911+268#7223#6955
25K → 30K40931+378#6955#6577
30K → 20M14722+125#6577#6452
20M → 21M7855+23#6452#6429
21M → 35K4945+4#6429#6425
35K → 23M12629+97#6425#6328
23M → 24M8039+41#6328#6287
24M → 40K5847+11#6287#6276
40K → 25.2M2249-27#6276#6303
25.2M → Finish33104-71#6303#6374
TOTALS2119806+1313
📊

Passing Visuals

Category:
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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