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BOSTON MARATHON 2025

Jeffrey Ahlman

Bib: 9224•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M40-44)
#0 / 2247
Top 38%
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
6:44/mi
20:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
41:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:42/mi
1:02:36
↑ 67↓ 78
20K· 12.43 mi
6:43/mi
1:23:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:37/mi
1:27:59
↑ 19↓ 370.5%
25K· 15.53 mi
6:46/mi
1:44:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:06:36
↑ 181↓ 1480.2%
20M
7:19/mi
2:16:32
↑ 64↓ 500.2%
21M
7:43/mi
2:24:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:29:38
↑ 17↓ 861.7%
23M
7:18/mi
2:38:46
↑ 23↓ 630.6%
24M
7:16/mi
2:46:02
↓ 821.3%
40K· 24.85 mi
7:10/mi
2:52:10
↓ 200.3%
25.2M
8:10/mi
2:54:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:02:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:59
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2320:546:4420:54
6:44
-
10K
6.21 mi11:07:1641:476:4320:53
6:43
-0:01
15K
9.32 mi11:28:051:02:366:4320:49
6:42
-0:01
20K
12.43 mi11:48:571:23:286:4320:52
6:43
+0:01
Half
13.11 mi11:53:281:27:596:434:31
6:37
-0:06
25K
15.53 mi12:09:521:44:236:4316:24
6:46
+0:09
30K
18.64 mi12:32:052:06:366:4722:13
7:09
+0:23
20M
20.00 mi12:42:012:16:326:509:56
7:19
+0:10
21M
21.00 mi12:49:442:24:156:527:43
7:43
+0:24
35K
21.75 mi12:55:072:29:386:535:23
7:12
-0:31
23M
23.00 mi13:04:152:38:466:549:08
7:18
+0:06
24M
24.00 mi13:11:312:46:026:557:16
7:16
-0:02
40K
24.85 mi13:17:392:52:106:566:08
7:10
-0:06
25.2M
25.20 mi13:20:282:54:596:572:49
8:10
+1:00
Finish
26.22 mi13:27:513:02:226:587:23
7:15
-0:55

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

6:37 /mi

Average Pace

6:58 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:23

57% of race

Time at Steady Pace

1:07:27

37% of race

Time at Slower Pace

10:32

6% of race

Average Pace: 6:57 /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 mi10:46:2320:546:4420:54
6:44
#5678
10K
6.21 mi11:07:1641:476:4320:53
6:43
#5605
15K
9.32 mi11:28:051:02:366:4320:49
6:42
#5400
20K
12.43 mi11:48:571:23:286:4320:52
6:43
#5132
Half
13.11 mi11:53:281:27:596:434:31
6:37
#5095
25K
15.53 mi12:09:521:44:236:4316:24
6:46
#4968
30K
18.64 mi12:32:052:06:366:4722:13
7:09
#5081
20M
20.00 mi12:42:012:16:326:509:56
7:19
#5155
21M
21.00 mi12:49:442:24:156:527:43
7:43
#5188
35K
21.75 mi12:55:072:29:386:535:23
7:12
#5230
23M
23.00 mi13:04:152:38:466:549:08
7:18
#5206
24M
24.00 mi13:11:312:46:026:557:16
7:16
#5218
40K
24.85 mi13:17:392:52:106:566:08
7:10
#5174
25.2M
25.20 mi13:20:282:54:596:572:49
8:10
#5171
Finish
26.22 mi13:27:513:02:226:587:23
7:15
#5187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5678524552455066(Top 18%)4701(Top 29%)4701(Top 209%)
10K6.21 mi3.10 mi5605+735179+665179+665522(Top 19%)5083(Top 32%)5083(Top 226%)
15K9.32 mi3.11 mi5400+2054997+1824997+1825066(Top 18%)4701(Top 29%)4701(Top 209%)
20K12.43 mi3.11 mi5132+2684761+2364761+2364581(Top 16%)4259(Top 26%)4259(Top 190%)
Half13.11 mi0.68 mi5095+374729+324729+324568(Top 16%)4261(Top 26%)4261(Top 190%)
25K15.53 mi2.42 mi4968+1274612+1174612+1174595(Top 16%)4240(Top 26%)4240(Top 189%)
30K18.64 mi3.11 mi5081-1134679-674679-675600(Top 20%)5012(Top 31%)5012(Top 223%)
20M20.00 mi1.36 mi5155-744738-594738-595826(Top 21%)5069(Top 31%)5069(Top 226%)
21M21.00 mi1.00 mi5188-334760-224760-225699(Top 20%)4859(Top 30%)4859(Top 216%)
35K21.75 mi0.75 mi5230-424788-284788-286519(Top 23%)5385(Top 33%)5385(Top 240%)
23M23.00 mi1.25 mi5206+244756+324756+325419(Top 19%)4608(Top 29%)4608(Top 205%)
24M24.00 mi1.00 mi5218-124753+34753+36195(Top 22%)5027(Top 31%)5027(Top 224%)
40K24.85 mi0.85 mi5174+444705+484705+484878(Top 17%)4122(Top 26%)4122(Top 183%)
25.2M25.20 mi0.35 mi5171+34701+44701+46777(Top 24%)5196(Top 32%)5196(Top 231%)
Finish26.22 mi1.02 mi5187-164703-24703-27311(Top 26%)5496(Top 34%)5496(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

5066

Males

4701

M40-44

4701

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5522

Males

5083

M40-44

5083

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

5066

Males

4701

M40-44

4701

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4581

Males

4259

M40-44

4259

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4568

Males

4261

M40-44

4261

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4595

Males

4240

M40-44

4240

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5600

Males

5012

M40-44

5012

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5826

Males

5069

M40-44

5069

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5699

Males

4859

M40-44

4859

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6519

Males

5385

M40-44

5385

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5419

Males

4608

M40-44

4608

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6195

Males

5027

M40-44

5027

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4878

Males

4122

M40-44

4122

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6777

Males

5196

M40-44

5196

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7311

Males

5496

M40-44

5496

Passing Analysis

Category:
Athletes Passed
1520
Passed By
1029
Net Change
+491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5678
5K → 10K220147+73#5678#5605
10K → 15K24540+205#5605#5400
15K → 20K29426+268#5400#5132
20K → Half458+37#5132#5095
Half → 25K16336+127#5095#4968
25K → 30K136249-113#4968#5081
30K → 20M45119-74#5081#5155
20M → 21M75108-33#5155#5188
21M → 35K3375-42#5188#5230
35K → 23M9369+24#5230#5206
23M → 24M5062-12#5206#5218
24M → 40K6723+44#5218#5174
40K → 25.2M1815+3#5174#5171
25.2M → Finish3652-16#5171#5187
TOTALS15201029+491
📊

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