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BOSTON MARATHON 2025

Andre Ahlers

Bib: 9235•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:37
Rank: #10158
Start → 5K
22:37 | 7:17/mi
10K· 6.21 mi
46:44
Rank: #12315 (-2157)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:11:14
Rank: #13248 (-933)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:36:46
Rank: #14138 (-890)
15K → 20K
25:32 | 8:13/mi
Half· 13.11 mi
1:42:13
Rank: #14222 (-84)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:02:27
Rank: #14566 (-344)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:29:55
Rank: #15072 (-506)
25K → 30K
27:28 | 8:50/mi
20M
2:41:45
Rank: #15041 (+31)
30K → 20M
11:50 | 8:42/mi
21M
2:51:08
Rank: #15024 (+17)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
2:58:29
Rank: #15347 (-323)
21M → 35K
7:21 | 9:49/mi
23M
3:09:38
Rank: #15343 (+4)
35K → 23M
11:09 | 8:54/mi
24M
3:18:34
Rank: #15420 (-77)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:26:07
Rank: #15393 (+27)
24M → 40K
7:33 | 8:50/mi
25.2M
3:29:23
Rank: #15370 (+23)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:38:01
Rank: #15382 (-12)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:55:48
Pace8:50 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3022:377:1722:37
7:17
-
10K
6.21 mi11:12:3746:447:3124:07
7:46
+0:29
15K
9.32 mi11:37:071:11:147:3924:30
7:53
+0:07
20K
12.43 mi12:02:391:36:467:4725:32
8:13
+0:20
Half
13.11 mi12:08:061:42:137:485:27
7:59
-0:14
25K
15.53 mi12:28:202:02:277:5320:14
8:21
+0:22
30K
18.64 mi12:55:482:29:558:0327:28
8:50
+0:29
20M
20.00 mi13:07:382:41:458:0511:50
8:42
-0:08
21M
21.00 mi13:17:012:51:088:099:23
9:23
+0:41
35K
21.75 mi13:24:222:58:298:127:21
9:49
+0:26
23M
23.00 mi13:35:313:09:388:1511:09
8:54
-0:55
24M
24.00 mi13:44:273:18:348:168:56
8:56
+0:02
40K
24.85 mi13:52:003:26:078:187:33
8:50
-0:06
25.2M
25.20 mi13:55:163:29:238:193:16
9:28
+0:38
Finish
26.22 mi14:03:543:38:018:198:38
8:28
-1:00

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

7:17 /mi

Average Pace

8:19 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:27

56% of race

Time at Steady Pace

1:15:34

35% of race

Time at Slower Pace

20:00

9% of race

Average Pace: 8:19 /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 mi10:48:3022:377:1722:37
7:17
#10158
10K
6.21 mi11:12:3746:447:3124:07
7:46
#12315
15K
9.32 mi11:37:071:11:147:3924:30
7:53
#13248
20K
12.43 mi12:02:391:36:467:4725:32
8:13
#14138
Half
13.11 mi12:08:061:42:137:485:27
7:59
#14222
25K
15.53 mi12:28:202:02:277:5320:14
8:21
#14566
30K
18.64 mi12:55:482:29:558:0327:28
8:50
#15072
20M
20.00 mi13:07:382:41:458:0511:50
8:42
#15041
21M
21.00 mi13:17:012:51:088:099:23
9:23
#15024
35K
21.75 mi13:24:222:58:298:127:21
9:49
#15347
23M
23.00 mi13:35:313:09:388:1511:09
8:54
#15343
24M
24.00 mi13:44:273:18:348:168:56
8:56
#15420
40K
24.85 mi13:52:003:26:078:187:33
8:50
#15393
25.2M
25.20 mi13:55:163:29:238:193:16
9:28
#15370
Finish
26.22 mi14:03:543:38:018:198:38
8:28
#15382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi101588265826515123(Top 53%)10424(Top 65%)10424(Top 464%)
10K6.21 mi3.10 mi12315-21579314-10499314-104914456(Top 51%)10195(Top 63%)10195(Top 454%)
15K9.32 mi3.11 mi13248-9339669-3559669-35515123(Top 53%)10424(Top 65%)10424(Top 464%)
20K12.43 mi3.11 mi14138-89010013-34410013-34416405(Top 58%)10915(Top 68%)10915(Top 486%)
Half13.11 mi0.68 mi14222-8410045-3210045-3215758(Top 55%)10676(Top 66%)10676(Top 475%)
25K15.53 mi2.42 mi14566-34410149-10410149-10416193(Top 57%)10722(Top 67%)10722(Top 477%)
30K18.64 mi3.11 mi15072-50610322-17310322-17316828(Top 59%)10840(Top 67%)10840(Top 482%)
20M20.00 mi1.36 mi15041+3110270+5210270+5215097(Top 53%)9961(Top 62%)9961(Top 443%)
21M21.00 mi1.00 mi15024+1710244+2610244+2615528(Top 55%)10018(Top 62%)10018(Top 446%)
35K21.75 mi0.75 mi15347-32310364-12010364-12021368(Top 75%)12601(Top 78%)12601(Top 561%)
23M23.00 mi1.25 mi15343+410324+4010324+4015691(Top 55%)9935(Top 62%)9935(Top 442%)
24M24.00 mi1.00 mi15420-7710325-110325-116992(Top 60%)10449(Top 65%)10449(Top 465%)
40K24.85 mi0.85 mi15393+2710289+3610289+3615339(Top 54%)9587(Top 60%)9587(Top 427%)
25.2M25.20 mi0.35 mi15370+2310266+2310266+2314406(Top 51%)9135(Top 57%)9135(Top 407%)
Finish26.22 mi1.02 mi15382-1210245+2110245+2116013(Top 56%)9945(Top 62%)9945(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15123

Males

10424

M40-44

10424

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14456

Males

10195

M40-44

10195

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15123

Males

10424

M40-44

10424

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16405

Males

10915

M40-44

10915

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15758

Males

10676

M40-44

10676

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16193

Males

10722

M40-44

10722

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16828

Males

10840

M40-44

10840

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15097

Males

9961

M40-44

9961

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15528

Males

10018

M40-44

10018

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21368

Males

12601

M40-44

12601

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15691

Males

9935

M40-44

9935

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16992

Males

10449

M40-44

10449

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15339

Males

9587

M40-44

9587

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14406

Males

9135

M40-44

9135

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

16013

Males

9945

M40-44

9945

Passing Analysis

Category:
Athletes Passed
937
Passed By
6160
Net Change
-5224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10158
5K → 10K72163-2157#10158#12315
10K → 15K35968-933#12315#13248
15K → 20K62952-890#13248#14138
20K → Half791-84#14138#14222
Half → 25K84428-344#14222#14566
25K → 30K123629-506#14566#15072
30K → 20M138107+31#15072#15041
20M → 21M125108+17#15041#15024
21M → 35K18341-323#15024#15347
35K → 23M112108+4#15347#15343
23M → 24M50127-77#15343#15420
24M → 40K8558+27#15420#15393
40K → 25.2M4017+23#15393#15370
25.2M → Finish5163-12#15370#15382
TOTALS9376160-5224
📊

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